See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9702. Start at 043:14:26 GMT PLAN ---- Finish: Obsid: 30298 SI: ACIS-I (36 ksec) Target: Perseus cluster Then: 2026:043:22:01:12 Obsid: 32150 SI: ACIS-S (10 ksec) Target: SDSSJ093034.43+ 2026:044:01:21:17 Obsid: 30302 SI: ACIS-I (30 ksec) Target: Perseus cluster 2026:044:10:15:19 Obsid: 32151 SI: ACIS-S (15 ksec) Target: SDSSJ092313.77+ 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: 2026:046:22:07:13.000 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 (12 Feb, 13 Feb, 14 Feb). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet levels on days one and two (12 Feb, 13 Feb) and quiet to unsettled levels on day three (14 Feb). MP: No issues. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30295 Perseus cluster ACIS-I NONE 32152 Mrk704 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 044/0135-0335 0220 0350 DSS-54 MADRID 2120-2250 EST, Thu 12 Feb 044/1045-1245 1130 1230 DSS-24 GOLDSTONE 0630-0730 EST, Fri 13 Feb SNAPSHOT summary: ----------------- UTC 2026:043:11:49:01 (Feb12) f_ACE 1.49e+01 F_CRM 1.03e+08 Kp 2.3 R km 141310A OBT 2026:043:11:46:27 CTUVCDU 15650943 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 887283987.16 ONLVCDU 15650936 OBC Errs 0 OBSID 30298 EPState SUN SIM TTpos 92904 HETG Angle 77.59 PCADMODE NPNT RA 49.927 Bus V 26.64 SIM FApos -535 LETG Angle 75.71 PCONTROL NPNT Dec 41.526 Bus I 22.63 AOFSTAR GUID Roll 284.140 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -15.41 Yaw Rate 0.16 HRC-S HV OFF ACA CCD Temp -3.6 Dith Zang 10.65 Pitch Rate -0.09 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.04 EVT RT 5354 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.24 Batt 1 SOC 100.00% Avg HRMA Temp 73.57 FSS Beta -5.13 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 85.47 SA Resolv 94.61 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 31.50 SCS 128 ACT -Y SA Amps 11.02 OBA power 0.00 SCS 129 ACT +Y SA Temp 116.22 SCS 130 ACT -Y SA Temp 115.12 ACIS Stat7-0 6 Roll Mom. 1.853 SCS 131 ACT Cold Rad -120. Pitch Mom. 2.702 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 9.041 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 148.534 SCS 107 INAC EPH temp 178.27 UpLCmdAcc 39346 IRU2G2 curr 127.20 M Unload MON Cmd Rej A 254 IRU2G1 curr 93.60 Roll Bias 1.9872 TSC Move STOP Prop. line 03 108.63 Pitch Bias -4.1625 FA Move STOP CTX B PWR 36.92 Prop. line 04 119.92 Yaw Bias -1.8287 OTG Move DISA CTX B Volts 3.54 UTC 2026:043:14:26:01 (Feb12) f_ACE 1.67e+01 F_CRM 1.04e+08 Kp 1.0 R km 144012A Currently scheduled FPSI, OTG : ACIS-I NONE Estimated Kp : 1.0 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.67e+01 GOES-R P4 flux, in RADMON P4GM units : 8.15e-02 GOES-R P7 flux, in RADMON P41GM units : 2.79e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 9.10e+02 Orbit Start Time : 2026:042:11:14:27 Geocentric Distance (km), Orbit Leg : 143989 A CRM Region : 1 (Solar_Wind) External Proton Flux (p/cm^2-s-sr-MeV) : 1.6700e+01 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.6700e+01 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.7528e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.0388e+08