See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9815. Start at 156:13:08 GMT PLAN ---- Finish: Obsid: 32333 SI: ACIS-S (14 ksec) Target: LEDA 184063 Then: 2026:156:13:41:23 Obsid: 31168 SI: ACIS-S (43 ksec) Target: SN 2024ggi 2026:157:01:44:58 Grating: HETG 2026:157:02:05:14 Obsid: 32243 SI: ACIS-S (10 ksec) Target: NGC 4593 2026:157:04:55:29 Grating: NONE 2026:157:05:23:28 Obsid: 32372 SI: ACIS-I (10 ksec) Target: PSR J1015-5719 2026:157:08:37:26 Obsid: 32334 SI: ACIS-S (15 ksec) Target: LEDA 184063 For the weekend: 2026:157:13:19:59 Obsid: 30268 SI: ACIS-I (15 ksec) Target: Center of COSMO 2026:157:18:06:51 Obsid: 32370 SI: ACIS-S (10 ksec) Target: PKS1552m331_fie 2026:157:21:34:49 Obsid: 31884 SI: ACIS-S (15 ksec) Target: ZwCl 0857.9+210 2026:158:02:26:01 Obsid: 32369 SI: ACIS-S (10 ksec) Target: IGR J15549-3740 2026:158:05:57:07 Obsid: 32374 SI: ACIS-S (14 ksec) Target: ZwCl 0857.9+210 2026:158:10:33:32 Obsid: 32371 SI: ACIS-S (5 ksec) Target: 2MASS J12300479 2026:158:12:07:35 Grating: HETG 2026:158:12:09:38 RADMON Disable 2026:158:23:55:04 Grating: NONE 2026:159:00:09:13 RADMON Enable 2026:159:00:31:31 Obsid: 32373 SI: ACIS-I (10 ksec) Target: Center of COSMO NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 2 Supports Completed in the last 24 hours (Total time: 4 hours) 2 SSR dumps Radiation (Solar Activity): Solar activity is expected to be low with a chance for M-class flares and a slight chance for an X-class flare on days one, two, and three (05 Jun, 06 Jun, 07 Jun). Radiation (Geophysical Activity): The geomagnetic field is expected to be at active to severe storm levels on day one (05 Jun), quiet to active levels on day two (06 Jun) and quiet to unsettled levels on day three (07 Jun). MP: No issues. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 32376 SNR G1.9+0.3 ACIS-S NONE 30119 PSR J1015-5719 ACIS-I NONE 30263 Center of COSMOS-Web ACIS-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 156/1145-1345 1230 1330 DSS-23 GOLDSTONE 0830-0930 EDT, Fri 5 Jun 156/1605-1805 1650 1750 DSS-65 MADRID 1250-1350 EDT, Fri 5 Jun 157/1100-1250 1145 1235 DSS-24 GOLDSTONE 0745-0835 EDT, Sat 6 Jun 157/1920-2120 2005 2105 DSS-65 MADRID 1605-1705 EDT, Sat 6 Jun 157/2300-0100 2345 0045 DSS-56 MADRID 1945-2045 EDT, Sat 6 Jun 158/1100-1300 1145 1245 DSS-24 GOLDSTONE 0745-0845 EDT, Sun 7 Jun 158/1930-2130 2015 2115 DSS-54 MADRID 1615-1715 EDT, Sun 7 Jun 159/0215-0415 0300 0400 DSS-24 GOLDSTONE 2300-0000 EDT, Sun 7 Jun 159/0915-1115 1000 1100 DSS-26 GOLDSTONE 0600-0700 EDT, Mon 8 Jun 159/2130-0000 2215 2345 DSS-54 MADRID 1815-1945 EDT, Mon 8 Jun SNAPSHOT summary: ----------------- UTC 2026:156:13:08:01 (Jun 5) f_ACE 1.35e+03 F_CRM 1.37e+08 Kp 5.7 R km 90152A OBT 2026:156:13:07:37 CTUVCDU 3438591 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 897052057.25 ONLVCDU 3438584 OBC Errs 0 OBSID 32333 EPState SUN SIM TTpos 75623 HETG Angle 77.59 PCADMODE NPNT RA 206.136 Bus V 27.42 SIM FApos -467 LETG Angle 76.09 PCONTROL NPNT Dec -22.939 Bus I 19.80 AOFSTAR GUID Roll 261.040 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -4.82 Yaw Rate -0.22 HRC-S HV OFF ACA CCD Temp -8.0 Dith Zang -15.99 Pitch Rate 0.19 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.40 EVT RT 4589 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.11 Batt 1 SOC 100.00% Avg HRMA Temp 74.54 FSS Beta -47.09 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 80.80 SA Resolv 136.78 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 9.86 A +24 V 0.00 HRMA power 29.90 SCS 128 INAC -Y SA Amps 9.48 OBA power 35.10 SCS 129 ACT +Y SA Temp 110.51 SCS 130 ACT -Y SA Temp 110.20 ACIS Stat7-0 6 Roll Mom. -5.104 SCS 131 INAC Cold Rad -123. Pitch Mom. 1.021 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. -7.074 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 148.534 SCS 107 INAC EPH temp 147.16 UpLCmdAcc 8656 IRU2G2 curr 120.00 M Unload MON Cmd Rej A 227 IRU2G1 curr 93.60 Roll Bias 2.0289 TSC Move STOP Prop. line 03 151.92 Pitch Bias -4.2157 FA Move STOP CTX A PWR 36.32 Prop. line 04 134.13 Yaw Bias -1.8394 OTG Move DISA CTX A Volts 3.52 UTC 2026:156:13:08:01 (Jun 5) f_ACE 1.35e+03 F_CRM 1.37e+08 Kp 5.7 R km 90152A Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 1.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 3.67e+03 GOES-R P4 flux, in RADMON P4GM units : 2.00e-02 GOES-R P7 flux, in RADMON P41GM units : 5.56e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 3.04e+02 Orbit Start Time : 2026:156:04:20:43 Geocentric Distance (km), Orbit Leg : 136848 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 5.8402e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 5.8402e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 4.9725e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.3664e+08