See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9349. Start at 055:14:00 GMT PLAN ---- Start in radiation zone Then: 2025:055:21:44:19 Grating: NONE 2025:055:22:03:35 RADMON Enable 2025:055:22:25:53 Obsid: 30587 SI: ACIS-I (15 ksec) Target: Abell 370 2025:056:03:20:04 Obsid: 30239 SI: ACIS-I (14 ksec) Target: Center of COSMO 2025:056:07:58:35 Obsid: 30823 SI: ACIS-I (14 ksec) Target: Abell 370 2025:056:12:33:58 Obsid: 30820 SI: ACIS-I (11 ksec) Target: Center of COSMO NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 8 Supports Completed over the weekend (Total time: 18.4 hours) 8 SSR dumps Loads good through: 2025:059:12:00:01 DSN DR's - M117736, DSS-65, Station unable to gain Reed Solomon Lock at BOT, The receiver was unable to sync, Reinitialized the receiver Radiation: Solar activity is likely to be moderate with a slight chance for an X-class flare on days one, two, and three (24 Feb, 25 Feb, 26 Feb). Over the weekend there was an impulsive X2 flare from AR4001 off the northwest limb. A CME associated with this flare is heading away from Earth so no mission impact should be expected. MP: No issues. ENG: Two Msids noted approaching their caution high limit likely due to altitude heating, the ACIS Collimator (1DACTBT) and the Translation Table Vent Valve (3TTVALVT). GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30551 NGC 5548 HRC-S LETG 30800 PSO J170.8326+20.2083 ACIS-S NONE 29740 4FGL J1902.5+0654 ACIS-I NONE 29831 SN 2023zaw ACIS-S NONE 28582 NGC 4102 ACIS-S NONE 30802 Abell 370 ACIS-I NONE 29771 1eRASS J144611.0-172306 ACIS-S NONE 30804 Abell 370 ACIS-I NONE 30810 Abell 795 ACIS-S NONE 30799 Sextans A ACIS-S NONE 28099 MRK 1486 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 055/1215-1430 1315 1415 DSS-26 GOLDSTONE 0815-0915 EST, Mon 24 Feb 056/1025-1240 1125 1225 DSS-26 GOLDSTONE 0625-0725 EST, Tue 25 Feb 056/1635-1850 1735 1835 DSS-24 GOLDSTONE 1235-1335 EST, Tue 25 Feb SNAPSHOT summary: ----------------- UTC 2025:055:13:57:01 (Feb24) f_ACE 4.38e+02 F_CRM 0.00e+00 Kp 2.3 R km 50222D OBT 2025:055:13:56:38 CTUVCDU 14100678 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 856792598.25 ONLVCDU 14100672 OBC Errs 0 OBSID 42637 EPState SUN SIM TTpos -99616 HETG Angle 5.59 PCADMODE NPNT RA 27.363 Bus V 26.95 SIM FApos -467 LETG Angle 76.09 PCONTROL NPNT Dec 34.692 Bus I 19.03 AOFSTAR GUID Roll 303.422 ACA Object SSSSSSSS Dither DISA HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 0.00 Yaw Rate 0.08 HRC-S HV OFF ACA CCD Temp -5.8 Dith Zang 0.00 Pitch Rate 0.03 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.20 EVT RT 5354 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.37 Batt 1 SOC 100.00% Avg HRMA Temp 73.89 FSS Beta 25.27 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 82.09 SA Resolv 64.39 Batt 3 SOC 100.00% A +15 V 2.81 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 74.10 SCS 128 ACT -Y SA Amps 9.29 OBA power 35.10 SCS 129 ACT +Y SA Temp 117.68 SCS 130 ACT -Y SA Temp 116.95 ACIS Stat7-0 6 Roll Mom. -5.365 SCS 131 ACT Cold Rad -113. Pitch Mom. 16.799 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. 8.890 SCS 133 ACT EIO Temp 0.0000 RadMon DISA PMTANKP 146.935 SCS 107 INAC EPH temp 169.78 UpLCmdAcc 39619 IRU2G2 curr 115.20 M Unload MON Cmd Rej A 208 IRU2G1 curr 98.40 Roll Bias 1.7458 TSC Move STOP Prop. line 03 127.54 Pitch Bias -3.8873 FA Move STOP CTX A PWR 36.32 Prop. line 04 104.49 Yaw Bias -1.7872 OTG Move DISA CTX A Volts 3.52 UTC 2025:055:13:57:01 (Feb24) f_ACE 4.38e+02 F_CRM 0.00e+00 Kp 2.3 R km 50222D Currently scheduled FPSI, OTG : HRC-S HETG Estimated Kp : 2.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 4.38e+02 GOES-R P4 flux, in RADMON P4GM units : 0.891 GOES-R P7 flux, in RADMON P41GM units : 0.033 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 4.0 Orbit Start Time : 0.036 Geocentric Distance (km), Orbit Leg : 50715 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.1892e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.0000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.5794e+05 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 0.0000e+00