SolarNuggets

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      <text bytes="65580" sha1="k99bxpu1oafupvi84z88ryn481ojaz0" xml:space="preserve">Welcome to the [[SolarNuggets]] collection, which extends the series of [[RHESSI]] Nuggets.  The following is a time-ordered list of the latest Nuggets added to the HelioWiki.  An [[:Category:Nugget|alphabetical list of the SolarNuggets]] is also available as well as [[:Category:RHESSI Nugget List|yearly lists]]. One can search on author, topic, IAU flare identifier, etc.). We welcome volunteer authors - please see our page of [[Help:For_Authors| help for authors]] or just send an email to the Curator at (hugh.hudson@glasgow.ac.uk).

{{Nugget Badge
|title = X-ray Log Letters‎‎
|number = 526
|first_author = Hugh HUDSON
|second_author = and Ed CLIVER
||publish_date = 18 May 2026
|description =  Replacing ABCMX with a new comprehensive and quantitative QSabcmxyz catalog
|image=Icon526.png}}
 

{{Nugget Badge
|title = How Extreme Can Solar Flares Get? A Statistical View‎‎
|number = 525
|first_author = Lapo Ceccarelli
|second_author = and Daniela CASTRO-CAMILO
||publish_date = 4 May 2026
|description =  A proper statistical treatment of the prospects for an extreme solar flare event
|image=Icon525.png}}

{{Nugget Badge
|title = Observations of Slow Elemental Abundance Decay in Association to CME
|number = 524
|first_author = Saara TAKALA
||publish_date = 27 April 2026
|description =  Soft X-ray spectroscopy tracks coronal abundance variations associated with a CME
|image=Icon524.png}}

{{Nugget Badge
|title = An Unusual Long-Lived Radio Burst Oscillating in Frequency
|number = 523
|first_author = Marian KARLICK&amp;Yacute;,
|second_author = Robert SYCH and Alena ZEMANOV&amp;Aacute;
||publish_date = 20 April 2026
|description =  Remarkable decimetric signatures of structured outflows from a flaring active region
|image=Icon523.png}}

{{Nugget Badge
|title = Lateral Deformation of Large-scale Coronal Mass Ejections during the Transition from Nonradial to Radial Propagation
|number = 522
|first_author = Huidong HU
||publish_date = 13 April 2026
|description =  Coronal mass ejections can begin their trajectory highly tilted to the vertical, but then straighten out
|image=Icon522.png}}

{{Nugget Badge
|title = Can EUV Power-Spectral Indices Reveal Imminent Solar Flares?
|number = 521
|first_author = Sihui ZHONG,
|second_author = Dmitrii KOLOTKOV and Valery M. NAKARIAKOV
||publish_date = 6 April 2026
|description =  A new flare-precursor observable - power spectra
|image=Icon521.png}}

{{Nugget Badge
|title = How energetic can solar flares become?
|number = 520
|first_author = Natalie KRIVOVA
||publish_date = 31 March 2026
|description =  The history of active-region areas suggests the possibility of solar superflares
|image=Icon520.png}}

{{Nugget Badge
|title = Hinode EIS Observations of Plasma Composition Evolution and Radiative Cooling of Flare Loops
|number = 519
|first_author = Teodora MIH&amp;#258;ILESCU,
|second_author = Peter YOUNG et AL.
||publish_date = 16 March 2026
|description =  Higher FIP bias than expected in some flare loops, a diagnostically interesting result
|image=Icon519.png}}

{{Nugget Badge
|title = When Magnetic Field Lines Stretch, Snap, and Expand: A New Look at Solar Flares with L-maps
|number = 518
|first_author = Maria KAZACHENKO,
|second_author = Yuhong FAN and Andrey AFANASYEV
||publish_date = 9 March 2026
|description =  A clever new tool tracks magnetic connectivity (and energy) during flare/CME occurrence 
|image=Icon518.png}}

{{Nugget Badge
|title = Observational Evidence Linking Loop Length and Thermal/Nonthermal Peak Timing in Solar Flares
|number = 517
|first_author = Solomon PERRIYIL
||publish_date = 23 February 2026
|description =  Clear evidence for the universality of the physics behind the Neupert Effect 
|image=Icon517.png}}

{{Nugget Badge
|title = A fine-scale bright kernel captured by Hi-C 3 in the post-maximum phase of an M-class solar flare
|number = 516
|first_author = Sanjiv TIWARI
||publish_date = 9 February 2026
|description =  The Hi-C rocket catches an extremely compact brightening in late-phase flare ribbon development 
|image=Icon516.png}}

{{Nugget Badge
|title = On the Relationship Between Nanoflare Energy and Delay in the Closed Solar Corona
|number = 515
|first_author = Shanwlee SOW MONDAL et al.
||publish_date = 19 January 2026
|description =  Nanoflaring implies energy storage and sudden release, suggesting correlation between event energy and its timing 
|image=Icon515.png}}

{{Nugget Badge
|title = Fine structures in solar flare ribbons
|number = 514
|first_author = Jonas THOEN FABER
||publish_date = 12 January 2026
|description =  Elongated "riblets" commonly rise out of flare ribbons, and have characteristic Doppler shifts 
|image=Icon514.png}}

{{Nugget Badge
|title = The M- and X-class White-light Flares in Super Active Region NOAA 13664/13697
|number = 513
|first_author = Zhichen JING
|second_author = and Ying LI
|publish_date = 5 January 2026
|description =  "Super" active regions have relatively more frequent X-class flares, which correlate well with visible continuum (white-light flare) emission 
|image=Icon513.png}}

{{Nugget Badge
|title = Iron Fluorescence in X-class Solar Flares
|number = 512
|first_author = Abhilash SARWADE
|publish_date = 8 December 2025
|description =  A new spectroscopic capability for Iron K-alpha fluorescence 
|image=Icon512.png}}

{{Nugget Badge
|title = Sun-as-a-star Analysis of a Solar Eruption Source Region Using H-alpha Spectroscopic Observations from CHASE
|number = 510
|first_author = Xiaofeng LIU 
|second_author = and Yijun HOU 
|publish_date = 24 November 2025
|description =  Sun-as-a-star observations help to translate solar/stellar processes
|image=Icon5010.png}}

{{Nugget Badge
|title = On the Origin of Solar Long-Duration Gamma-Ray Flares‎‎‎‎
|number = 509
|first_author = Alessandro BRUNO
|publish_date = 3 November 2025
|description =  Do we really need a CME to produce a long-duration solar gamma-ray event?
|image=Icon509.png}}

{{Nugget Badge
|title =  FAI and GOES eclipses‎‎
|number = 508
|first_author = Hugh HUDSON
|publish_date = 20 October 2025
|description =  Flare anticipation via FAI may have problems during GOES eclipses, which are really interesting in their own right
|image=Icon508.png}}

{{Nugget Badge
|title =  The EUV Late Phase‎  
|number = 507
|first_author = Sascha ORNIG
|publish_date = 13 October 2025
|description =  Basic comparative statistics of the ELP, a distinct flare phenomenon
|image=Icon507.png}}

{{Nugget Badge
|title = 	Time evolution of flare-accelerated electrons using the warm-target model‎  
|number = 506
|first_author = Debesh BHATTACHARJEE 
|publish_date = 6 October 2025
|description =  Considering a "warm" thick target allows flare-accelerated electrons to be treated self-consistently
|image=Icon506.png}}

{{Nugget Badge
|title = SOLSTICE observes flare Doppler shifts in Si III 
|number = 505
|first_author = Luke MAJURY
|publish_date = 30 September 2025
|description =  A rarely used database suggests prograde-flow Doppler shifts in flaring plasmas
|image=Icon505.png}}

{{Nugget Badge
|title = Flare Phases and the Earth's Ionospheric Response
|number = 504
|first_author = Susanna BEKKER
|publish_date = 16 September 2025
|description =  A flare's "EUV late phase" is surprisingly geoeffective
|image=Icon504.png}}

{{Nugget Badge
|title = Neupertianity
|number = 503
|first_author = Hugh HUDSON
|publish_date = 25 August 2025
|description =  It's hard to avoid the Neupert Effect
|image=Icon503.png}}

{{Nugget Badge
|title = Synchrotron Radiation and the Foundations for a Cosmic Bridge
|number = 502
|first_author = Immanuel JEBARAJ
|publish_date = 11 August 2025
|description =  Gyrosynchrotron radiation in shocks: a cosmic connection
|image=Icon502.png}}

{{Nugget Badge
|title = The Aulanier Effect: drifting footpoints of CME flux ropes
|number = 501
|first_author = Jaroslav DUD&amp;Iacute;K,
|second_author = Juraj L&amp;Ouml;RIN&amp;#268;&amp;Iacute;K and Brigitte SCHMIEDER
|publish_date = 21 July 2025
|description =  The breakthrough to 3D flare physics: the Aulanier Effect
|image=Icon501.png}}

