See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html
Shift L9448.
Start at 154:13:00 GMT
PLAN
----
Finish: 2025:154:11:02:10 Obsid: 29536 SI: HRC-S (10 ksec) Target: HZ43
Then:
2025:154:13:49:40 Grating: NONE
2025:154:14:34:17 Obsid: 28707 SI: ACIS-I (34 ksec) Target: 1E 2215.7-0404
2025:155:00:45:17 Obsid: 30492 SI: ACIS-S (29 ksec) Target: 1E 161348-5055.
2025:155:08:57:31 Grating: LETG
2025:155:09:39:21 Obsid: 30960 SI: HRC-S (10 ksec) Target: HZ43
2025:155:12:26:51 Grating: NONE
2025:155:12:56:01 Obsid: 28849 SI: ACIS-I (28 ksec) Target: [ZCA2021] BOSS1
NOTES/ISSUES/PROBLEMS
---------------------
From the 9am status meeting:
3 Supports Completed in the last 24 hours (Total time: 6 hours)
3 SSR dumps. Loads good through: 2025:158:07:00
Radiation:
Solar activity is likely to be moderate with a slight chance for an X-class
flare on days one, two, and three (03 Jun, 04 Jun, 05 Jun).
The geomagnetic field is expected to be at unsettled to severe storm levels
on day one (03 Jun) and quiet to minor storm levels on days two and three
(04 Jun, 05 Jun).
MP:
No issues
ENG:
No issues, Monthly self tests will probably be run tomorrow morning.
GOT:
No issues.
Quick look data:
----------------
OBSID Target Instr Grat
----- ------ ----- ----
30114 GW170817 ACIS-S NONE
28192 NGC 6657 ACIS-S NONE
Next Comms:
-----------
Support (GMT) BOT EOT Station Site Track time (local)
--------------- ---- ---- --------- --------- -------------------------
154/1050-1250 1135 1235 DSS-24 GOLDSTONE 0735-0835 EDT, Tue 3 Jun
155/0000-0200 0045 0145 DSS-65 MADRID 2045-2145 EDT, Tue 3 Jun
155/1105-1305 1150 1250 DSS-26 GOLDSTONE 0750-0850 EDT, Wed 4 Jun
SNAPSHOT summary:
-----------------
UTC 2025:154:12:34:02 (Jun 3) f_ACE 1.24e+03 F_CRM 3.63e+03 Kp 4.0 R km 141511A
OBT 2025:154:12:30:48 CTUVCDU 13906047 OBC s/w NRML FMT1_NORM CPEstat NORM
OBT 865341048.11 ONLVCDU 13906040 OBC Errs 0
OBSID 29536 EPState SUN
SIM TTpos -99616 HETG Angle 77.59 PCADMODE NPNT RA 199.107 Bus V 27.26
SIM FApos -990 LETG Angle 4.09 PCONTROL NPNT Dec 29.116 Bus I 24.94
AOFSTAR GUID Roll 219.991
ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF
ACA ImFunc TTTTTTTT Dith Yang -17.23 Yaw Rate -0.10 HRC-S HV ON
ACA CCD Temp -6.2 Dith Zang -19.81 Pitch Rate 0.03 SHLD HV 8.0
ACA Int Time 1.698 Roll Rate -0.02 EVT RT 3569
AOACSTAT OK FSS SunBeta SUN SHLD RT 5609
FSS Alfa 10.13 Batt 1 SOC 100.00%
Avg HRMA Temp 74.00 FSS Beta -18.69 Batt 2 SOC 100.00% A -15 V -14.45
Avg OBA Temp 81.29 SA Resolv 108.29 Batt 3 SOC 100.00% A +15 V 14.53
OBA Tavg Fault NFLT SA Sun Pres ILLM A +5 V 4.84
OBA Trng Fault NFLT +Y SA Amps 12.56 A +24 V 0.00
HRMA power 94.40 SCS 128 ACT -Y SA Amps 12.18
OBA power 0.00 SCS 129 ACT +Y SA Temp 107.90
SCS 130 ACT -Y SA Temp 107.37 ACIS Stat7-0 6
Roll Mom. 8.282 SCS 131 ACT Cold Rad -113.
Pitch Mom. -6.803 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -74.7
Yaw Mom. -2.872 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB
PMTANKP 148.534 SCS 107 INAC EPH temp 130.12
UpLCmdAcc 9086
IRU2G2 curr 112.80 M Unload MON Cmd Rej A 153
IRU2G1 curr 98.40 Roll Bias 1.8058 TSC Move STOP
Prop. line 03 125.35 Pitch Bias -3.9752 FA Move STOP CTX B PWR 36.92
Prop. line 04 107.02 Yaw Bias -1.7808 OTG Move DISA CTX B Volts 3.54
UTC 2025:154:12:59:01 (Jun 3) f_ACE 1.23e+03 F_CRM 3.62e+03 Kp 4.0 R km 142235A
Currently scheduled FPSI, OTG : HRC-S LETG
Estimated Kp : 4.0
ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.23e+03
GOES-R P4 flux, in RADMON P4GM units : 3.729
GOES-R P7 flux, in RADMON P41GM units : 0.006
GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 186.0
Orbit Start Time : 3.564
Geocentric Distance (km), Orbit Leg : 142094 A
CRM Region : 3 (Magnetosphere)
External Proton Flux (p/cm^2-s-sr-MeV) : 3.6239e+03
Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.0000e+00
External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.0872e+06
Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.6239e+03