See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9686. Start at 027:14:00 GMT PLAN ---- Finish: Obsid: 32109 SI: HRC-S (6 ksec) Target: X-ray blank sky Then: 2026:027:22:17:38 Obsid: 32131 SI: ACIS-S (13 ksec) Target: ZwCl 0857.9+210 2026:028:02:38:42 Obsid: 30514 SI: ACIS-I (13 ksec) Target: PSZ2G071.21+28. 2026:028:07:01:59 Obsid: 30294 SI: ACIS-I (41 ksec) Target: Perseus cluster NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 7 hours) 3 SSR dumps Radiation: Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (27 Jan, 28 Jan, 29 Jan). MP: Next set of loads in work. ENG: No issues. GOT: There was an issue with DSS-65 last night, a workaround was identified, no impact. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 31463 Hercules A ACIS-S NONE 32130 ZwCl 0857.9+2107 ACIS-S NONE 31286 2MASX J13435300+8035495 ACIS-S NONE 30390 ZwCl 0857.9+2107 ACIS-S NONE 32124 GRB260114A ACIS-S NONE 29848 GRB260114A ACIS-S NONE 32128 Gaia DR2 675007406816259712 ACIS-S NONE 30107 PSR J1101-6101 ACIS-I NONE 32123 ZwCl 0857.9+2107 ACIS-S NONE 32116 NGC5728 ACIS-S NONE 32114 SN2025sei ACIS-S NONE 32110 UGC 05086 ACIS-I NONE 30168 NGC4496A ACIS-S NONE 32113 SN2025sei ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 028/0220-0420 0305 0405 DSS-65 MADRID 2205-2305 EST, Tue 27 Jan 028/1105-1305 1150 1250 DSS-24 GOLDSTONE 0650-0750 EST, Wed 28 Jan 028/1900-2100 1945 2045 DSS-26 GOLDSTONE 1445-1545 EST, Wed 28 Jan SNAPSHOT summary: ----------------- UTC 2026:027:15:45:02 (Jan27) f_ACE 2.44e+01 F_CRM 7.64e+07 Kp 0.7 R km 142600A OBT 2026:027:15:42:15 CTUVCDU 10311423 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 885915735.07 ONLVCDU 10311416 OBC Errs 0 OBSID 30183 EPState SUN SIM TTpos -57076 HETG Angle 77.59 PCADMODE NMAN RA 241.021 Bus V 26.64 SIM FApos -1060 LETG Angle 76.09 PCONTROL NPNT Dec -48.155 Bus I 22.88 AOFSTAR GUID Roll 91.236 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc SSSSSSSS Dith Yang -15.75 Yaw Rate 21.91 HRC-S HV OFF ACA CCD Temp -7.7 Dith Zang -5.91 Pitch Rate -44.77 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -1.21 EVT RT 3314 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa 1.23 Batt 1 SOC 100.00% Avg HRMA Temp 74.97 FSS Beta 27.41 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 82.09 SA Resolv 61.79 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 11.41 A +24 V 0.00 HRMA power 29.90 SCS 128 ACT -Y SA Amps 11.21 OBA power 0.00 SCS 129 ACT +Y SA Temp 116.22 SCS 130 ACT -Y SA Temp 115.49 ACIS Stat7-0 6 Roll Mom. -11.940 SCS 131 ACT Cold Rad -120. Pitch Mom. 4.940 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 1.774 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 148.534 SCS 107 INAC EPH temp 178.27 UpLCmdAcc 6949 IRU2G2 curr 120.00 M Unload MON Cmd Rej A 52 IRU2G1 curr 96.00 Roll Bias 1.9668 TSC Move MOVE Prop. line 03 172.34 Pitch Bias -4.1437 FA Move STOP CTX A PWR 36.27 Prop. line 04 136.33 Yaw Bias -1.8194 OTG Move DISA CTX A Volts 3.52 UTC 2026:027:18:22:02 (Jan27) f_ACE 4.33e+01 F_CRM 7.68e+07 Kp 1.7 R km 144909A Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 1.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 4.94e+01 GOES-R P4 flux, in RADMON P4GM units : 1.69e-01 GOES-R P7 flux, in RADMON P41GM units : 0.00e+00 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 9.41e+03 Orbit Start Time : 2026:026:14:23:39 Geocentric Distance (km), Orbit Leg : 144894 A CRM Region : 1 (Solar_Wind) External Proton Flux (p/cm^2-s-sr-MeV) : 4.9400e+01 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 4.9400e+01 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.5557e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 7.6830e+07