{{Nugget Badge
|title = Five Hundred Nuggets
|number = 500
|first_author = Hugh HUDSON
|publish_date = 14 July 2025
|description =  A milestone 
|image=Icon169.png}}

{{Nugget Badge
|title = Quasiperiodic Pulsations in the Balmer Continuum in an X-class Solar White-light Flare
|number = 499
|first_author = De-Chao SONG et al.
|publish_date = 30 June 2025
|description =  QPP in the Balmer continuum: the powerful heartbeat of a flare
|image=Icon499.png}}

{{Nugget Badge
|title = High-Resolution Observations of a C3 class White-Light Flare
|number = 498
|first_author = Zhe XU and
|second_author = Xiaoli YAN
|publish_date = 16 June 2025
|description =  A compact white-light flare with vortical motions (and hard X-rays)
|image=Icon498.png}}

{{Nugget Badge
|title = The Sun's open-closed flux boundary and the origin of the slow solar wind
|number = 497
|first_author = Chloe WILKINS and
|second_author = David PONTIN
|publish_date = 26 May 2025
|description =  Identifying the solar sources of slow solar wind
|image=Icon497.png}}

{{Nugget Badge
|title = Delay of Near-Relativistic Electrons
|number = 496
|first_author = Grant MITCHELL
|publish_date = 19 May 2025
|description =  Parker Solar Probe solves an old mystery about type III bursts
|image=Icon496.png}}

{{Nugget Badge
|title = A Multi-Site Telescope for Multi-Height for Synoptic Observations
|number = 495
|first_author = Fallon KONOW
|publish_date = 11 May 2025
|description =  A new synoptic network for observations at multiple wavelengths
|image=Icon495.png}}

{{Nugget Badge
|title = On turbulent magnetic reconnection: fast and slow mean steady-states
|number = 494
|first_author = Sage STANISH
|second_author = and David MacTAGGART
|publish_date = 28 April 2025
|description =  In a turbulent medium, magnetic reconnection has two limiting domains
|image=Icon494.png}}

{{Nugget Badge
|title = Quasi-Periodic Pulsations in Ionospheric TEC and Flare EUV
|number = 493
|first_author = Aisling O'HARE
|publish_date = 21 April 2025
|description =  The Earth's ionosphere reflects QPPs, with a small delay
|image=Icon493.png}}

{{Nugget Badge
|title = Metis observations of Alfvenic outflows driven by interchange reconnection in a pseudostreamer
|number = 492
|first_author = Paolo ROMANO and the Metis team
|publish_date = 7 April 2025
|description =  Exactly as predicted by numerical simulations... a rare coup 
|image=Icon492.png}}

{{Nugget Badge
|title = Solar Rollercoaster: looping-the-loop in the solar corona
|number = 491
|first_author = Mohamed NEDAL et al.
|publish_date =  31 March 2025
|description =  Large-scale helical motion in the flare/CME SOL2024-05-14 
|image=Icon491.png}}

{{Nugget Badge
|title = Proton Beam Energy Deposition as a Mechanism of Deep Photospheric Heating
|number = 490
|first_author = Samuel GRANOVSKY
|second_author = and Alexander KOSOVICHEV
|publish_date =  17 March 2025
|description =  Evidence for proton beams in white-light flares
|image=Icon490.png}}

{{Nugget Badge
|title = New insights into the proton precipitation sites in solar flares
|number = 489
|first_author = Andrea Francesco BATTAGLIA
|second_author = and S&amp;auml;m KRUCKER
|publish_date =  17 February 2025
|description =  There is no detectable difference in proton and electron foopoint locations after all
|image=Icon489.png}}

{{Nugget Badge
|title = Solar Gamma-Ray Evidence for a Distinct Population of MeV Flare-Accelerated Electrons
|number = 488
|first_author = Gerry SHARE
|second_author = 
|publish_date =  10 February 2025
|description =  Relativistic electrons in solar flares newly recognized as a distinct process
|image=Icon488.png}}

{{Nugget Badge
|title = From Chromospheric Evaporation to Coronal Rain: An Investigation of the Mass and Energy Cycle of a Flare‎
|number = 487
|first_author = Seray &amp;Scedil;AHIN
|second_author = and Patrick ANTOLIN
|publish_date =  3 February 2025
|description =  A first quantitative comparison of flare evaporation and coronal rain
|image=Icon487.png}}

{{Nugget Badge
|title = Energetic neutral atoms detected in the large solar energetic particle event of February 2022‎
|number = 486
|first_author = Christina COHEN
|second_author = 
|publish_date =  20 January 2025
|description =  Only the second direct observation of high-energy neutral atoms from the Sun
|image=Icon486.png}}

{{Nugget Badge
|title = Magnetic topology of quiet-Sun Ellerman bombs and associated ultraviolet brightenings‎
|number = 485
|first_author = Aditi BHATNAGAR
|second_author = 
|publish_date =  6 January 2025
|description =  Tiny "Ellerman Bombs" occur all across the solar surface, with differences
|image=Icon485.png}}

{{Nugget Badge
|title = Unveiling CME Dynamics: Rare Rotations of CMEs in the Heliosphere
|number = 484
|first_author = Sandeep KUMAR and
|second_author = Nandita SRIVASTAVA
|publish_date =  30 December 2024
|description =  CMEs usually do not show additional rotation as they move though the heliosphere
|image=Icon484.png}}

{{Nugget Badge
|title = Spatial and Spectral Evolution of Microwave and X-Ray Sources During the Limb Flare SOL2023-02-05
|number = 483
|first_author = Yulia N. SHAMSUTDINOVA
|publish_date =  23 December 2024
|description =  Rare microwave imaging spectroscopy of a hot-onset precursor event
|image=Icon483.png}}

{{Nugget Badge
|title = High-resolution observational analysis of flare ribbon fine structures
|number = 482
|first_author = Jonas THOEN FABER
|publish_date =  16 December 2024
|description =  Spatially periodic fine structures in flare ribbons reveal current-sheet tearing
|image=Icon482.png}}

{{Nugget Badge
|title = Advection and super-diffusive expansion as the model of flare accelerated electron transport in type III solar radio bursts
|number = 481
|first_author = Eduard KONTAR
|publish_date =  9 December 2024
|description =  Sturrock's dilemma resolved
|image=Icon481.png}}

{{Nugget Badge
|title = Faraday's Law in Solar Flares: A Cautionary Message
|number = 480
|first_author = Michael FARADAY
|publish_date =  2 December 2024
|description =  We must not forget the global implications of Faraday's Law
|image=Icon480.png}}

{{Nugget Badge
|title = Remarkable NUV Spectrum of an M-star Megaflare
|number = 479
|first_author = Adam KOWALSKI
|publish_date =  25 November 2024
|description =  Remarkable NUV spectra from an HST stellar flare
|image=Icon479.png}}

{{Nugget Badge
|title = Revised Point-Spread Functions of AIA and their effect on DEM analyses
|number = 478
|first_author =Stefan HOFMEISTER,
|second_author = Daniel Wolf SAVIN, and Michael HAHN
|publish_date =  18 November 2024
|description =  Substantial revisions of the AIA point-response functions
|image=Icon478.png}}

{{Nugget Badge
|title = How much of the energy in flare-accelerated electrons reaches the chromosphere?
|number = 477
|first_author = Meriem ALAOUI
|second_author = and Gordon HOLMAN
|publish_date =  11 November 2024
|description =  Keeping flare-accelerated electrons out of the chromosphere
|image=Icon477.png}}

{{Nugget Badge
|title = Spatially resolved plasma composition evolution in a solar flare
|number = 476
|first_author = Andy S. H. TO
|publish_date =  4 November 2024
|description =  Reconnection outflow feeds abundance variations
|image=Icon476.png}}

{{Nugget Badge
|title = HOPE during high activity
|number = 475
|first_author = Hugh HUDSON
|second_author = and Alphonse STERLING
|publish_date =  28 October 2024
|description =  Hot onsets appear even in the most active solar conditions
|image=Icon475.png}}

{{Nugget Badge
|title = Simulated heliospheric electron spectra show sensitivity to plasma properties of a source region in the flaring corona 
|number = 474
|first_author = Ross PALLISTER
|second_author = and Natasha JEFFREY
|publish_date =  21 October 2024
|description =  Getting closer to an understanding of how solar energetic particles "escape"
|image=Icon474.png}}

{{Nugget Badge
|title = An extremely complex active region with very strong non-neutralized electric currents
|number = 473
|first_author = Ioannis KONTOGIANNIS
|publish_date =  14 October 2024
|description =  Large non-neutralized electric currents flow through the active-region corona
|image=Icon473.png}}

{{Nugget Badge
|title = An X9 flare and its huge crochet (SFE)
|number = 472
|first_author = Hugh HUDSON
|publish_date =  7 October 2024
|description =  The geomagnetic effect (SFE/crochet) that will calibrate the Carrington flare
|image=Icon472.png}}

