ISDC END OF REVOLUTION REPORT (NRT)
REVOLUTION 2687 - Report of September 20, 2023
Perigee Passage at start : 2023-09-16T22:35:23
Perigee Passage at end : 2023-09-19T14:25:22
Radiation Belt exit : 27255 km (ijd 8660.0012)
Radiation Belt entrance : 49850 km (ijd 8662.4620)
1. Planning summary
===================
1.1 General remarks
a) Numerous alerts 605 related to instrument: JEM-X 2.
b) 2023-09-18T06:56: Pointing 39 missed.
c) 2023-09-18T12:22: PICsIT reset.
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 26870001: 'FRB 180916.J0158+65', 5x5 (18x3467s)
18 pointings: 26870002 -> 26870019, 62443s/62406s (+36s)
- Exposure 26870002: 'Gal. Plane, l= 178', 5x5 (25x1800s)
25 pointings: 26870021 -> 26870045, 43306s/45000s (-28m14s)
Deviations:
26870039 52/1800s: see 1.1.b)
- Exposure 26870003: 'Swift J1727.8-1613', 5x5 (21x3400s)
21 pointings: 26870049 -> 26870069, 79243s/71400s (+2h10m42s)
- Pointings with no assigned Exposure
9 pointings: 26870001, 0020, 0046, 0047, 0048, 0070, 0071, 0072,
69992096
19008s/4976s (+3h53m51s)
2. NRT Data processing
======================
2.1 Telemetry
* TM gaps of more than 30 seconds:
2023-09-18T12:37:16
* Frames missed: -
* Statistics: Mean Rate: 15.99 frames/sec (mean)
Frames: 3538523 total
: 0 missed
: 1570745 TM
: 1967778 idle
: 0 invalid
Packets: 3156980 total
: 2019 missed
: 3141490 TM
: 0 tcmd
: 15490 time
: 0 idle
: 0 invalid
* No error
2.2 Auxiliary files
OLF: 64
ASF: 74
THF: 63
2.3 Pre-processing / OPUS pipelines
Nothing special
* No error
2.4 ISGRI context table
2023-09-19T02:23: IIMG_SDCMOC_D20230917031604_00001.INT
2023-09-19T09:20: IIMG_SDCMOC_D20230917031604_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 38 to 40 (2687_0001_AHF)
-> see 1.1.b)
* Level 1:
604 Exposure time is 50 sec. instead of 1800 sec.
Pointing ID (BCPPID): 26870039
-> see 1.1.b)
605 The mode differ for n sec. from the planning
Numerous alerts for ScWs: 268700210010 - 268700450010
Affected instrument: JEM-X 2
-> 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: 268700020010 - 268700690010
V1S_MBOT_MCOUNT
V1S_MLAT_MCOUNT
ScWs: 268700020010 - 268700690010
IOE_MDOS_MMCE4,6
PICsIT reset in ScW: 268700460010
P0S_MM[1-8]LTC1
P0S_MM[1-8]LTC2
P0S_MM[1-8]RTC1
P0S_MM[1-8]RTC2
P0E_MMMCRER
-> see 1.1.c)
3.3 Missing scientific data (taken from alert 3050)
IBIS:
-----
ScWs: 268700380010, 268700390010, 268700400010
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: 268700390010
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/2687.000/pod_2687_0001.fits
Received at : Sep 14. 11:26
i EXP_ID OBS_ID SRC_NAME POINT_NUM POINT_LEN
1 26870001 20200180001 FRB 180916.J0158+65 18 3467
2 26870002 20200130155 Gal. Plane, l= 178 25 1800
3 26870003 20700150001 Swift J1727.8-1613 21 3400
b) Solar activity & miscellaneous
Calm
5.2 IBAS: no more reported here
5.3 TOOs: No
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