See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9836. Start at 177:13:00 GMT PLAN ---- Start in radiation zone Then: 2026:177:19:09:24 Obsid: 31384 SI: ACIS-I (2 ksec) Target: Cas A 2026:177:20:03:35 Obsid: 31385 SI: ACIS-S (2 ksec) Target: Cas A 2026:177:21:11:34 Obsid: 31596 SI: ACIS-S (16 ksec) Target: Kes 73 2026:178:02:32:10 Obsid: 29829 SI: ACIS-S (16 ksec) Target: SN 1986J 2026:178:07:39:28 Obsid: 31597 SI: ACIS-S (14 ksec) Target: Kes 73 2026:178:12:09:13 Obsid: 31408 SI: ACIS-S (16 ksec) Target: A1795 For the weekend: 2026:178:17:02:43 Obsid: 32335 SI: ACIS-S (29 ksec) Target: LEDA 184063 2026:179:01:44:22 Obsid: 32403 SI: ACIS-I (10 ksec) Target: HEP G003.632-00 2026:179:05:12:42 Obsid: 32404 SI: ACIS-I (19 ksec) Target: Center of COSMO 2026:179:11:18:52 Obsid: 32406 SI: ACIS-S (15 ksec) Target: SNR G1.9+0.3 2026:179:15:39:39 Grating: HETG 2026:179:15:41:42 RADMON Disable 2026:180:03:49:18 Grating: NONE 2026:180:04:10:15 RADMON Enable 2026:180:04:27:16 Obsid: 29996 SI: ACIS-S (20 ksec) Target: ASASSN-14ko 2026:180:10:53:44 Obsid: 30123 SI: ACIS-I (15 ksec) Target: Snake 2026:180:15:52:05 Obsid: 30118 SI: ACIS-I (30 ksec) Target: PSR J1015-5719 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed in the last 24 hours (Total time: 6 hours) 3 SSR dumps Radiation (Solar Activity): Solar activity is expected to be low with a chance for M-class flares and a slight chance for an X-class flare on days one, two, and three (26 Jun, 27 Jun, 28 Jun). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to active levels on days one, two, and three (26 Jun, 27 Jun, 28 Jun). MP: Jun2926A loads were approved yesterday. ENG: A few thermal violations. Limits will be adjusted to avoid nuisance alerts in the future. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30512 Abell 2108 ACIS-I NONE 31406 A1795 ACIS-I NONE 31611 Kes 73 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 177/1730-1930 1815 1915 DSS-53 MADRID 1415-1515 EDT, Fri 26 Jun 178/0030-0220 0105 0205 DSS-56 MADRID 2105-2205 EDT, Fri 26 Jun 178/0925-1125 1010 1110 DSS-26 GOLDSTONE 0610-0710 EDT, Sat 27 Jun 178/1740-1940 1825 1925 DSS-53 MADRID 1425-1525 EDT, Sat 27 Jun 179/0105-0305 0150 0250 DSS-65 MADRID 2150-2250 EDT, Sat 27 Jun 179/0915-1115 1000 1100 DSS-26 GOLDSTONE 0600-0700 EDT, Sun 28 Jun 179/1455-1655 1540 1640 DSS-36 CANBERRA 1140-1240 EDT, Sun 28 Jun 180/0000-0200 0045 0145 DSS-26 GOLDSTONE 2045-2145 EDT, Sun 28 Jun 180/0950-1150 1035 1135 DSS-26 GOLDSTONE 0635-0735 EDT, Mon 29 Jun 180/1815-2015 1900 2000 DSS-56 MADRID 1500-1600 EDT, Mon 29 Jun SNAPSHOT summary: ----------------- UTC 2026:177:12:13:02 (Jun26) f_ACE 5.83e+01 F_CRM 0.00e+00 Kp 1.7 R km 105428D OBT 2026:177:12:10:43 CTUVCDU 10505855 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 898863043.66 ONLVCDU 10505848 OBC Errs 0 OBSID 41386 EPState SUN SIM TTpos -99616 HETG Angle 5.59 PCADMODE NPNT RA 271.999 Bus V 27.26 SIM FApos -535 LETG Angle 75.71 PCONTROL NPNT Dec -25.006 Bus I 23.91 AOFSTAR GUID Roll 301.733 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 15.99 Yaw Rate -0.21 HRC-S HV OFF ACA CCD Temp -5.8 Dith Zang 14.14 Pitch Rate 0.21 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.42 EVT RT 6374 AOACSTAT OK FSS SunBeta NSUN SHLD RT 0 FSS Alfa -49.57 Batt 1 SOC 100.00% Avg HRMA Temp 74.11 FSS Beta -49.72 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 82.25 SA Resolv 176.65 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 11.98 A +24 V 0.00 HRMA power 33.00 SCS 128 ACT -Y SA Amps 11.60 OBA power 0.00 SCS 129 ACT +Y SA Temp 108.97 SCS 130 ACT -Y SA Temp 107.90 ACIS Stat7-0 6 Roll Mom. 7.567 SCS 131 INAC Cold Rad -118. Pitch Mom. 8.095 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -82.0 Yaw Mom. -1.765 SCS 133 ACT EIO Temp 0.0000 RadMon DISA PMTANKP 151.731 SCS 107 INAC EPH temp 115.28 UpLCmdAcc 47623 IRU2G2 curr 117.60 M Unload MON Cmd Rej A 95 IRU2G1 curr 96.00 Roll Bias 2.0488 TSC Move STOP Prop. line 03 116.70 Pitch Bias -4.2327 FA Move STOP CTX A PWR 36.32 Prop. line 04 115.08 Yaw Bias -1.8545 OTG Move DISA CTX A Volts 3.52 UTC 2026:177:17:00:02 (Jun26) f_ACE 2.60e+01 F_CRM 4.90e+08 Kp 2.3 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) : 2.45e+01 GOES-R P4 flux, in RADMON P4GM units : 2.13e-02 GOES-R P7 flux, in RADMON P41GM units : 2.81e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 1.18e+03 Orbit Start Time : 2026:177:08:08:58 Geocentric Distance (km), Orbit Leg : 89812 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.8979e+04 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.8979e+04 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 7.9525e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 4.8954e+08