{{Nugget Badge
|title = All microflares that accelerate electrons to high energies are rooted in sunspots
|number = 471
|first_author = Andrea Francesco BATTAGLIA
|publish_date =  30 September 2024
|description =  Microflares with hard X-ray spectra are a well-defined class, and invariably have one footpoint embedded in a sunspot 
|image=Icon471.png}}

{{Nugget Badge
|title =  The warm-target model and kappa distributions
|number = 470
|first_author = Yingjie LUO
|publish_date =  16 September 2024
|description =  A self-consistent treatment of non-thermal electron spectra points to kappa distributions
|image=Icon470.png}}

{{Nugget Badge
|title =  Is there HOPE for Hyder flares...
|number = 468
|first_author = Hugh HUDSON
|publish_date =  15 March 2024
|description =  Filament eruptions/Hyder flares/&lt;i&gt;disparitions brusques&lt;/i&gt; may all show HOPE 
|image=Icon468.png}}

{{Nugget Badge
|title =  Sun-as-a-star Analysis of the M8.7 Flare on 2022 October 2 Using H-alpha and EUV Spectra Taken by SMART/SDDI and SDO/EVE
|number = 467
|first_author = Takato OTSU 
|publish_date =  19 February 2024
|description =  Whole-Sun spectroscopic observations can readily detect ejecta 
|image=Icon467.png}}

{{Nugget Badge
|title =  Unexpected Asymmetry in GeV Emission
|number = 466
|first_author = Bruno ARSIOLI and Elena ORLANDO
|publish_date =  15 January 2024
|description =  The high-energy solar gamma radiation shows inexplicable but fascinating properties
|image=Icon466.png}}

{{Nugget Badge
|title =  When it rippled in one place and exploded in another
|number = 465
|first_author = Ivan ZIMOVETS
|publish_date =  25 December 2023
|description =  Pulsations precede a flare, but seem unrelated
|image=Icon465.png}}

{{Nugget Badge
|title =  Solar flares: evaporation and simulation‎
|number = 464
|first_author = Malcolm DRUETT
|publish_date =  18 December 2023
|description =  Fitting beam electrons into multi-dimensional models
|image=Icon464.png}}

{{Nugget Badge
|title =  Pre-impulsive and Impulsive Phases of the March 28, 2022 Sub-Terahertz Flare
|number = 463
|first_author = Galina G. MOTORINA
|publish_date =  11 December 2023
|description =  A flare with an increasing sub-THz spectrum and sub-THZ precursor information
|image=Icon463.png}}

{{Nugget Badge
|title =  Coronal Bright Points
|number = 462
|first_author = Daniel N&amp;Oacute;BREGA-SIVERIO
|publish_date =  27 November 2023
|description =  Bright EUV rowel-like structures can result from null-point reconnection
|image=Icon462.png}}

{{Nugget Badge
|title =  Aurora-like Radio Emission from a Sunspot
|number = 461
|first_author = Sijie YU
|publish_date =  20 November 2023
|description =  Maser action above a sunspot
|image=Icon461.png}}

{{Nugget Badge
|title =  Search for a Flare Anticipation Index (FAI) 
|number = 460
|first_author = Hugh HUDSON
|second_author = and Jim McTiernan
|publish_date =  13 November 2023
|description =  Quantifying flare precursors on a few-minute time scale
|image=Icon460.png}}

{{Nugget Badge
|title =  Bouncing motions of fast electrons using Nobeyama Radioheliograph 
|number = 459
|first_author = Keitarou MATSUMOTO
|publish_date =  6 November 2023
|description =  Solar evidence for conservation of second adiabatic invariant in particle motion
|image=Icon459.png}}

{{Nugget Badge
|title =  Impact of nanoflare heating in the lower solar atmosphere 
|number = 458
|first_author = Helle BAKKE
|publish_date =  30 October 2023
|description =  The behavior of nanoflare fast electrons in Bifrost models
|image=Icon458.png}}

{{Nugget Badge
|title =    Precise timing of flare footpoint sources from mid-infrared observations‎
|number = 457
|first_author = Paulo SIM&amp;Otilde;ES et al.
|publish_date =  23 October 2023
|description =  Mid-IR observations at high spatial and high temporal resolution: Conjugacy
|image=Icon457.png}}

{{Nugget Badge
|title =   The Greatest GOES Flares‎
|number = 456
|first_author = Hugh HUDSON
|second_author = and Ed CLIVER
|publish_date =  25 September 2023
|description =  The greatest GOES events, re-analyzed, fall short of expectations
|image=Icon456.png}}

{{Nugget Badge
|title =   Introducing SunSketcher
|number = 455
|first_author = Hugh HUDSON
|second_author = and Gordon EMSLIE
|publish_date =  11 September 2023
|description =  Galloping towards roundup in the 2024 total solar eclipse
|image=Icon455.png}}

{{Nugget Badge
|title =   TeV Gamma rays from the Quiescent Sun
|number = 454
|first_author = Mehr Un NISA
|second_author = and John BEACOM
|publish_date =  21 August 2023
|description =  Solar photons at unprecedented high energies
|image=Icon454.png}}

{{Nugget Badge
|title =   Temporal and Spatial Characteristics of Hard X-Ray Sources in Flare Model with Vertical Current Sheet
|number = 453
|first_author = Alexander SHABALIN, Eugenia OVCHINNIKOVA,
|second_author = and Yuri CHARIKOV
|publish_date =  7 August 2023
|description = Modeling betatron acceleration in current-sheet development.
|image=Icon453.png}}

{{Nugget Badge
|title =   Spatial Distribution of Magnetic Reconnection Rate in an M6.5 Solar Flare
|number = 452
|first_author = Ju JING
|publish_date =  12 June 2023
|description = Linking hard X-rays to high-resolution images that show reconnection rates.
|image=Icon452.png}}

{{Nugget Badge
|title =   Statistical study of Type III bursts and associated HXR emissions
|number = 451
|first_author = Nicole VILMER and Tomin JAMES
|publish_date =  29 May 2023
|description = Linking electron populations escaping from the Sun with those that RHESSI detects.
|image=Icon451.png}}

{{Nugget Badge
|title =   Solar flare hard X-rays from the anchor points of an eruptive filament 
|number = 450
|first_author = Muriel STIEFEL
|publish_date =  15 May 2023
|description = A rare "four-ribbon" flare has been detected in hard X-rays.
|image=Icon450.png}}

{{Nugget Badge
|title =   Did a Solar Flare Accelerate all the Ambient Electrons in the Coronal Acceleration Region?...
|number = 449
|first_author = Gordon EMSLIE, Eduard KONTAR,
|second_author = Galina MOTORINA, and Brian DENNIS
|publish_date =  1 May 2023
|description = Considering SOL2017-09-10, probably not.
|image=Icon449.png}}

{{Nugget Badge
|title =   Diagnostics of Spatially-Extended Turbulent Acceleration and Transport
|number = 448
|first_author = Morgan STORES
|publish_date =  24 April 2023
|description = Drilling down into the detailed structure of solar-flare energy release by including turbulence with particle acceleration.
|image=Icon448.png}}

{{Nugget Badge
|title =   RHESSI's Re-entry
|number = 447
|first_author = Pascal SAINT-HILAIRE and
|second_author = Hugh HUDSON
|publish_date =  17 April 2023
|description = The final demise of RHESSI is this week
|image=Icon447.png}}

{{Nugget Badge
|title =   A Glasgow geomagnetic observation of a solar flare
|number = 446
|first_author = Hugh HUDSON, John MALONE-LEIGH,
|second_author = Graham WOAN, and Chris OSBORNE 
|publish_date =  13 March 2023
|description = Irish and Scottish geomagnetic observatories see a crochet much like that of the Carrington event
|image=Icon_446.png}}

{{{Nugget Badge
|title =   Particle Acceleration in Two Coronal Jets
|number = 445
|first_author = Yixian ZHANG
|publish_date =  27 February 2023
|description = Coronal jets with hard X-ray sources at disjoint locations
|image=Icon445.png}}

{{Nugget Badge
|title =   The Curious First Sunquake of Solar Cycle 25‎
|number = 444
|first_author = Alexander KOSOVICHEV
|publish_date =  13 February 2023
|description = A double whammy: two distinct sunquakes from SOL2022-05-10.
|image=Icon444.png}}

{{Nugget Badge
|title =   Hard X-ray Pulsations via Gaussian Decomposition
|number = 443
|first_author = Hannah COLLIER and Laura HAYES
|publish_date =  30 January 2023
|description = Flare hard X-ray time variations decomposed objectively
|image=Icon443.png}}

{{Nugget Badge
|title =   A possible coronal magnetic flare precursor
|number = 442
|first_author = Enrico LANDI
|publish_date =  16 January 2023
|description = Novel measurements of the coronal magnetic field may help with flare prediction
|image=Icon442.png}}

