See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9542. Start at 248:13:02 GMT PLAN ---- Start in radiation zone Then: 2025:248:23:10:17 Grating: NONE 2025:248:23:25:24 RADMON Enable 2025:248:23:47:42 Obsid: 31468 SI: ACIS-S (40 ksec) Target: GRB 250702B 2025:249:11:23:12 Obsid: 29745 SI: ACIS-S (10 ksec) Target: AT2025ulz For the weekend: 2025:249:15:41:14 Obsid: 28628 SI: ACIS-I (30 ksec) Target: Abell 370 2025:250:00:43:39 Obsid: 31480 SI: HRC-I (10 ksec) Target: G29-38 2025:250:04:26:33 Obsid: 31484 SI: ACIS-S (25 ksec) Target: AT2025ulz 2025:250:12:02:36 Obsid: 31486 SI: ACIS-S (16 ksec) Target: WISE J2246-0526 2025:250:17:08:18 Obsid: 31485 SI: ACIS-S (15 ksec) Target: AT2025ulz NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 5.7 hours) 3 SSR dumps Radiation (Solar Activity): Solar activity is likely to be moderate with a slight chance for an X-class flare on days one and two (05 Sep, 06 Sep) and expected to be low with a chance for M-class flares on day three (07 Sep). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to minor storm levels on days one and two (05 Sep, 06 Sep) and quiet to active levels on day three (07 Sep). Protons greater than 10 Mev have a slight chance of crossing threshold on days one and two (05 Sep, 06 Sep). MP: No issues. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 31477 SDSSJ095613.48+545905.8 ACIS-S NONE 31479 NGC1385 ACIS-S NONE 28339 G29-38 HRC-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 248/1150-1350 1235 1335 DSS-36 CANBERRA 0835-0935 EDT, Fri 5 Sep 248/1740-1900 1815 1845 DSS-34 CANBERRA 1415-1445 EDT, Fri 5 Sep 249/0210-0345 0245 0330 DSS-26 GOLDSTONE 2245-2330 EDT, Fri 5 Sep 249/1010-1205 1055 1150 DSS-56 MADRID 0655-0750 EDT, Sat 6 Sep 249/1650-1850 1735 1835 DSS-65 MADRID 1335-1435 EDT, Sat 6 Sep 250/0130-0330 0215 0315 DSS-24 GOLDSTONE 2215-2315 EDT, Sat 6 Sep 250/1235-1435 1320 1420 DSS-56 MADRID 0920-1020 EDT, Sun 7 Sep 250/1810-2010 1855 1955 DSS-54 MADRID 1455-1555 EDT, Sun 7 Sep 251/0215-0415 0300 0400 DSS-26 GOLDSTONE 2300-0000 EDT, Sun 7 Sep 251/1930-2200 2015 2145 DSS-56 MADRID 1615-1745 EDT, Mon 8 Sep SNAPSHOT summary: ----------------- UTC 2025:248:13:02:02 (Sep 5) f_ACE 2.92e+02 F_CRM 5.65e+02 Kp 1.3 R km 66163D OBT 2025:248:13:01:33 CTUVCDU 12052863 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 873464493.20 ONLVCDU 12052856 OBC Errs 0 OBSID 42154 EPState SUN SIM TTpos -99616 HETG Angle 5.96 PCADMODE NPNT RA 349.257 Bus V 27.11 SIM FApos -467 LETG Angle 76.09 PCONTROL NPNT Dec -5.078 Bus I 23.91 AOFSTAR GUID Roll 108.313 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 12.75 Yaw Rate 0.11 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang 2.64 Pitch Rate 0.19 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.06 EVT RT 4844 AOACSTAT OK FSS SunBeta NSUN SHLD RT 0 FSS Alfa -49.57 Batt 1 SOC 100.00% Avg HRMA Temp 72.92 FSS Beta -49.72 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 70.35 SA Resolv 174.38 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 11.98 A +24 V 0.00 HRMA power 71.00 SCS 128 ACT -Y SA Amps 11.60 OBA power 0.00 SCS 129 ACT +Y SA Temp 111.43 SCS 130 INAC -Y SA Temp 110.20 ACIS Stat7-0 6 Roll Mom. 3.086 SCS 131 ACT Cold Rad -115. Pitch Mom. -1.759 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. 2.061 SCS 133 INAC EIO Temp 0.0000 RadMon DISA PMTANKP 148.534 SCS 107 INAC EPH temp 141.50 UpLCmdAcc 13285 IRU2G2 curr 117.60 M Unload MON Cmd Rej A 221 IRU2G1 curr 96.00 Roll Bias 1.8942 TSC Move STOP Prop. line 03 87.74 Pitch Bias -4.0538 FA Move STOP CTX B PWR 36.96 Prop. line 04 81.63 Yaw Bias -1.8172 OTG Move DISA CTX B Volts 3.54 UTC 2025:248:13:02:02 (Sep 5) f_ACE 2.92e+02 F_CRM 5.65e+02 Kp 1.3 R km 66163D Currently scheduled FPSI, OTG : HRC-S HETG Estimated Kp : 1.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.92e+02 GOES-R P4 flux, in RADMON P4GM units : 0.059 GOES-R P7 flux, in RADMON P41GM units : 0.008 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 295.0 Orbit Start Time : 0.157 Geocentric Distance (km), Orbit Leg : 66554 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 5.6131e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.0000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.6839e+05 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 5.6531e+02