See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9643. Start at 349:14:00 GMT PLAN ---- Finish: Obsid: 31116 SI: ACIS-S (19 ksec) Target: ZTF J0546+3843 Then: 2025:349:15:56:41 Obsid: 31160 SI: ACIS-S (15 ksec) Target: GRB 221009A 2025:349:20:50:49 Obsid: 32052 SI: ACIS-I (10 ksec) Target: HEP G173.810-01 2025:350:00:21:38 Obsid: 31593 SI: ACIS-S (15 ksec) Target: GRB 221009A 2025:350:05:14:04 Obsid: 32051 SI: ACIS-I (10 ksec) Target: HEP G173.766-01 2025:350:08:44:50 Obsid: 32057 SI: ACIS-S (15 ksec) Target: GRB 221009A 2025:350:13:32:12 Obsid: 30289 SI: ACIS-I (10 ksec) Target: Perseus cluster NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 7 Supports Completed over the weekend (Total time: 15.2 hours) 8 SSR dumps. Loads good through: 2025:353:09:41:12.000 DSN DR's Created: DR Number | Station| Problem| Cause| Action --- |--- |--- |--- |--- [N113775] |DSS-56 | 3 minute loss of telemetry and commanding | External Comm failure at JPL| Comms and binds were reset Radiation: Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (15 Dec, 16 Dec, 17 Dec). MP: No issues. ENG: looking at the cal curve for the FSS bracket to account for thermal caution violation. GOT: FST maintenance window tomorrow. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 32040 Center of COSMOS-Web ACIS-I NONE 30312 Perseus cluster ACIS-I NONE 32043 Perseus cluster ACIS-I NONE 30255 Center of COSMOS-Web ACIS-I NONE 31285 2MASX J17345436+5045210 ACIS-S NONE 32042 Perseus cluster ACIS-I NONE 32037 EXO 0748-676 ACIS-S NONE 30299 Perseus cluster ACIS-I NONE 30050 EXO 0748-676 ACIS-S NONE 32039 NGC4548 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 349/1705-1900 1750 1845 DSS-54 MADRID 1250-1345 EST, Mon 15 Dec 350/0030-0230 0115 0215 DSS-24 GOLDSTONE 2015-2115 EST, Mon 15 Dec 350/1530-1800 1615 1745 DSS-65 MADRID 1115-1245 EST, Tue 16 Dec SNAPSHOT summary: ----------------- UTC 2025:349:12:23:01 (Dec15) f_ACE 9.75e+00 F_CRM 2.91e+07 Kp 0.7 R km 70227A OBT 2025:349:12:20:40 CTUVCDU 12543103 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 882188440.98 ONLVCDU 12543096 OBC Errs 0 OBSID 31116 EPState SUN SIM TTpos 75623 HETG Angle 77.59 PCADMODE NPNT RA 86.647 Bus V 26.64 SIM FApos -467 LETG Angle 75.71 PCONTROL NPNT Dec 38.727 Bus I 21.34 AOFSTAR GUID Roll 169.980 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -6.56 Yaw Rate 0.16 HRC-S HV OFF ACA CCD Temp -3.6 Dith Zang 10.29 Pitch Rate -0.13 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.31 EVT RT 4589 AOACSTAT OK FSS SunBeta NSUN SHLD RT 0 FSS Alfa -49.57 Batt 1 SOC 100.00% Avg HRMA Temp 75.30 FSS Beta -49.72 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 87.40 SA Resolv 164.01 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 10.63 A +24 V 0.00 HRMA power 0.00 SCS 128 ACT -Y SA Amps 10.44 OBA power 35.10 SCS 129 ACT +Y SA Temp 117.68 SCS 130 ACT -Y SA Temp 116.95 ACIS Stat7-0 6 Roll Mom. 6.015 SCS 131 ACT Cold Rad -118. Pitch Mom. 3.584 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 7.840 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 148.534 SCS 107 INAC EPH temp 175.44 UpLCmdAcc 46101 IRU2G2 curr 120.00 M Unload MON Cmd Rej A 198 IRU2G1 curr 96.00 Roll Bias 1.9610 TSC Move STOP Prop. line 03 129.74 Pitch Bias -4.1263 FA Move STOP CTX A PWR 36.32 Prop. line 04 131.94 Yaw Bias -1.8310 OTG Move DISA CTX A Volts 3.52 UTC 2025:349:13:58:01 (Dec15) f_ACE 7.93e+00 F_CRM 2.91e+07 Kp 0.7 R km 81208A Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 0.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 7.59e+00 GOES-R P4 flux, in RADMON P4GM units : 0.00e+00 GOES-R P7 flux, in RADMON P41GM units : 8.35e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 4.03e+02 Orbit Start Time : 2025:349:06:49:37 Geocentric Distance (km), Orbit Leg : 80691 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.0126e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.0126e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.7055e+07 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.9124e+07