See https://cxc.harvard.edu/mta/SOT_reports/sot-shift.html
Shift L9413.
Start at 119:13:00 GMT
PLAN
----
Obsid: 28107 SI: ACIS-I (24 ksec) Target: UGCA281
Then:
2025:119:16:14:54 Grating: LETG
2025:119:16:35:56 Obsid: 30276 SI: ACIS-S (30 ksec) Target: MKN421
2025:120:00:59:30 Grating: NONE
2025:120:01:38:21 Obsid: 30451 SI: HRC-I (14 ksec) Target: HE 1353-1917
2025:120:06:23:00 Obsid: 30031 SI: ACIS-S (12 ksec) Target: ACT-CL J0400.6-
2025:120:10:06:56 Grating: LETG
2025:120:10:38:01 Obsid: 29612 SI: ACIS-S (60 ksec) Target: MKN421
NOTES/ISSUES/PROBLEMS
---------------------
From the 9am status meeting:
2 Supports Completed in the last 24 hours (Total time: 4 hours)
3 SSR dumps. Loads good through: 2025:124:02:30:01.
Radiation:
Solar activity is expected to be low with a slight chance for an M-class flare
on days one, two, and three (29 Apr, 30 Apr, 01 May).
MP:
Working on the May 5 loads.
ENG:
No issues.
GOT:
No issues.
Quick look data:
----------------
OBSID Target Instr Grat
----- ------ ----- ----
30145 NGC1317 ACIS-S NONE
30527 SDSS J092913.96+375743.0 ACIS-S NONE
30113 GW170817 ACIS-S NONE
Next Comms:
-----------
Support (GMT) BOT EOT Station Site Track time (local)
--------------- ---- ---- --------- --------- -------------------------
119/1045-1245 1130 1230 DSS-26 GOLDSTONE 0730-0830 EDT, Tue 29 Apr
119/2110-2310 2155 2255 DSS-65 MADRID 1755-1855 EDT, Tue 29 Apr
120/0220-0420 0305 0405 DSS-65 MADRID 2305-0005 EDT, Tue 29 Apr
120/1720-1920 1805 1905 DSS-34 CANBERRA 1405-1505 EDT, Wed 30 Apr
SNAPSHOT summary:
-----------------
UTC 2025:119:12:30:01 (Apr29) f_ACE 1.23e+01 F_CRM 9.30e+04 Kp 1.0 R km 85652A
OBT 2025:119:12:27:34 CTUVCDU 2104319 OBC s/w NRML FMT2_NORM CPEstat NORM
OBT 862316854.92 ONLVCDU 2104312 OBC Errs 0
OBSID 28107 EPState SUN
SIM TTpos 92903 HETG Angle 77.59 PCADMODE NPNT RA 186.581 Bus V 27.42
SIM FApos -535 LETG Angle 76.09 PCONTROL NPNT Dec 48.512 Bus I 22.37
AOFSTAR GUID Roll 194.989
ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF
ACA ImFunc TTTTTTTT Dith Yang 10.70 Yaw Rate 0.28 HRC-S HV OFF
ACA CCD Temp -8.0 Dith Zang 6.22 Pitch Rate 0.18 SHLD HV 0.0
ACA Int Time 1.698 Roll Rate 0.30 EVT RT 4844
AOACSTAT OK FSS SunBeta SUN SHLD RT 0
FSS Alfa 16.30 Batt 1 SOC 100.00%
Avg HRMA Temp 74.22 FSS Beta -22.76 Batt 2 SOC 100.00% A -15 V -0.62
Avg OBA Temp 81.45 SA Resolv 112.44 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 11.02 A +24 V 0.00
HRMA power 29.90 SCS 128 ACT -Y SA Amps 11.02
OBA power 35.10 SCS 129 ACT +Y SA Temp 107.90
SCS 130 INAC -Y SA Temp 107.11 ACIS Stat7-0 6
Roll Mom. 3.567 SCS 131 ACT Cold Rad -123.
Pitch Mom. 12.584 SCS 132 ACT Ephin Temp 0.0000 Warm Rad -82.0
Yaw Mom. 2.695 SCS 133 INAC EIO Temp 0.0000 RadMon ENAB
PMTANKP 148.534 SCS 107 INAC EPH temp 135.85
UpLCmdAcc 62458
IRU2G2 curr 112.80 M Unload MON Cmd Rej A 72
IRU2G1 curr 96.00 Roll Bias 1.8087 TSC Move STOP
Prop. line 03 162.13 Pitch Bias -3.9540 FA Move STOP CTX B PWR 36.92
Prop. line 04 142.92 Yaw Bias -1.8048 OTG Move DISA CTX B Volts 3.54
UTC 2025:119:12:58:02 (Apr29) f_ACE 1.15e+01 F_CRM 9.29e+04 Kp 1.0 R km 88582A
Currently scheduled FPSI, OTG : ACIS-I NONE
Estimated Kp : 1.0
ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.15e+01
GOES-R P4 flux, in RADMON P4GM units : 0.000
GOES-R P7 flux, in RADMON P41GM units : 0.003
GOES-R E > 2.0 MeV flux (p/cm^2-s-sr) : 233.0
Orbit Start Time : 0.000
Geocentric Distance (km), Orbit Leg : 88170 A
CRM Region : 3 (Magnetosphere)
External Proton Flux (p/cm^2-s-sr-MeV) : 3.0858e+02
Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 3.0858e+02
External Proton Orbital Fluence (p/cm^2-sr-MeV) : 9.2573e+04
Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 9.2882e+04