See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L9797. Start at 138:13:00 GMT PLAN ---- Finish: Obsid: 32352 SI: ACIS-S (12 ksec) Target: NGC5728 Then: 2026:138:13:58:02 Obsid: 31883 SI: ACIS-S (10 ksec) Target: ZwCl 0857.9+210 2026:138:17:20:41 Obsid: 32353 SI: ACIS-S (12 ksec) Target: NGC5728 2026:138:21:12:11 Obsid: 30247 SI: ACIS-I (29 ksec) Target: Center of COSMO 2026:139:05:56:45 Obsid: 30206 SI: ACIS-S (14 ksec) Target: NGC5728 2026:139:10:26:47 Obsid: 29879 SI: ACIS-S (48 ksec) Target: SDSS J155636.40 NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 9 Supports Completed over the weekend (Total time: 18 hours) 9 SSR dumps. Loads good through: 2026:141:21:20 Radiation (Solar Activity): Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (18 May, 19 May, 20 May). Radiation (Geophysical Activity): The geomagnetic field is expected to be at quiet to minor storm levels on days one and two (18 May, 19 May) and quiet levels on day three (20 May). MP: No issues. ENG: No issues. GOT/FST: Two maintenance windows this week, UPS work today. Other work Wednesday. Quick look data: ---------------- OBSID Target Instr Grat ----- ------ ----- ---- 30191 NGC5728 ACIS-S NONE 32355 ZwCl 0857.9+2107 ACIS-S NONE 30394 ZwCl 0857.9+2107 ACIS-S NONE Next Comms: ----------- Support (GMT) BOT EOT Station Site Track time (local) --------------- ---- ---- --------- --------- ------------------------- 138/2030-2230 2115 2215 DSS-54 MADRID 1715-1815 EDT, Mon 18 May 139/0035-0235 0120 0220 DSS-65 MADRID 2120-2220 EDT, Mon 18 May 139/0910-1110 0955 1055 DSS-26 GOLDSTONE 0555-0655 EDT, Tue 19 May 139/1715-1915 1800 1900 DSS-34 CANBERRA 1400-1500 EDT, Tue 19 May SNAPSHOT summary: ----------------- UTC 2026:138:11:14:02 (May18) f_ACE 4.12e+01 F_CRM 5.73e+07 Kp 2.3 R km 130692A OBT 2026:138:11:10:58 CTUVCDU 14119423 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 895489858.87 ONLVCDU 14119416 OBC Errs 0 OBSID 32352 EPState SUN SIM TTpos 75624 HETG Angle 77.59 PCADMODE NPNT RA 220.596 Bus V 27.11 SIM FApos -467 LETG Angle 76.09 PCONTROL NPNT Dec -17.220 Bus I 22.88 AOFSTAR GUID Roll 258.376 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -15.56 Yaw Rate 0.34 HRC-S HV OFF ACA CCD Temp -8.4 Dith Zang -3.92 Pitch Rate 0.24 SHLD HV 0.0 ACA Int Time 1.698 Roll Rate -0.08 EVT RT 5354 AOACSTAT OK FSS SunBeta NSUN SHLD RT 0 FSS Alfa -49.57 Batt 1 SOC 100.00% Avg HRMA Temp 73.46 FSS Beta -49.72 Batt 2 SOC 100.00% A -15 V -0.62 Avg OBA Temp 80.64 SA Resolv 166.08 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 11.41 A +24 V 0.00 HRMA power 33.00 SCS 128 ACT -Y SA Amps 11.02 OBA power 35.10 SCS 129 ACT +Y SA Temp 109.89 SCS 130 ACT -Y SA Temp 108.97 ACIS Stat7-0 6 Roll Mom. 1.937 SCS 131 ACT Cold Rad -123. Pitch Mom. 2.237 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6 Yaw Mom. -1.202 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB PMTANKP 148.534 SCS 107 INAC EPH temp 178.27 UpLCmdAcc 40452 IRU2G2 curr 124.80 M Unload MON Cmd Rej A 175 IRU2G1 curr 93.60 Roll Bias 2.0239 TSC Move STOP Prop. line 03 145.12 Pitch Bias -4.2101 FA Move STOP CTX B PWR 36.96 Prop. line 04 134.13 Yaw Bias -1.8480 OTG Move DISA CTX B Volts 3.54 UTC 2026:138:13:06:01 (May18) f_ACE 4.25e+01 F_CRM 5.76e+07 Kp 2.3 R km 134871A Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 1.3 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 4.30e+01 GOES-R P4 flux, in RADMON P4GM units : 2.08e-02 GOES-R P7 flux, in RADMON P41GM units : 0.00e+00 GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 4.70e+03 Orbit Start Time : 2026:137:16:01:17 Geocentric Distance (km), Orbit Leg : 134817 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.0926e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.0926e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.7901e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 5.7629e+07