See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9731. Start at 072:13:00 GMT PLAN ---- Finish: Obsid: 30356 SI: ACIS-I (14 ksec) Target: Perseus cluster Then: 2026:072:12:56:16 Obsid: 30356 SI: ACIS-I (14 ksec) Target: Perseus cluster 2026:072:17:28:14 Obsid: 32206 SI: ACIS-S (10 ksec) Target: Mrk732_s1 2026:072:20:53:31 Obsid: 32218 SI: ACIS-I (13 ksec) Target: Perseus cluster 2026:073:01:18:49 Obsid: 32204 SI: ACIS-S (10 ksec) Target: Mrk732 2026:073:04:44:06 Obsid: 30362 SI: ACIS-I (14 ksec) Target: Perseus cluster 2026:073:09:16:36 Obsid: 32207 SI: ACIS-I (10 ksec) Target: IC 0678 2026:073:12:42:27 Obsid: 32219 SI: ACIS-I (14 ksec) Target: Perseus cluster For the weekend: 2026:073:18:18:41 Obsid: 29896 SI: ACIS-I (9 ksec) Target: Cloverleaf ORC 2026:073:21:05:36 Grating: HETG 2026:073:21:08:02 RADMON Disable 2026:074:07:40:21 Grating: NONE 2026:074:08:02:01 RADMON Enable 2026:074:08:24:19 Obsid: 32211 SI: ACIS-I (10 ksec) Target: Cloverleaf ORC 2026:074:12:15:16 Obsid: 30366 SI: ACIS-I (17 ksec) Target: Perseus cluster 2026:074:18:33:48 Obsid: 32220 SI: ACIS-I (10 ksec) Target: Perseus cluster 2026:074:22:25:52 Obsid: 32212 SI: ACIS-I (15 ksec) Target: Cloverleaf ORC NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 6.5 hours) 3 SSR dumps. CAP's / Procedures Run: CAP # | Time | Title / Description / Notes [1805]| 071/2005z | Chandra/TReK-AutoCon Flight Test Radiation (Solar Activity): Solar activity is expected to be low with a slight chance for an M-class flare on days one, two, and three (13 Mar, 14 Mar, 15 Mar). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to minor storm levels on days one and two (13 Mar, 14 Mar) and quiet to active levels on day three (15 Mar). MP: Mar1626 loads out for review. Reviews due by 10 a.m. B loads are expected. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 32213 SDSS J105432.03+122851.9 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 072/1845-2045 1930 2030 DSS-24 GOLDSTONE 1530-1630 EDT, Fri 13 Mar 072/1905-2030 1930 2015 DSS-23 Unknown 1530-1615 EDT, Fri 13 Mar 073/0115-0315 0200 0300 DSS-65 MADRID 2200-2300 EDT, Fri 13 Mar 073/0915-1115 1000 1100 DSS-26 GOLDSTONE 0600-0700 EDT, Sat 14 Mar 073/1700-1900 1745 1845 DSS-24 GOLDSTONE 1345-1445 EDT, Sat 14 Mar 074/0915-1145 1000 1130 DSS-24 GOLDSTONE 0600-0730 EDT, Sun 15 Mar 074/1715-1915 1800 1900 DSS-26 GOLDSTONE 1400-1500 EDT, Sun 15 Mar 075/0215-0415 0300 0400 DSS-56 MADRID 2300-0000 EDT, Sun 15 Mar 075/1100-1300 1145 1245 DSS-24 GOLDSTONE 0745-0845 EDT, Mon 16 Mar 075/1745-1945 1830 1930 DSS-36 CANBERRA 1430-1530 EDT, Mon 16 Mar SNAPSHOT summary: ----------------- UTC 2026:072:11:26:01 (Mar13) f_ACE 8.24e+00 F_CRM 5.19e+07 Kp 4.0 R km 137077A OBT 2026:072:11:23:21 CTUVCDU 8646271 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 889788201.71 ONLVCDU 8646264 OBC Errs 0 OBSID 32203 EPState SUN SIM TTpos 75624 HETG Angle 77.59 PCADMODE NPNT RA 166.424 Bus V 26.95 SIM FApos -467 LETG Angle 76.09 PCONTROL NPNT Dec 6.735 Bus I 21.08 AOFSTAR GUID Roll 241.214 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 0.67 Yaw Rate 0.33 HRC-S HV OFF ACA CCD Temp -9.1 Dith Zang -14.86 Pitch Rate 0.01 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.12 EVT RT 4589 AOACSTAT OK FSS SunBeta NSUN SHLD RT 0 FSS Alfa -49.57 Batt 1 SOC 100.00% Avg HRMA Temp 73.03 FSS Beta -49.72 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 77.75 SA Resolv 172.18 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 10.63 A +24 V 0.00 HRMA power 39.20 SCS 128 INAC -Y SA Amps 10.44 OBA power 0.00 SCS 129 ACT +Y SA Temp 114.81 SCS 130 ACT -Y SA Temp 113.58 ACIS Stat7-0 6 Roll Mom. 7.960 SCS 131 INAC Cold Rad -120. Pitch Mom. 5.144 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. -4.198 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 150.132 SCS 107 INAC EPH temp 149.99 UpLCmdAcc 33166 IRU2G2 curr 122.40 M Unload MON Cmd Rej A 17 IRU2G1 curr 96.00 Roll Bias 1.9915 TSC Move STOP Prop. line 03 129.74 Pitch Bias -4.1829 FA Move STOP CTX B PWR 36.92 Prop. line 04 127.54 Yaw Bias -1.8211 OTG Move DISA CTX B Volts 3.54 UTC 2026:072:12:55:01 (Mar13) f_ACE 8.63e+00 F_CRM 5.34e+07 Kp 4.0 R km 139543A Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 4.0 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 8.87e+00 GOES-R P4 flux, in RADMON P4GM units : 2.00e-02 GOES-R P7 flux, in RADMON P41GM units : 2.78e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 1.82e+02 Orbit Start Time : 2026:071:13:22:07 Geocentric Distance (km), Orbit Leg : 139515 A CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 5.2699e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 5.2699e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.9384e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 5.3351e+07