See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9927. Start at 268:13:00 GMT PLAN ---- Finish: Obsid: 33442 SI: ACIS-S (13 ksec) Target: SDSS J083721.87 Then: 2026:268:14:49:11 Obsid: 33440 SI: ACIS-I (10 ksec) Target: MACS J0018.5+16 2026:268:18:23:54 Obsid: 33443 SI: ACIS-S (13 ksec) Target: SDSS J083721.87 2026:268:22:52:57 Obsid: 33434 SI: ACIS-I (10 ksec) Target: RMJ004525.1+100 2026:269:02:26:48 Obsid: 33444 SI: ACIS-S (13 ksec) Target: SDSS J083721.87 2026:269:06:45:53 Obsid: 31067 SI: HRC-I (5 ksec) Target: HD 30589 2026:269:08:38:12 Obsid: 33447 SI: ACIS-S (11 ksec) Target: ACT-CL J0123.5- 2026:269:11:51:35 Grating: HETG 2026:269:11:53:38 RADMON Disable For the weekend: 2026:270:02:38:57 RADMON Enable 2026:270:02:39:33 Grating: NONE 2026:270:03:06:44 Obsid: 33448 SI: ACIS-S (12 ksec) Target: V4641 Sgr S1 2026:270:07:16:35 Obsid: 31417 SI: ACIS-S (9 ksec) Target: Perseus Cluster 2026:270:10:32:04 Obsid: 33433 SI: ACIS-S (10 ksec) Target: SDSSJ235651.40+ 2026:270:14:00:04 Obsid: 30380 SI: ACIS-I (14 ksec) Target: Abell 2108 2026:270:18:37:06 Obsid: 33435 SI: ACIS-I (10 ksec) Target: RMJ232434.6+080 2026:270:22:04:07 Obsid: 33437 SI: ACIS-I (12 ksec) Target: Abell 2108 2026:271:02:06:32 Obsid: 28340 SI: HRC-I (8 ksec) Target: G29-38 2026:271:04:50:47 Obsid: 30053 SI: ACIS-S (30 ksec) Target: PSR J1852+0040 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 4 Supports Completed in the last 24 hours (Total time: 8 hours) 5 SSR dumps. Loads good through: 2026:271:01:24:07 Radiation (Solar Activity): Solar activity is likely to be low with a slight chance for an M-class flare on days one, two, and three (25 Sep, 26 Sep, 27 Sep). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to active levels on days one and two (25 Sep, 26 Sep) and quiet to unsettled levels on day three (27 Sep). MP: Sep2826 loads will be approved soon. ENG: No issues. GOT: No issues. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30522 1RXS J021649.0+703552 ACIS-I NONE 33439 MACS J0018.5+1626 ACIS-I NONE 33446 ACT-CL J0123.5-0428 ACIS-S NONE 33441 msh 11-62 HRC-I NONE 31416 Perseus Cluster ACIS-I NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 268/1545-1745 1630 1730 DSS-54 MADRID 1230-1330 EDT, Fri 25 Sep 269/0015-0215 0100 0200 DSS-24 GOLDSTONE 2100-2200 EDT, Fri 25 Sep 269/0915-1115 1000 1100 DSS-34 CANBERRA 0600-0700 EDT, Sat 26 Sep 269/1905-2105 1950 2050 DSS-36 CANBERRA 1550-1650 EDT, Sat 26 Sep 269/2350-0150 0035 0135 DSS-24 GOLDSTONE 2035-2135 EDT, Sat 26 Sep 270/0915-1115 1000 1100 DSS-65 MADRID 0600-0700 EDT, Sun 27 Sep 270/1610-1810 1655 1755 DSS-53 MADRID 1255-1355 EDT, Sun 27 Sep 270/1945-2115 2020 2100 DSS-26 GOLDSTONE 1620-1700 EDT, Sun 27 Sep 271/1000-1200 1045 1145 DSS-56 MADRID 0645-0745 EDT, Mon 28 Sep 271/1250-1450 1335 1435 DSS-56 MADRID 0935-1035 EDT, Mon 28 Sep 271/1640-1840 1725 1825 DSS-53 MADRID 1325-1425 EDT, Mon 28 Sep 271/2335-0135 0020 0120 DSS-23 GOLDSTONE 2020-2120 EDT, Mon 28 Sep SNAPSHOT summary: ----------------- UTC 2026:268:11:15:02 (Sep25) f_ACE 1.07e+01 F_CRM 5.12e+08 Kp 2.7 R km 105428D OBT 2026:268:11:12:37 CTUVCDU 7620351 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 906721957.26 ONLVCDU 7620344 OBC Errs 0 OBSID 33442 EPState SUN SIM TTpos 75625 HETG Angle 77.59 PCADMODE NPNT RA 129.335 Bus V 27.11 SIM FApos -467 LETG Angle 75.71 PCONTROL NPNT Dec 19.328 Bus I 21.08 AOFSTAR GUID Roll 67.402 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -15.20 Yaw Rate -0.02 HRC-S HV OFF ACA CCD Temp -3.6 Dith Zang -11.41 Pitch Rate 0.34 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate 0.02 EVT RT 4589 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa 6.94 Batt 1 SOC 100.00% Avg HRMA Temp 74.00 FSS Beta 34.61 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 86.75 SA Resolv 54.70 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 10.44 A +24 V 0.00 HRMA power 29.90 SCS 128 ACT -Y SA Amps 10.44 OBA power 0.00 SCS 129 ACT +Y SA Temp 112.04 SCS 130 ACT -Y SA Temp 111.12 ACIS Stat7-0 6 Roll Mom. -10.325 SCS 131 ACT Cold Rad -115. Pitch Mom. -2.448 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -77.1 Yaw Mom. 4.086 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 153.330 SCS 107 INAC EPH temp 158.47 UpLCmdAcc 38179 IRU2G2 curr 120.00 M Unload MON Cmd Rej A 98 IRU2G1 curr 93.60 Roll Bias 2.0939 TSC Move STOP Prop. line 03 134.13 Pitch Bias -4.2860 FA Move STOP CTX A PWR 36.27 Prop. line 04 127.54 Yaw Bias -1.8597 OTG Move DISA CTX A Volts 3.52 UTC 2026:268:13:04:01 (Sep25) f_ACE 9.86e+00 F_CRM 5.12e+08 Kp 2.7 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 : 2.00e-02 GOES-R P7 flux, in RADMON P41GM units : 2.78e-03 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 1.04e+02 Orbit Start Time : 2026:177:08:08:58 Geocentric Distance (km), Orbit Leg : 142772 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