SOT Shift Report Shift M648 Duration: 30 Apr 2001 12:30 EDT - 30 Apr 2001 14:00 EDT 30 Apr 2001 16:30 GMT - 30 Apr 2001 18:00 GMT SOT Lead: Tom Aldcroft Spacecraft/Aspect: FOT/Science Liason: HRC: ACIS: ======================================== Plan ---- Continue with APR2901 load: Look for Chandra sources in the deep ISO field, then observe SGR 1900+14 in an active state, then into perigee: 01699 00 ISO NW #2 2001:120:11:20:38.988 41.3 ACIS-I NONE 02459 00 SGR 1900 + 14 2001:120:23:27:24.845 18.8 ACIS-S NONE T_E39 CAL-ER 2001:121:05:23:46.223 8.0 -- -- GG_39 CAL-ER 2001:121:08:36:50.959 3.6 -- -- T_X40 CAL-ER 2001:121:15:36:50.959 20.8 -- -- Events ------ 17:00 AOS on DSS-46 19:00 LOS Notes/Issues/Problems --------------------- - ACIS FP temperature -119.9 C - ACE radiation rates are low-moderate and falling slowing ACE 130-214 keV proton fluences (p/cm2-sr-MeV) and Costello predicted activity index OBSERVED SOT alert ------------ ------------- 2-hour Fluence: 2.2e7 3.6E+8 Orbital Fluence: 4.8e8 1.0E+9 Kp: 2.0 6.0 - EPHIN rates are low Snapshot -------- Snapshot matches expected configuration: UTC 2001:120:18:54:09 (Apr30) f_ACE 7.07e+02 F_CRM 4.53e+08 Kp 2.0 R km 124420D OBT 2001:120:18:53:43 CTUVCDU 13367935 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 105044023.21 ONLVCDU 13367920 OBC Errs 0 OBSID 1699 EPState SUN SIM TTpos 92903 HETG Angle 79.84 PCADMODE NPNT RA 158.332 Bus V 30.40 SIM FApos -535 LETG Angle 78.34 PCONTROL NPNT Dec 57.648 Bus I 33.30 AOFSTAR GUID Roll 236.449 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 6.20 Yaw Rate -0.23 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 7.07 Pitch Rate 0.05 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.30 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.10 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -2.73 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 51.05 SA Resolv 92.76 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 16.05 RadMon ENAB HRMA power 98.00 SCS 128 ACT -Y SA Amps 16.84 EPHIN Geom LARG OBA power 133.00 SCS 129 ACT +Y SA Temp 110.51 E150 7.7 SCS 130 ACT -Y SA Temp 110.51 E300 0.2 Roll Mom. 8.291 SCS 107 INAC E1300 0.0 Pitch Mom. -14.936 UpL Cmd Acc 34574 EPH A-Leak 1.0200 P4GM 0.4 Yaw Mom. 5.223 Cmd Rej A 39 EPH B-Leak 0.2480 P41GM 0.0 Current Data: UTC 2001:120:18:54:09 (Apr30) f_ACE 7.07e+02 F_CRM 4.53e+08 Kp 2.0 R km 124420D Currently scheduled FPSI, OTG : ACIS-I NONE Costello Kp : 2.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 7.07e+02 Orbit Start Time : 2001:118:22:34:01 Geocentric Distance (km), Orbit Leg : 124420 D CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 3.87009000000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 3.87009000000e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.32365061870e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 4.52694398700e+08