{{Nugget Badge
|title =   A slow HOPE with microwave context
|number = 441
|first_author = Hugh HUDSON
|publish_date =  12 December 2022
|description = A new microwave facility at Chashan Observatory, and a prototypical HOPE
|image=Icon441.png}}

{{Nugget Badge
|title =    Rapid variations of Si IV spectra in a flare observed by IRIS at a sub-second cadence
|number = 440
|first_author = Juraj L&amp;Ouml;RIN&amp;#268;&amp;Iacute;K
|publish_date =  14 November 2022
|description = Transition-region lines in a flare have a Doppler component revealing quasi-periodic pulsations
|image=Icon440.png}}

{{Nugget Badge
|title =    A Significant Sudden Ionospheric Disturbance Associated with a Massive Gamma-ray Burst
|number = 439
|first_author = Laura HAYES and Peter GALLAGHER
|publish_date =  31 October 2022
|description = A first SID observed in broad daylight, from a source far far away
|image=Icon439.png}}

{{Nugget Badge
|title =    Effects of Coronal Structures on the Dynamics of the Global Coronal Wave of SOL2017-09-10‎
|number = 438
|first_author = Huidong HU, Ying D. LIU, and Bei ZHU
|publish_date =  17 October 2022
|description = The amazing global coronal wave of SOL2017-09-10 wrapped around the whole Sun, and displayed transmission and reflection at both polar coronal holes
|image=Icon438.png}}

{{Nugget Badge
|title =    KW-Sun: The Konus-Wind Solar Flare Database in Hard X-Ray and Soft Gamma-Ray Ranges
|number = 437
|first_author = Alexandra LYSENKO
|publish_date =  26 September 2022
|description = An unrivaled hard X-ray and gamma-ray database is entering its third activity maximum
|image=Icon437.png}}

{{Nugget Badge
|title =    First Detection of Kink Oscillations with Solar Orbiter
|number = 436
|first_author = Sihui ZHONG et al.
|publish_date =  19 September 2022
|description =  SolO sees coronal oscillations as well as AIA can, and even better
|image=Icon436.png}}

{{Nugget Badge
|title =    Energetic Neutral Hydrogen from Large Solar Flares
|number = 435
|first_author = Glenn MASON
|publish_date =  6 September 2022
|description =  A rediscovered data treasury reveals the occurrence of many flare/CME events producing solar high-energy neutral atoms
|image=Icon435.png}}

{{Nugget Badge
|title =   Fifty-year Anniversary of the First Detection of Gamma rays from a Solar Flare
|number = 434
|first_author = Jim Ryan,
|second_author = Brian Dennis, and Phil Dunphy
|publish_date =  8 August 2022
|description =  The rich astrophysics of gamma-ray astronomy began with solar observations fifty years ago
|image=Icon434.png}}

{{Nugget Badge
|title =   Fast Prograde Flows in Solar Active Regions
|number = 433
|first_author = Hugh HUDSON
 |publish_date =  25 July 2022
|description =  Unexpected, unpredicted, and not modeled yet - weird flows in hot active-region loops
|image=Icon433.png}}

{{Nugget Badge
|title =   Undetected Minority-polarity Flux, Moss, and Coronal Heating
|number = 432
|first_author = Yi-Ming WANG
 |publish_date =  11 July 2022
|description =  There's plenty of room in "unipolar" active regions for both polarities, and there is good evidence for them
|image=Icon432.png}}

{{Nugget Badge
|title =   Thermal/Nonthermal with MinXSS and RHESSI
|number = 431
|first_author = Shunsaku NAGASAWA
|publish_date =  13 June 2022
|description =  Time-domain studies of improved X-ray spectra reveal a "super-hot' component
|image=Icon431.png}}

{{Nugget Badge
|title =   Sun-as-a-star spectroscopic observations of the line-of-sight velocity of a solar eruption on October 28, 2021
|number = 430
|first_author = Yu XU
|second_author = and Hui TIAN
|publish_date =  30 May 2022
|description =  The observation of the full 3d velocity of a CME, for an anniversary event
|image=Icon430.png}}

{{Nugget Badge
|title =   Carl Størmer
|number = 429
|first_author = Hugh HUDSON
|second_author = and Lyndsay FLETCHER
|publish_date =  15 April 2022
|description =  Størmer and the theory of trapping in loops
|image=Icon429.png}}

{{Nugget Badge
|title =   Solar Hard X-rays with Insight
|number = 428
|first_author = Wei WANG
|second_author = and Ping ZHANG
|publish_date =  21 March 2022
|description =  A spectacular limb flare introduces Insight/HXMT, a new observational resource
|image=Icon428.png}}

{{Nugget Badge
|title =   Probing chromospheric current sheets using SST and ALMA co-observations
|number = 427
|first_author = Jo&amp;atilde;o da SILVA SANTOS
|publish_date =  21 February 2022
|description =  Emerging magnetic flux appears in ALMA images reflecting coronal current sheets
|image=Icon427.png}}

{{Nugget Badge
|title =   A demonstration of STIX hard X-ray imaging spectroscopy capabilities for an X-class flare (SOL2021-10-28)
|number = 426
|first_author = Andrea BATTAGLIA, Hannah COLLIER,
|second_author = and S&amp;auml;m KRUCKER
|publish_date =  7 February 2022
|description =  STIX imaging of an X-class flare marks its success
|image=Icon426.png}}

{{Nugget Badge
|title =   A solar flare driven by thermal conduction observed in mid-infrared
|number = 425
|first_author = Guillermo GIM&amp;Eacute;NEZ de CASTRO
|publish_date =  24 January 2022
|description =  Strong 10-micron emission from a GOES C2 flare suggests conductive heating
|image=Icon425.png}}

{{Nugget Badge
|title =   Disk Occultation of a Lopsided Sun‎
|number = 424
|first_author = Hugh HUDSON,
|second_author = Stephen WHITE and S&amp;auml;m KRUCKER
|publish_date =  10 January 2022
|description =  Observing a spotless Sun can enable observations of the faint corona.
|image=Icon424.png}}

{{Nugget Badge
|title =   Resolving two distinct thermal X-ray components in a compound solar flare
|number = 423
|first_author = Zhenjun ZHOU
|second_author = and Rui LIU
|publish_date =  28 December 2021
|description =  Superhot coronal sources may be independent loop systems
|image=Icon423.png}}

{{Nugget Badge
|title =   Bridging solar flares to coronal mass ejections
|number = 422
|first_author = Markus ASCHWANDEN
|publish_date =  14 December 2021
|description =  The Neupert effect allows us to trace coronal mass ejections seamlessly
|image=Icon422.png}}

{{Nugget Badge
|title =   The Jakimiec Diagnostic Diagram
|number = 421
|first_author = Hugh HUDSON
|publish_date =  29 November 2021
|description =  The joint variation of GOES temperature and emission measure discloses new features via an old tool
|image=Icon421.png}}

{{Nugget Badge
|title =   First look at ALMA/HInode/IRIS microflares
|number = 420
|first_author = Toshifumi SHIMIZU
|second_author = et al.
|publish_date =  8 November 2021
|description =  High-resolution ALMA and multiwavelength observations of microflaring
|image=Icon420.png}}

{{Nugget Badge
|title =   Thomson scattering near sunspots
|number = 419
|first_author = Pascal Saint-Hilaire
|second_author = et al.
|publish_date =  25 October 2021
|description =  Completing the modeling of low-coronal Thomson polarimetry
|image=Icon419.png}}

{{Nugget Badge
|title =   A Non-PFSS Global Coronal Model
|number = 418
|first_author = Oliver RICE
|second_author = and Anthony YEATES
|publish_date =  11 October 2021
|description =  Modeling as convenient as PFSS but much more realistic
|image=Icon418.png}}

{{Nugget Badge
|title =   Manifold Nonthermality
|number = 417
|first_author = Marina BATTAGLIA
|second_author = et al.
|publish_date =  27 September 2021
|description =  Even weak flares involve multiple sites of non thermal activity
|image=Icon417.png}}

{{Nugget Badge
|title =   X-Rays from a Type I Radio Burst
|number = 416
|first_author = R.  RAMESH
|publish_date =  20 September 2021
|description =  A first identification of type I radio emission with hot plasma
|image=Icon416.png}}

{{Nugget Badge
|title =   Do Hot Onsets Predict Flare Magnitudes?
|number = 415
|first_author = Hugh HUDSON
|publish_date =  30 August 2021
|description =  Maybe we can tell how big a flare is going to be from its initial development...
|image=Icon415.png}}

{{Nugget Badge
|title =   Confined or Eruptive?
|number = 414
|first_author = Ting LI et al.
|publish_date =  16 August 2021
|description =  Increased magnetic flux reduces CME eruptivity
|image=Icon414.png}}

