See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L7978. Start at 145:13:00 GMT PLAN ---- Finish: Obsid: 22543 SI: ACIS-I (23 ksec) Target: MRC 0411-647 Then: 2021:145:18:18:36 Obsid: 24712 SI: ACIS-S (31 ksec) Target: 1E161346-5055 2021:146:03:33:41 Obsid: 25053 SI: ACIS-S (26 ksec) Target: Gaia DR2 507488 2021:146:11:17:38 Obsid: 25052 SI: ACIS-I (23 ksec) Target: MRC 0411-647 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: Radiation: Solar activity is expected to be very low with a chance for a C-class flares and a slight chance for an M-class flare on day one (25 May) and expected to be very low with a chance for a C-class flares on days two and three (26 May, 27 May). MP: May3121 loads are in work. Eng: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 24982 G21.5-09 HRC-I NONE 22593 Sgr A* ACIS-S NONE 24642 G104.52+01.24 ACIS-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 145/1635-1850 1735 1835 DSS-34 CANBERRA 1335-1435 EDT, Tue 25 May 145/2210-0025 2310 0010 DSS-56 MADRID 1910-2010 EDT, Tue 25 May 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 SNAPSHOT summary: ---------------- UTC 2021:145:11:14:02 (May25) f_ACE 2.64e+01 F_CRM 1.00e+00 Kp 0.3 R km 146051A OBT 2021:145:11:10:49 CTUVCDU 5552255 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 738328249.31 ONLVCDU 5552248 OBC Errs 0 OBSID 22543 EPState SUN SIM TTpos 92903 HETG Angle 77.96 PCADMODE NMAN RA 49.817 Bus V 28.67 SIM FApos -535 LETG Angle 76.46 PCONTROL NPNT Dec -54.881 Bus I 21.86 AOFSTAR GUID Roll 165.944 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc RRRRNRRR Dith Yang -7.86 Yaw Rate -127.30 HRC-S HV OFF ACA CCD Temp -9.5 Dith Zang -7.74 Pitch Rate -143.43 SHLD HV 8.0 ACA Int Time 1.698 Roll Rate 42.51 EVT RT 509 AOACSTAT OK FSS SunBeta SUN SHLD RT 5354 FSS Alfa 1.80 Batt 1 SOC 100.00% Avg HRMA Temp 72.33 FSS Beta 13.12 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 61.77 SA Resolv 75.50 Batt 3 SOC 100.00% Cold Rad -120.7 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -77.1 OBA Trng Fault NFLT +Y SA Amps 10.83 RadMon ENAB HRMA power 19.20 SCS 128 ACT -Y SA Amps 10.63 OBA power 43.20 SCS 129 ACT +Y SA Temp 110.82 SCS 130 ACT -Y SA Temp 110.82 Roll Mom. 6.967 SCS 131 ACT Pitch Mom. 3.659 SCS 132 ACT Ephin Temp 0.0000 UpLCmdAcc 10479 Yaw Mom. -15.586 SCS 133 ACT EIO Temp 0.0000 Cmd Rej A 122 PMTANKP 132.547 SCS 107 INAC EPH temp 130.12 IRU2G2 curr 110.40 M Unload MON IRU2G1 curr 93.60 Roll Bias 0.6331 TSC Move STOP Prop. line 03 116.70 Pitch Bias -2.6785 CTX B PWR 36.69 FA Move STOP Prop. line 04 90.80 Yaw Bias -1.5715 CTX B Volts 3.54 OTG Move DISA UTC 2021:145:12:58:01 (May25) f_ACE 2.62e+01 F_CRM 1.00e+00 Kp 0.3 R km 147075A Currently scheduled FPSI, OTG : ACIS-I NONE Estimated Kp : 0.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.96e+01 GOES-R P4 flux, in RADMON P4GM units : 0.040 GOES-R P7 flux, in RADMON P41GM units : 0.023 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 953.0 Orbit Start Time : 2021:144:07:24:01 Geocentric Distance (km), Orbit Leg : 147047 A CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 6.6214e+01 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 6.6214e+01 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 6.6758e+07 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 8.0550e+06