See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9727. Start at 068:13:00 GMT PLAN ---- Finish: Obsid: 32205 SI: ACIS-S (10 ksec) Target: GALEXASC J21121 Then: 2026:068:14:20:13 Grating: HETG 2026:068:14:22:16 RADMON Disable 2026:069:02:02:27 Grating: NONE 2026:069:02:18:15 RADMON Enable 2026:069:02:40:33 Obsid: 30333 SI: ACIS-I (18 ksec) Target: Perseus cluster 2026:069:08:17:58 Obsid: 29920 SI: ACIS-S (13 ksec) Target: SDSS J105432.03 2026:069:12:32:04 Obsid: 32216 SI: ACIS-I (14 ksec) Target: Perseus cluster NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 8 Supports Completed over the weekend (Total time: 16 hours) 8 SSR dumps. Loads good through: 2026:072:10:25:01.000 CAP's / Procedures Run: CAP # | Time | Title / Description / Notes [1804]| 065/1319z | HRC-S Restart / Contingency Step 2 was executed DSN DR's Created: DR Number| Station| Problem | Cause | Action [G125905]|DSS-24 | Unable to support Chandra| Antenna servo drive is RED.| None Radiation (Solar Activity): Solar activity is expected to be low with a slight chance for an M-class flare on days one, two, and three (09 Mar, 10 Mar, 11 Mar). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to active levels on day one (09 Mar) and quiet to unsettled levels on days two and three (10 Mar, 11 Mar). MP: No issues. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 32198 Center of COSMOS-Web ACIS-I NONE 32197 Center of COSMOS-Web ACIS-I NONE 32185 Perseus cluster N ACIS-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 068/1150-1350 1235 1335 DSS-24 GOLDSTONE 0835-0935 EDT, Mon 9 Mar 068/2055-2255 2140 2240 DSS-65 MADRID 1740-1840 EDT, Mon 9 Mar 069/0215-0415 0300 0400 DSS-26 GOLDSTONE 2300-0000 EDT, Mon 9 Mar 069/0915-1115 1000 1100 DSS-26 GOLDSTONE 0600-0700 EDT, Tue 10 Mar 069/2205-0005 2250 2350 DSS-54 MADRID 1850-1950 EDT, Tue 10 Mar SNAPSHOT summary: ----------------- UTC 2026:068:12:59:02 (Mar 9) f_ACE 7.06e+00 F_CRM 8.31e+07 Kp 0.7 R km 83634D OBT 2026:068:12:58:45 CTUVCDU 7319926 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 889448325.61 ONLVCDU 7319920 OBC Errs 0 OBSID 32205 EPState SUN SIM TTpos 75624 HETG Angle 77.59 PCADMODE NPNT RA 318.104 Bus V 26.79 SIM FApos -467 LETG Angle 76.09 PCONTROL NPNT Dec -42.956 Bus I 22.37 AOFSTAR GUID Roll 135.163 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 6.15 Yaw Rate -0.25 HRC-S HV OFF ACA CCD Temp -5.8 Dith Zang -9.64 Pitch Rate 0.37 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.22 EVT RT 6374 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.52 Batt 1 SOC 100.00% Avg HRMA Temp 73.14 FSS Beta 42.23 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 81.13 SA Resolv 47.18 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 11.79 A +24 V 0.00 HRMA power 94.40 SCS 128 ACT -Y SA Amps 11.21 OBA power 0.00 SCS 129 ACT +Y SA Temp 115.12 SCS 130 ACT -Y SA Temp 114.51 ACIS Stat7-0 6 Roll Mom. -3.423 SCS 131 ACT Cold Rad -115. Pitch Mom. -14.926 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. 1.537 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 150.132 SCS 107 INAC EPH temp 149.99 UpLCmdAcc 27585 IRU2G2 curr 120.00 M Unload MON Cmd Rej A 124 IRU2G1 curr 93.60 Roll Bias 2.0113 TSC Move STOP Prop. line 03 142.92 Pitch Bias -4.1911 FA Move STOP CTX A PWR 36.32 Prop. line 04 111.86 Yaw Bias -1.8275 OTG Move DISA CTX A Volts 3.52 UTC 2026:068:12:59:02 (Mar 9) f_ACE 7.06e+00 F_CRM 8.31e+07 Kp 0.7 R km 83634D Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 0.7 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 6.92e+00 GOES-R P4 flux, in RADMON P4GM units : 4.09e-02 GOES-R P7 flux, in RADMON P41GM units : 8.35e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 5.42e+02 Orbit Start Time : 2026:066:06:26:53 Geocentric Distance (km), Orbit Leg : 83953 D CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 7.5696e+01 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 7.5696e+01 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.6364e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 8.3109e+07