See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9745. Start at 086:13:13 GMT PLAN ---- Finish: Obsid: 30025 SI: ACIS-I (21 ksec) Target: Abell 2255 Then: 2026:086:18:06:19 Obsid: 31150 SI: ACIS-S (29 ksec) Target: AT2026dbl 2026:087:02:29:46 Grating: HETG 2026:087:02:31:49 RADMON Disable 2026:087:12:53:00 Grating: NONE 2026:087:13:11:48 RADMON Enable For the weekend: 2026:087:13:34:06 Obsid: 32249 SI: ACIS-I (15 ksec) Target: Perseus cluster 2026:087:18:58:26 Grating: HETG 2026:087:19:46:43 Obsid: 32244 SI: ACIS-S (9 ksec) Target: NGC 4593 2026:087:23:25:41 Grating: NONE 2026:088:00:16:30 Obsid: 30328 SI: ACIS-I (16 ksec) Target: Perseus cluster 2026:088:05:25:15 Obsid: 31151 SI: ACIS-S (30 ksec) Target: AT2026dbl 2026:088:14:40:39 Obsid: 31343 SI: ACIS-I (10 ksec) Target: V4641 Sgr S2 2026:088:17:30:54 Grating: HETG 2026:088:18:01:44 Obsid: 32245 SI: ACIS-S (13 ksec) Target: NGC 4593 2026:088:21:43:38 Grating: NONE 2026:088:22:15:39 Obsid: 32261 SI: ACIS-S (5 ksec) Target: CD-31 16041 2026:089:00:23:04 Obsid: 31127 SI: ACIS-S (10 ksec) Target: SN 2026dix 2026:089:03:35:39 Obsid: 29933 SI: ACIS-S (6 ksec) Target: SDSS J134234.31 2026:089:05:41:25 Obsid: 29913 SI: ACIS-S (44 ksec) Target: SDSS J164818.07 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 2 Supports Completed in the last 24 hours (Total time: 4.5 hours) 2 SSR dumps Loads good through: 2026:090:09:38:23.000 Radiation (Solar Activity): Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (27 Mar, 28 Mar, 29 Mar). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to unsettled levels on days one and three (27 Mar, 29 Mar) and quiet levels on day two (28 Mar). MP: No issues. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 32259 Gaia DR2 3122263962301803904 ACIS-S NONE 32257 At 2016blu ACIS-S NONE 31057 HD 26736 HRC-I NONE 32255 At 2016blu ACIS-S NONE 32256 At 2016blu ACIS-S NONE 32253 Gaia DR2 3122263962301803904 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 086/1645-1845 1730 1830 DSS-34 CANBERRA 1330-1430 EDT, Fri 27 Mar 087/0145-0345 0230 0330 DSS-65 MADRID 2230-2330 EDT, Fri 27 Mar 087/0925-1125 1010 1110 DSS-36 CANBERRA 0610-0710 EDT, Sat 28 Mar 087/1820-2020 1905 2005 DSS-56 MADRID 1505-1605 EDT, Sat 28 Mar 087/2250-0050 2335 0035 DSS-65 MADRID 1935-2035 EDT, Sat 28 Mar 088/0925-1125 1010 1110 DSS-24 GOLDSTONE 0610-0710 EDT, Sun 29 Mar 088/2000-2200 2045 2145 DSS-34 CANBERRA 1645-1745 EDT, Sun 29 Mar 089/0015-0215 0100 0200 DSS-56 MADRID 2100-2200 EDT, Sun 29 Mar 089/1025-1225 1110 1210 DSS-24 GOLDSTONE 0710-0810 EDT, Mon 30 Mar 089/1900-2100 1945 2045 DSS-34 CANBERRA 1545-1645 EDT, Mon 30 Mar SNAPSHOT summary: ----------------- UTC 2026:086:11:45:01 (Mar27) f_ACE 1.09e+03 F_CRM 3.32e+08 Kp 2.0 R km 135152D OBT 2026:086:11:41:55 CTUVCDU 13371007 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 890998915.38 ONLVCDU 13371000 OBC Errs 0 OBSID 30025 EPState SUN SIM TTpos 92903 HETG Angle 77.59 PCADMODE NPNT RA 258.234 Bus V 26.79 SIM FApos -535 LETG Angle 76.09 PCONTROL NPNT Dec 64.040 Bus I 23.66 AOFSTAR GUID Roll 107.107 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -1.40 Yaw Rate -0.05 HRC-S HV OFF ACA CCD Temp -5.8 Dith Zang -15.99 Pitch Rate 0.24 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.21 EVT RT 4844 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.27 Batt 1 SOC 100.00% Avg HRMA Temp 73.35 FSS Beta -5.69 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 84.02 SA Resolv 95.14 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 11.98 A +24 V 0.00 HRMA power 29.90 SCS 128 ACT -Y SA Amps 11.41 OBA power 0.00 SCS 129 ACT +Y SA Temp 113.28 SCS 130 INAC -Y SA Temp 112.35 ACIS Stat7-0 6 Roll Mom. -8.381 SCS 131 ACT Cold Rad -118. Pitch Mom. 3.092 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 4.708 SCS 133 INAC EIO Temp 0.0000 RadMon ENAB PMTANKP 150.132 SCS 107 INAC EPH temp 152.81 UpLCmdAcc 6822 IRU2G2 curr 122.40 M Unload MON Cmd Rej A 2 IRU2G1 curr 96.00 Roll Bias 1.9958 TSC Move STOP Prop. line 03 168.93 Pitch Bias -4.1816 FA Move STOP CTX A PWR 36.32 Prop. line 04 127.54 Yaw Bias -1.8297 OTG Move DISA CTX A Volts 3.52 UTC 2026:086:13:13:01 (Mar27) f_ACE 8.41e+02 F_CRM 3.36e+08 Kp 2.0 R km 131930D Currently scheduled FPSI, OTG : ACIS-I NONE Estimated Kp : 0.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 7.77e+02 GOES-R P4 flux, in RADMON P4GM units : 2.05e-02 GOES-R P7 flux, in RADMON P41GM units : 0.00e+00 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 5.50e+03 Orbit Start Time : 2026:084:18:41:27 Geocentric Distance (km), Orbit Leg : 132053 D CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 1.5670e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.5670e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 4.1052e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.3553e+08