{{Nugget Badge
|title =   Impulsive and Gradual Eruptive Gamma Flares and Associated CMEs
|number = 413
|first_author = Alexey STRUMINSKY,
|second_author = Irina GRIGORIEVA and Andrei SADOVSKI
|publish_date =  19 July 2021
|description =  Extreme behavior of flare/CME events explained by environment
|image=Icon373.png}}

{{Nugget Badge
|title =   The Morphology of Flare Time Profiles
|number = 412
|first_author = Larisa KASHAPOVA 
|second_author = et al.
|publish_date =  12 July 2021
|description =  Systematic comparison of solar and stellar flaring time profiles
|image=Icon412.png}}

{{Nugget Badge
|title =   Flare Pulsation and the Heliosphere
|number = 411
|first_author = Brendan CLARKE
|second_author = et al.
|publish_date =  5 July 2021
|description =  Flare pulsations link closely to the distant heliosphere
|image=Icon411.png}}

{{Nugget Badge
|title =   STIX, the Hard X-Ray Telescope on board Solar Orbiter
|number = 410
|first_author = Andrea Francesco BATTAGLIA
|second_author = and S&amp;auml;m KRUCKER
|publish_date =  28 June 2021
|description =  STIX is operational and producing great data
|image=Icon410.png}}

{{Nugget Badge
|title =   Nonequilibrium Ionization of Flare Plasma Observed by Hinode/EIS
|number = 409
|first_author = Shinsuke IMADA
|second_author = 
|publish_date =  14 June 2021
|description =  Evidence for non-equilibrium ionization in the current sheet of SOL2017-09-10
|image=Icon409.png}}

{{Nugget Badge
|title =   Effects of Flares on Solar p-modes
|number = 408
|first_author = Maria-Cristina RABELLO SOARES
|second_author = and Frederic BAUDIN
|publish_date =  26 April 2021
|description =  No detectable p-mode amplitude changes due to solar flares
|image=Icon408.png}}

{{Nugget Badge
|title =   Subsecond Spikes in Solar Flare X-ray Flux as Seen by Fermi GBM
|number = 407
|first_author =Trevor KNUTH 
|second_author = and Lindsay GLESENER
|publish_date =  19 April 2021
|description =  A new analysis technique pushes hard X-ray time scales to 0.1 sec or faster
|image=Icon407.png}}

{{Nugget Badge
|title =  Negative He 10830 Flare Ribbons and Non-thermal Electrons
|number = 406
|first_author = Graham KERR 
|second_author = 
|publish_date =  12 April 2021
|description =  A 1D radiation hydrodynamics model can explain the dark leading edges of He I flare ribbons
|image=Icon406.png}}

{{Nugget Badge
|title =  Tracing the sources of gradual solar energetic particle events
|number = 405
|first_author = David H. BROOKS 
|second_author = and Stephanie L. YARDLEY
|publish_date =  29 March 2021
|description =  Chemical abundances in SEPs suggest an origin in flare-related moss regions
|image=Icon405.png}}

{{Nugget Badge
|title =  The Superflare SOL2017-09-06: from submm to mid-IR
|number = 404
|first_author = Guillermo (Guigue) GIM&amp;Eacute;NEZ DE CASTRO
|second_author = 
|publish_date =  15 March 2021
|description =  Glimpsing the "missing decades" of the flare emission spectrum
|image=Icon404.png}}

{{Nugget Badge
|title =  The Neupert Effect Revisited
|number = 403
|first_author = Jiong QIU
|second_author = 
|publish_date =  8 March 2021
|description =  Two time scales for heating individual flare strands
|image=Icon403.png}}

{{Nugget Badge
|title =  FLUKA as a tool for interpreting flare gamma-rays
|number = 402
|first_author = Alec MACKINNON
|second_author = 
|publish_date =  1 March 2021
|description =  The nuclear physics of solar flares captured in a detailed model
|image=Icon402.png}}

{{Nugget Badge
|title =  A Collective Study of 11 NuSTAR Microflares
|number = 401
|first_author = Jessie DUNCAN and
|second_author = Lindsay GLESENER
|publish_date =  22 February 2021
|description =  Swarms of NuSTAR micro flares
|image=Icon401.png}}

{{{{Nugget Badge
|title =  A Solar FRB
|number = 400
|first_author = Dale GARY and
|second_author = Hugh HUDSON
|publish_date =  15 February 2021
|description =  A new frontier in the solar time domain
|image=Icon400.png}}

{{Nugget Badge
|title =  Richard Schwartz
|number = 399
|first_author = Brian DENNIS and
|second_author = Hugh HUDSON
|publish_date =  25 January 2021
|description =  Remembering a friend and colleague
|image=Icon399.jpg}}

{{Nugget Badge
|title =  Observing Solar Flare X-ray Polarization with Prospective CubeSat Missions
|number = 398
|first_author = Natasha JEFFREY 
|publish_date =  4 January 2021
|description =  The polarization of the solar X-ray spectrum generally remains to be observed
|image=Icon398.png}}

{{Nugget Badge
|title =  Solar effects in the local interstellar medium
|number = 397
|first_author = Don GURNETT and
|second_author = Hugh HUDSON
|publish_date =  14 December 2020
|description =  Relativistic particle events observed _in situ_ in the interstellar medium
|image=Icon397.png}}

{{Nugget Badge
|title =  Investigation of Small-Scale Energy Releases in Hard X-rays with ​FOXSI
|number = 396
|first_author = Subramania ATHIRAY and
|second_author = Juliana VIEVERING
|publish_date =  7 December 2020
|description =  Hard X-rays and high temperatures from the feeblest microflares
|image=Icon396.png}}

{{Nugget Badge
|title =  What drives impulsive coronal heating?
|number = 395
|first_author = Pradeep CHITTA
|second_author = et al.
|publish_date =  30 November 2020
|description =  Impulsive footpoint emissions suggest magnetic reconnection in the chromosphere
|image=Icon395.png}}

{{Nugget Badge
|title =  Probing the solar coronal heating function with slow magnetoacoustic waves
|number = 394
|first_author = Dmitrii KOLOTKOV
|second_author = et al.
|publish_date =  16 November 2020
|description =  Coronal heating models meet damped slow magnetoacoustic waves
|image=Icon394.png}}

{{Nugget Badge
|title =  Self-Consistent Flare Model
|number = 393
|first_author = Wenzhi RUAN
|second_author = and Rony KEPPENS
|publish_date =  2 November 2020
|description =  Energy transport by fast particles made self-consistent with MHD flare modeling
|image=Icon393.png}}

{{Nugget Badge
|title =  Hot Flare Onsets
|number = 392
|first_author = Hugh HUDSON
|second_author = et al.
|publish_date =  26 October 2020
|description =  The initial soft X-ray temperatures of solar flares tend to be in the 10-15 MK range
|image=Icon392.png}}

{{Nugget Badge
|title =  Electric Current Neutralization and Eruption
|number = 391
|first_author = Ellis AVALLONE
|second_author = and Xudong SUN
|publish_date =  19 October 2020
|description =  Coronal currents without neutralizing return currents appear to 
|image=Icon391.png}}

{{Nugget Badge
|title =  Prediction of Solar Cycle 25
|number = 390
|first_author = Leif SVALGAARD
|second_author = 
|publish_date =  5 October 2020
|description =  Now we know how big the next solar maximum will be
|image=Icon390.png}}

{{Nugget Badge
|title =   Flare/CME Cartoon Archive
|number = 389
|first_author = Hugh HUDSON
|second_author = 
|publish_date =  27 September 2020
|description =  A new edition of the Flare/CME archive, nearly a half kilotoon now
|image=Icon389.png}}

{{Nugget Badge
|title =   Submerged Flare Acoustic Sources
|number = 388
|first_author = Juan Camilo BUITRAGO CASAS
|second_author = and Angel MART&amp;Iacute;NEZ
|publish_date =  13 September 2020
|description =  Flare acoustic radiation emanates from a source _inside_ the Sun
|image=Icon388.png}}

{{Nugget Badge
|title =   Circular Ribbon Flare at Microwaves
|number = 387
|first_author = Jeongwoo LEE
|second_author = 
|publish_date =  31 August 2020
|description =  Breakout reconnection reveals itself via microwave polarization measurements.
|image=Icon387.png}}

{{Nugget Badge
|title =   Relation of Non-neutralized electric currents and the activity in active regions
|number = 386
|first_author = P. VEMAREDDY
|second_author = 
|publish_date =  24 August 2020
|description =  Non-neutralized coronal current systems contribute to CME eruptions
|image=Icon386.png}}

{{Nugget Badge
|title =   White-light emission and photospheric magnetic field changes in flares
|number = 385
|first_author = J. Sebasti&amp;aacute;n CASTELLANOS DUR&amp;Aacute;N 
|second_author = and Lucia KLEINT
|publish_date =  17 August 2020
|description =  There are strong correlations between white-light flare emissions and line-of-sight magnetic field changes
|image=Icon385.png}}

