See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9532. Start at 238:16:01 GMT PLAN ---- Finish: Obsid: 28621 SI: ACIS-I (58 ksec) Target: Abell 370 Then: 2025:239:03:20:04 Obsid: 30035 SI: ACIS-S (12 ksec) Target: ACT-CL J2335.6- 2025:239:07:22:29 Obsid: 30458 SI: HRC-I (14 ksec) Target: Eta Car 2025:239:12:01:26 Obsid: 31470 SI: ACIS-I (14 ksec) Target: SPT-CL J2305-22 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 5.9 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, two, and three (26 Aug, 27 Aug, 28 Aug). Proton levels are slightly elevated, streaming past earth close to the S1 rad storm threshold. We will continue to monitor AR 4197 and AR 4199 for activity following three >M3 flare events since sunday. Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to active levels on day one (26 Aug) and quiet to unsettled levels on days two and three (27 Aug, 28 Aug). Protons greater than 10 Mev are expected to cross threshold on day one (26 Aug). MP: No issues. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30853 PSR J0901-4046 ACIS-S NONE 31034 Eta Car HRC-I NONE 28856 SPT-CL J2305-2248 ACIS-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 238/1945-2145 2030 2130 DSS-54 MADRID 1630-1730 EDT, Tue 26 Aug 239/0055-0255 0140 0240 DSS-54 MADRID 2140-2240 EDT, Tue 26 Aug 239/1255-1455 1340 1440 DSS-56 MADRID 0940-1040 EDT, Wed 27 Aug 239/2310-0110 2355 0055 DSS-56 MADRID 1955-2055 EDT, Wed 27 Aug SNAPSHOT summary: ----------------- UTC 2025:238:12:13:02 (Aug26) f_ACE 1.55e+02 F_CRM 1.48e+05 Kp 1.3 R km 80960A OBT 2025:238:12:10:25 CTUVCDU 8669183 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 872597425.19 ONLVCDU 8669176 OBC Errs 0 OBSID 28621 EPState SUN SIM TTpos 92903 HETG Angle 77.59 PCADMODE NPNT RA 39.978 Bus V 27.26 SIM FApos -535 LETG Angle 76.09 PCONTROL NPNT Dec -1.605 Bus I 21.86 AOFSTAR GUID Roll 95.000 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -15.48 Yaw Rate -0.06 HRC-S HV OFF ACA CCD Temp -8.8 Dith Zang 15.13 Pitch Rate 0.10 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.22 EVT RT 6374 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa 5.44 Batt 1 SOC 100.00% Avg HRMA Temp 73.14 FSS Beta -25.42 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 78.23 SA Resolv 114.85 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 11.02 A +24 V 0.00 HRMA power 41.10 SCS 128 ACT -Y SA Amps 10.63 OBA power 0.00 SCS 129 ACT +Y SA Temp 110.82 SCS 130 ACT -Y SA Temp 110.20 ACIS Stat7-0 6 Roll Mom. -0.973 SCS 131 INAC Cold Rad -118. Pitch Mom. -4.408 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 0.836 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 148.534 SCS 107 INAC EPH temp 132.03 UpLCmdAcc 55690 IRU2G2 curr 122.40 M Unload MON Cmd Rej A 229 IRU2G1 curr 93.60 Roll Bias 1.8848 TSC Move STOP Prop. line 03 125.35 Pitch Bias -4.0399 FA Move STOP CTX B PWR 36.96 Prop. line 04 116.70 Yaw Bias -1.8193 OTG Move DISA CTX B Volts 3.54 UTC 2025:238:16:01:01 (Aug26) f_ACE 4.27e+02 F_CRM 1.30e+05 Kp 0.7 R km 102677A Currently scheduled FPSI, OTG : ACIS-I NONE Estimated Kp : 0.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 4.27e+02 GOES-R P4 flux, in RADMON P4GM units : 9.669 GOES-R P7 flux, in RADMON P41GM units : 0.092 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 196.0 Orbit Start Time : 8.943 Geocentric Distance (km), Orbit Leg : 102511 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 4.3188e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 4.3188e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.2956e+05 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.3002e+05