See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9801. Start at 142:12:58 GMT PLAN ---- Finish: Obsid: 30511 SI: ACIS-I (31 ksec) Target: BOSS1348 Then: 2026:142:16:01:52 Grating: HETG 2026:142:16:04:18 RADMON Disable 2026:143:02:48:17 RADMON Enable 2026:143:03:13:18 Obsid: 32351 SI: ACIS-S (10 ksec) Target: TV Cassiopeia 2026:143:06:03:33 Grating: NONE 2026:143:06:31:53 Obsid: 31222 SI: ACIS-S (50 ksec) Target: TDE2023mfm For the weekend: 2026:143:21:50:21 Obsid: 32350 SI: ACIS-S (20 ksec) Target: 2RXS J155154.5- 2026:144:04:04:16 Obsid: 31282 SI: ACIS-S (20 ksec) Target: SDSS J094314.26 2026:144:10:02:53 Obsid: 30166 SI: ACIS-S (30 ksec) Target: NGC4293 2026:144:18:57:00 Obsid: 32348 SI: ACIS-S (10 ksec) Target: 2MASX J16125120 2026:144:22:27:07 Obsid: 29759 SI: ACIS-S (2 ksec) Target: 1eRASS J112950. 2026:144:23:29:04 Obsid: 30269 SI: ACIS-I (27 ksec) Target: Center of COSMO 2026:145:07:13:26 Grating: HETG 2026:145:07:15:52 RADMON Disable NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 6 hours) 3 SSR dumps Loads good through: 2026:146:06:08:56.000 Radiation (Solar Activity): Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (22 May, 23 May, 24 May). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to unsettled levels on days one and two (22 May, 23 May) and quiet levels on day three (24 May). MP: No issues. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 32349 MASTER J1449-3244 ACIS-S NONE 31377 E0102-72.3 ACIS-I NONE 32354 NGC5728 ACIS-S NONE 31373 E0102-72.3 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 142/1630-1830 1715 1815 DSS-34 CANBERRA 1315-1415 EDT, Fri 22 May 143/1000-1200 1045 1145 DSS-26 GOLDSTONE 0645-0745 EDT, Sat 23 May 143/1745-1945 1830 1930 DSS-54 MADRID 1430-1530 EDT, Sat 23 May 144/0000-0200 0045 0145 DSS-56 MADRID 2045-2145 EDT, Sat 23 May 144/1000-1200 1045 1145 DSS-24 GOLDSTONE 0645-0745 EDT, Sun 24 May 144/1745-1945 1830 1930 DSS-36 CANBERRA 1430-1530 EDT, Sun 24 May 145/0015-0215 0100 0200 DSS-65 MADRID 2100-2200 EDT, Sun 24 May 145/1005-1205 1050 1150 DSS-26 GOLDSTONE 0650-0750 EDT, Mon 25 May 145/1540-1740 1625 1725 DSS-56 MADRID 1225-1325 EDT, Mon 25 May 145/2315-0115 0000 0100 DSS-54 MADRID 2000-2100 EDT, Mon 25 May SNAPSHOT summary: ----------------- UTC 2026:142:11:00:02 (May22) f_ACE 2.06e+01 F_CRM 1.26e+07 Kp 1.7 R km 99853D OBT 2026:142:10:56:59 CTUVCDU 15464831 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 895834619.58 ONLVCDU 15464824 OBC Errs 0 OBSID 30511 EPState SUN SIM TTpos 92903 HETG Angle 77.59 PCADMODE NPNT RA 207.062 Bus V 27.11 SIM FApos -535 LETG Angle 76.09 PCONTROL NPNT Dec 23.999 Bus I 24.17 AOFSTAR GUID Roll 217.512 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 5.42 Yaw Rate -0.04 HRC-S HV OFF ACA CCD Temp -4.3 Dith Zang 11.80 Pitch Rate 0.27 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.24 EVT RT 4844 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.02 Batt 1 SOC 100.00% Avg HRMA Temp 73.89 FSS Beta -36.22 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 85.15 SA Resolv 125.89 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 12.18 A +24 V 0.00 HRMA power 62.90 SCS 128 ACT -Y SA Amps 11.60 OBA power 35.10 SCS 129 ACT +Y SA Temp 110.20 SCS 130 ACT -Y SA Temp 109.58 ACIS Stat7-0 6 Roll Mom. -2.350 SCS 131 ACT Cold Rad -113. Pitch Mom. 1.944 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -74.7 Yaw Mom. 3.271 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 151.731 SCS 107 INAC EPH temp 178.27 UpLCmdAcc 47591 IRU2G2 curr 124.80 M Unload MON Cmd Rej A 82 IRU2G1 curr 93.60 Roll Bias 2.0292 TSC Move STOP Prop. line 03 145.12 Pitch Bias -4.2144 FA Move STOP CTX B PWR 36.96 Prop. line 04 123.15 Yaw Bias -1.8422 OTG Move DISA CTX B Volts 3.54 UTC 2026:142:12:58:01 (May22) f_ACE 1.25e+01 F_CRM 1.42e+07 Kp 1.7 R km 89512D Currently scheduled FPSI, OTG : ACIS-I NONE Estimated Kp : 1.0 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 3.22e+01 GOES-R P4 flux, in RADMON P4GM units : 0.00e+00 GOES-R P7 flux, in RADMON P41GM units : 5.68e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 2.62e+03 Orbit Start Time : 2026:140:07:30:47 Geocentric Distance (km), Orbit Leg : 89892 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 5.8077e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 5.8077e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.0549e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.4200e+07