ISDC END OF REVOLUTION REPORT (NRT)
REVOLUTION 2176 - Report of January 6, 2020
Perigee Passage at start : 2019-12-27T14:11:39
Perigee Passage at end : 2019-12-30T06:00:47
Radiation Belt exit : 35351 km (ijd 7300.6755)
Radiation Belt entrance : km (ijd )
1. Planning summary
===================
1.1 General remarks
a) 2019-12-28T11:57: Pointing 31 interrupted, 32 shorter.
b) 2019-12-29T18:58: Pointing 71 interrupted
1.2 Pointings summary
Remarks: Exposure info from POD. Pointing info from TSF.
- Durations in exec/planned format; data gaps and bad time intervals not excluded from total time.
- Deviations: only unexpected deviations >30 secs for pointings assigned to an exposure reported;
expected deviations (first & last pointings of an exposure longer than planned) not reported.
- Exposure 21760001: 'TIMELESS_N.08.1', 5x5 (25x2000s)
25 pointings: 21760002 -> 21760026, 49861s/50000s (-2m18s)
- Exposure 21760002: 'TIMELESS_N.08.2', 5x5 (20x2000s)
20 pointings: 21760028 -> 21760047, 40150s/40000s (+2m30s)
Deviations:
21760031 2050/2000s: see 1.1.a)
21760032 695/2000s: see 1.1.a)
- Exposure 21760003: 'TIMELESS_N.08.2', 5x5 (3x2000s)
3 pointings: 21760048 -> 21760050, 7468s/6000s (+24m28s)
- Exposure 21760004: 'TIMELESS_N.08.2', 5x5 (2x2000s)
2 pointings: 21760051 -> 21760052, 5530s/4000s (+25m29s)
- Exposure 21760005: 'Dummy pointing', staring (1x900s)
1 pointing: 21760054, 2477s/900s (+26m17s)
- Exposure 21760006: 'Cas A / Tycho SNR', 5x5 (20x3530s)
20 pointings: 21760056 -> 21760075, 69044s/70600s (-25m56s)
Deviations:
21760071 472/3530s: see 1.1.b)
21760072 3500/3530s: see 1.1.b)
- Pointings with no assigned Exposure
6 pointings: 21760001, 0027, 0053, 0055, 0076, 0077, 28254s/3110s (+6h59m03s)
2. NRT Data processing
======================
2.1 Telemetry
* TM gaps of more than 30 seconds:
2019-12-27T21:55:33
2019-12-28T23:42:50 - 2019-12-28T23:43:21
* Frames missed:
2019-12-27T21:55:33 539 frames missed (1276014112 to 1276014650)
* Statistics: Mean Rate: 15.98 frames/sec (mean)
Frames: 3302355 total
: 0 missed
: 2850140 TM
: 452215 idle
: 0 invalid
Packets: 5715182 total
: 41880 missed
: 5700280 TM
: 0 tcmd
: 14902 time
: 0 idle
: 0 invalid
* No error
2.2 Auxiliary files
OLF: 64
ASF: 80
THF: 59
2.3 Pre-processing / OPUS pipelines
Nothing special
* No error
2.5 ISGRI context table
2019-12-29T17:27: IIMG_SDCMOC_D20191227181719_00001.INT sent to MOC
3. Alerts
=========
3.1 All alerts except OOLs and missing scientific data
* Level 2:
603 The pointing hasn't increased by one. From 31 to 9500 (2176_0033_ASF)
-> see 1.1.a)
603 The pointing hasn't increased by one. From 71 to 9502 (2176_0074_ASF)
603 The pointing hasn't increased by one. From 70 to 72 (AHF)
-> see 1.1.b)
* Level 1:
604 Exposure time is 2055 sec. instead of 2000 sec.
Pointing ID (BCPPID): 21760031
604 Exposure time is 691 sec. instead of 2000 sec.
Pointing ID (BCPPID): 21760032
-> see 1.1.a)
604 Exposure time is 470 sec. instead of 3530 sec.
Pointing ID (BCPPID): 21760071
-> see 1.1.b)
3041 Check NEW context from orbit 2176 (on 2019-12-27T18:17:19)
Program / version that has created this alert: ibis_isgr_low_thres 7.7
Directory of alert generation: /isdc/run2/pipelines/nrt/nrtrev/scratch/2176_20191227181719_00_ilt
Number of DEAD: 851 (limit is 850)
Number NEW DEAD: 0 (limit is 9)
3.2 Parameter out of limits -
3.3 Missing scientific data -
4. Instruments checks (IOSM)
=====================
Nothing special
5. Science
==========
5.1 Summary
a) Planned observations
Last POD file: /isdc/nrt2/ops/aux/adp/2176.000/pod_2176_0004.fits
Received at : 16 Dec 16:01
i EXP_ID OBS_ID SRC_NAME POINT_NUM POINT_LEN
1 21760001 16200210008 TIMELESS_N.08.1 25 2000
2 21760002 16200210028 TIMELESS_N.08.2 20 2000
3 21760003 16200210028 TIMELESS_N.08.2 3 2000
4 21760004 16200210028 TIMELESS_N.08.2 2 2000
5 21760005 88802730002 Dummy pointing 1 900
6 21760006 16200160002 Cas A / Tycho SNR 20 3530
b) Solar activity & miscellaneous
Calm
5.2 IBAS
a) GRB in ISGRI FOV: No
b) GRB in SPI-ACS: No more reported
5.3 TOOs: No
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