{{Nugget Badge
|title =   Sunspot Differential Rotation in an X-class Flare
|number = 384
|first_author = Richard GRIMES,
|second_author = Bal&amp;aacute;zs PINT&amp;Eacute;R and Huw MORGAN
|publish_date =  10 August 2020
|description =  Observations suggesting how the coronal tail can wag the photospheric dog
|image=Icon384.png}}

{{Nugget Badge
|title =   Energy Partitioning in a Nonthermally Dominated Two-loop Solar Flare
|number = 383
|first_author = Galina MOTORINA
|second_author = et al.
|publish_date =  3 August 2020
|description =  Modeling the propagation of energy via GX Simulator in an early-impulsive flare
|image=Icon383.png}}

{{Nugget Badge
|title =   SOL2013-11-10 Eruptive Circular-ribbon Flare with Extended Remote Brightenings
|number = 382
|first_author = Chang LIU
|second_author = et al.
|publish_date =  31 July 2020
|description = A circular-ribbon event can launch an eruption by breaking through its separatrix dome
|image=Icon382.png}}

{{Nugget Badge
|title =   Extreme-Ultraviolet Late Phase of Solar Flares
|number = 381
|first_author = Rui LIU
|second_author =
|publish_date =  22 June 2020
|description = Both arcade and circular-ribbon flares may sometimes spawn EUV late phase emission
|image=Icon381.png}}

{{Nugget Badge
|title =   Energy transport by accelerated particles in the quiet solar atmosphere
|number = 380
|first_author = Lars FROGNER,
|second_author = Boris GUDIKSEN and Helle BAKKE
|publish_date = 15 June 2020
|description = A first study of non-thermal particles integrated into an MHD simulation of the solar atmosphere
|image=Icon380.png}}

{{Nugget Badge
|title =   Quasi-periodic pulsations as indicators of oscillatory processes in solar flares
|number = 379
|first_author = Elena KUPRIYANOVA
|second_author = et al.
|publish_date = 11 May 2020
|description = Many, many QPPs
|image=Icon379.png}}

{{Nugget Badge
|title =   Rejuvenating Solar Flare Termination Shocks as Particle Accelerators
|number = 378
|first_author = Bin CHEN
|second_author = 
|publish_date = 4 May 2020
|description = At  last, clear evidence for a long-predicted phenomenon
|image=Icon378.png}}

{{Nugget Badge
|title =   Broad symmetrical Doppler-shifted Fe XXI line profiles
|number = 377
|first_author = Vanessa POLITO
|second_author = 
|publish_date = 20 April 2020
|description = It is difficult to explain "evaporation" line profiles by superposition of unresolved flows
|image=Icon377.png}}

{{Nugget Badge
|title =   Phenomena in the unusually long pre-impulsive phase of SOL2011-06-07
|number = 376
|first_author = Marian KARLICK&amp;Yacute;,
|second_author = Jana KA&amp;Scaron;PAROV&amp;Aacute;, and Robert SYCH
|publish_date = 13 April 2020
|description = A massive and slowly-rising filament eruption reveals important new signatures of the physics
|image=Icon376.png}}

{{Nugget Badge
|title =    Evidence for a Coronal Shock Wave Origin for Relativistic Protons Producing Solar Gamma-Rays and Observed by Neutron Monitors at Earth‎
|number = 375
|first_author = Athanasios KOULOUMVAKOS
|second_author = and Gerry SHARE
|publish_date = 6 April 2020
|description = Successful modeling of prolonged solar gamma-ray emissions and terrestrial ground-level cosmic-ray events
|image=Icon375.png}}

{{Nugget Badge
|title =   Using overlappogram data to find hot flare plasma
|number = 374
|first_author = Louise HARRA
| 
|publish_date = 23 March 2020
|description = Imaging Fe XXIV at high resolution with the EIS slot data
|image=Icon374.png}}

{{Nugget Badge
|title =   SOL2017-09-04 (M5.5) 2017 as a Source of Relativistic Electrons and Protons
|number = 373
|first_author = Alexei STRUMINSKII
| (see text)
|publish_date = 16 March 2020
|description =  Flare-accelerated particles, rather than SEPs, energize sustained gamma-ray emission
|image=Icon373.png}}

{{Nugget Badge
|title =   Heating of the solar photosphere during a white-light flare‎
|number = 372
|first_author = Jan JURČÁK
| (see text)
|publish_date = 2 March 2020
|description =  The best-ever spectrum of the flare photosphere
|image=Icon372.png}}

{{Nugget Badge
|title =   A Hot Cusp-Shaped Confined Solar Flare
|number = 371
|first_author = Aaron HERNANDEZ-PEREZ
|publish_date = 24 February 2020
|description =  A flare may have a prominent hot cusp with the help of any eruption
|image=Icon371.png}}

{{Nugget Badge
|title =   The Temporal and Spatial Extension of Gamma-ray Emission from the Sun
|number = 370
|first_author = Nat GOPALSWAMY
|publish_date = 17 February 2020
|description =  Sustained solar &amp;gamma;-rays and solar cosmic rays
|image=Icon370.ng.png}}

{{Nugget Badge
|title =   A PSP Perihelion
|number = 369
|first_author = Jessie DUNCAN
|second_author = and Hugh Hudson
|publish_date = 20 January 2020
|description =  The Parker Solar Probe enters its fourth perihelion already. Now
|image=Icon369.png}}

{{Nugget Badge
|title =   Remembering John Brown
|number = 368
|first_author = Alec MacKINNON
|second_author = 
|publish_date = 13 January 2020
|description =  John passed away unexpectedly on 16 November 2019
|image=Icon368.png}}

{{Nugget Badge
|title =   A Global Survey of EUV Coronal Power Spectra
|number = 367
|first_author = Karl Battams
|second_author = 
|publish_date = 30 December 2019
|description =  Time-series parameter maps of imaged power spectra from an AIA pipeline
|image=Icon367.png}}

{{Nugget Badge
|title =   Cosmic Rays over the Rainbow Bridge 
|number = 366
|first_author = Hugh Hudson
|second_author = Alec MacKinnon
|publish_date = 16 December 2019
|description =  Cosmic rays approach the Sun
|image=Icon366.png}}

{{Nugget Badge
|title =   Spectropolarimetric Insight into Plasma-Sheet Dynamics of a Solar Flare
|number = 365
|first_author = Ryan French
|second_author = 
|publish_date = 9 December 2019
|description =  CoMP polarization patterns in SOL2017-09-10 are amazing
|image=Icon365.png}}

{{Nugget Badge
|title =   Lorentz Force Evolution Reveals the Energy Build-up Processes during Recurrent Eruptive Solar Flares‎
|number = 364
|first_author = Ranadeep Sarkar,
|second_author = Nandita Srivastava and Astrid Veronig
|publish_date = 18 November  2019
|description =  The net Lorentz force clearly exhibits a build-up and release pattern
|image=Icon364.png}}

{{Nugget Badge
|title =   Flare waiting times depend on their magnitudes
|number = 363
|first_author = Hugh Hudson
|second_author = 
|publish_date = 11 November  2019
|description =  Surprising new evidence for the flare build-up and release process
|image=Icon363.png}}

{{Nugget Badge
|title =   Can magnetic reconnection cause solar rainstorms?‎
|number = 362
|first_author = Petra Kohutova 
|second_author = 
|publish_date = 4 November  2019
|description =  Impulsive coronal heating resulting from reconnection can trigger coronal rain
|image=Icon362.png}}

{{Nugget Badge
|title =  Non-radial jets on the edges of active regions
|number = 361
|first_author = Peter Wyper 
|second_author = 
|publish_date = 14 October 2019
|description =  The very common jet structures we see can naturally combine twist and breakout
|image=Icon361.png}}

{{Nugget Badge
|title =  Searching SOLfully within the Nuggets
|number = 360
|first_author = Hugh Hudson 
|second_author = 
|publish_date = 7 October 2019
|description =  The IAU target identifier works well for finding items about a particular event
|image=Icon360.png}}

{{Nugget Badge
|title =  Submillimeter Radiation as the Thermal Component of the Neupert Effect
|number = 359
|first_author = Guillermo Gim&amp;eacute;nez de Castro 
|second_author = 
|publish_date = 31 September 2019
|description =  Flare radiation at the highest frequencies can be bremsstrahlung
|image=Icon359.png}}

{{Nugget Badge
|title =  The "Last Best" Flares
|number = 358
|first_author = Hugh Hudson,
|second_author = Ed Cliver, and Brian Dennis
|publish_date = 24 September 2019
|description =  Major flares tend to happen at the very ends of sunspot cycles
|image=Icon358.png}}

{{Nugget Badge
|title =  Dynamic Processes of the Moreton Wave on 2014 March 29‎
|number = 357
|first_author = Denis Cabezas 
|second_author = and the FMT team
|publish_date = 16 September 2019
|description =  A beautiful Moreton wave excited by the best-observed flare ever
|image=Icon357.png}}

