See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9729. Start at 070:13:00 GMT PLAN ---- Finish: Obsid: 31123 SI: ACIS-S (30 ksec) Target: SNR 1987A Then: 2026:070:14:55:42 Obsid: 32221 SI: ACIS-S (29 ksec) Target: SNR 1987A 2026:070:23:26:00 Grating: NONE 2026:070:23:57:17 Obsid: 32213 SI: ACIS-S (18 ksec) Target: SDSS J105432.03 2026:071:05:12:02 Grating: HETG 2026:071:05:14:05 RADMON Disable NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 6 hours) 3 SSR dumps. Radiation (Solar Activity): Solar activity is expected to be low with a slight chance for an M-class flare on days one, two, and three (11 Mar, 12 Mar, 13 Mar). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to active levels on day one (11 Mar) and quiet levels on days two and three (12 Mar, 13 Mar). MP: Working on Mar 16 loads, may be out today. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 32209 Gaia DR2 3308152208457011072 ACIS-S NONE 31149 AT2026dbl ACIS-S NONE 29920 SDSS J105432.03+122851.9 ACIS-S NONE 32216 Perseus cluster N ACIS-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 070/1800-2000 1845 1945 DSS-26 GOLDSTONE 1445-1545 EDT, Wed 11 Mar 071/0215-0415 0300 0400 DSS-56 MADRID 2300-0000 EDT, Wed 11 Mar 071/1150-1350 1235 1335 DSS-36 CANBERRA 0835-0935 EDT, Thu 12 Mar 071/1840-2110 1925 2055 DSS-56 MADRID 1525-1655 EDT, Thu 12 Mar SNAPSHOT summary: ----------------- UTC 2026:070:10:58:02 (Mar11) f_ACE 8.72e+00 F_CRM 5.30e+07 Kp 1.0 R km 141648D OBT 2026:070:10:55:38 CTUVCDU 7965439 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 889613738.52 ONLVCDU 7965432 OBC Errs 0 OBSID 31123 EPState SUN SIM TTpos 75624 HETG Angle 5.59 PCADMODE NPNT RA 83.866 Bus V 26.79 SIM FApos -467 LETG Angle 76.09 PCONTROL NPNT Dec -69.246 Bus I 24.17 AOFSTAR GUID Roll 262.999 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 15.85 Yaw Rate 0.17 HRC-S HV OFF ACA CCD Temp -6.6 Dith Zang -8.82 Pitch Rate -0.28 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.12 EVT RT 6374 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa 10.41 Batt 1 SOC 100.00% Avg HRMA Temp 72.92 FSS Beta 2.32 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 87.40 SA Resolv 87.04 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 29.90 SCS 128 ACT -Y SA Amps 11.79 OBA power 0.00 SCS 129 ACT +Y SA Temp 112.66 SCS 130 ACT -Y SA Temp 112.66 ACIS Stat7-0 6 Roll Mom. 2.437 SCS 131 ACT Cold Rad -125. Pitch Mom. -10.258 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -82.0 Yaw Mom. 4.254 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 148.534 SCS 107 INAC EPH temp 149.99 UpLCmdAcc 30926 IRU2G2 curr 124.80 M Unload MON Cmd Rej A 202 IRU2G1 curr 93.60 Roll Bias 1.9925 TSC Move STOP Prop. line 03 172.34 Pitch Bias -4.1728 FA Move STOP CTX A PWR 36.27 Prop. line 04 168.93 Yaw Bias -1.8254 OTG Move DISA CTX A Volts 3.52 UTC 2026:070:12:59:01 (Mar11) f_ACE 7.95e+00 F_CRM 5.31e+07 Kp 1.0 R km 138834D Currently scheduled FPSI, OTG : ACIS-S HETG Estimated Kp : 1.0 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 8.07e+00 GOES-R P4 flux, in RADMON P4GM units : 0.00e+00 GOES-R P7 flux, in RADMON P41GM units : 5.59e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 1.26e+03 Orbit Start Time : 2026:068:21:54:18 Geocentric Distance (km), Orbit Leg : 138970 D CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 6.5259e+01 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.3052e+01 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.7497e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 5.3065e+07