ISDC END OF REVOLUTION REPORT (NRT)
REVOLUTION 2541 - Report of August 29, 2022
Perigee Passage at start : 2022-08-24T12:16:48
Perigee Passage at end : 2022-08-27T04:07:26
Radiation Belt exit : 22170 km (ijd 8271.5555)
Radiation Belt entrance : 48342 km (ijd 8274.0430)
1. Planning summary
===================
1.1 General remarks
a) 2022-08-26T07:30: Pointing 42 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 25410001: 'SAX J1808.4-3658', hexagon (28x3470s)
28 pointings: 25410004 -> 25410031, 96932s/97160s (-3m48s)
- Exposure 25410002: 'SAX J1808.4-3658', hexagon (24x3470s)
24 pointings: 25410032 -> 25410055, 84502s/83280s (+20m21s)
Deviations:
25410042 44/3470s: see 1.1.a)
- Pointings with no assigned Exposure
7 pointings: 25410001, 0002, 0003, 0056, 0057, 0058, 0059
24458s/3732s (+5h45m26s)
2. NRT Data processing
======================
2.1 Telemetry
* TM gaps of more than 30 seconds:
2022-08-25T21:17:57
2022-08-25T21:18:28
* Frames missed: -
* Statistics: Mean Rate: 15.99 frames/sec (mean)
Frames: 3427403 total
: 0 missed
: 2589520 TM
: 837883 idle
: 0 invalid
Packets: 5194495 total
: 1891 missed
: 5179040 TM
: 0 tcmd
: 15455 time
: 0 idle
: 0 invalid
* No error
2.2 Auxiliary files
OLF: 63
ASF: 61
THF: 61
2.3 Pre-processing / OPUS pipelines
Nothing special
* No error
2.4 ISGRI context table
2022-08-26T16:39: IIMG_SDCMOC_D20220824173143_00001.INT
2022-08-26T18:31: IIMG_SDCMOC_D20220824173143_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 41 to 43 (2541_0001_AHF)
-> see 1.1.a)
* Level 1:
604 Exposure time is 44 sec. instead of 3470 sec.
Pointing ID (BCPPID): 25410042
-> see 1.1.a)
3.2 Parameter out of limits
IBIS:
-----
Due to Solar minimum, the IBIS veto limits are not appropriate
resulting in too many alerts
ScWs: 254100040010 - 254100550010
V1S_MBOT_MCOUNT
V1S_MLAT_MCOUNT
ScWs: 254100040010 - 254100550010
IOE_MDOS_MMCE4,6
3.3 Missing scientific data (taken from alert 3050)
IBIS:
-----
ScW: 254100410010
These data structures are missing:
PICS-SIMH-RAW (or ALL) for mode Observation standard (41)
PICS-SISH-RAW (or ALL) for mode Observation standard (41)
OMC:
----
ScW: 254100420010
These data structures are missing:
OMC.-SHOT-RAW (or ALL) for mode Science Normal (42)
4. Instruments checks (IOSM)
=====================
Nothing special
5. Science
==========
5.1 Summary
a) Planned observations
Last POD file: /isdc/nrt2/ops/aux/adp/2541.000/pod_2541_0003.fits
Received at : Aug 24. 06:30
i EXP_ID OBS_ID SRC_NAME POINT_NUM POINT_LEN
1 25410001 19400080022 SAX J1808.4-3658 28 3470
2 25410002 19400080022 SAX J1808.4-3658 24 3470
b) Solar activity & miscellaneous
Calm
5.2 IBAS: no more reported here
5.3 TOOs: No
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