See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9764. Start at 105:16:39 GMT PLAN ---- Finish: Then: 2026:106:00:22:12 Grating: NONE 2026:106:00:49:39 RADMON Enable 2026:106:01:03:13 Obsid: 32303 SI: ACIS-S (12 ksec) Target: LEDA 184063 2026:106:05:26:42 Obsid: 31420 SI: ACIS-S (20 ksec) Target: Abell 2319 2026:106:11:59:41 Obsid: 32304 SI: ACIS-S (11 ksec) Target: LEDA 184063 2026:106:16:04:29 Grating: HETG NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 5.3 hours) 3 SSR dumps Loads good through: 2026:109:03:05:02.000 Radiation (Solar Activity): Solar activity is likely to be low with a slight chance for an M-class flare on days one and two (15 Apr, 16 Apr) and expected to be very low with a chance for a C-class flares on day three (17 Apr). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to active levels on day one (15 Apr), quiet to unsettled levels on day two (16 Apr) and quiet levels on day three (17 Apr). MP: No issues. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 32302 LEDA 184063 ACIS-S NONE 29741 TV Cassiopeia ACIS-S HETG 32295 AM0425-421 ACIS-S NONE 31259 M 87 ACIS-S NONE 31737 MKN421 ACIS-S LETG 29877 SDSS J123733.69+085255.7 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 106/0105-0255 0140 0240 DSS-24 GOLDSTONE 2140-2240 EDT, Wed 15 Apr 106/1030-1230 1115 1215 DSS-26 GOLDSTONE 0715-0815 EDT, Thu 16 Apr 106/1940-2140 2025 2125 DSS-54 MADRID 1625-1725 EDT, Thu 16 Apr SNAPSHOT summary: ----------------- UTC 2026:105:10:13:01 (Apr15) f_ACE 9.10e+00 F_CRM 1.91e+07 Kp 3.3 R km 101092D OBT 2026:105:10:10:12 CTUVCDU 2978559 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 892635012.18 ONLVCDU 2978552 OBC Errs 0 OBSID 30240 EPState SUN SIM TTpos 92903 HETG Angle 77.59 PCADMODE NPNT RA 150.207 Bus V 27.11 SIM FApos -535 LETG Angle 76.09 PCONTROL NPNT Dec 2.368 Bus I 22.37 AOFSTAR GUID Roll 245.000 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -12.89 Yaw Rate -0.05 HRC-S HV OFF ACA CCD Temp -6.9 Dith Zang 12.87 Pitch Rate 0.06 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.37 EVT RT 5354 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa 11.13 Batt 1 SOC 100.00% Avg HRMA Temp 73.57 FSS Beta -36.65 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 81.61 SA Resolv 126.34 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 11.02 A +24 V 0.00 HRMA power 61.40 SCS 128 ACT -Y SA Amps 10.83 OBA power 0.00 SCS 129 ACT +Y SA Temp 111.43 SCS 130 ACT -Y SA Temp 111.12 ACIS Stat7-0 6 Roll Mom. 6.985 SCS 131 ACT Cold Rad -113. Pitch Mom. -1.488 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -74.7 Yaw Mom. -3.244 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 150.132 SCS 107 INAC EPH temp 178.27 UpLCmdAcc 45242 IRU2G2 curr 117.60 M Unload MON Cmd Rej A 39 IRU2G1 curr 96.00 Roll Bias 2.0002 TSC Move STOP Prop. line 03 148.52 Pitch Bias -4.1953 FA Move STOP CTX B PWR 36.92 Prop. line 04 131.94 Yaw Bias -1.8176 OTG Move DISA CTX B Volts 3.54 UTC 2026:105:16:39:01 (Apr15) f_ACE 1.19e+01 F_CRM 7.50e+07 Kp 1.0 R km 61026D Currently scheduled FPSI, OTG : HRC-S HETG Estimated Kp : 1.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 4.87e+00 GOES-R P4 flux, in RADMON P4GM units : 4.08e-02 GOES-R P7 flux, in RADMON P41GM units : 2.80e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 2.54e+03 Orbit Start Time : 2026:103:06:56:10 Geocentric Distance (km), Orbit Leg : 61660 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 9.8850e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.0000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.4202e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 7.4993e+07