Fit function components: Difference between revisions
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[[Image:Fit_function_setup.jpg|center|thumb| | [[Image:Fit_function_setup.jpg|center|thumb|600px|The Fit Function Setup with components chosen and starting parameters adjusted]] | ||
A simple tutorial on fitting a time interval using OSPEX can be found in [[OSPEX Documentation]]. | A simple tutorial on fitting a time interval using OSPEX can be found in [[OSPEX Documentation]]. | ||
Revision as of 17:56, 23 June 2009
List of Functions Available in OSPEX for RHESSI Spectral Fitting
Introduction
This page lists the fit function components the user may select when doing a RHESSI spectral fit. The are chosen from the drop down menu at the top of the 'Choose Fit Function Components and Set Parameters' GUI:
A simple tutorial on fitting a time interval using OSPEX can be found in OSPEX Documentation.
List of Available Fit Function Components
- vth - Variable Thermal
- vth_abun - Variable Thermal, Separate Abundances
- multi_therm_exp - Multithermal, Exp Temp
- multi_therm_abun_exp - Multithermal, Exp Temp, Separate Abundances
- multi_therm_pow - Multithermal, Pow Temp
- multi_therm_abun_pow - Multithermal, Pow Temp, Separate Abundances
- bpow - Broken Power Law
- 3pow - Triple Power Law
- line - Gaussian
- thin - Thin Target Bremsstrahlung
- thick - Thick Target Bremsstrahlung
- thick2 - Thick Target Bremsstrahlung Version 2
- ion - Non-uniform Target Ionization Spectrum
- drm_mod - Pseudo function for fine tuning RHESSI DRM parameters
- gain_mod - Pseudo function for modifying energy bins in model
- pileup_mod - Pseudo function for correcting pileup
- template - Template function
- positronium - Positronium + 511
- photon_thin - Thin Target photon Spectrum using Bethe-Heitler cross-section
- photon_thick - Thick target photon spectrum using Bethe-Heitler cross-section
- thin-kappa - thin_target bremsstrahlung spectrum for electron kappa distribution