See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L8070. Start at 237:13:00 GMT PLAN ---- Finished: Obsid: 22675 SI: ACIS-S (28 ksec) Target: PSR J0821-4300 Next: 2021:237:12:49:04 Grating: LETG 2021:237:13:25:43 Obsid: 23678, SI: HRC-S (27 ksec) Target: MR 2251-178 2021:237:21:35:56 Obsid: 24775 SI: HRC-S (38 ksec) Target: PSR J0821-4300 2021:238:08:49:29 Obsid: 25983 SI: HRC-S (25 ksec) Target: MR 2251-178 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports completed in the last 24 hours (total time: 6.9 hours) 4 SSR dumps Radiation: Solar activity is expected to be very low with a slight chance for a C-class flare on days one, two, and three (25 Aug, 26 Aug, 27 Aug). MP: Aug3021 loads should be out today for a review tomorrow. Eng: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 24626 4U 1636-53 ACIS-S HETG 24510 SPT-CLJ2031-4037 ACIS-S NONE 24353 3c 297 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 237/1710-1925 1810 1910 DSS-56 MADRID 1410-1510 EDT, Wed 25 Aug 238/0125-0340 0225 0325 DSS-54 MADRID 2225-2325 EDT, Wed 25 Aug 238/0935-1150 1035 1135 DSS-24 GOLDSTONE 0635-0735 EDT, Thu 26 Aug 238/1840-2055 1940 2040 DSS-56 MADRID 1540-1640 EDT, Thu 26 Aug SNAPSHOT summary: ---------------- UTC 2021:237:10:59:01 (Aug25) f_ACE 3.04e+01 F_CRM 1.00e+00 Kp 1.0 R km 122206A OBT 2021:237:10:55:48 CTUVCDU 3014015 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 746276148.91 ONLVCDU 3014008 OBC Errs 0 OBSID 22675 EPState SUN SIM TTpos 75623 HETG Angle 77.96 PCADMODE NPNT RA 125.521 Bus V 28.36 SIM FApos -467 LETG Angle 76.46 PCONTROL NPNT Dec -43.012 Bus I 26.46 AOFSTAR GUID Roll 138.022 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -2.67 Yaw Rate -0.38 HRC-S HV ON ACA CCD Temp -9.9 Dith Zang 0.20 Pitch Rate 0.05 SHLD HV 8.0 ACA Int Time 1.698 Roll Rate -0.59 EVT RT 255 AOACSTAT OK FSS SunBeta SUN SHLD RT 4844 FSS Alfa 8.54 Batt 1 SOC 100.00% Avg HRMA Temp 72.69 FSS Beta 30.25 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 63.33 SA Resolv 59.45 Batt 3 SOC 100.00% Cold Rad -127.9 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -84.4 OBA Trng Fault NFLT +Y SA Amps 12.95 RadMon ENAB HRMA power 94.40 SCS 128 ACT -Y SA Amps 12.95 OBA power 35.10 SCS 129 ACT +Y SA Temp 111.12 SCS 130 INAC -Y SA Temp 110.82 Roll Mom. 5.855 SCS 131 ACT Pitch Mom. -8.762 SCS 132 ACT Ephin Temp 0.0000 UpLCmdAcc 43866 Yaw Mom. -1.093 SCS 133 INAC EIO Temp 0.0000 Cmd Rej A 230 PMTANKP 134.145 SCS 107 INAC EPH temp 144.33 IRU2G2 curr 112.80 M Unload MON IRU2G1 curr 96.00 Roll Bias 0.7647 TSC Move STOP Prop. line 03 162.13 Pitch Bias -2.8086 CTX A PWR 36.32 FA Move STOP Prop. line 04 127.54 Yaw Bias -1.6103 CTX A Volts 3.52 OTG Move DISA UTC 2021:237:12:59:01 (Aug25) f_ACE 3.11e+01 F_CRM 1.00e+00 Kp 1.0 R km 122206A Currently scheduled FPSI, OTG : HRC-S LETG Estimated Kp : 1.0 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 3.56e+01 GOES-R P4 flux, in RADMON P4GM units : 0.039 GOES-R P7 flux, in RADMON P41GM units : 0.015 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 4.0 Orbit Start Time : 2021:199:20:19:01 Geocentric Distance (km), Orbit Leg : 122206 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 4.5644e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.0000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.5769e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 9.1613e+08