See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L8918. Start at 355:14:00 GMT PLAN ---- Start in radiation zone Then: 2023:355:20:35:37 Grating: NONE 2023:355:20:39:08 Grating: LETG 2023:355:21:05:36 RADMON Enable 2023:355:21:21:45 Obsid: 28661 SI: ACIS-S (30 ksec) Target: MKN421 2023:356:05:45:19 Grating: NONE 2023:356:06:13:53 Obsid: 26801 SI: ACIS-S (3 ksec) Target: SDSS J074941.16 2023:356:07:35:48 Obsid: 29124 SI: ACIS-S (10 ksec) Target: 1ES_1101m232_s3 2023:356:11:11:04 Obsid: 29128 SI: ACIS-I (9 ksec) Target: Orion Nebula Cl NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 6.9 hours) 3 SSR dumps Radiation: Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (21 Dec, 22 Dec, 23 Dec). MP: Dec2523A load reviews due at noon today ENG: I appear that the corrupted telemetry frame notes yesterday was due to a DSN ground system issue, not a spacecraft issue. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 29126 7C 1754+6737 ACIS-S NONE 27059 Orion Nebula Cluster ACIS-I NONE 28290 SDSS J115229.13+082154.5 ACIS-S NONE 29134 R Mon ACIS-S NONE 26904 7C 1754+6737 ACIS-S NONE 25890 DELS J091054.53-041406.8 ACIS-I NONE 29133 R Mon ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 355/1400-1615 1500 1600 DSS-65 MADRID 1000-1100 EST, Thu 21 Dec 356/1110-1325 1210 1310 DSS-54 MADRID 0710-0810 EST, Fri 22 Dec 356/1650-1905 1750 1850 DSS-56 MADRID 1250-1350 EST, Fri 22 Dec 356/2245-0100 2345 0045 DSS-26 GOLDSTONE 1845-1945 EST, Fri 22 Dec SNAPSHOT summary: ----------------- UTC 2023:355:03:33:02 (Dec21) f_ACE 3.13e+01 F_CRM 0.00e+00 Kp 3.0 R km 116643D OBT 2023:355:03:30:24 CTUVCDU 2851199 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 819516624.25 ONLVCDU 2851192 OBC Errs 0 OBSID 27065 EPState SUN SIM TTpos 92903 HETG Angle 77.96 PCADMODE NPNT RA 84.126 Bus V 26.79 SIM FApos -535 LETG Angle 76.09 PCONTROL NPNT Dec -69.427 Bus I 24.69 AOFSTAR GUID Roll 351.972 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 15.94 Yaw Rate -0.00 HRC-S HV OFF ACA CCD Temp -5.1 Dith Zang 10.55 Pitch Rate 0.06 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.11 EVT RT 6374 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa 3.69 Batt 1 SOC 100.00% Avg HRMA Temp 73.82 FSS Beta 2.61 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 66.87 SA Resolv 87.27 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 94.40 SCS 128 ACT -Y SA Amps 11.98 OBA power 0.00 SCS 129 INAC +Y SA Temp 117.68 SCS 130 ACT -Y SA Temp 117.32 ACIS Stat7-0 6 Roll Mom. -1.137 SCS 131 ACT Cold Rad -118. Pitch Mom. -10.269 SCS 132 INAC Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. -8.023 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 145.336 SCS 107 INAC EPH temp 161.30 UpLCmdAcc 23952 IRU2G2 curr 110.40 M Unload MON Cmd Rej A 96 IRU2G1 curr 96.00 Roll Bias 1.4172 TSC Move STOP Prop. line 03 134.13 Pitch Bias -3.5213 FA Move STOP CTX A PWR 36.32 Prop. line 04 119.92 Yaw Bias -1.7398 OTG Move DISA CTX A Volts 3.52 UTC 2023:355:14:00:02 (Dec21) f_ACE 3.70e+01 F_CRM 0.00e+00 Kp 0.7 R km 43990D Currently scheduled FPSI, OTG : HRC-S HETG Estimated Kp : 0.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 3.70e+01 GOES-R P4 flux, in RADMON P4GM units : 0.040 GOES-R P7 flux, in RADMON P41GM units : 0.003 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 985.0 Orbit Start Time : 0.005 Geocentric Distance (km), Orbit Leg : 44180 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 2.3688e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.0000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 7.1301e+04 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 0.0000e+00