See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9412. Start at 118:13:00 GMT PLAN ---- Finish: Obsid: 30145 SI: ACIS-S (19 ksec) Target: NGC1317 Then: 2025:118:16:08:19 Obsid: 30916 SI: ACIS-S (20 ksec) Target: GW170817 2025:118:21:47:08 Grating: HETG 2025:118:21:49:11 RADMON Disable 2025:119:07:09:55 Grating: NONE 2025:119:07:33:10 RADMON Enable 2025:119:07:55:28 Obsid: 28241 SI: ACIS-S (3 ksec) Target: SDSS J231958.03 2025:119:09:31:20 Obsid: 28107 SI: ACIS-I (24 ksec) Target: UGCA281 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 8 Supports Completed over the weekend (Total time: 15.8 hours) 8 SSR dumps. Loads good through: 2025:122:14:59:50.000 CAP's / Procedures Run: CAP # | Time | Title / Description / Notes [1780] | 115/1735z | PR-629 IRU Calibration and Initial Gyro Bias Patch Uplink [750AP] | 116/0209z | Low Rate Dump of the On-line OBC Checksummed Memory (XSUM_1) [750AQ] | 116/1725z | Low Rate Dump of the On-line OBC Checksummed Memory (XSUM_2) [750AR] | 117/0256z | Low Rate Dump of the On-line OBC Checksummed Memory (XSUM_3) [750AS] | 117/1055z | Low Rate Dump of the OFLN OBC Checksummed Memory (XSUM_1) [750AT] | 117/1740z | Low Rate Dump of the Off-line OBC Checksummed Memory (XSUM_2) [750AU] | 118/0240z | Low Rate Dump of the Off-line OBC Checksummed Memory (XSUM_3) Radiation: Solar activity is expected to be low with a slight chance for an M-class flare on days one, two, and three (28 Apr, 29 Apr, 30 Apr). MP: No issues. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30565 A1550 ACIS-I NONE 29105 2MASX J11335602+6701073 ACIS-S NONE 28251 SDSS J134627.56+503838.4 ACIS-S NONE 30149 NGC1809 ACIS-S NONE 30912 HE 1353-1917 HRC-I NONE 29763 1eRASS J132337.3-055925 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 118/1235-1435 1320 1420 DSS-24 GOLDSTONE 0920-1020 EDT, Mon 28 Apr 118/2010-2210 2055 2155 DSS-34 CANBERRA 1655-1755 EDT, Mon 28 Apr 119/1045-1245 1130 1230 DSS-26 GOLDSTONE 0730-0830 EDT, Tue 29 Apr 119/2110-2310 2155 2255 DSS-65 MADRID 1755-1855 EDT, Tue 29 Apr SNAPSHOT summary: ----------------- UTC 2025:118:13:25:01 (Apr28) f_ACE 1.11e+01 F_CRM 4.92e+04 Kp 0.3 R km 120518D OBT 2025:118:13:24:31 CTUVCDU 1780479 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 862233871.03 ONLVCDU 1780472 OBC Errs 0 OBSID 30145 EPState SUN SIM TTpos 75625 HETG Angle 77.59 PCADMODE NPNT RA 50.678 Bus V 27.11 SIM FApos -467 LETG Angle 76.09 PCONTROL NPNT Dec -37.099 Bus I 24.43 AOFSTAR GUID Roll 191.646 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -0.57 Yaw Rate 0.10 HRC-S HV OFF ACA CCD Temp -4.0 Dith Zang -7.56 Pitch Rate 0.10 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.14 EVT RT 4079 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa 5.99 Batt 1 SOC 100.00% Avg HRMA Temp 74.65 FSS Beta 36.67 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 87.08 SA Resolv 52.95 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 29.90 SCS 128 ACT -Y SA Amps 11.98 OBA power 0.00 SCS 129 ACT +Y SA Temp 111.43 SCS 130 ACT -Y SA Temp 110.82 ACIS Stat7-0 6 Roll Mom. -1.296 SCS 131 ACT Cold Rad -123. Pitch Mom. -3.081 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 0.621 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 150.132 SCS 107 INAC EPH temp 164.13 UpLCmdAcc 60246 IRU2G2 curr 115.20 M Unload MON Cmd Rej A 29 IRU2G1 curr 93.60 Roll Bias 1.8076 TSC Move STOP Prop. line 03 168.93 Pitch Bias -3.9570 FA Move STOP CTX A PWR 36.38 Prop. line 04 131.94 Yaw Bias -1.8013 OTG Move DISA CTX A Volts 3.52 UTC 2025:118:13:25:01 (Apr28) f_ACE 1.11e+01 F_CRM 4.92e+04 Kp 0.3 R km 120518D Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 0.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.11e+01 GOES-R P4 flux, in RADMON P4GM units : 0.000 GOES-R P7 flux, in RADMON P41GM units : 0.300 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 386.0 Orbit Start Time : 0.019 Geocentric Distance (km), Orbit Leg : 120579 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.6337e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.6337e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 4.9010e+04 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 4.9174e+04