See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9812. Start at 153:13:22 GMT PLAN ---- Start in radiation zone Then: 2026:153:17:26:21 Grating: NONE 2026:153:17:42:42 RADMON Enable 2026:153:18:00:34 Obsid: 29982 SI: ACIS-S (27 ksec) Target: IIZW083 2026:154:02:18:42 Obsid: 29885 SI: ACIS-S (40 ksec) Target: SDSS J112728.73 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 2 Supports Completed in the last 24 hours (Total time: 4 hours) 3 SSR dumps 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 (02 Jun, 03 Jun, 04 Jun). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet levels on day one (02 Jun), quiet to active levels on day two (03 Jun) and unsettled to active levels on day three (04 Jun). MP: No issues. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 31449 6dFJ0421194-313805 ACIS-S NONE 32377 EP260302a ACIS-S NONE 32368 EP260302a ACIS-S NONE 32242 SNR G1.9+0.3 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 153/1355-1555 1440 1540 DSS-56 MADRID 1040-1140 EDT, Tue 2 Jun 153/2005-2205 2050 2150 DSS-65 MADRID 1650-1750 EDT, Tue 2 Jun 154/0215-0415 0300 0400 DSS-65 MADRID 2300-0000 EDT, Tue 2 Jun 154/1205-1405 1250 1350 DSS-26 GOLDSTONE 0850-0950 EDT, Wed 3 Jun 154/1905-2105 1950 2050 DSS-65 MADRID 1550-1650 EDT, Wed 3 Jun SNAPSHOT summary: ----------------- UTC 2026:153:03:59:02 (Jun 2) f_ACE 2.51e+01 F_CRM 1.46e+08 Kp 1.7 R km 82625D OBT 2026:153:03:56:16 CTUVCDU 2297983 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 896759776.39 ONLVCDU 2297976 OBC Errs 0 OBSID 30535 EPState SUN SIM TTpos 75624 HETG Angle 77.59 PCADMODE NPNT RA 247.960 Bus V 26.95 SIM FApos -467 LETG Angle 76.09 PCONTROL NPNT Dec -47.373 Bus I 24.69 AOFSTAR GUID Roll 356.702 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -12.83 Yaw Rate 0.14 HRC-S HV OFF ACA CCD Temp -3.2 Dith Zang -7.55 Pitch Rate 0.36 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.09 EVT RT 4079 AOACSTAT OK FSS SunBeta NSUN SHLD RT 0 FSS Alfa -49.57 Batt 1 SOC 100.00% Avg HRMA Temp 75.51 FSS Beta -49.72 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 85.95 SA Resolv 154.51 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 12.37 A +24 V 0.00 HRMA power 62.90 SCS 128 ACT -Y SA Amps 11.98 OBA power 0.00 SCS 129 ACT +Y SA Temp 109.89 SCS 130 ACT -Y SA Temp 108.97 ACIS Stat7-0 6 Roll Mom. 6.329 SCS 131 ACT Cold Rad -113. Pitch Mom. 2.474 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -74.7 Yaw Mom. -0.884 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 153.330 SCS 107 INAC EPH temp 147.16 UpLCmdAcc 2973 IRU2G2 curr 120.00 M Unload MON Cmd Rej A 83 IRU2G1 curr 96.00 Roll Bias 2.0339 TSC Move STOP Prop. line 03 119.92 Pitch Bias -4.2231 FA Move STOP CTX B PWR 36.92 Prop. line 04 116.70 Yaw Bias -1.8453 OTG Move DISA CTX B Volts 3.54 UTC 2026:153:13:22:01 (Jun 2) f_ACE 1.30e+01 F_CRM 0.00e+00 Kp 1.3 R km 24457A Currently scheduled FPSI, OTG : HRC-S HETG Estimated Kp : 1.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.30e+01 GOES-R P4 flux, in RADMON P4GM units : 2.02e-02 GOES-R P7 flux, in RADMON P41GM units : 2.78e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 2.35e+02 Orbit Start Time : 2026:153:12:52:17 Geocentric Distance (km), Orbit Leg : 24140 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 6.5000e+00 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.0000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.0185e+04 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 0.0000e+00