See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html
Shift L9441.
Start at 147:13:00 GMT
PLAN
----
Finish: Obsid: 28858 SI: ACIS-I (14 ksec) Target: CMZ Molecular C
Then:
2025:147:14:51:51 Obsid: 29585 SI: ACIS-S (15 ksec) Target: E0102-72.3
2025:147:19:18:24 Obsid: 29587 SI: ACIS-S (18 ksec) Target: E0102-72.3
2025:148:00:37:27 Grating: HETG
2025:148:00:39:35 RADMON Disable
2025:148:10:25:07 Grating: NONE
2025:148:10:41:34 RADMON Enable
2025:148:11:05:52 Obsid: 29809 SI: ACIS-S (15 ksec) Target: eRASSU J100957.
NOTES/ISSUES/PROBLEMS
---------------------
From the 9am status meeting:
3 Supports Completed in the last 24 hours (Total time: 6.5 hours)
3 SSR dumps. (18 hours over the long weekend)
Radiation:
Solar activity is likely to be moderate with a chance for X-class flares on
days one, two, and three (27 May, 28 May, 29 May).
MP:
No issues.
ENG:
No issues.
GOT:
No issues.
Quick look data:
----------------
OBSID Target Instr Grat
----- ------ ----- ----
30946 GX 9+9 ACIS-S HETG
30945 2MAXIJ0134-082 ACIS-S NONE
28304 2MAXIJ0134-082 ACIS-S NONE
28841 GX 9+9 ACIS-S HETG
30953 Gaia DR2 1921178320776903168 ACIS-S NONE
29788 GRB250520A ACIS-S NONE
30942 NGC4781 ACIS-S NONE
29606 SNR G21.5-0.9 HRC-S NONE
Next Comms:
-----------
Support (GMT) BOT EOT Station Site Track time (local)
--------------- ---- ---- --------- --------- -------------------------
148/0130-0400 0215 0345 DSS-65 MADRID 2215-2345 EDT, Tue 27 May
148/2035-2235 2120 2220 DSS-54 MADRID 1720-1820 EDT, Wed 28 May
SNAPSHOT summary:
-----------------
UTC 2025:147:11:44:01 (May27) f_ACE 1.17e+01 F_CRM 9.29e+04 Kp 1.0 R km 132649D
OBT 2025:147:11:41:04 CTUVCDU 11534207 OBC s/w NRML FMT2_NORM CPEstat NORM
OBT 864733264.04 ONLVCDU 11534200 OBC Errs 0
OBSID 28858 EPState SUN
SIM TTpos 92903 HETG Angle 77.59 PCADMODE NPNT RA 266.572 Bus V 27.26
SIM FApos -535 LETG Angle 76.09 PCONTROL NPNT Dec -28.925 Bus I 21.34
AOFSTAR GUID Roll 74.383
ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF
ACA ImFunc TTTTTTTT Dith Yang 15.94 Yaw Rate 0.10 HRC-S HV OFF
ACA CCD Temp -8.4 Dith Zang -6.12 Pitch Rate 0.12 SHLD HV 0.0
ACA Int Time 1.698 Roll Rate 0.12 EVT RT 5609
AOACSTAT OK FSS SunBeta NSUN SHLD RT 0
FSS Alfa -49.57 Batt 1 SOC 100.00%
Avg HRMA Temp 74.54 FSS Beta -49.72 Batt 2 SOC 100.00% A -15 V -0.62
Avg OBA Temp 79.20 SA Resolv 158.29 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 10.63 A +24 V 0.00
HRMA power 29.90 SCS 128 ACT -Y SA Amps 10.44
OBA power 70.20 SCS 129 ACT +Y SA Temp 110.82
SCS 130 ACT -Y SA Temp 109.89 ACIS Stat7-0 6
Roll Mom. -5.371 SCS 131 ACT Cold Rad -123.
Pitch Mom. -5.158 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -79.6
Yaw Mom. -10.113 SCS 133 ACT EIO Temp 0.0000 RadMon ENAB
PMTANKP 146.935 SCS 107 INAC EPH temp 172.61
UpLCmdAcc 53378
IRU2G2 curr 110.40 M Unload MON Cmd Rej A 246
IRU2G1 curr 98.40 Roll Bias 1.8320 TSC Move STOP
Prop. line 03 151.92 Pitch Bias -3.9816 FA Move STOP CTX B PWR 36.92
Prop. line 04 129.74 Yaw Bias -1.8071 OTG Move DISA CTX B Volts 3.54
UTC 2025:147:14:51:01 (May27) f_ACE 9.99e+00 F_CRM 1.70e+05 Kp 1.7 R km 122976D
Currently scheduled FPSI, OTG : ACIS-S NONE
Estimated Kp : 1.7
ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 9.99e+00
GOES-R P4 flux, in RADMON P4GM units : 0.058
GOES-R P7 flux, in RADMON P41GM units : 0.003
GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 358.0
Orbit Start Time : 0.039
Geocentric Distance (km), Orbit Leg : 123094 D
CRM Region : 3 (Magnetosphere)
External Proton Flux (p/cm^2-s-sr-MeV) : 5.6549e+02
Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 5.6549e+02
External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.6965e+05
Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.7021e+05