See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9933. Start at 274:13:00 GMT PLAN ---- Finish: Obsid: 31950 SI: ACIS-I (12 ksec) Target: SDSS J014837.63 Then: 2026:274:15:42:26 Obsid: 33456 SI: ACIS-I (10 ksec) Target: [MWE2019] 1-435 2026:274:18:47:52 Grating: HETG 2026:274:18:50:18 RADMON Disable 2026:275:09:21:05 Grating: NONE 2026:275:09:33:37 RADMON Enable 2026:275:09:55:55 Obsid: 30432 SI: ACIS-I (27 ksec) Target: Abell 2255 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 6 hours) 4 SSR dumps. 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 (01 Oct, 02 Oct, 03 Oct). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet levels on day one (01 Oct), quiet to minor storm levels on day two (02 Oct) and quiet to active levels on day three (03 Oct). MP: Oct0526 loads out for review with reviews due by 5pm. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 31681 SDSS J014837.63+060020.0 ACIS-I NONE 33454 [MWE2019] 1-435 ACIS-I NONE 33455 [MWE2019] 1-435 ACIS-I NONE 31672 SDSS J014837.63+060020.0 ACIS-I NONE 29743 [MWE2019] 1-435 ACIS-I NONE 33465 ACT-CL J0123.5-0428 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 274/1600-1750 1645 1735 DSS-53 MADRID 1245-1335 EDT, Thu 1 Oct 275/0955-1155 1040 1140 DSS-54 MADRID 0640-0740 EDT, Fri 2 Oct 275/1600-1750 1645 1735 DSS-53 MADRID 1245-1335 EDT, Fri 2 Oct SNAPSHOT summary: ----------------- UTC 2026:274:11:00:02 (Oct 1) f_ACE 5.09e+02 F_CRM 5.12e+08 Kp 1.3 R km 105428D OBT 2026:274:10:57:22 CTUVCDU 9639807 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 907239442.83 ONLVCDU 9639800 OBC Errs 0 OBSID 30096 EPState SUN SIM TTpos 92904 HETG Angle 77.59 PCADMODE NPNT RA 135.021 Bus V 27.11 SIM FApos -535 LETG Angle 75.71 PCONTROL NPNT Dec -43.935 Bus I 22.11 AOFSTAR GUID Roll 108.021 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -11.20 Yaw Rate 0.00 HRC-S HV OFF ACA CCD Temp -8.4 Dith Zang 10.50 Pitch Rate 0.14 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.15 EVT RT 4589 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa 7.55 Batt 1 SOC 100.00% Avg HRMA Temp 73.35 FSS Beta 28.51 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 80.48 SA Resolv 60.77 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 61.40 SCS 128 ACT -Y SA Amps 10.83 OBA power 35.10 SCS 129 ACT +Y SA Temp 112.35 SCS 130 INAC -Y SA Temp 111.43 ACIS Stat7-0 6 Roll Mom. -1.631 SCS 131 ACT Cold Rad -118. Pitch Mom. -3.826 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. 11.202 SCS 133 INAC EIO Temp 0.0000 RadMon ENAB PMTANKP 151.731 SCS 107 INAC EPH temp 144.33 UpLCmdAcc 53496 IRU2G2 curr 120.00 M Unload MON Cmd Rej A 167 IRU2G1 curr 96.00 Roll Bias 2.0934 TSC Move STOP Prop. line 03 172.34 Pitch Bias -4.2781 FA Move STOP CTX A PWR 36.27 Prop. line 04 138.53 Yaw Bias -1.8680 OTG Move DISA CTX A Volts 3.52 UTC 2026:274:14:18:01 (Oct 1) f_ACE 4.76e+02 F_CRM 5.12e+08 Kp 1.3 R km 105428D Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 2.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.29e+01 GOES-R P4 flux, in RADMON P4GM units : 0.00e+00 GOES-R P7 flux, in RADMON P41GM units : 5.58e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 1.18e+03 Orbit Start Time : 2026:177:08:08:58 Geocentric Distance (km), Orbit Leg : 107858 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.8248e+04 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.8248e+04 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 8.1745e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 5.1173e+08