See http://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L7222. Start at 120:13:00 GMT PLAN ---- Finish: Obsid: 22213 SI: ACIS-S, HETG (30 ksec) Target: GRS 1915+105 Then: 2019:120:13:13:29 Grating: NONE 2019:120:13:47:48 Obsid: 21138 SI: ACIS-I (67 ksec) Target: NGC 1502 2019:121:08:37:10 RADMON Disable 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 on days one, two, and three (30 Apr, 01 May, 02 May). MP: May0619 loads are in work. Eng: Unusual Battery 2 trickle charge current behavior in day 2019:118 back-orbit data is under investigation. Between 03:59:41 UTC and 04:01:04 UTC, the charge current faded to zero (0 counts) and then increased back to a normal value. Such behavior has not been seen before. The charge current behavior of the other two batteries was nominal. This behavior had no operational impact. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 21494 MRC1217-209 ACIS-S NONE 20604 PSS 1326+0743 ACIS-S NONE 22208 Cen_X4_s3 ACIS-S NONE 22211 Cen_X4_s4 ACIS-S NONE 21496 MRC1232-249 ACIS-S NONE 21698 Centaurus A ACIS-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 120/1330-1545 1430 1530 DSS-24 GOLDSTONE 1030-1130 EDT, Tue 30 Apr 120/2140-2355 2240 2340 DSS-54 MADRID 1840-1940 EDT, Tue 30 Apr 121/0245-0500 0345 0445 DSS-24 GOLDSTONE 2345-0045 EDT, Tue 30 Apr 121/1730-2045 1830 2030 DSS-36 CANBERRA 1430-1630 EDT, Wed 1 May SNAPSHOT summary: ---------------- UTC 2019:120:04:58:02 (Apr30) f_ACE 2.25e+01 F_CRM 4.96e+08 Kp 2.0 R km 137998A OBT 2019:120:04:55:37 CTUVCDU 215935 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 672987337.86 ONLVCDU 215920 OBC Errs 0 OBSID 22213 EPState SUN SIM TTpos 72440 HETG Angle 5.96 PCADMODE NPNT RA 288.815 Bus V 28.83 SIM FApos -467 LETG Angle 76.84 PCONTROL NPNT Dec 10.926 Bus I 21.34 AOFSTAR GUID Roll 108.281 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang -3.85 Yaw Rate -0.13 HRC-S HV OFF ACA CCD Temp -13.0 Dith Zang -6.65 Pitch Rate -0.02 SHLD HV 8.0 ACA Int Time 1.698 Roll Rate -0.08 EVT RT 0 AOACSTAT OK FSS SunBeta SUN SHLD RT 18 FSS Alfa -0.24 Batt 1 SOC 100.00% Avg HRMA Temp 72.04 FSS Beta -14.71 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 59.11 SA Resolv 104.84 Batt 3 SOC 100.00% Cold Rad -118.3 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -79.6 OBA Trng Fault NFLT +Y SA Amps 10.63 RadMon ENAB HRMA power 0.00 SCS 128 ACT -Y SA Amps 10.44 OBA power 35.10 SCS 129 ACT +Y SA Temp 113.28 SCS 130 ACT -Y SA Temp 112.66 Roll Mom. 11.400 SCS 131 ACT Pitch Mom. 6.439 SCS 132 ACT Ephin Temp 0.0000 UpLCmdAcc 44596 Yaw Mom. -8.650 SCS 133 ACT EIO Temp 0.0000 Cmd Rej A 200 PMTANKP 137.343 SCS 107 INAC EPH temp 128.21 IRU1G2 curr 108.00 M Unload MON IRU2G1 curr 98.40 Roll Bias -2.9484 TSC Move STOP Prop. line 03 105.75 Pitch Bias 0.7595 CTX A PWR 36.38 FA Move STOP Prop. line 04 70.46 Yaw Bias -0.2261 CTX A Volts 3.52 OTG Move DISA UTC 2019:120:12:59:01 (Apr30) f_ACE 2.66e+01 F_CRM 4.97e+08 Kp 0.0 R km 135239D Currently scheduled FPSI, OTG : ACIS-S HETG Estimated Kp : 0.0 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.43e+01 GOES-13 P2 flux, in RADMON P4GM units : 0.28 GOES-15 P2 flux, in RADMON P4GM units : 0.10 GOES-13 P5 flux, in RADMON P41GM units : 0.22 GOES-15 P5 flux, in RADMON P41GM units : 0.01 GOES-13 E > 2.0 MeV flux (p/cm^2-s-sr) : 28.9 Orbit Start Time : 2019:118:23:30:01 Geocentric Distance (km), Orbit Leg : 135314 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.2449e+01 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 2.4899e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.8433e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 5.1539e+08