ISDC END OF REVOLUTION REPORT (NRT)
REVOLUTION 2025 - Report of November 27, 2018
Perigee Passage at start : 2018-11-21T02:18:34
Perigee Passage at end : 2018-11-23T18:09:16
Radiation Belt exit : 53463 km (ijd 6899.2537)
Radiation Belt entrance : 41381 km (ijd 6901.6493)
1. Planning summary
===================
1.1 General remarks (all times are in UTC)
a) 2018-11-21 09:10: OOL indicating PICsIT latch-up. IBIS disabled in timeline.
2018-11-21 09:31z : IBIS & CCCF enabled in timeline.
After this recovery was applied all OOLs disappeared and IBIS resumed normal science.
b) 2018-11-22T19:25: PICsIT reset in SCW 202500610021 followed by HEPI resync.
c) 2018-11-23T10:46: PICsIT reset in SCW 202500810010 followed by HEPI resync.
1.2 Pointings summary
Remarks: Only Science Windows (ScWs) of type 'pointing' are considered.
- Exposures info from POD version 1. Pointings info from TSF version 1.
- 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 20250001: 'Galaxy l=54, b=-25', hexagon (7x2000s)
7 pointings: 20250002 -> 20250008, 14042s/14000s (+41s)
- Exposure 20250002: 'Galaxy l=58, b=0', hexagon (7x2000s)
7 pointings: 20250010 -> 20250016, 13994s/14000s (-5s)
- Exposure 20250003: 'Galaxy l=54, b=-25', hexagon (7x2000s)
7 pointings: 20250018 -> 20250025, 13996s/14000s (-4s)
- Exposure 20250004: 'Galaxy l=58, b=0', hexagon (7x2000s)
7 pointings: 20250026 -> 20250032, 13998s/14000s (-1s)
- Exposure 20250005: 'Galaxy l=54, b=-25', hexagon (7x2000s)
7 pointings: 20250034 -> 20250040, 13989s/14000s (-11s)
- Exposure 20250006: 'Galaxy l=58, b=0', hexagon (5x2000s)
5 pointings: 20250042 -> 20250046, 11803s/10000s (+30m03s)
- Exposure 20250007: 'Galaxy l=58, b=0', hexagon (252000s)
2 pointings: 20250047 -> 20250048, 5156s/4000s (+19m15s)
- Exposure 20250008: 'Galaxy l=54, b=-25', hexagon (7x2000s)
7 pointings: 20250050 -> 20250056, 13988s/14000s (-11s)
- Exposure 20250009: 'Galaxy l=58, b=0', hexagon (7x2000s)
7 pointings: 20250058 -> 20250064, 15508s/14000s (+25m07s)
- Exposure 20250010: 'Dummy pointing', staring (1x900s)
1 pointing: 20250066, 962s/900s (+1m01s)
- Exposure 20250011: 'Reticulum II', 5x5 (13x3530s)
13 pointings: 20250070 -> 20250082, 46992s/45890s (+18m22s)
- Pointings with no assigned Exposure
14 pointings: 20250001, 0009, 0017, 0025, 0033, 0041, 0049, 0057,
0065, 0067, 0068, 0069, 0083, 0084, 8858s/8086s (+12m51s)
2. NRT Data processing
======================
2.1 Telemetry
* Start reception: 2018-11-21T04:43:13
End reception: 2018-11-23T14:26:31
* TM gaps of more than 30 seconds:
2018-11-22T11:50:47 - 2018-11-22T11:51:18
* Frames missed: -
* Statistics: 15.99 frames/sec (mean)
Frames: 3321964 total
: 0 missed
: 2613266 TM
: 708698 idle
: 0 invalid
Packets: 5241528 total
: 33964 missed
: 5226532 TM
: 0 tcmd
: 14996 time
: 0 idle
: 0 invalid
* No error
2.2 Auxiliary files
OLF: 64
ASF: 87
THF: 59
2.3 Pre-processing
Nothing special
2.4 OPUS Pipelines processing
Nothing significant.
* No error
2.5 ISGRI context table
2018-11-23T07:29: IIMG_SDCMOC_D20181121080849_00001.INT sent to MOC
2018-11-23T10:30: IIMG_SDCMOC_D20181121080849_00002.INT sent to MOC
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 63 to 9500 (2025_0065_ASF)
-> pointing was good
3018 PICsIT spectral timing integration changed
Program / version that has created this alert: ibis_spti_obt_calc 3.0
Directory of alert generation: /isdc/nrt2/ops/scw/2025/202500770010.000
3018 PICsIT spectral timing integration changed
Program / version that has created this alert: ibis_spti_obt_calc 3.0
Directory of alert generation: /isdc/nrt2/ops/scw/2025/202500820010.000
-> see 1.1.a)
* Level 1:
605 IBIS: The mode differ for 1144 sec. from the planning
ScW: 202500030010
from 2018-11-21T09:12:17 to 2018-11-21T09:31:21 expected mode: 41 actual mode: 22
-> see 1.1.a)
605 IBIS: The mode differ for 664 sec. from the planning
ScW: 202500770010
from 2018-11-23T06:59:37 to 2018-11-23T07:10:41 expected mode: 41 actual mode: 22
-> see 1.1.a)
3.2 Parameter out of limits
IBIS:
-----
In SCW 202500010021,202500020010:
P0E_MPDM5STB
P0S_MM5LTC1
P0S_MM5LTC2
P0S_MM5RTC1
P0S_MM5RTC2
P0S_MM5VTC
-> see 1.1.a)
In SCW 202500020010 - 202500030010
P0E_MPDM5STB
P0E_MM5TEMP1,2,3,4
P0E_MM5BIASLINE
P0E_MM5ASICLINE
-> see 1.1.a)
PICsIT reset in 202500610021 and 202500810010
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.b) and c)
3.3 Missing scientific data (taken from alert 3050)
IBIS:
-----
ScW: 202500030010
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)
4. Instruments checks (IOSM)
=====================
IBIS OEMs:
2018-11-21T09:18:14:
PICsIT Latch Up module notification MDU 5; status 0
-> see 1.1.a)
5. Science
==========
5.1 Summary
a) Planned observations
Last POD file: /isdc/nrt2/ops/aux/adp/2025.000/pod_2025_0001.fits
Received at : 2 Nov 13:01
i EXP_ID OBS_ID SRC_NAME POINT_NUM POINT_LEN
1 20250001 15200250022 Galaxy l=54, b=-24 7 2000
2 20250002 15200250023 Galaxy l=58, b=0 7 2000
3 20250003 15200250024 Galaxy l=54, b=-24 7 2000
4 20250004 15200250025 Galaxy l=58, b=0 7 2000
5 20250005 15200250026 Galaxy l=54, b=-24 7 2000
6 20250006 15200250027 Galaxy l=58, b=0 5 2000
7 20250007 15200250027 Galaxy l=58, b=0 2 2000
8 20250008 15200250028 Galaxy l=54, b=-24 7 2000
9 20250009 15200250029 Galaxy l=58, b=0 7 2000
10 20250010 88801840001 Dummy pointing 1 900
11 20250011 15200240001 Reticulum II 13 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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