See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9713. Start at 054:14:00 GMT PLAN ---- Finish: Obsid: 30297 SI: ACIS-I (27 ksec) Target: Perseus cluster Then: 2026:054:20:02:10 Obsid: 32178 SI: ACIS-S (12 ksec) Target: SDSS J102258.41 2026:054:23:58:50 Obsid: 30300 SI: ACIS-I (31 ksec) Target: Perseus cluster 2026:055:08:39:50 Grating: HETG 2026:055:08:42:16 RADMON Disable NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 9 Supports Completed over the weekend (Total time: 18 hours) 9 SSR dumps Loads good through: 2026:058:09:37:21 Radiation (Solar Activity): Solar activity is expected to be very low with a chance for a C-class flares and a slight chance for an M-class flare on days one, two, and three (23 Feb, 24 Feb, 25 Feb). Radiation (Geophysical Activity): The geomagnetic field is expected to be at unsettled to minor storm levels on day one (23 Feb), quiet to active levels on day two (24 Feb) and quiet to unsettled levels on day three (25 Feb). MP: TOO interrupt load review today by 5pm. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30529 SDSS J102258.41+123429.7 ACIS-S NONE 31360 ArLac HRC-I NONE 31359 ArLac HRC-I NONE 31358 ArLac HRC-I NONE 32172 MRCB0157-311 ACIS-S NONE 32166 Center of COSMOS-Web ACIS-I NONE 32163 MRCB0157-311 ACIS-S NONE 32165 Center of COSMOS-Web ACIS-I NONE 30058 Center of COSMOS-Web ACIS-I NONE 30319 Perseus cluster ACIS-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 055/0245-0445 0330 0430 DSS-54 MADRID 2230-2330 EST, Mon 23 Feb 055/1715-1945 1800 1930 DSS-54 MADRID 1300-1430 EST, Tue 24 Feb SNAPSHOT summary: ----------------- UTC 2026:054:12:13:01 (Feb23) f_ACE 2.67e+01 F_CRM 1.76e+08 Kp 3.0 R km 143828D OBT 2026:054:12:10:10 CTUVCDU 2588159 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 888235810.43 ONLVCDU 2588152 OBC Errs 0 OBSID 30297 EPState SUN SIM TTpos 92903 HETG Angle 77.59 PCADMODE NPNT RA 49.924 Bus V 26.79 SIM FApos -535 LETG Angle 76.09 PCONTROL NPNT Dec 41.529 Bus I 21.86 AOFSTAR GUID Roll 288.387 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -9.04 Yaw Rate -0.59 HRC-S HV OFF ACA CCD Temp -10.8 Dith Zang -1.66 Pitch Rate -0.02 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.36 EVT RT 6119 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.29 Batt 1 SOC 100.00% Avg HRMA Temp 73.57 FSS Beta 5.17 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 71.00 SA Resolv 84.30 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 11.02 A +24 V 0.00 HRMA power 29.90 SCS 128 ACT -Y SA Amps 10.83 OBA power 0.00 SCS 129 ACT +Y SA Temp 115.49 SCS 130 ACT -Y SA Temp 114.81 ACIS Stat7-0 6 Roll Mom. 4.635 SCS 131 ACT Cold Rad -118. Pitch Mom. 9.398 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 11.503 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 148.534 SCS 107 INAC EPH temp 169.78 UpLCmdAcc 61281 IRU2G2 curr 122.40 M Unload MON Cmd Rej A 226 IRU2G1 curr 93.60 Roll Bias 1.9870 TSC Move STOP Prop. line 03 86.72 Pitch Bias -4.1647 FA Move STOP CTX A PWR 36.32 Prop. line 04 98.15 Yaw Bias -1.8258 OTG Move DISA CTX A Volts 3.52 UTC 2026:054:13:56:01 (Feb23) f_ACE 1.33e+02 F_CRM 1.76e+08 Kp 3.0 R km 142173D Currently scheduled FPSI, OTG : ACIS-I NONE Estimated Kp : 3.0 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.67e+01 GOES-R P4 flux, in RADMON P4GM units : 2.08e-02 GOES-R P7 flux, in RADMON P41GM units : 1.40e-02 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 2.34e+03 Orbit Start Time : 2026:053:01:05:20 Geocentric Distance (km), Orbit Leg : 142215 D CRM Region : 1 (Solar_Wind) External Proton Flux (p/cm^2-s-sr-MeV) : 2.6700e+01 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 2.6700e+01 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 4.2009e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.7592e+08