See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9920. Start at 261:13:00 GMT PLAN ---- Finish: Obsid: 33231 SI: ACIS-S (10 ksec) Target: 3CR 17 Then: 2026:261:13:25:33 Grating: HETG 2026:261:13:27:36 RADMON Disable 2026:262:03:54:38 Grating: NONE 2026:262:04:18:55 RADMON Enable 2026:262:04:36:47 Obsid: 32536 SI: ACIS-S (11 ksec) Target: SN2026sqf 2026:262:08:10:34 Obsid: 31389 SI: ACIS-I (2 ksec) Target: Cas A 2026:262:09:04:45 Obsid: 31390 SI: ACIS-S (2 ksec) Target: Cas A 2026:262:09:46:35 Obsid: 31391 SI: ACIS-S (2 ksec) Target: Cas A 2026:262:10:45:44 Obsid: 30415 SI: ACIS-I (10 ksec) Target: MACS J0018.5+16 For the weekend: 2026:262:14:09:23 Obsid: 33222 SI: ACIS-S (15 ksec) Target: SDSS J142314.36 2026:262:18:56:21 Obsid: 33227 SI: ACIS-I (8 ksec) Target: MACS J0018.5+16 2026:262:21:57:16 Obsid: 33233 SI: ACIS-S (11 ksec) Target: SN2026sqf 2026:263:01:39:51 Obsid: 33228 SI: ACIS-I (7 ksec) Target: MACS J0018.5+16 2026:263:04:46:14 Obsid: 33225 SI: ACIS-S (23 ksec) Target: SNR G1.9+0.3 2026:263:12:10:49 Obsid: 33229 SI: ACIS-I (13 ksec) Target: MACS J0018.5+16 2026:263:16:28:17 Obsid: 33216 SI: ACIS-S (10 ksec) Target: SDSSJ084755.63+ 2026:263:19:57:29 Obsid: 33232 SI: ACIS-S (18 ksec) Target: 3CR 17 2026:264:01:45:22 Obsid: 30051 SI: ACIS-S (11 ksec) Target: EXO 0748-676 2026:264:04:57:19 Grating: HETG 2026:264:04:59:23 RADMON Disable NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 6.5 hours) 3 SSR dumps. 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 (18 Sep, 19 Sep, 20 Sep). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to active levels on day one (18 Sep), quiet to unsettled levels on day two (19 Sep) and quiet levels on day three (20 Sep). MP: Sep2126 loads approved yesterday. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 29938 NGC 1358 ACIS-S NONE 29915 SDSS J142314.36+635803.6 ACIS-S NONE 33224 MACS J0018.5+1626 ACIS-I NONE 33234 5C 7.230 ACIS-S NONE 33223 MACS J0018.5+1626 ACIS-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 261/1745-1945 1830 1930 DSS-65 MADRID 1430-1530 EDT, Fri 18 Sep 262/0915-1115 1000 1100 DSS-54 MADRID 0600-0700 EDT, Sat 19 Sep 262/1715-1915 1800 1900 DSS-26 GOLDSTONE 1400-1500 EDT, Sat 19 Sep 263/0210-0410 0255 0355 DSS-23 GOLDSTONE 2255-2355 EDT, Sat 19 Sep 263/1015-1215 1100 1200 DSS-54 MADRID 0700-0800 EDT, Sun 20 Sep 263/1920-2120 2005 2105 DSS-24 GOLDSTONE 1605-1705 EDT, Sun 20 Sep 264/0200-0400 0245 0345 DSS-23 GOLDSTONE 2245-2345 EDT, Sun 20 Sep 264/0950-1150 1035 1135 DSS-34 CANBERRA 0635-0735 EDT, Mon 21 Sep 264/1910-2110 1955 2055 DSS-56 MADRID 1555-1655 EDT, Mon 21 Sep SNAPSHOT summary: ----------------- UTC 2026:261:10:58:01 (Sep18) f_ACE 1.29e+01 F_CRM 5.12e+08 Kp 1.3 R km 105428D OBT 2026:261:10:55:08 CTUVCDU 5256063 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 906116108.28 ONLVCDU 5256056 OBC Errs 0 OBSID 33231 EPState SUN SIM TTpos 75624 HETG Angle 77.59 PCADMODE NPNT RA 9.596 Bus V 27.11 SIM FApos -467 LETG Angle 75.71 PCONTROL NPNT Dec -2.151 Bus I 21.60 AOFSTAR GUID Roll 89.260 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 11.58 Yaw Rate -0.35 HRC-S HV OFF ACA CCD Temp -8.0 Dith Zang 0.98 Pitch Rate -0.23 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.29 EVT RT 4844 AOACSTAT OK FSS SunBeta NSUN SHLD RT 0 FSS Alfa -49.57 Batt 1 SOC 100.00% Avg HRMA Temp 72.38 FSS Beta -49.72 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 81.77 SA Resolv 165.61 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 10.83 A +24 V 0.00 HRMA power 61.40 SCS 128 ACT -Y SA Amps 10.44 OBA power 0.00 SCS 129 ACT +Y SA Temp 112.04 SCS 130 ACT -Y SA Temp 111.12 ACIS Stat7-0 6 Roll Mom. 5.778 SCS 131 ACT Cold Rad -115. Pitch Mom. -0.607 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -74.7 Yaw Mom. -1.584 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 150.132 SCS 107 INAC EPH temp 158.47 UpLCmdAcc 22812 IRU2G2 curr 120.00 M Unload MON Cmd Rej A 10 IRU2G1 curr 96.00 Roll Bias 2.0813 TSC Move STOP Prop. line 03 151.92 Pitch Bias -4.2699 FA Move STOP CTX B PWR 36.96 Prop. line 04 134.13 Yaw Bias -1.8598 OTG Move DISA CTX B Volts 3.54 UTC 2026:261:12:58:02 (Sep18) f_ACE 1.09e+01 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 : 1.39e-02 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 4.26e+02 Orbit Start Time : 2026:177:08:08:58 Geocentric Distance (km), Orbit Leg : 88599 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