See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html
Shift L9381.
Start at 087:13:00 GMT
PLAN
----
Start in radiation zone
Then:
2025:087:15:08:59 RADMON Enable
2025:087:15:28:01 Obsid: 28836 SI: ACIS-S (29 ksec) Target: 4U 1626-67
2025:087:23:34:55 Grating: NONE
2025:088:00:02:06 Obsid: 28729 SI: ACIS-I (28 ksec) Target: [JDW2009] G359.
2025:088:09:02:36 Obsid: 28760 SI: HRC-I (13 ksec) Target: NGC4261
For the weekend:
2025:088:13:24:16 Obsid: 30866 SI: ACIS-S (14 ksec) Target: Gaia DR2 168774
2025:088:18:03:09 Obsid: 28854 SI: ACIS-I (27 ksec) Target: A1550
2025:089:02:21:23 Obsid: 30865 SI: ACIS-S (5 ksec) Target: 2MASS J18352154
2025:089:04:16:47 Obsid: 30109 SI: ACIS-I (25 ksec) Target: PSR J1101-6101
2025:089:11:52:24 Obsid: 30864 SI: ACIS-I (11 ksec) Target: UGC 06850
2025:089:15:36:17 Obsid: 30872 SI: ACIS-S (16 ksec) Target: B2.3 0408+34A
2025:089:20:20:03 Grating: HETG
2025:089:20:22:06 RADMON Disable
NOTES/ISSUES/PROBLEMS
---------------------
From the 9am status meeting:
3 Supports Completed in the last 24 hours (Total time: 6 hours)
4 SSR dumps.
Radiation:
Solar activity is expected to be low with a chance for M-class flares on days
one, two, and three (28 Mar, 29 Mar, 30 Mar).
MP:
Mar3125 loads out for review, due at 1.
ENG:
No issues, There will be activities over the weekend to patch the
flight software attitude rate monitor.
GOT:
No issues.
Quick look data:
----------------
OBSID Target Instr Grat
----- ------ ----- ----
30106 PSR J1101-6101 ACIS-I NONE
30871 EP J120944.2+585060 HRC-I NONE
30530 4U 1626-67 ACIS-S HETG
30782 NGC2090 ACIS-S NONE
30863 SDSSJ115741.94-032106.1 ACIS-S NONE
30648 HD 284785 HRC-I NONE
Next Comms:
-----------
Support (GMT) BOT EOT Station Site Track time (local)
--------------- ---- ---- --------- --------- -------------------------
087/1355-1555 1440 1540 DSS-24 GOLDSTONE 1040-1140 EDT, Fri 28 Mar
088/0030-0230 0115 0215 DSS-65 MADRID 2115-2215 EDT, Fri 28 Mar
088/0935-1135 1020 1120 DSS-26 GOLDSTONE 0620-0720 EDT, Sat 29 Mar
088/1730-1930 1815 1915 DSS-36 CANBERRA 1415-1515 EDT, Sat 29 Mar
089/0130-0330 0215 0315 DSS-65 MADRID 2215-2315 EDT, Sat 29 Mar
089/1015-1215 1100 1200 DSS-26 GOLDSTONE 0700-0800 EDT, Sun 30 Mar
089/1645-1845 1730 1830 DSS-34 CANBERRA 1330-1430 EDT, Sun 30 Mar
090/0200-0400 0245 0345 DSS-24 GOLDSTONE 2245-2345 EDT, Sun 30 Mar
090/0940-1140 1025 1125 DSS-26 GOLDSTONE 0625-0725 EDT, Mon 31 Mar
090/1305-1505 1350 1450 DSS-24 GOLDSTONE 0950-1050 EDT, Mon 31 Mar
SNAPSHOT summary:
-----------------
UTC 2025:087:03:28:01 (Mar28) f_ACE 3.59e+02 F_CRM 2.29e+05 Kp 1.7 R km 82229D
OBT 2025:087:03:25:39 CTUVCDU 7965183 OBC s/w NRML FMT2_NORM CPEstat NORM
OBT 859519539.54 ONLVCDU 7965176 OBC Errs 0
OBSID 30037 EPState SUN
SIM TTpos 75623 HETG Angle 77.59 PCADMODE NPNT RA 197.852 Bus V 26.95
SIM FApos -467 LETG Angle 76.09 PCONTROL NPNT Dec 18.717 Bus I 21.60
AOFSTAR GUID Roll 149.999
ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF
ACA ImFunc TTTTTTTT Dith Yang 4.68 Yaw Rate -0.09 HRC-S HV OFF
ACA CCD Temp -4.0 Dith Zang 14.60 Pitch Rate -0.01 SHLD HV 0.0
ACA Int Time 1.698 Roll Rate 0.01 EVT RT 4844
AOACSTAT OK FSS SunBeta NSUN SHLD RT 0
FSS Alfa -49.57 Batt 1 SOC 100.00%
Avg HRMA Temp 74.32 FSS Beta -49.72 Batt 2 SOC 100.00% A -15 V -0.62
Avg OBA Temp 88.04 SA Resolv 155.81 Batt 3 SOC 100.00% A +15 V 2.81
OBA Tavg Fault NFLT SA Sun Pres ILLM A +5 V 4.84
OBA Trng Fault NFLT +Y SA Amps 10.83 A +24 V 0.00
HRMA power 29.90 SCS 128 INAC -Y SA Amps 10.63
OBA power 0.00 SCS 129 ACT +Y SA Temp 114.81
SCS 130 ACT -Y SA Temp 113.89 ACIS Stat7-0 6
Roll Mom. 7.068 SCS 131 INAC Cold Rad -118.
Pitch Mom. -7.842 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -77.1
Yaw Mom. 14.632 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB
PMTANKP 134.145 SCS 107 INAC EPH temp 172.61
UpLCmdAcc 58278
IRU2G2 curr 115.20 M Unload MON Cmd Rej A 96
IRU2G1 curr 96.00 Roll Bias 1.7804 TSC Move STOP
Prop. line 03 136.33 Pitch Bias -3.9266 FA Move STOP CTX A PWR 36.38
Prop. line 04 129.74 Yaw Bias -1.7955 OTG Move DISA CTX A Volts 3.52
UTC 2025:087:12:59:01 (Mar28) f_ACE 3.64e+02 F_CRM 6.98e+02 Kp 1.7 R km 34362A
Currently scheduled FPSI, OTG : HRC-S HETG
Estimated Kp : 1.7
ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 3.63e+02
GOES-R P4 flux, in RADMON P4GM units : 0.040
GOES-R P7 flux, in RADMON P41GM units : 0.006
GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 529.0
Orbit Start Time : 0.000
Geocentric Distance (km), Orbit Leg : 33372 A
CRM Region : 3 (Magnetosphere)
External Proton Flux (p/cm^2-s-sr-MeV) : 7.4200e+02
Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.0000e+00
External Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.2260e+05
Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 6.9850e+02