Tohban Report 2014-08-06

Tohban Reports
Start Date:	30 Jul 2014
End Date:	06 Aug 2014
Tohban:	Nicole Duncan (Vice Tohban: Brian Dennis)
Tohban email:	nicoleduncan@ssl.berkeley.edu
Next Tohban:	Juan (Vice Tohban: Albert )
List all reports

Solar Activity

Solar activity remained low this week. There were 36 C-class flares and 3 M-class. There are 9 ARs on disk with only 1 showing any flaring activity, having 4 C events in the past few days. This region (AR 12132) is in the SW quadrant and is forecast for another C event.

How many GOES flares occurred?

 Flares above B, C, M, X class were     1     36    3     0

RHESSI flare list contains 0 over the time range 30-Jul-14 05-Aug-14

Spacecraft Operations

The RHESSI cooldown from annealing continued this week with no apparent anomalies. Other spacecraft systems are nominal

Progress: -33 K from last week accelerations: remain low ~11mg

6-Aug-2014: 2 adjustments to power 14-218-04:16:12 start icryomain_ramp(55) 14-218-04:17:57 /icryomain power=117 14-218-05:49:51 /icryomain power=118

  Cryo Power:   56.0 W
  avg accel:   9.91 mG
  Cold Plate 1:  132.9 K
  Cold Plate 2:  131.2 K
  Cold Tip 1:  108.8 K
  Cold Tip 2:  107.2 K
  Shroud Temp:  173.6 K

5-Aug-2014: maintained power The cold plate is slowly cooling at a rate of about -0.3 degrees per orbit and the cold tip temp is changing at a rate of about -0.2 degrees per orbit.

  Cryo Power:  51.7 W
  avg accel:  11.9 mG
  Cold Plate 1:  137.1 K
  Cold Plate 2:  135.6 K
  Cold Tip 1:  112.1 K
  Cold Tip 2:  110.3 K
  Shroud Temp:  175.7 K

4-Aug-2014: increased power 2014-216-09:51:50 start icryomain_ramp(51.5)

 Cryo Power:  51.3 W
 avg accel:  10.6 mG
 Cold Plate 1:  141.7 K
 Cold Plate 2:  140.1 K
 Cold Tip 1:  114.8 K
 Cold Tip 2:  112.8 K
 Shroud Temp:  177.8 K

3-Aug-2014: increased power 14-215-06:43:11 start icryomain_ramp(47.5)

  Cold Plate 1: 145.8 K
  Cold Plate 2: 144.0 K
  Cold Tip 1: 118.0 K
  Cold Tip 2: 116.0 K
  Shroud: 178.3 K
  Cryo Power: 48.5 W
  Vibrations:   11 mG

2-Aug-2014: increased power 14-214-13:29:20 start icryomain_ramp(45.5) 14-214-13:29:58 /icryomain power=105

 Cold Plate 1: 150.6 K
 Cold Plate 2: 148.9 K
 Cold Tip 1: 122.0 K
 Cold Tip 2: 120.1 K
 Shroud: 180.5 K
 Cryo Power: 45.4 W
 Vibrations: 11 mG

1-Aug-2014: increased power 14-213-07:12:59 start icryomain_ramp(42.1)

  Cryo Power:  42.4 W
  avg accel:  10.9 mG
  Cold Plate 1:  155.8 K
  Cold Plate 2:  153.9 K
  Cold Tip 1:  125.4 K
  Cold Tip 2:  123.6 K
  Shroud Temp:  184.0 K

31-jul-2014: no power increase

  Cryo Power:  39.6 W
  avg accel:  11.3 mG
  Cold Plate 1:  160.5 K
  Cold Plate 2:  159.1 K
  Cold Tip 1:  129.6 K
  Cold Tip 2:  127.6 K
  Shroud Temp:  186.0 K

Memory

SSR is emptying at the end of the pass set