See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9674. Start at 015:14:00 GMT PLAN ---- Finish: Obsid: 32107 SI: ACIS-S (9 ksec) Target: SDSS J081800.19 Then: 2026:015:13:46:44 Obsid: 32107 SI: ACIS-S (9 ksec) Target: SDSS J081800.19 2026:015:16:36:06 Grating: HETG 2026:015:16:38:09 RADMON Disable 2026:016:04:22:19 Grating: NONE 2026:016:04:24:08 RADMON Enable 2026:016:04:51:30 Obsid: 31411 SI: ACIS-I (20 ksec) Target: A1795 2026:016:10:57:59 Obsid: 32101 SI: ACIS-S (11 ksec) Target: NGC2775 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 6 hours) 3 SSR dumps Loads good through: 2026:019:00:52:29 Radiation (Solar Activity): Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (15 Jan, 16 Jan, 17 Jan). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to unsettled levels on day one (15 Jan), quiet levels on day two (16 Jan) and active to minor storm levels on day three (17 Jan). MP: Jan1926A load review today at 1pm. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 31398 MKN421 ACIS-S LETG Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 015/1330-1530 1415 1515 DSS-24 GOLDSTONE 0915-1015 EST, Thu 15 Jan 016/1140-1340 1225 1325 DSS-26 GOLDSTONE 0725-0825 EST, Fri 16 Jan SNAPSHOT summary: ----------------- UTC 2026:015:03:39:01 (Jan15) f_ACE 3.06e+01 F_CRM 1.51e+07 Kp 2.0 R km 132904D OBT 2026:015:03:36:08 CTUVCDU 6095359 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 884835368.58 ONLVCDU 6095352 OBC Errs 0 OBSID 31396 EPState SUN SIM TTpos 75623 HETG Angle 5.59 PCADMODE NPNT RA 187.274 Bus V 26.48 SIM FApos -467 LETG Angle 76.09 PCONTROL NPNT Dec 2.028 Bus I 25.20 AOFSTAR GUID Roll 68.222 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -9.46 Yaw Rate 0.14 HRC-S HV OFF ACA CCD Temp -2.9 Dith Zang -10.19 Pitch Rate 0.09 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.18 EVT RT 4589 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.19 Batt 1 SOC 100.00% Avg HRMA Temp 75.08 FSS Beta -19.03 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 91.30 SA Resolv 108.33 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 94.40 SCS 128 ACT -Y SA Amps 12.37 OBA power 0.00 SCS 129 INAC +Y SA Temp 117.68 SCS 130 ACT -Y SA Temp 116.58 ACIS Stat7-0 6 Roll Mom. -4.885 SCS 131 ACT Cold Rad -118. Pitch Mom. 1.020 SCS 132 INAC Ephin Temp 0.0000 Warm Rad -74.7 Yaw Mom. 3.474 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 148.534 SCS 107 INAC EPH temp 155.64 UpLCmdAcc 39248 IRU2G2 curr 122.40 M Unload MON Cmd Rej A 147 IRU2G1 curr 93.60 Roll Bias 1.9705 TSC Move STOP Prop. line 03 168.93 Pitch Bias -4.1436 FA Move STOP CTX A PWR 36.32 Prop. line 04 151.92 Yaw Bias -1.8239 OTG Move DISA CTX A Volts 3.52 UTC 2026:015:13:07:01 (Jan15) f_ACE 3.32e+01 F_CRM 1.60e+07 Kp 2.3 R km 98657D Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 2.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 3.38e+01 GOES-R P4 flux, in RADMON P4GM units : 8.05e-02 GOES-R P7 flux, in RADMON P41GM units : 5.58e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 3.66e+03 Orbit Start Time : 2026:013:09:02:58 Geocentric Distance (km), Orbit Leg : 98862 D CRM Region : 1 (Solar_Wind) External Proton Flux (p/cm^2-s-sr-MeV) : 3.3800e+01 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 3.3800e+01 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 9.7722e+07 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.5982e+07