See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L8835. Start at 272:13:00 GMT PLAN ---- Finish: Obsid: 25702 SI: ACIS-S (30 ksec) Target: PSZ2 G075.85+15 Then: 2023:272:21:39:02 Obsid: 28934 SI: ACIS-I (20 ksec) Target: Abell 2744 2023:273:03:15:57 Grating: LETG 2023:273:03:54:47 Obsid: 28939 SI: HRC-S (14 ksec) Target: SNR 1987A 2023:273:07:57:17 Grating: NONE 2023:273:08:33:45 Obsid: 26797 SI: ACIS-S (6 ksec) Target: SDSS J014128.26 2023:273:10:22:54 Grating: HETG 2023:273:10:24:57 RADMON Disable For the weekend: 2023:273:23:00:16 RADMON Enable 2023:273:23:25:06 Grating: NONE 2023:274:00:10:34 Obsid: 26806 SI: ACIS-S (4 ksec) Target: SDSS J082603.32 2023:274:02:07:32 Obsid: 28935 SI: ACIS-I (11 ksec) Target: Slug nebula 2023:274:05:53:24 Obsid: 25750 SI: ACIS-S (10 ksec) Target: IRAS 09104+4109 2023:274:09:22:46 Obsid: 28936 SI: ACIS-I (11 ksec) Target: Slug nebula 2023:274:13:08:49 Obsid: 28933 SI: ACIS-S (10 ksec) Target: IRAS 09104+4109 2023:274:16:31:41 Obsid: 25471 SI: ACIS-S (24 ksec) Target: PSZ2 G075.85+15 2023:275:00:03:54 Obsid: 27739 SI: ACIS-I (21 ksec) Target: Abell 2744 2023:275:06:45:02 Obsid: 25570 SI: HRC-S (1 ksec) Target: Vega 2023:275:07:11:38 Obsid: 25566 SI: HRC-I (2 ksec) Target: Vega 2023:275:07:53:34 Obsid: 25567 SI: HRC-S (2 ksec) Target: Vega 2023:275:08:36:59 Obsid: 25568 SI: HRC-S (1 ksec) Target: Vega 2023:275:09:03:40 Obsid: 25569 SI: HRC-S (1 ksec) Target: Vega 2023:275:09:45:35 Obsid: 25143 SI: ACIS-I (21 ksec) Target: SS 433 w2 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 2 Supports Completed in the last 24 hours (Total time: 5.1 hours) 2 SSR dumps Loads good through: 2023:276:12:24:04 Radiation: Solar activity is expected to be low with a 30% chance for M-class flares on days one, two, and three (29 Sep, 30 Sep, 01 Oct). MP: Oct0223A loads were approved yesterday. ENG: Yesterday on the afternoon support, the ACIS Cold Radiator temperature side B (1CRBT) has been found at an unusually high value. After an investigation by ACIS and thermal, the conclusion was that the B-side thermistor had failed. All other temperatures in the area were nominal, including that of the A-side ACIS Cold Radiator thermistor. Working on changing limits for the failed thermistor. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 25776 ESO 338-4 ACIS-I NONE 25717 QSO J0041-4936 ACIS-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 272/1755-2010 1855 1955 DSS-54 MADRID 1455-1555 EDT, Fri 29 Sep 273/0010-0225 0110 0210 DSS-54 MADRID 2110-2210 EDT, Fri 29 Sep 273/0915-1130 1015 1115 DSS-34 CANBERRA 0615-0715 EDT, Sat 30 Sep 273/1750-2100 1850 2045 DSS-54 MADRID 1450-1645 EDT, Sat 30 Sep 274/0130-0345 0230 0330 DSS-26 GOLDSTONE 2230-2330 EDT, Sat 30 Sep 274/0935-1150 1035 1135 DSS-54 MADRID 0635-0735 EDT, Sun 1 Oct 274/1800-2015 1900 2000 DSS-54 MADRID 1500-1600 EDT, Sun 1 Oct 275/0130-0345 0230 0330 DSS-26 GOLDSTONE 2230-2330 EDT, Sun 1 Oct 275/1435-1650 1535 1635 DSS-54 MADRID 1135-1235 EDT, Mon 2 Oct SNAPSHOT summary: ----------------- UTC 2023:272:03:09:01 (Sep29) f_ACE 1.71e+02 F_CRM 0.00e+00 Kp 1.3 R km 149372A OBT 2023:272:03:06:25 CTUVCDU 8414847 OBC s/w NRML FMT1_NORM CPEstat NORM OBT 812343985.48 ONLVCDU 8414840 OBC Errs 0 OBSID 28931 EPState SUN SIM TTpos -99616 HETG Angle 77.96 PCADMODE NPNT RA 343.503 Bus V 27.11 SIM FApos -990 LETG Angle 4.09 PCONTROL NPNT Dec -17.573 Bus I 23.91 AOFSTAR GUID Roll 311.082 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -8.06 Yaw Rate -0.18 HRC-S HV ON ACA CCD Temp -6.2 Dith Zang 2.16 Pitch Rate -0.09 SHLD HV 8.0 ACA Int Time 1.698 Roll Rate 0.10 EVT RT 5609 AOACSTAT OK FSS SunBeta NSUN SHLD RT 4589 FSS Alfa -49.60 Batt 1 SOC 100.00% Avg HRMA Temp 73.39 FSS Beta -49.72 Batt 2 SOC 100.00% A -15 V -14.45 Avg OBA Temp 66.94 SA Resolv 151.50 Batt 3 SOC 100.00% A +15 V 14.53 OBA Tavg Fault NFLT SA Sun Pres ILLM A +5 V 4.84 OBA Trng Fault NFLT +Y SA Amps 11.60 A +24 V 0.00 HRMA power 52.20 SCS 128 ACT -Y SA Amps 11.21 OBA power 0.00 SCS 129 ACT +Y SA Temp 114.20 SCS 130 ACT -Y SA Temp 113.89 ACIS Stat7-0 6 Roll Mom. 3.656 SCS 131 ACT Cold Rad -123. Pitch Mom. 2.417 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. -10.666 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 146.935 SCS 107 INAC EPH temp 178.27 UpLCmdAcc 10815 IRU2G2 curr 110.40 M Unload MON Cmd Rej A 185 IRU2G1 curr 98.40 Roll Bias 1.3596 TSC Move STOP Prop. line 03 131.94 Pitch Bias -3.4531 FA Move STOP CTX A PWR 36.38 Prop. line 04 125.35 Yaw Bias -1.7352 OTG Move DISA CTX A Volts 3.52 UTC 2023:272:12:48:01 (Sep29) f_ACE 4.62e+01 F_CRM 0.00e+00 Kp 2.7 R km 152637D Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 2.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 4.62e+01 GOES-R P4 flux, in RADMON P4GM units : 0.039 GOES-R P7 flux, in RADMON P41GM units : 0.008 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 1260.0 Orbit Start Time : 0.008 Geocentric Distance (km), Orbit Leg : 152678 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.2699e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.2699e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.8224e+05 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.8224e+05