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INTEGRAL Science Data Centre

ISDC END OF REVOLUTION REPORT (NRT)
REVOLUTION 2413 - Report of September 21, 2021


                                                              
 Perigee Passage at start : 2021-09-18T00:56:10
 Perigee Passage at end   : 2021-09-20T16:48:19
 Radiation Belt exit      : 24966 km (ijd 7931.0898)
 Radiation Belt entrance  : 53772 km (ijd 7933.5520)

 1. Planning summary
 ===================

 1.1 General remarks
 
 a) SPI annealing.

 b) 2021-09-19T13:25: Pointing 36 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 24130001: '4U 1626-67', 5x5 (18x3334s) 18 pointings: 24130002 -> 24130019, 60092s/60012s (+1m20s)
  • Exposure 24130002: 'Gal. Bulge region', hexagon (7x3600s) 7 pointings: 24130021 -> 24130027, 25251s/25200s (+51s)
  • Exposure 24130003: 'Dummy pointing', staring (1x900s) 1 pointing: 24130029, 964s/900s (+1m04s)
  • Exposure 24130004: 'M81', 5x5 (1x3572s) 1 pointing: 24130031, 3636s/3572s (+1m04s)
  • Exposure 24130005: 'M81', 5x5 (12x3572s) 12 pointings: 24130032 -> 24130043, 41988s/42864s (-14m35s) Deviations: 24130036 485/3572s: see 1.1.b)
  • Exposure 24130006: 'Crab', 5x5 (25x1800s) 25 pointings: 24130045 -> 24130069, 54460s/45000s (+2h37m40s)
  • Pointings with no assigned Exposure 7 pointings: 24130001, 0020, 0028, 0030, 0044, 0070, 0071 16245s/3732s (+3h28m32s)
2. NRT Data processing ====================== 2.1 Telemetry * TM gaps of more than 30 seconds: 2021-09-18T16:10:04 2021-09-18T16:10:35 2021-09-18T16:11:06 2021-09-18T16:11:37 2021-09-18T16:12:08 2021-09-18T16:12:39 2021-09-18T16:13:10 2021-09-18T16:13:41 2021-09-18T16:14:12 2021-09-18T16:14:43 2021-09-18T16:15:14 2021-09-18T16:15:45 2021-09-19T08:57:32 2021-09-19T08:58:03 * Frames missed: - * Statistics: Mean Rate: 15.94 frames/sec (mean) Frames: 3532989 total : 0 missed : 2052360 TM : 1480629 idle : 0 invalid Packets: 4120231 total : 15783 missed : 4104720 TM : 0 tcmd : 15511 time : 0 idle : 0 invalid * No error 2.2 Auxiliary files OLF: 64 ASF: 72 THF: 61 2.3 Pre-processing / OPUS pipelines Nothing special * No error 2.4 ISGRI context table 2021-09-20T03:55: IIMG_SDCMOC_D20210918044626_00001.INT 2021-09-20T14:10: IIMG_SDCMOC_D20210918044626_00002.INT 2nd version provided by IRFU/SAp, Saclay (F) 3. Alerts ========= 3.1 All alerts except OOLs and missing scientific data * Level 1: 604 Exposure time is 485 sec. instead of 3572 sec. Pointing ID (BCPPID): 24130036 -> see 1.1.b) 3041 Check NEW context from orbit 2413 (on 2021-09-18T04:46:26) Program / version that has created this alert: ibis_isgr_low_thres 7.8 Directory of alert generation: /isdc/run2/pipelines/nrt/nrtrev/scratch/2413_20210918044626_00_ilt Number of DEAD: 908 (limit is 890) Number NEW DEAD: 3 (limit is 9) 3.2 Parameter out of limits IBIS: ----- Due to Solar minimum, the IBIS veto limits are not appropriate resulting in too many alerts ScWs: 241300020010 - 241300690010 V1S_MBOT_MCOUNT V1S_MLAT_MCOUNT ScWs: 241300020010 - 241300690010 IOE_MDOS_MMCE4,6 ScW: 241300130010, 241300530010 I0S_MEVTCNT_MMCE3,5,7 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/2413.000/pod_2413_0001.fits Received at : Sep 14. 10:23 i EXP_ID OBS_ID SRC_NAME POINT_NUM POINT_LEN 1 24130001 18200170002 4U 1626-67 18 3334 2 24130002 18200010039 Gal. Bulge region 7 3600 3 24130003 88804620001 Dummy pointing 1 900 4 24130004 18200120002 M81 1 3572 5 24130005 18200120002 M81 12 3572 6 24130006 18600010010 Crab 25 1800 b) Solar activity & miscellaneous Calm 5.2 IBAS: no more reported here 5.3 TOOs: No