See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9409. Start at 115:13:46 GMT PLAN ---- Finish: Obsid: 29611 SI: ACIS-S, LETG Target: MKN421 Then: 2025:115:14:15:50 Grating: NONE 2025:115:14:39:24 Obsid: 30906 SI: ACIS-S (18 ksec) Target: SDSSJ133526.00- 2025:115:20:18:59 Obsid: 29975 SI: ACIS-S (11 ksec) Target: SDSS J093808.00 2025:115:23:51:09 Obsid: 28302 SI: ACIS-S (24 ksec) Target: Abell 1885 2025:116:06:42:34 Grating: HETG 2025:116:06:44:37 RADMON Disable For the weekend: 2025:116:15:41:57 Grating: NONE 2025:116:16:00:36 RADMON Enable 2025:116:16:22:54 Obsid: 28240 SI: ACIS-S (3 ksec) Target: SDSS J222726.66 2025:116:17:46:57 Obsid: 28140 SI: ACIS-S (5 ksec) Target: IGR J17163-2155 2025:116:19:44:19 Obsid: 28814 SI: ACIS-I (7 ksec) Target: PSZ2G037.05-70. 2025:116:22:15:01 Obsid: 30149 SI: ACIS-S (50 ksec) Target: NGC1809 2025:117:12:50:46 Obsid: 30912 SI: HRC-I (11 ksec) Target: HE 1353-1917 2025:117:16:36:25 Obsid: 29763 SI: ACIS-S (1 ksec) Target: 1eRASS J132337. 2025:117:17:26:58 Obsid: 29105 SI: ACIS-S (5 ksec) Target: 2MASX J11335602 2025:117:19:15:35 Obsid: 28251 SI: ACIS-S (4 ksec) Target: SDSS J134627.56 2025:117:20:47:32 Obsid: 30565 SI: ACIS-I (13 ksec) Target: A1550 2025:118:00:47:15 Obsid: 30527 SI: ACIS-S (18 ksec) Target: SDSS J092913.96 2025:118:06:31:20 Obsid: 30113 SI: ACIS-S (10 ksec) Target: GW170817 2025:118:10:11:16 Obsid: 30145 SI: ACIS-S (19 ksec) Target: NGC1317 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 2 Supports Completed in the last 24 hours (Total time: 4 hours) 2 SSR dumps Radiation: Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (25 Apr, 26 Apr, 27 Apr). MP: APR2825A command loads approved. ENG: IRU and GYRO update at 1:30 comm, plus OBC memory dump. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30445 HE 1353-1917 HRC-I NONE 30909 NGC 2440 HRC-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 115/1655-1835 1730 1820 DSS-26 GOLDSTONE 1330-1420 EDT, Fri 25 Apr 116/0055-0300 0145 0245 DSS-65 MADRID 2145-2245 EDT, Fri 25 Apr 116/1605-1805 1650 1750 DSS-54 MADRID 1250-1350 EDT, Sat 26 Apr 117/0145-0345 0230 0330 DSS-65 MADRID 2230-2330 EDT, Sat 26 Apr 117/0945-1145 1030 1130 DSS-26 GOLDSTONE 0630-0730 EDT, Sun 27 Apr 117/1635-1835 1720 1820 DSS-36 CANBERRA 1320-1420 EDT, Sun 27 Apr 118/0130-0330 0215 0315 DSS-65 MADRID 2215-2315 EDT, Sun 27 Apr 118/1235-1435 1320 1420 DSS-24 GOLDSTONE 0920-1020 EDT, Mon 28 Apr 118/2010-2210 2055 2155 DSS-34 CANBERRA 1655-1755 EDT, Mon 28 Apr SNAPSHOT summary: ----------------- UTC 2025:115:10:44:01 (Apr25) f_ACE 9.35e+01 F_CRM 2.48e+04 Kp 0.0 R km 146557D OBT 2025:115:10:40:45 CTUVCDU 730623 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 861964845.50 ONLVCDU 730616 OBC Errs 0 OBSID 29611 EPState SUN SIM TTpos 72103 HETG Angle 77.59 PCADMODE NPNT RA 166.137 Bus V 26.95 SIM FApos -467 LETG Angle 4.09 PCONTROL NPNT Dec 38.257 Bus I 24.69 AOFSTAR GUID Roll 229.662 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -5.55 Yaw Rate -0.24 HRC-S HV OFF ACA CCD Temp -3.6 Dith Zang 28.89 Pitch Rate -0.26 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.02 EVT RT 6374 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa 0.25 Batt 1 SOC 100.00% Avg HRMA Temp 73.68 FSS Beta -22.84 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 90.00 SA Resolv 113.15 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 12.37 A +24 V 0.00 HRMA power 72.50 SCS 128 ACT -Y SA Amps 11.98 OBA power 35.10 SCS 129 ACT +Y SA Temp 112.04 SCS 130 ACT -Y SA Temp 111.12 ACIS Stat7-0 6 Roll Mom. 2.514 SCS 131 ACT Cold Rad -120. Pitch Mom. -4.250 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 3.047 SCS 133 INAC EIO Temp 0.0000 RadMon ENAB PMTANKP 137.343 SCS 107 INAC EPH temp 164.13 UpLCmdAcc 51553 IRU2G2 curr 117.60 M Unload MON Cmd Rej A 104 IRU2G1 curr 96.00 Roll Bias 1.8086 TSC Move STOP Prop. line 03 162.13 Pitch Bias -3.9590 FA Move STOP CTX B PWR 36.96 Prop. line 04 148.52 Yaw Bias -1.8057 OTG Move DISA CTX B Volts 3.54 UTC 2025:115:13:46:02 (Apr25) f_ACE 7.08e+01 F_CRM 3.83e+04 Kp 0.7 R km 142322D Currently scheduled FPSI, OTG : ACIS-S LETG Estimated Kp : 0.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 7.08e+01 GOES-R P4 flux, in RADMON P4GM units : 0.000 GOES-R P7 flux, in RADMON P41GM units : 0.014 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 583.0 Orbit Start Time : 0.020 Geocentric Distance (km), Orbit Leg : 142379 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 2.5378e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.2689e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 7.6135e+04 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.8320e+04