Tohban Report 2014-07-30
| Tohban Reports | |
|---|---|
| Start Date: | 23 Jul 2014 |
| End Date: | 30 Jul 2014 |
| Tohban: | Mitsuo Oka (Vice Tohban: Hugh Hudson) |
| Tohban email: | moka@ssl.berkeley.edu |
| Next Tohban: | Nicole (Vice Tohban: Brian) |
| List all reports | |
Solar Activity
Solar activity remained low, mostly at B-level, but it was slightly higher than the previous week because there were 10 C-class flares. There are currently 10 ARs on disk. A few of those ARs are rather comlex and further C-class activity is expected withn the next few days. STEREO B shows a bright region that would rotate on disk within several days.
How many GOES flares occurred?
Flares above B, C, M, X class were 16 10 0 0
RHESSI flare list contains 0 over the time range 22-Jul-14 29-Jul-14
Spacecraft Operations
The RHESSI cooldown from annealing continued this week with no apparent anomalies. Cryocooler power was increased five times during the week.
23-Jul-2014: 14-204-17:44:21 start icryomain_ramp(26) - First cryocooler power increase
Cold Plate 1: 194.7 K Cold Plate 2: 192.8 K Cold Tip 1: 161.1 K Cold Tip 2: 159.5 K Shroud: 204.7 K Cryo Power: 26.2 W Vibrations: 13.0 mG
24-Jul-2014: No cryocooler adjustment
Cold Plate 1: 190.3 K Cold Plate 2: 188.5 K Cold Tip 1: 158.5 K Cold Tip 2: 156.6 K Shroud: 202.2 K Cryo Power: 26.0 W Vibrations: 12.6 mG
26-Jul-2014: 14-207-11:57:41 start icryomain_ramp(29)
Cold Plate 1: 182.9 K Cold Plate 2: 181.3 K Cold Tip 1: 150.3 K Cold Tip 2: 148.6 K Shroud: 197.8 K Cryo Power: 29.2 W Vibrations: 12.3 mG
27-Jul-2014: No cryocooler adjustment
Cold Plate 1: 178.7 K Cold Plate 2: 177.2 K Cold Tip 1: 148.2 K Cold Tip 2: 146.3 K Shroud: 195.7 K Cryo Power: 29.2 W Vibrations: 13.0 mG
28-Jul-2014: 2014-209-09:54 start icryomain_ramp(32)
Cryo Power: 33.0 W avg accel: 10.9 mG Cold Plate 1: 175.9 K Cold Plate 2: 174.2 K Cold Tip 1: 143.0 K Cold Tip 2: 141.1 K Shroud Temp: 194.3 K
29-Jul-2014: 2014-210-09:43:12 start icryomain_ramp(35)
Cryo Power: 35.3 W avg accel: 12.5 mG Cold Plate 1: 171.3 K Cold Plate 2: 169.5 K Cold Tip 1: 137.9 K Cold Tip 2: 136.4 K Shroud Temp: 192.2 K
30-Jul-2014: 14-211-09:16:46 start icryomain_ramp(38)
Cryo Power: 39.8 W avg accel: 10.5 mG Cold Plate 1: 166.2 K Cold Plate 2: 164.4 K Cold Tip 1: 132.3 K Cold Tip 2: 130.4 K Shroud Temp: 188.1 K
Memory
The SSR fill level reached a maximum of 46%, but has become low during the last few days. It is expected to be empty today.