Tohban Report 2017-02-01

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|next_tohban  = TBD
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Latest revision as of 19:27, 1 February 2017


Tohban Reports
Start Date: 25 January 2017
End Date: 1 February 2017
Tohban: Juan Carlos Martinez Oliveros
Tohban email: oliveros@ssl.berkeley.edu
Next Tohban: Pascal Saint Hilare
List all reports



Contents

Solar Activity

Solar activity during the week continue at low levels. Currently there are three active regions on disk. There is a large coronal hole on disk. Solar activity is expected to be very low with a slight chance for C-class flares for the forecast period (01 - 03 Feb).

How many GOES flares occurred?

 Flares above B, C, M, X class were     22     1     0     0

RHESSI flare list contains 0 over the time range 25-Jan-17 01-Feb-17

No overlapping RHESSI flares to count, sorry

Memory Management

The SSR reached a maximum of ~30 percent during the week.

Spacecraft Status

Detectors 3 and 6 are active and taking data. The cold plate 1 and 2 temperatures are ~149.9K and 148.4K.

Currently the Cryocooler power is ~75.6 W and the acceleration is at ~11mg

Data Gaps

GAPS IN APP_ID = 102 (VC3-MONITOR RATES) WITH PACKET RATE LT 30
GAP START TIME              GAP END TIME                   GAP (SEC)
2017-01-29T05:15:00.000 -- 2017-01-29T10:45:00.000       19800.000
2017-01-30T02:10:00.000 -- 2017-01-30T12:00:00.000       35400.000
2017-01-30T20:55:00.000 -- 2017-01-31T00:00:00.000       11100.000
DATA GAPS FOR 2017/01/31
TIME RANGE: 2017-01-31T00:00:00.000 -- 2017-02-01T00:00:00.000
GAPS IN APP_ID = 1 (VC1-SOH) WITH PACKET RATE LT 30
N_GAPS           2
GAP START TIME              GAP END TIME                   GAP (SEC)
2017-01-31T15:20:00.000 -- 2017-01-31T15:35:00.000       900.00000
2017-01-31T17:10:00.000 -- 2017-01-31T17:25:00.000       900.00000
GAPS IN APP_ID = 154 (VC1-PMTRAS) WITH PACKET RATE LT 4
N_GAPS           4
GAP START TIME              GAP END TIME                   GAP (SEC)
2017-01-31T08:10:00.000 -- 2017-01-31T12:10:00.000       14400.000
2017-01-31T15:20:00.000 -- 2017-01-31T15:25:00.000       300.00000
2017-01-31T17:10:00.000 -- 2017-01-31T17:25:00.000       900.00000
2017-01-31T19:50:00.000 -- 2017-01-31T20:40:00.000       3000.0000
GAPS IN APP_ID = 102 (VC3-MONITOR RATES) WITH PACKET RATE LT 30
N_GAPS           1 
GAP START TIME              GAP END TIME                   GAP (SEC)
2017-01-31T00:00:00.000 -- 2017-02-01T00:00:00.000       86400.000

Detector issues

On January 26 detector 1 was turned off and detector 6 was turned on. Detector 6 segmented at about 3000V showing one count in the rear slow valids. On January 27 the detector voltage was increased to 3500V and a series of threshold changes were made.

2017-026-16:00:18 /ihvdac detector=1, voltage=0 ; detector 1 off

2017-026-16:06:22 start idib_on_g6 2017-026-16:06:45 start ihv_ramp_stage1_g6 ; 171 V

2017-026-17:39:12 start ihv_ramp_stage2_g6 ; 1000 V

2017-026-19:18:56 start ihv_ramp_stage3_g6 ; 2000 V

2017-026-20:58:35 start ihv_ramp_stage4_g6  ; 3000 V

2017-026-21:04:31 /IDPUTABLE6 OFFSET=FRONTSLOWDAC 2017-026-21:04:50 /IDPULOAD VALUE=0x80 ; was 0x68


2017-027-17:11:01 start ihv_ramp_stage5_g6 ; 3500 V

2017-027-17:14:14 /IDPUTABLE6 OFFSET=FRONTFASTDAC 2017-027-17:14:24 /IDPULOAD VALUE=0x60 ; was 0x40

2017-027-17:15:02 /IDPUTABLE6 OFFSET=REARFASTDAC 2017-027-17:15:12 /IDPULOAD VALUE=0x60 ; was 0x45

2017-027-17:16:11 /IDPUTABLE6 OFFSET=FRONTSLOWDAC 2017-027-17:16:22 /IDPULOAD VALUE=0x20 was 0x80

2017-027-17:17:40 /IDPUTABLE6 OFFSET=FRONTSLOWDAC 2017-027-17:17:48 /IDPULOAD VALUE=0x15 ; was 0x20

2017-027-18:54:57 /IDPUTABLE6 OFFSET=FRONTSLOWDAC 2017-027-18:55:06 /IDPULOAD VALUE=0x0C ; was 0x15

2017-027-18:55:53 /IDPUTABLE6 OFFSET=FRONTSLOWDAC 2017-027-18:56:03 /IDPULOAD VALUE=0x10 ; was 0x0C

2017-027-18:56:35 /IDPUTABLE6 OFFSET=FRONTFASTDAC 2017-027-18:56:40 /IDPULOAD VALUE=0x70 ; was 0x40

2017-027-18:57:13 /IDPUTABLE6 OFFSET=FRONTFASTDAC 2017-027-18:57:23 /IDPULOAD VALUE=0x80 ; was 0x70

2017-027-18:58:03 /IDPUTABLE6 OFFSET=FRONTFASTDAC 2017-027-18:58:10 /IDPULOAD VALUE=0x70 ; was 0x80

Other notes

Spacecraft Management

Decimation Normal/Vigorous
HLAT Decimation Rear decimation
Night time data (fronts) plus/minus 4 minutes from daylight
Night time data (rears) plus/minus 4 minutes from daylight
Require extra passes? No
Requirement for moving pointer? No
Attenuator operation logic enabled
Detector problems? See notes above.
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