ISDC END OF REVOLUTION REPORT (NRT)
REVOLUTION 2437 - Report of November 24, 2021
Perigee Passage at start : 2021-11-20T21:12:05
Perigee Passage at end : 2021-11-23T13:01:51
Radiation Belt exit : 23512 km (ijd 7994.9306)
Radiation Belt entrance : XXXX km (ijd XXXX)
1. Planning summary
===================
1.1 General remarks
a) Eclipse season.
b) 2021-11-21T18:04: Pointing 20, 21, 22 missed.
c) 2021-11-22T04:07: Pointing 35 missed.
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 24370001: 'GRS 1915+105', 5x5 (25x3024s)
25 pointings: 24370002 -> 24370026, 74261s/75600s (-22m19s)
Deviations:
24370020 1779/3024s: see 1.1.b)
24370021 2007/3024s: see 1.1.b)
24370022 4086/3024s: see 1.1.b)
- Exposure 24370002: 'Dummy pointing', staring (1x900s)
1 pointing: 24370028, 1011s/900s (+1m50s)
- Exposure 24370003: 'Gal. Plane, l= 248', 5x5 (6x1980s)
6 pointings: 24370030 -> 24370035, 10179s/11880s (-28m20s)
Deviations:
24370035 224/1980s: see 1.1.c)
- Exposure 24370004: 'Gal. Plane, l= 248', 5x5 (19x1980s)
19 pointings: 24370036 -> 24370054, 40501s/37620s (+48m00s)
- Exposure 24370005: 'Gal. Plane, l= 258', 5x5 (25x1980s)
25 pointings: 24370056 -> 24370080, 54051s/49500s (+1h15m51s)
- Pointings with no assigned Exposure
8 pointings: 24370001, 0027, 0029, 0055, 0081, 0082, 0083, 0084
22829s/6212s (+4h36m57s)
2. NRT Data processing
======================
2.1 Telemetry
* TM gaps of more than 30 seconds:
2021-11-21T17:12:47 - 2021-11-21T17:35:00
2021-11-21T20:54:03
2021-11-22T05:13:39
2021-11-23T11:15:39 - 2021-11-23T12:19:13
* Frames missed: -
* Statistics: Mean Rate: 15.89 frames/sec (mean)
Frames: 3500303 total
: 0 missed
: 2921389 TM
: 578914 idle
: 0 invalid
Packets: 5859022 total
: 47017 missed
: 5842778 TM
: 0 tcmd
: 16244 time
: 0 idle
: 0 invalid
* No error
2.2 Auxiliary files
OLF: 64
ASF: 85
THF: 64
2.3 Pre-processing / OPUS pipelines
Nothing special
* No error
2.4 ISGRI context table
2021-11-23T00:09: IIMG_SDCMOC_D20211121010417_00001.INT
2021-11-23T08:40: IIMG_SDCMOC_D20211121010417_00002.INT
2nd version provided by IRFU/SAp, Saclay (F)
3. Alerts
=========
3.1 All alerts except OOLs and missing scientific data
* Level 2:
603 The pointing hasn't increased by one. From 20 to 9501 (2437_0001_AHF)
-> see 1.1.b)
603 The pointing hasn't increased by one. From 34 to 36 (2437_0001_AHF)
-> see 1.1.c)
* Level 1:
604 Exposure time is 1784 sec. instead of 3024 sec.
Pointing ID (BCPPID): 24370020
-> see 1.1.b)
604 Exposure time is 2001 sec. instead of 3024 sec.
Pointing ID (BCPPID): 24370021
-> see 1.1.b)
604 Exposure time is 4092 sec. instead of 3024 sec.
Pointing ID (BCPPID): 24370022
-> see 1.1.b)
604 Exposure time is 224 sec. instead of 1980 sec.
Pointing ID (BCPPID): 24370035
-> see 1.1.c)
605 OMC: The mode differ for 1004 sec. from the planning
Program / version that has created this alert: osm_timeline 1.14
Directory of alert generation: /isdc/nrt2/ops/scw/2437/243700220010.000
from 2021-11-21T18:40:24 to 2021-11-21T18:57:08 expected mode : 42 actual mode: 21
605 IBIS: The mode differ for 192 sec. from the planning
Program / version that has created this alert: osm_timeline 1.14
Directory of alert generation: /isdc/nrt2/ops/scw/2437/243700400010.000
from 2021-11-22T08:06:52 to 2021-11-22T08:10:04 expected mode : 41 actual mode: 22
3041 Check NEW context from orbit 2437 (on 2021-11-21T01:04:17)
Program / version that has created this alert: ibis_isgr_low_thres 7.8
Directory of alert generation: /isdc/run2/pipelines/nrt/nrtrev/scratch/2437_20211121010417_00_ilt
Number of DEAD: 913 (limit is 890)
Number NEW DEAD: 0 (limit is 9)
3.2 Parameter out of limits
OMC:
----
Due to eclipse season
Science Window ID: 243700000012, 243700000021
PCURR__1
SVOLT___P5
SVOLT___M5
SVOLT___P12
SVOLT___M12
SVOLT___P36
IBIS:
-----
Due to Solar minimum, the IBIS veto limits are not appropriate
resulting in too many alerts
ScWs: 243700020010 - 243700800010
V1S_MBOT_MCOUNT
V1S_MLAT_MCOUNT
ScWs: 243700020010 - 243700800010
IOE_MDOS_MMCE4,6
ScW: 243700060010
I0S_MEVTCNT_MMCE3,5,7
ScWs: 233700120010 - 233700400010
V1S_MCDM01HV
3.3 Missing scientific data (taken from alert 3050) -
4. Instruments checks (IOSM)
=====================
Nothing special
5. Science
==========
5.1 Summary
a) Planned observations
Last POD file: /isdc/nrt2/ops/aux/adp/2437.000/pod_2437_0001.fits
Received at : Nov 16. 09:30
i EXP_ID OBS_ID SRC_NAME POINT_NUM POINT_LEN
1 24370001 18200090012 GRS 1915+105 25 3024
2 24370002 88804850001 Dummy pointing 1 900
3 24370003 18200080098 Gal. Plane, l= 248 6 1980
4 24370004 18200080098 Gal. Plane, l= 248 19 1980
5 24370005 18200080103 Gal. Plane, l= 258 25 1980
b) Solar activity & miscellaneous
Calm
5.2 IBAS: no more reported here
5.3 TOOs: No
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