See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L7979. Start at 146:13:00 GMT PLAN ---- Finish: Obsid: 25052 SI: ACIS-I (23 ksec) Target: MRC 0411-647 Then: 2021:146:17:55:16 RADMON Disable 2021:147:00:22:15 Eclipse [2021:147:01:37:19] 2021:147:05:51:21 RADMON Enable 2021:147:06:13:40 Obsid: 22989 SI: ACIS-I (22 ksec) Target: Westerlund 1 2021:147:12:23:55 Grating: LETG 2021:147:12:55:06 Obsid: 22437 SI: HRC-S (40 ksec) Target: PSR J0821-4300 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 very low with a slight chance for a C-class flare on days one, two, and three (26 May, 27 May, 28 May). MP: May3121A loads should be out today for a review tomorrow. Eng: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 22543 MRC 0411-647 ACIS-I NONE 24681 HD 15337 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 146/1055-1310 1155 1255 DSS-24 GOLDSTONE 0755-0855 EDT, Wed 26 May 146/2030-2245 2130 2230 DSS-26 GOLDSTONE 1730-1830 EDT, Wed 26 May 147/0130-0345 0230 0330 DSS-65 MADRID 2230-2330 EDT, Wed 26 May 147/0915-1130 1015 1115 DSS-26 GOLDSTONE 0615-0715 EDT, Thu 27 May 147/1510-1725 1610 1710 DSS-36 CANBERRA 1210-1310 EDT, Thu 27 May SNAPSHOT summary: ---------------- UTC 2021:146:12:54:01 (May26) f_ACE 2.73e+02 F_CRM 1.00e+00 Kp 0.3 R km 95198D OBT 2021:146:12:51:19 CTUVCDU 5912959 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 738420679.54 ONLVCDU 5912952 OBC Errs 0 OBSID 25052 EPState SUN SIM TTpos 92903 HETG Angle 77.96 PCADMODE NPNT RA 63.027 Bus V 28.67 SIM FApos -535 LETG Angle 76.46 PCONTROL NPNT Dec -64.594 Bus I 22.63 AOFSTAR GUID Roll 180.028 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang 6.04 Yaw Rate -0.24 HRC-S HV OFF ACA CCD Temp -11.2 Dith Zang 4.62 Pitch Rate 0.00 SHLD HV 8.0 ACA Int Time 1.698 Roll Rate -0.30 EVT RT 509 AOACSTAT OK FSS SunBeta SUN SHLD RT 5099 FSS Alfa -0.60 Batt 1 SOC 100.00% Avg HRMA Temp 72.29 FSS Beta 3.93 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 62.55 SA Resolv 85.76 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 11.41 RadMon ENAB HRMA power 39.50 SCS 128 ACT -Y SA Amps 11.21 OBA power 43.60 SCS 129 ACT +Y SA Temp 110.82 SCS 130 INAC -Y SA Temp 110.51 Roll Mom. 4.310 SCS 131 ACT Pitch Mom. -0.263 SCS 132 ACT Ephin Temp 0.0000 UpLCmdAcc 10607 Yaw Mom. -16.062 SCS 133 INAC EIO Temp 0.0000 Cmd Rej A 150 PMTANKP 132.547 SCS 107 INAC EPH temp 130.12 IRU2G2 curr 108.00 M Unload MON IRU2G1 curr 96.00 Roll Bias 0.6367 TSC Move STOP Prop. line 03 165.53 Pitch Bias -2.6786 CTX A PWR 36.38 FA Move STOP Prop. line 04 125.35 Yaw Bias -1.5694 CTX A Volts 3.52 OTG Move DISA UTC 2021:146:12:59:01 (May26) f_ACE 2.73e+02 F_CRM 1.00e+00 Kp 0.3 R km 94740D Currently scheduled FPSI, OTG : ACIS-I NONE Estimated Kp : 0.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.73e+02 GOES-R P4 flux, in RADMON P4GM units : 0.079 GOES-R P7 flux, in RADMON P41GM units : 0.025 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 605.0 Orbit Start Time : 2021:144:07:24:01 Geocentric Distance (km), Orbit Leg : 95198 D CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 5.9477e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 5.9477e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 8.7832e+07 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.9126e+07