HRC SOT Shift Report See http://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Report M9896 Start at 237:15:30 = 11:30am Tuesday, August 25, 2026 End at 237:16:11 = 11:56am Tuesday August 25, 2026 HRC SOT Shift Report M9896 HRC Personnel: Dan Patnaude, Ralph Kraft, Gerrit Schellenberger, Tom Gauron PLAN: ---- Execute CAP 1804B NOTES/ISSUES/PROBLEMS: ---------------------- No issues with the detector. The expected rate for the source is 0.1 c/s, but the source is not obvious in the raw data. Valid and total event rates for the detector averaged about 140 c/s for the duration. CLD Files used: NONE SUMMARY: -------- The HRC-S HV ramp up completed as commanded and data was acquired for the duration of the activity. UTC 2026:237:15:43:02 (Aug25) f_ACE 1.17e+02 F_CRM 5.12e+08 Kp 1.7 R km 105428D OBT 2026:237:15:42:32 CTUVCDU 14008475 OBC s/w NRML FMT1_EPS CPEstat NORM OBT 904059752.37 ONLVCDU 14008472 OBC Errs 0 OBSID 32496 EPState SUN SIM TTpos -99616 HETG Angle 77.59 PCADMODE NPNT RA 188.743 Bus V 27.42 SIM FApos -1060 LETG Angle 75.71 PCONTROL NPNT Dec -64.553 Bus I 18.77 AOFSTAR GUID Roll 214.644 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 11.03 Yaw Rate -0.16 HRC-S HV ON ACA CCD Temp -5.4 Dith Zang -9.16 Pitch Rate -0.16 SHLD HV 8.0 ACA Int Time 1.698 Roll Rate 0.19 EVT RT 5864 AOACSTAT OK FSS SunBeta SUN SHLD RT 5609 FSS Alfa -0.32 Batt 1 SOC 100.00% Avg HRMA Temp 74.86 FSS Beta 10.00 Batt 2 SOC 100.00% A -15 V -14.45 Avg OBA Temp 85.79 SA Resolv 79.38 Batt 3 SOC 100.00% A +15 V 14.53 OBA Tavg Fault NFLT SA Sun Pres ILLM A +5 V 4.84 OBA Trng Fault NFLT +Y SA Amps 9.47 A +24 V 0.00 HRMA power 0.00 SCS 128 INAC -Y SA Amps 9.29 OBA power 0.00 SCS 129 ACT +Y SA Temp 110.20 SCS 130 ACT -Y SA Temp 109.58 ACIS Stat7-0 64 Roll Mom. 6.180 SCS 131 INAC Cold Rad -123.1 Pitch Mom. -4.699 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. 5.277 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 153.330 SCS 107 INAC EPH temp 126.31 UpLCmdAcc 34591 IRU2G2 curr 117.60 M Unload MON Cmd Rej A 144 IRU2G1 curr 96.00 Roll Bias 2.0839 TSC Move STOP Prop. line 03 168.93 Pitch Bias -4.2609 FA Move STOP CTX B PWR 36.96 Prop. line 04 140.72 Yaw Bias -1.8635 OTG Move DISA CTX B Volts 3.54 Explanation Current Data: UTC 2026:237:15:43:02 (Aug25) f_ACE 1.17e+02 F_CRM 5.12e+08 Kp 1.7 R km 105428D Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 2.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.29e+01 GOES-R P4 flux, in RADMON P4GM units : 1.20e+00 GOES-R P7 flux, in RADMON P41GM units : 8.39e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 1.40e+03 Orbit Start Time : 2026:177:08:08:58 Geocentric Distance (km), Orbit Leg : 99508 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.8248e+04 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.8248e+04 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 8.1745e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 5.1173e+08