See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L7923. Start at 090:13:00 GMT PLAN ---- Finish: Obsid: 23384 SI: HRC-S, LETG (30 ksec) Target: TW Hya Then: 2021:090:16:36:34 Grating: NONE 2021:090:17:25:31 Obsid: 23416 SI: ACIS-S (10 ksec) Target: 2MASS J12150885 2021:090:20:40:11 Obsid: 23013 SI: ACIS-I (28 ksec) Target: JWST-DTDF-1 2021:091:04:43:06 RADMON Disable 2021:091:18:32:25 RADMON Enable NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports completed in the last 24 hours (total time: 6.6 hours) 7 SSR dumps Radiation: Solar activity is expected to be very low on days one, two, and three (31 Mar, 01 Apr, 02 Apr). MP: Apr0521 loads are in work. A couple of TOOs were triggered but they will not impact the current schedule. Eng: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 24347 PSZ2 G282.28+49.94 ACIS-I NONE 23383 TW Hya HRC-S LETG 23682 MGJ0414+0534 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 090/1100-1300 1145 1245 DSS-65 MADRID 0745-0845 EDT, Wed 31 Mar 090/2110-2325 2210 2310 DSS-26 GOLDSTONE 1810-1910 EDT, Wed 31 Mar 091/0145-0400 0245 0345 DSS-65 MADRID 2245-2345 EDT, Wed 31 Mar 091/0915-1130 1015 1115 DSS-36 CANBERRA 0615-0715 EDT, Thu 1 Apr 091/1635-1850 1735 1835 DSS-36 CANBERRA 1335-1435 EDT, Thu 1 Apr SNAPSHOT summary: ---------------- UTC 2021:090:12:45:02 (Mar31) f_ACE 2.13e+01 F_CRM 1.00e+00 Kp 1.7 R km 135985D OBT 2021:090:12:42:08 CTUVCDU 3806463 OBC s/w NRML FMT1_NORM CPEstat NORM OBT 733581728.19 ONLVCDU 3806456 OBC Errs 0 OBSID 23384 EPState SUN SIM TTpos -99616 HETG Angle 77.96 PCADMODE NPNT RA 165.441 Bus V 28.20 SIM FApos -990 LETG Angle 4.09 PCONTROL NPNT Dec -34.693 Bus I 25.20 AOFSTAR GUID Roll 318.156 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTS Dith Yang -16.29 Yaw Rate 0.66 HRC-S HV ON ACA CCD Temp -9.1 Dith Zang -19.80 Pitch Rate 0.17 SHLD HV 8.0 ACA Int Time 1.698 Roll Rate 0.70 EVT RT 255 AOACSTAT OK FSS SunBeta NSUN SHLD RT 5099 FSS Alfa 16.16 Batt 1 SOC 100.00% Avg HRMA Temp 72.19 FSS Beta -49.71 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 65.53 SA Resolv 142.19 Batt 3 SOC 100.00% Cold Rad -123.1 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -82.0 OBA Trng Fault NFLT +Y SA Amps 12.76 RadMon ENAB HRMA power 62.90 SCS 128 ACT -Y SA Amps 12.18 OBA power 78.70 SCS 129 ACT +Y SA Temp 115.12 SCS 130 ACT -Y SA Temp 115.12 Roll Mom. 10.897 SCS 131 ACT Pitch Mom. -13.544 SCS 132 ACT Ephin Temp 0.0000 UpLCmdAcc 18808 Yaw Mom. 12.414 SCS 133 ACT EIO Temp 0.0000 Cmd Rej A 82 PMTANKP 132.547 SCS 107 INAC EPH temp 158.47 IRU2G2 curr 112.80 M Unload MON IRU2G1 curr 93.60 Roll Bias 0.5956 TSC Move STOP Prop. line 03 129.74 Pitch Bias -2.6349 CTX B PWR 36.69 FA Move STOP Prop. line 04 115.08 Yaw Bias -1.5561 CTX B Volts 3.54 OTG Move DISA UTC 2021:090:12:58:02 (Mar31) f_ACE 2.13e+01 F_CRM 1.00e+00 Kp 1.7 R km 135517D Currently scheduled FPSI, OTG : HRC-S LETG Estimated Kp : 1.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.15e+01 GOES-R P4 flux, in RADMON P4GM units : 0.039 GOES-R P7 flux, in RADMON P41GM units : 0.013 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 4.0 Orbit Start Time : 2021:088:18:39:01 Geocentric Distance (km), Orbit Leg : 135662 D CRM Region : 1 (Solar_Wind) External Proton Flux (p/cm^2-s-sr-MeV) : 2.1500e+01 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.0000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 9.1948e+07 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.9355e+07