See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9681. Start at 022:14:00 GMT PLAN ---- Finish: Obsid: 31733 SI: ACIS-S (15 ksec) Target: MKN421 Then: 2026:022:21:19:21 Grating: LETG 2026:022:21:49:18 Obsid: 32121 SI: ACIS-S (15 ksec) Target: MKN421 2026:023:02:27:56 Grating: NONE 2026:023:02:58:20 Obsid: 32120 SI: ACIS-I (15 ksec) Target: SDSS J014837.63 2026:023:08:39:43 Obsid: 32122 SI: ACIS-S (10 ksec) Target: ZwCl 0857.9+210 2026:023:12:07:54 Obsid: 32113 SI: ACIS-S (10 ksec) Target: SN2025sei 2026:023:14:59:05 Grating: HETG 2026:023:15:01:08 RADMON Disable NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 2 Supports Completed in the last 24 hours (Total time: 5 hours) 2 SSR dumps. Radiation: Solar activity is likely to be moderate with a slight chance for an X-class flare on days one, two, and three (22 Jan, 23 Jan, 24 Jan). MP: Jan26 Loads out for review today ENG: No issues. GOT/FST: OCC took a public power hit this morning. UPS systems are fine, check your non-ups systems. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- None Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 023/0340-0540 0425 0525 DSS-65 MADRID 2325-0025 EST, Thu 22 Jan 023/1300-1500 1345 1445 DSS-26 GOLDSTONE 0845-0945 EST, Fri 23 Jan 023/2155-2355 2240 2340 DSS-54 MADRID 1740-1840 EST, Fri 23 Jan SNAPSHOT summary: ----------------- UTC 2026:022:13:14:01 (Jan22) f_ACE 1.66e+03 F_CRM 1.90e+08 Kp 2.3 R km 145729A OBT 2026:022:13:11:13 CTUVCDU 8590207 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 885474673.46 ONLVCDU 8590200 OBC Errs 0 OBSID 31733 EPState SUN SIM TTpos 74400 HETG Angle 77.59 PCADMODE NPNT RA 166.133 Bus V 26.48 SIM FApos -467 LETG Angle 4.09 PCONTROL NPNT Dec 38.165 Bus I 22.88 AOFSTAR GUID Roll 117.988 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -3.08 Yaw Rate -0.05 HRC-S HV OFF ACA CCD Temp -4.0 Dith Zang -54.58 Pitch Rate 0.01 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.02 EVT RT 6374 AOACSTAT OK FSS SunBeta NSUN SHLD RT 0 FSS Alfa -12.95 Batt 1 SOC 100.00% Avg HRMA Temp 75.62 FSS Beta -49.68 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 87.72 SA Resolv 140.08 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 11.79 A +24 V 0.00 HRMA power 31.50 SCS 128 ACT -Y SA Amps 11.02 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. -0.797 SCS 131 ACT Cold Rad -118. Pitch Mom. 14.429 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. 9.889 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 150.132 SCS 107 INAC EPH temp 178.27 UpLCmdAcc 58761 IRU2G2 curr 124.80 M Unload MON Cmd Rej A 7 IRU2G1 curr 96.00 Roll Bias 1.9655 TSC Move STOP Prop. line 03 158.73 Pitch Bias -4.1440 FA Move STOP CTX A PWR 36.32 Prop. line 04 131.94 Yaw Bias -1.8146 OTG Move DISA CTX A Volts 3.52 UTC 2026:022:17:09:02 (Jan22) f_ACE 1.07e+03 F_CRM 1.99e+08 Kp 1.7 R km 145269D Currently scheduled FPSI, OTG : ACIS-S LETG Estimated Kp : 1.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.05e+03 GOES-R P4 flux, in RADMON P4GM units : 7.12e+00 GOES-R P7 flux, in RADMON P41GM units : 1.41e-02 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 4.10e+03 Orbit Start Time : 2026:021:07:27:44 Geocentric Distance (km), Orbit Leg : 145298 D CRM Region : 1 (Solar_Wind) External Proton Flux (p/cm^2-s-sr-MeV) : 2.0500e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.0250e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 7.9633e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.9874e+08