See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L8041. Start at 208:13:00 GMT PLAN ---- Finish: 2021:208:04:12:33 Obsid: 22445 SI: ACIS-S (50 ksec) Target: ASASSN-18tb Then: 2021:208:18:38:22 Obsid: 22988 SI: ACIS-I (18 ksec) Target: Westerlund 1 2021:208:23:58:36 Obsid: 23738 SI: ACIS-S (21 ksec) Target: Sgr A* 2021:209:06:13:27 Obsid: 23411 SI: ACIS-S (10 ksec) Target: WR 97 2021:209:09:39:55 Obsid: 25095 SI: ACIS-S (25 ksec) Target: IC 750 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 2 Supports Completed in the last 24 hours (Total time: 4.8 hours) 2 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 (27 Jul, 28 Jul, 29 Jul). MP: Aug0221 loads in work. ENG: During support last night, found a backorbit limit violation on plus wise solar array output, need to investigate if it is just part of normal variation. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 23495 NGC 253 ACIS-I NONE 24289 hete j1900.1-2455 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 208/1910-2125 2010 2110 DSS-54 MADRID 1610-1710 EDT, Tue 27 Jul 209/0130-0345 0230 0330 DSS-54 MADRID 2230-2330 EDT, Tue 27 Jul 209/1215-1415 1300 1400 DSS-26 GOLDSTONE 0900-1000 EDT, Wed 28 Jul 209/1725-1940 1825 1925 DSS-65 MADRID 1425-1525 EDT, Wed 28 Jul SNAPSHOT summary: ----------------- UTC 2021:208:11:29:01 (Jul27) f_ACE 3.02e+01 F_CRM 1.00e+00 Kp 1.0 R km 122206A OBT 2021:208:11:26:33 CTUVCDU 10020479 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 743772393.59 ONLVCDU 10020472 OBC Errs 0 OBSID 22445 EPState SUN SIM TTpos 75624 HETG Angle 77.96 PCADMODE NPNT RA 64.580 Bus V 28.67 SIM FApos -467 LETG Angle 76.46 PCONTROL NPNT Dec -63.628 Bus I 23.40 AOFSTAR GUID Roll 123.277 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang -1.81 Yaw Rate 0.15 HRC-S HV OFF ACA CCD Temp -11.7 Dith Zang 5.91 Pitch Rate 0.04 SHLD HV 8.0 ACA Int Time 1.698 Roll Rate 0.44 EVT RT 255 AOACSTAT OK FSS SunBeta SUN SHLD RT 4844 FSS Alfa -0.57 Batt 1 SOC 100.00% Avg HRMA Temp 71.81 FSS Beta -5.92 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 62.86 SA Resolv 95.63 Batt 3 SOC 100.00% Cold Rad -125.5 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -82.0 OBA Trng Fault NFLT +Y SA Amps 11.60 RadMon ENAB HRMA power 39.20 SCS 128 ACT -Y SA Amps 11.41 OBA power 35.10 SCS 129 ACT +Y SA Temp 110.20 SCS 130 ACT -Y SA Temp 109.58 Roll Mom. 4.374 SCS 131 ACT Pitch Mom. 15.851 SCS 132 ACT Ephin Temp 0.0000 UpLCmdAcc 58508 Yaw Mom. 4.572 SCS 133 ACT EIO Temp 0.0000 Cmd Rej A 34 PMTANKP 132.547 SCS 107 INAC EPH temp 124.40 IRU2G2 curr 108.00 M Unload MON IRU2G1 curr 93.60 Roll Bias 0.6995 TSC Move STOP Prop. line 03 151.92 Pitch Bias -2.7448 CTX B PWR 36.69 FA Move STOP Prop. line 04 129.74 Yaw Bias -1.5863 CTX B Volts 3.54 OTG Move DISA UTC 2021:208:12:59:02 (Jul27) f_ACE 2.71e+01 F_CRM 1.00e+00 Kp 1.0 R km 122206A Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 1.0 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.71e+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 : 2021:199:20:19:01 Geocentric Distance (km), Orbit Leg : 122206 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 4.5219e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 4.5219e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.7705e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.6749e+08 Due to transition to GOES-16, what used to be P2 is now P4 and what used to be P5 is now P7 This message will dissappear in 01/31/2021