See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9808. Start at 149:13:01 GMT PLAN ---- Finish: Obsid: 32365 SI: ACIS-I (13 ksec) Target: Abell 3558 SE Then: 2026:149:17:02:35 Obsid: 30170 SI: ACIS-S (29 ksec) Target: NGC4540 2026:150:01:09:30 Grating: HETG 2026:150:01:44:11 Obsid: 31523 SI: ACIS-S (32 ksec) Target: V444 Cyg 2026:150:10:41:05 Grating: NONE 2026:150:11:11:05 Obsid: 30952 SI: ACIS-S (9 ksec) Target: Kepler's SNR For the weekend: 2026:150:14:00:50 Grating: HETG 2026:150:14:02:53 RADMON Disable 2026:151:01:23:22 Grating: NONE 2026:151:01:43:14 RADMON Enable 2026:151:02:01:06 Obsid: 32359 SI: ACIS-S (19 ksec) Target: Leo A 2026:151:07:49:25 Obsid: 32366 SI: ACIS-I (20 ksec) Target: Abell 2255 2026:151:13:26:19 Grating: HETG 2026:151:13:53:30 Obsid: 31522 SI: ACIS-S (31 ksec) Target: V444 Cyg 2026:151:22:33:45 Grating: NONE 2026:151:23:05:43 Obsid: 30126 SI: ACIS-S (10 ksec) Target: SNR G1.9+0.3 2026:152:02:38:10 Obsid: 32368 SI: ACIS-S (20 ksec) Target: EP260302a 2026:152:08:50:14 Obsid: 32242 SI: ACIS-S (11 ksec) Target: SNR G1.9+0.3 2026:152:12:31:00 Obsid: 32377 SI: ACIS-S (23 ksec) Target: EP260302a 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 on days one, two, and three (29 May, 30 May, 31 May). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to unsettled levels on days one and two (29 May, 30 May) and quiet to active levels on day three (31 May). MP: No issues. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30398 ZwCl 0857.9+2107 ACIS-S NONE 32361 NGC5728 ACIS-S NONE 30202 NGC5728 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 149/1305-1505 1350 1450 DSS-36 CANBERRA 0950-1050 EDT, Fri 29 May 149/1810-2010 1855 1955 DSS-54 MADRID 1455-1555 EDT, Fri 29 May 150/0200-0350 0245 0335 DSS-65 MADRID 2245-2335 EDT, Fri 29 May 150/0915-1115 1000 1100 DSS-24 GOLDSTONE 0600-0700 EDT, Sat 30 May 150/1530-1730 1615 1715 DSS-36 CANBERRA 1215-1315 EDT, Sat 30 May 151/0015-0215 0100 0200 DSS-24 GOLDSTONE 2100-2200 EDT, Sat 30 May 151/0915-1115 1000 1100 DSS-26 GOLDSTONE 0600-0700 EDT, Sun 31 May 151/1700-1900 1745 1845 DSS-56 MADRID 1345-1445 EDT, Sun 31 May 152/0115-0315 0200 0300 DSS-24 GOLDSTONE 2200-2300 EDT, Sun 31 May 152/1225-1425 1310 1410 DSS-36 CANBERRA 0910-1010 EDT, Mon 1 Jun 152/1915-2115 2000 2100 DSS-65 MADRID 1600-1700 EDT, Mon 1 Jun SNAPSHOT summary: ----------------- UTC 2026:149:01:52:01 (May29) f_ACE 1.33e+01 F_CRM 8.43e+07 Kp 3.3 R km 132240A OBT 2026:149:01:49:46 CTUVCDU 919679 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 896406586.13 ONLVCDU 919672 OBC Errs 0 OBSID 32363 EPState SUN SIM TTpos 75623 HETG Angle 77.59 PCADMODE NPNT RA 135.152 Bus V 27.42 SIM FApos -467 LETG Angle 76.09 PCONTROL NPNT Dec 20.924 Bus I 21.34 AOFSTAR GUID Roll 246.001 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -2.76 Yaw Rate -0.36 HRC-S HV OFF ACA CCD Temp -6.6 Dith Zang 13.32 Pitch Rate -0.29 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.24 EVT RT 3824 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa 9.04 Batt 1 SOC 100.00% Avg HRMA Temp 74.54 FSS Beta 25.68 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 83.54 SA Resolv 63.85 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 10.44 A +24 V 0.00 HRMA power 29.90 SCS 128 ACT -Y SA Amps 10.63 OBA power 0.00 SCS 129 ACT +Y SA Temp 108.44 SCS 130 ACT -Y SA Temp 107.64 ACIS Stat7-0 6 Roll Mom. -2.351 SCS 131 ACT Cold Rad -123. Pitch Mom. -4.246 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. -0.675 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 151.731 SCS 107 INAC EPH temp 138.67 UpLCmdAcc 60802 IRU2G2 curr 122.40 M Unload MON Cmd Rej A 162 IRU2G1 curr 93.60 Roll Bias 2.0266 TSC Move STOP Prop. line 03 168.93 Pitch Bias -4.2122 FA Move STOP CTX B PWR 36.92 Prop. line 04 142.92 Yaw Bias -1.8424 OTG Move DISA CTX B Volts 3.54 UTC 2026:149:13:01:01 (May29) f_ACE 1.46e+01 F_CRM 8.78e+07 Kp 3.7 R km 144582D Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 1.0 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.50e+01 GOES-R P4 flux, in RADMON P4GM units : 8.01e-02 GOES-R P7 flux, in RADMON P41GM units : 1.11e-02 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 2.99e+02 Orbit Start Time : 2026:148:05:55:43 Geocentric Distance (km), Orbit Leg : 144583 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 4.0133e+01 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 4.0133e+01 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.7930e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 8.7789e+07