See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9937. Start at 278:21:03 GMT PLAN ---- Finish: Obsid: 31653 SI: ACIS-I (12 ksec) Target: BOSS0210E Then: 2026:279:02:01:28 Grating: LETG 2026:279:02:40:19 Obsid: 31505 SI: HRC-I (14 ksec) Target: SNR 1987A 2026:279:06:44:27 Grating: NONE 2026:279:07:17:49 Obsid: 33472 SI: ACIS-I (16 ksec) Target: BOSS0210E 2026:279:12:11:11 Obsid: 33467 SI: ACIS-S (20 ksec) Target: 2RXS J052437.3- 2026:279:17:48:06 Grating: LETG 2026:279:18:26:56 Obsid: 31506 SI: HRC-I (13 ksec) Target: SNR 1987A NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 9 Supports Completed over the weekend (Total time: 17.8 hours) 9 SSR dumps Loads good through: 2026:281:22:13:54.000 Radiation (Solar Activity): Solar activity is expected to be very low with a chance for a C-class flares on days one, two, and three (05 Oct, 06 Oct, 07 Oct). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to minor storm levels on day one (05 Oct), quiet to active levels on day two (06 Oct) and quiet to unsettled levels on day three (07 Oct). MP: No issues. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 31122 SNR 1987A HRC-I LETG 31653 BOSS0210E ACIS-I NONE 30480 Hoinga ACIS-I NONE 33460 MACS J0018.5+1626 ACIS-I NONE 33466 SDSSJ110011.85+451349.4 ACIS-S NONE 33459 MACS J0018.5+1626 ACIS-I NONE 33451 SDSSJ110011.85+451349.4 ACIS-S NONE 33458 PSR J1015-5719 ACIS-I NONE 30413 MACS J0018.5+1626 ACIS-I NONE 31682 SDSS J014837.63+060020.0 ACIS-I NONE 33463 SDSS J014837.63+060020.0 ACIS-I NONE 33457 PSR J1015-5719 ACIS-I NONE 30432 Abell 2255 ACIS-I NONE 33462 PSR J1101-6101 ACIS-I NONE 30448 G29-38 HRC-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 279/0140-0340 0225 0325 DSS-26 GOLDSTONE 2225-2325 EDT, Mon 5 Oct 279/1010-1210 1055 1155 DSS-53 MADRID 0655-0755 EDT, Tue 6 Oct 279/2040-2240 2125 2225 DSS-65 MADRID 1725-1825 EDT, Tue 6 Oct SNAPSHOT summary: ----------------- UTC 2026:278:18:38:01 (Oct 5) f_ACE 4.18e+02 F_CRM 5.12e+08 Kp 3.3 R km 105428D OBT 2026:278:18:35:42 CTUVCDU 11095807 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 907612542.89 ONLVCDU 11095800 OBC Errs 0 OBSID 31595 EPState SUN SIM TTpos 75624 HETG Angle 77.59 PCADMODE NPNT RA 280.327 Bus V 26.95 SIM FApos -467 LETG Angle 75.71 PCONTROL NPNT Dec -4.940 Bus I 22.63 AOFSTAR GUID Roll 272.000 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -0.07 Yaw Rate 0.20 HRC-S HV OFF ACA CCD Temp -8.8 Dith Zang -14.05 Pitch Rate 0.03 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.17 EVT RT 3569 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa 2.44 Batt 1 SOC 100.00% Avg HRMA Temp 72.70 FSS Beta 0.89 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 80.64 SA Resolv 88.49 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 11.21 A +24 V 0.00 HRMA power 94.40 SCS 128 ACT -Y SA Amps 10.83 OBA power 0.00 SCS 129 ACT +Y SA Temp 112.66 SCS 130 ACT -Y SA Temp 112.04 ACIS Stat7-0 6 Roll Mom. -0.497 SCS 131 ACT Cold Rad -120. Pitch Mom. 7.084 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 4.051 SCS 133 INAC EIO Temp 0.0000 RadMon ENAB PMTANKP 151.731 SCS 107 INAC EPH temp 128.21 UpLCmdAcc 63009 IRU2G2 curr 117.60 M Unload MON Cmd Rej A 112 IRU2G1 curr 96.00 Roll Bias 2.0974 TSC Move STOP Prop. line 03 165.53 Pitch Bias -4.2837 FA Move STOP CTX A PWR 36.32 Prop. line 04 142.92 Yaw Bias -1.8677 OTG Move DISA CTX A Volts 3.52 UTC 2026:278:21:03:01 (Oct 5) f_ACE 4.58e+02 F_CRM 5.12e+08 Kp 3.3 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 : 4.44e-02 GOES-R P7 flux, in RADMON P41GM units : 2.87e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 1.47e+03 Orbit Start Time : 2026:177:08:08:58 Geocentric Distance (km), Orbit Leg : 139264 A 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