See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9687. Start at 028:14:00 GMT PLAN ---- Finish: Obsid: 30294 SI: ACIS-I (41 ksec) Target: Perseus cluster Then: 2026:028:19:14:07 Obsid: 32125 SI: ACIS-S (9 ksec) Target: NGC 2622 2026:028:21:56:46 Grating: HETG 2026:028:21:58:49 RADMON Disable 2026:029:09:47:04 Grating: NONE 2026:029:09:58:48 RADMON Enable 2026:029:10:21:06 Obsid: 32132 SI: ACIS-S (13 ksec) Target: ZwCl 0857.9+210 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 2 Supports Completed in the last 24 hours (Total time: 4 hours) 1 SSR dumps. Loads good through: 2026:031:22:40:02. CAP's / Procedures Run: CAP # | Time | Title / Description / Notes [1800] | 027/1409z | HRC-S Diagnostic Restart Radiation: Solar activity is expected to be low with a chance for M-class flares on days one and two (28 Jan, 29 Jan) and expected to be low with a slight chance for an M-class flare on day three (30 Jan). MP: Feb02 loads in work. ENG: CAP 1800 ran to completion, there are two additional CAP reviews today. GOT/FST: UPS maintainance tomorrow. 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 Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 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 029/0450-0650 0535 0635 DSS-26 GOLDSTONE 0035-0135 EST, Thu 29 Jan 029/1930-2110 2015 2055 DSS-24 GOLDSTONE 1515-1555 EST, Thu 29 Jan SNAPSHOT summary: ----------------- UTC 2026:028:12:53:02 (Jan28) f_ACE 2.13e+01 F_CRM 7.95e+07 Kp 2.3 R km 121650D OBT 2026:028:12:49:58 CTUVCDU 10608255 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 885991798.22 ONLVCDU 10608248 OBC Errs 0 OBSID 30294 EPState SUN SIM TTpos 92903 HETG Angle 77.59 PCADMODE NPNT RA 49.928 Bus V 26.48 SIM FApos -535 LETG Angle 76.09 PCONTROL NPNT Dec 41.526 Bus I 25.45 AOFSTAR GUID Roll 277.985 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -6.95 Yaw Rate -0.23 HRC-S HV OFF ACA CCD Temp -5.4 Dith Zang 13.48 Pitch Rate -0.08 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.17 EVT RT 3824 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.13 Batt 1 SOC 100.00% Avg HRMA Temp 74.76 FSS Beta -19.11 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 88.20 SA Resolv 108.83 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 12.76 A +24 V 0.00 HRMA power 64.50 SCS 128 ACT -Y SA Amps 12.37 OBA power 0.00 SCS 129 ACT +Y SA Temp 117.32 SCS 130 ACT -Y SA Temp 116.58 ACIS Stat7-0 6 Roll Mom. 10.420 SCS 131 ACT Cold Rad -123. Pitch Mom. -2.098 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 4.533 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 148.534 SCS 107 INAC EPH temp 178.27 UpLCmdAcc 7018 IRU2G2 curr 122.40 M Unload MON Cmd Rej A 59 IRU2G1 curr 96.00 Roll Bias 1.9635 TSC Move STOP Prop. line 03 172.34 Pitch Bias -4.1437 FA Move STOP CTX A PWR 36.32 Prop. line 04 158.73 Yaw Bias -1.8156 OTG Move DISA CTX A Volts 3.52 UTC 2026:028:13:58:01 (Jan28) f_ACE 2.03e+01 F_CRM 7.95e+07 Kp 2.3 R km 117882D Currently scheduled FPSI, OTG : ACIS-I NONE Estimated Kp : 2.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.97e+01 GOES-R P4 flux, in RADMON P4GM units : 8.28e-02 GOES-R P7 flux, in RADMON P41GM units : 8.41e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 3.11e+03 Orbit Start Time : 2026:026:14:23:39 Geocentric Distance (km), Orbit Leg : 118102 D CRM Region : 1 (Solar_Wind) External Proton Flux (p/cm^2-s-sr-MeV) : 1.9700e+01 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.9700e+01 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.5825e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 7.9510e+07