{{Nugget Badge
|title =  EVE-RHESSI DEM Models and the Low-energy Cutoff for Nonthermal Electrons
|number = 356
|first_author = Jim McTiernan
|second_author = 
|publish_date = 9 September 2019
|description =  Characterizing flare temperature distributions helps to define the non-thermal energy release
|image=Icon356.png}}

{{Nugget Badge
|title =  Stealth Coronal Mass Ejections from Active Regions
|number = 355
|first_author = Jennifer O'Kane
|second_author = 
|publish_date = 26 August 2019
|description =  Perhaps just feeble versions of the same magnetic disease...
|image=Icon355.png}}

{{Nugget Badge
|title =  Do Kepler Superflare Stars Really Include Slowly Rotating Sun-like Stars?‎
|number = 354
|first_author = Yuta NOTSU
|second_author = 
|publish_date = 15 July 2019
|description =  Kepler superflares hint at solar superflares
|image=Icon354.png}}

{{Nugget Badge
|title =  Localized Microwave and EUV Bright Structures in an Eruptive Prominence
|number = 353
|first_author = Jing HUANG
|second_author = 
|publish_date = 22 June 2019
|description =  Detailed correlations between EUV and microwaves in prominence fine structures 
|image=Icon353.png}}

{{Nugget Badge
|title =   Broken-up hard X-ray spectra found for a loop-top source during a solar limb flare
|number = 352
|first_author = Hao NING,
|second_author = Yao CHEN and Jeongwoo LEE
|publish_date = 16 June 2019
|description =  SOL2017-09-10 coronal hard X-ray sources
|image=Icon352.png}}

{{Nugget Badge
|title =   The Cosmic-Ray Shadow and Coronal Magnetism
|number = 351
|first_author = Frederik Tenholt
|second_author = 
|publish_date = 27 May 2019
|description =  The coronal magnetic field measured in Antarctica
|image=Icon351.png}}

{{Nugget Badge
|title =   Kristian Birkeland
|number = 350
|first_author = Hugh HUDSON
|second_author = and  Lyndsay FLETCHER
|publish_date = 6 May 2019
|description =  Space weather a century ago: Kristian Birkeland
|image=Icon350.png}}

{{Nugget Badge
|title =   Warm UV loops heated by small-scale cancellation events
|number = 349
|first_author = Seray ŞAHIN
|second_author = and  Vasyl YURCHYSHYN
|publish_date = 22 April 2019
|description =  Precisely locating the footpoints of warm coronal loops helps identify their source(s) of excitation
|image=Icon349.png}}

{{Nugget Badge
|title =   Multiple Regions of Shock-accelerated Particles during a Solar Coronal Mass Ejection
|number = 348
|first_author = Diana MOROSAN
|second_author =  
|publish_date = 1 April 2019
|description =  LOFAR identifies herringbone sources within the flank of the SOL2017-09-10 shock - no joke
|image=Icon348.png}}

{{Nugget Badge
|title =  Persistent Quasi-Periodic Pulsations Detected During the Large X8.2 Solar Flare
|number = 347
|first_author = Laura HAYES
|second_author =  and Peter GALLAGHER
|publish_date = 25 March 2019
|description =  The most beautiful flare has the most beautiful pulsations
|image=Icon347.png}}

{{Nugget Badge
|title =  Is the coronal magnetic field braiding?
|number = 346
|first_author = Markus ASCHWANDEN
|second_author =  
|publish_date = 11 March 2019
|description =  This iconic cartoon does not relate well to the observations
|image=Icon346.png}}

{{Nugget Badge
|title =  An energetic pre-flare: electron distributions in magnetic reconnection outflows
|number = 345
|first_author = Marina BATTAGLIA,
|second_author =  Eduard KONTAR and Galina MOTORINA
|publish_date = 18 February 2019
|description =  Assessing energy partition in a pre-impulsive flare development
|image=Icon345.png}}

{{Nugget Badge
|title =  Linear Polarization in H-alpha Flares
|number = 344
|first_author = Tomoko KAWATE
|second_author =  and Yoichiro HANAOKA
|publish_date = 4 February 2019
|description =  H-alpha polarization is rarely observable but, in once case, very suggestive
|image=Icon344.png}}

{{Nugget Badge
|title =  Short-Period Waves
|number = 343
|first_author = Sijie YU
|second_author =  and Bin CHEN
|publish_date = 21 January 2019
|description =  New decimetric imaging spectroscopy suggests Alfv&amp;eacute;nic energy transport in flares
|image=Icon343.png}}

{{Nugget Badge
|title =  The Interesting RHESSI/SAS Archive
|number = 342
|first_author = Hugh HUDSON
|second_author =  and Martin FIVIAN
|publish_date = 8 January 2019
|description =  The full mission database shows RHESSI to have been very stable geometrically
|image=Icon342.png}}

{{Nugget Badge
|title =  Homologous White Light Solar Flares‎
|number = 341
|first_author = Paolo ROMANO
|second_author =  and Abouazza ELMHAMDI
|publish_date = 31 December 2018
|description =  Homologous white-light flares, in rapid succession, and coronal null points
|image=Icon341.png}}

{{Nugget Badge
|title =  The flight of FOXSI-3
|number = 340
|first_author = Lindsay GLESENER
|second_author =  and Noriyuki NARUKAGE
|publish_date = 10 December 2018
|description =  Single-photon counting and direct focusing across hard and soft energies
|image=Icon340.png}}

{{Nugget Badge
|title =  Stellar Flares and Starspots
|number = 339
|first_author = Lauren DOYLE
|second_author =  
|publish_date = 3 December 2018
|description =  Stellar flares don't spatially match their starspots
|image=Icon339.png}}

{{Nugget Badge
|title =  Neutron Production in Solar Flares
|number = 338
|first_author = Ron MURPHY
|second_author =  and Gerry SHARE
|publish_date = 26 November 2018
|description =  Neutron astronomy helps us understand solar flares
|image=Icon338.png}}

{{Nugget Badge
|title =  Cycle 25 Strikes Again
|number = 337
|first_author = Kamil BICZ
|second_author =  
|publish_date = 20 November 2018
|description =  A second, larger Cycle 25 sunspot
|image=Icon337.png}}

{{Nugget Badge
|title =  Remembering Marcos Machado via his research
|number = 336
|first_author = Hugh HUDSON
|second_author =  
|publish_date = 13 November 2018
|description =  Recalling a friend and colleague, and admiring his final paper
|image=Icon336.png}}

{{Nugget Badge
|title =  CORONAS/SPIRIT Mg XII and Nanoflares‎
|number = 335
|first_author = Anton REVA
|second_author =  
|publish_date = 22 October 2018
|description =  Monochromatic Mg XII spectroheliography sets severe limits on nanoflare heating models
|image=Icon335.png}}

{{Nugget Badge
|title =  White-light Emission and Non-thermal Electrons‎
|number = 334
|first_author = Kyoung-Sun LEE
|second_author =  
|publish_date = 8 October 2018
|description =  An intimate relationship between accelerated electrons and visible flare continuum
|image=Icon334.png}}

{{Nugget Badge
|title =  Coronal Hard X-ray Sources Revisited
|number = 333
|first_author = Brian DENNIS
|second_author =  
|publish_date = 24 September 2018
|description =  Reporting some over-interpretation of the evidence for "coronal thick targets"
|image=Icon333.png}}

{{Nugget Badge
|title =  Photospheric response to a flare
|number = 332
|first_author = Mike WHEATLAND
|second_author =  
|publish_date = 17 September 2018
|description =  Sudden changes in the magnetic field in the low atmosphere associated with particle acceleration
|image=Icon332.png}}

{{Nugget Badge
|title =   New Views of Global Solar Magnetic Field Evolution Over Four Solar Cycles
|number = 331
|first_author = David WEBB
|second_author =  
|publish_date = 27 August 2018
|description = A digital archive of Pat McIntosh's 44 years of solar synoptic observations  
|image=Icon331.png}}

{{Nugget Badge
|title =   Understanding the co-spatial return current in solar flares
|number = 330
|first_author = Meriem ALAOUI
|second_author =  and Gordon HOLMAN
|publish_date = 6 August 2018
|description = Completing the circuit in a thick-target model  
|image=Icon330.png}}

{{Nugget Badge
|title =  3D Magnetic Reconnection at a Coronal Null Point
|number = 329
|first_author = Shane MALONEY,
|second_author = Aidan O'Flannagain and Peter Gallagher
|publish_date = 30 July 2018
|description = Large-scale reconnection involved in Type I radio noise storm  
|image=Icon329.png}}

{{Nugget Badge
|title =  The true dawn of multimessenger astronomy
|number = 328
|first_author = Hugh Hudson
|second_author = 
|publish_date = 23 July 2018
|description = Ever since the Carrington flare 
|image=Icon328.png}}

