SOT Shift Report 2002-04-10 M993 Shift M993 Duration: 10 Apr 2002 14:15 EDT - 10 Apr 2002 15:15 EDT 10 Apr 2002 18:15 GMT - 10 Apr 2002 19:15 GMT SOT Lead: Tom Aldcroft Spacecraft/Aspect: FOT/Science Liason: HRC: ACIS: ======================================== Plan ---- Continue with the APR1002B load: determine the position and improved timing ephemeris for the accreting millisecond pulsar XTE J1751-305; observe the faint neutron star RX J170930.2-263927 as it returns to quiessence; deep ACIS-I observation of the rich cluster RCS1417+5305 to study high redshift clusters; and study the star forming galaxy NGC 4911 as it takes its first dive through the hot intracluster medium of the Coma cluster: 3475 RX J170930.2-263927 2002:100:17:49:14.364 5.0 ACIS-S NONE 3239 RCS1417+5305 2002:100:19:51:42.743 63.5 ACIS-I NONE 2941 NGC 4911 2002:101:13:58:02.743 63.5 ACIS-I NONE 3478 SU UMA 2002:102:08:04:49.314 24.0 ACIS-S HETG Events ------ 18:15 AOS on DSS-54 19:15 LOS Notes/Issues/Problems --------------------- - Radiation very low Snapshot -------- Snapshot matches predicted configuration: UTC 2002:100:19:08:45 (Apr10) f_ACE 2.74e+01 F_CRM 3.06e+07 Kp 3.0 R km 87894A OBT 2002:100:19:08:13 CTUVCDU 12254655 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 134852893.88 ONLVCDU 12254640 OBC Errs 0 OBSID 3475 EPState SUN SIM TTpos 75623 HETG Angle 79.46 PCADMODE NPNT RA 257.393 Bus V 30.24 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec -26.675 Bus I 28.24 AOFSTAR GUID Roll 82.664 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -3.92 Yaw Rate -0.03 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 6.44 Pitch Rate -0.08 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.15 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.36 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta -32.19 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 51.13 SA Resolv 122.04 Batt 3 SOC 100.00% Cold Rad -127.9 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -82.0 OBA Trng Fault NFLT +Y SA Amps 13.53 RadMon ENAB HRMA power 91.30 SCS 128 ACT -Y SA Amps 14.30 EPHIN Geom LARG OBA power 88.30 SCS 129 ACT +Y SA Temp 112.66 E150 0.5 SCS 130 ACT -Y SA Temp 113.58 E300 0.0 Roll Mom. -3.247 SCS 107 INAC E1300 0.0 Pitch Mom. -2.331 UpL Cmd Acc 50689 EPH A-Leak 1.0200 P4GM 0.0 Yaw Mom. 3.585 Cmd Rej A 242 EPH B-Leak 0.4640 P41GM 0.0 Explanation Current Data: UTC 2002:100:19:08:45 (Apr10) f_ACE 2.74e+01 F_CRM 3.06e+07 Kp 3.0 R km 87894A Currently scheduled FPSI, OTG : ACIS-S NONE Costello Kp : 3.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.74e+01 GOES-8 P2 flux, in RADMON P4GM units : 0.00 GOES-10 P2 flux, in RADMON P4GM units : 0.00 GOES-8 P5 flux, in RADMON P41GM units : 0.01 GOES-10 P5 flux, in RADMON P41GM units : 0.02 Orbit Start Time : 2002:100:08:49:00 Geocentric Distance (km), Orbit Leg : 87894 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 3.62008000000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 3.62008000000e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 4.96257780000e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.16608450000e+07