See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9384. Start at 090:13:00 GMT PLAN ---- Finish: Obsid: 28162 SI: ACIS-S (45 ksec) Target: NGC 4102 Then: 2025:090:20:14:51 Obsid: 28732 SI: HRC-I (14 ksec) Target: NGC 2440 2025:091:00:46:10 Obsid: 29994 SI: ACIS-S (5 ksec) Target: M 87 2025:091:02:50:14 Obsid: 30279 SI: ACIS-I (14 ksec) Target: Perseus cluster 2025:091:07:33:12 Obsid: 28319 SI: ACIS-I (7 ksec) Target: PSZ2G284.59+70. 2025:091:10:20:42 Obsid: 30883 SI: ACIS-I (17 ksec) Target: Perseus cluster NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 9 Supports Completed over the weekend (Total time: 18 hours) 10 SSR dumps Loads good through: 2025:094:10:05:54 CAP's: - 1778, 088/0120z, PR-625 Attitude Error Rate Error Monitor Patch Uplink, Apply PR-625 to both OBCs to patch the Attitude Error Rate Error Monitor. - 750AP, 088/1050z, Low Rate Dump of the ONL OBC (XSUM_1) - 750AQ, 088/1834z, Low Rate Dump of the On-line OBC Checksummed Memory (XSUM_2) - 750AR, 089/0234z, Low Rate Dump of the On-line OBC Checksummed Memory (XSUM_3) - 750AS, 089/1122z, Low Rate Dump of the OFL OBC (XSUM_1) - 750AT, 089/1748z, Low Rate Dump of the Off-line OBC Checksummed Memory (XSUM_2) - 750AU, 090/0307z, Low Rate Dump of the Off-line OBC Checksummed Memory (XSUM_3) Radiation: Solar activity is likely to be moderate with a slight chance for an X-class flare on day one (31 Mar) and expected to be low with a chance for M-class flares and a slight chance for an X-class flare on days two and three (01 Apr, 02 Apr). A slight enhancement in the GOES proton rates visible in the HRC proxy is likely due to the X-class flare and CME observed on Friday off the east limb. MP: The next set of loads is in work. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30864 UGC 06850 ACIS-I NONE 30109 PSR J1101-6101 ACIS-I NONE 30865 2MASS J18352154-3123385 ACIS-S NONE 28854 A1550 ACIS-I NONE 28760 NGC4261 HRC-I NONE 30866 Gaia DR2 168774798644094592 ACIS-S NONE 28729 [JDW2009] G359.55+0.16 ACIS-I NONE 28836 4U 1626-67 ACIS-S HETG Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 090/1305-1505 1350 1450 DSS-24 GOLDSTONE 0950-1050 EDT, Mon 31 Mar 091/0130-0330 0215 0315 DSS-65 MADRID 2215-2315 EDT, Mon 31 Mar 091/1100-1300 1145 1245 DSS-54 MADRID 0745-0845 EDT, Tue 1 Apr 091/1705-1905 1750 1850 DSS-36 CANBERRA 1350-1450 EDT, Tue 1 Apr SNAPSHOT summary: ----------------- UTC 2025:090:11:23:01 (Mar31) f_ACE 2.19e+02 F_CRM 1.58e+05 Kp 1.3 R km 91750A OBT 2025:090:11:19:55 CTUVCDU 9087743 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 859807195.57 ONLVCDU 9087736 OBC Errs 0 OBSID 28162 EPState SUN SIM TTpos 75623 HETG Angle 77.59 PCADMODE NPNT RA 181.632 Bus V 27.11 SIM FApos -467 LETG Angle 76.09 PCONTROL NPNT Dec 52.726 Bus I 21.34 AOFSTAR GUID Roll 182.971 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 2.79 Yaw Rate 0.45 HRC-S HV OFF ACA CCD Temp -6.6 Dith Zang 15.99 Pitch Rate 0.23 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.15 EVT RT 5354 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa 6.56 Batt 1 SOC 100.00% Avg HRMA Temp 74.43 FSS Beta -33.19 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 82.89 SA Resolv 122.96 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 29.90 SCS 128 ACT -Y SA Amps 10.44 OBA power 0.00 SCS 129 ACT +Y SA Temp 113.58 SCS 130 ACT -Y SA Temp 112.97 ACIS Stat7-0 6 Roll Mom. -1.469 SCS 131 ACT Cold Rad -118. Pitch Mom. -5.131 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. -2.621 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 145.336 SCS 107 INAC EPH temp 172.61 UpLCmdAcc 3109 IRU2G2 curr 115.20 M Unload MON Cmd Rej A 55 IRU2G1 curr 96.00 Roll Bias 1.7778 TSC Move STOP Prop. line 03 148.52 Pitch Bias -3.9220 FA Move STOP CTX A PWR 36.32 Prop. line 04 127.54 Yaw Bias -1.7967 OTG Move DISA CTX A Volts 3.52 UTC 2025:090:12:55:01 (Mar31) f_ACE 2.59e+02 F_CRM 1.64e+05 Kp 1.3 R km 100315A Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 1.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.59e+02 GOES-R P4 flux, in RADMON P4GM units : 4.389 GOES-R P7 flux, in RADMON P41GM units : 0.014 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 1060.0 Orbit Start Time : 4.059 Geocentric Distance (km), Orbit Leg : 100228 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 5.4481e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 5.4481e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.6344e+05 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.6399e+05