{{Nugget Badge
|title =  Microwave Imaging Spectroscopy of Flares is Here‎
|number = 327
|first_author = Dale E. Gary,
|second_author = EOVSA and RHESSI Teams
|publish_date = 16 July 2018
|description = Microwave imaging spectroscopy takes a giant leap forward with SOL2017-09-10 
|image=Icon327.png}}

{{Nugget Badge
|title =  Coronal nanoflares powered by footpoint reconnection
|number = 326
|first_author = Pradeep Chitta,
|second_author = Hardi Peter, and Sami Solanki
|publish_date = 9 July 2018
|description = Coronal nanoflares in active region cores can be powered by the magnetic reconnection in the lower solar atmosphere 
|image=Icon326.png}}

{{Nugget Badge
|title =  A remarkable, but confused, coronal hard X-ray source
|number = 325
|first_author = Alexandra Lysenko,
|second_author = Larisa Kashapova and Hugh Hudson
|publish_date = 25 June 2018
|description = A remarkable flare in 1999 adds to our short list of extended coronal hard X-ray/microwave sources 
|image=Icon325.png}}

{{Nugget Badge
|title =  Understanding HMI pseudocontinuum in white-light flares‎
|number = 324
|first_author = Michal &amp;Scaron;vanda
|second_author = et al.
|publish_date = 28 May 2018
|description = The HMI pseudocontinuum (Ic) is ill-calibrated in regions with strong fields, i.e. for white-light flares 
|image=Icon324.png}}

{{Nugget Badge
|title =  To beam or not to beam - that is (still) the question
|number = 323
|first_author = Paulo Sim&amp;otilde;es
|second_author = and Hugh Hudson
|publish_date = 14 May 2018
|description = Descriptions of the lower solar atmosphere of flares &lt;i&gt;ca.&lt;/i&gt; Cycle 21 sound surprisingly current 
|image=Icon323.png}}

{{Nugget Badge
|title =  Observation of Cosmic Ray Spallation Events from SoHO‎
|number = 322
|first_author = Serge Koutchmy
|second_author = and Ehsan Tavabi
|publish_date = 7 May 2018
|description = LASCO's images capture high-energy nuclear interactions from cosmic-ray hits 
|image=Icon322.png}}

{{Nugget Badge
|title =  A Sunspot from Cycle 25 for sure
|number = 321
|first_author = Tomek Mrozek
|second_author = and Hugh Hudson
|publish_date = 10 April 2018
|description = YES! Cycle 25 is here! 
|image=Icon321.png}}

{{Nugget Badge
|title =  Blue-wing enhancement of the Mg II h and k lines in a flare
|number = 320
|first_author = Akiko TEI
|second_author =
|publish_date = 9 April 2018
|description = Flare loops involve a cool upflow preceding the hot evaporation flow 
|image=Icon320.png}}

{{Nugget Badge
|title =  NuSTAR detects X-ray flares in the quiet Sun
|number = 319
|first_author = Matej Kuhar
|second_author = and S&amp;auml;m Krucker
|publish_date = 26 March 2018
|description =  Quiet-Sun flares may not be powerful, but they look a lot like ordinary flares
|image=Icon319.png}}

{{Nugget Badge
|title =  Homologous CME/flares from AR 12371
|number = 318
|first_author = Panditi Vemareddy
|second_author = and Pascal Demoul&amp;iacute;n
|publish_date = 19 March 2018
|description =  An excellent set of homologous flare/CMEs analyzed and explained
|image=Icon318.png}}

{{Nugget Badge
|title =  Non-Maxwellian Diagnostics from SDO/EVE Spectra of an X-class Flare
|number = 317
|first_author = Elena Dzif&amp;#x10d;&amp;aacute;kov&amp;aacute;
|second_author = and Jaroslav Dud&amp;iacute;k
|publish_date = 16 February 2018
|description =  Ratios of high-excitation ions can readily detect &amp;kappa;-distributions in flare plasmas
|image=Icon317.png}}

{{Nugget Badge
|title =  Joint MinXSS and RHESSI Flare X-ray Spectra between 1 and 15 keV
|number = 316
|first_author = Chris Moore, Brian Dennis and the MinXSS Science Team
|publish_date = 5 February 2018
|description =  MinXSS adds systematic views of flare soft X-ray spectra to RHESSI imagery
|image=Icon316.png}}

{{Nugget Badge
|title =  Parameterized Flare Models with Chromospheric Compressions
|number = 315
|first_author = Adam Kowalski &amp; Joel Allred
|publish_date = 17 January 2018
|description =  A new approach to modeling the lower flare atmosphere
|image=FlareModelsKowalskiAllred.png}}

{{Nugget Badge
|title =  A Curious Sunspot Group in 2018
|number = 314
|first_author = Hugh Hudson
|publish_date = 14 January 2018
|description =  The first new sunspot group of 2018 emerged at the wrong latitude
|image = Icon314.png}}

{{Nugget Badge
|title =  Tecumseh's Eclipse and Astrophysics
|number = 313
|first_author = Hugh Hudson
|publish_date = 25 December 2017
|description =  The solar corona was first recognized as such, and named, in an eclipse of 1806
|image = Icon313.png}}

{{Nugget Badge
|title =  Hunting for Hidden Tiny Flares
|number = 312
|first_author = Shin-nosuke ISHIKAWA
|publish_date = 27 November 2017
|description =  FOXSI-2 says that episodic energy releases are still viable as a part of the coronal heating problem.
|image = Icon312.png}}

{{Nugget Badge
|title =  Unusual Type III Burst Dynamics Produced by Diverging Magnetic Fields
|number = 311
|first_author = Patrick McCauley
|publish_date = 20 November 2017
|description =  Unusual type III bursts follow coronal separatrix structures.
|image = Icon311.png}}

{{Nugget Badge
|title =  Valderrama in the 21st Century
|number = 310
|first_author = Hugh Hudson
|publish_date = 31 October 2017
|description =  A newly-described white-light flare from the 19th century!..
|image = Icon310.png}}

{{Nugget Badge
|title =  Electron Scattering in the Flaring Corona
|number = 309
|first_author = Sophie Musset
|publish_date = 24 October 2017
|description = Diffusive transport may contribute to the trapping of electrons in coronal X-ray sources 
|image = Icon309.png}}

{{Nugget Badge
|title =  The Power of Turbulence
|number = 308
|first_author = Nic Bian
|publish_date = 25 September 2017
|description = Turbulent energy content may underlie flare energy transfer, magnetic reconnection, and particle acceleration 
|image = Icon308.png}}

{{Nugget Badge
|title =  The Kelvin Force and Loop-Top Concentration
|number = 307
|first_author = Kiyoto SHIBASAKI
|publish_date = 18 September 2017
|description = New physics can explain the perplexing overpressure at the flare looptop regions
|image = Icon307.png}}

{{Nugget Badge
|title = The Last Best Flare of Cycle 24?
|number = 306
|first_author = S&amp;auml;m Krucker
|second_author = and Hugh Hudson
|publish_date = 11 September 2017
|description = Right on schedule, Cycle 24 has produced a great flare (with a GLE)
|image = Icon306.png}}

{{Nugget Badge
|title = Electric Current Neutralization and Solar Eruption in Active Regions
|number = 305
|first_author = Yang LIU
|second_author = 
|publish_date = 28 August 2017
|description = Active current systems in the solar corona don't have return currents
|image = Icon305.png}}

{{Nugget Badge
|title = RHESSI and the Megamovie
|number = 304
|first_author = Hugh Hudson, Laura Peticolas,
|second_author = and Juan Carlos Mart&amp;iacute;nez Oliveros
|publish_date = 31 July 2017
|description = A wholly new way to view a solar eclipse, and to do solar astrometry
|image = Icon304.png}}

{{Nugget Badge
|title = Bastille Day 2017
|number = 303
|first_author = Hugh Hudson
|second_author = and S&amp;auml;m Krucker
|publish_date = 24 July 2017
|description = Interesting flares really do happen on Bastille Day...
|image = Icon303.png}}

{{Nugget Badge
|title = The Solar X-ray Limb III
|number = 302
|first_author = Marina Battaglia
|second_author = and Gordon Hurford
|publish_date = 12 June 2017
|description = RHESSI succeeds with a wholly new way to measure the solar diameter
|image = Icon302.png}}

{{Nugget Badge
|title = Double Coronal X-ray and Microwave Sources Associated With A Magnetic Breakout Solar Eruption
|number = 301
|first_author = Yao CHEN
|second_author =
|publish_date = 29 May 2017
|description = A different explanation of the double coronal hard X-ray sources
|image = Icon301.png}}

{{Nugget Badge
|title = A Lasso Model for Solar Gamma-ray Events
|number = 300
|first_author = Hugh Hudson
|second_author =
|publish_date = 15 May 2017
|description = A toy model hoping to explain the SEP/LAT relationship
|image = Icon300.png}}

[[RHESSI Science Nuggets 200 to 299|Next Nuggets]]</text>
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    </revision>
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