SOT Shift Report 2002-02-26 M950 Shift M950 Duration: 26 Feb 2002 12:00 EST - 26 Feb 2002 16:30 EST 26 Feb 2002 17:00 GMT - 26 Feb 2002 21:30 GMT SOT Lead: Tom Aldcroft Spacecraft/Aspect: FOT/Science Liason: HRC: ACIS: ======================================== Plan ---- Perform ACA dark current calibration which will be done via the daily load, then carry on with perigee passage. Events ------ 16:50 AOS on DSS-24 17:40 Start of ACA dark current replica 0 17:49 End of replica 0 18:23 Start replica 1 18:32 End replica 1 19:06 Start replica 2 19:15 End replica 2 19:49 Start replica 3 19:58 End replica 3 20:32 Start replica 4 20:41 End replica 4 22:15 LOS Notes/Issues/Problems --------------------- - The automated dark current commanding worked exactly as expected. There were no problems with comm quality on station 24. - Note that replica numbering above is per the flight procedures and commanded replica number. The GOT numbering in the telemetry file names goes from 1 to 5. - Preliminary analysis of 3 out of 5 replicas shows perfect data transmission (no lost CCD rows). - ACE rates are low ACE 130-214 keV proton fluences (p/cm2-sr-MeV) and Costello predicted activity index OBSERVED SOT alert ------------ ------------- 2-hour Fluence: 1.3E6 3.6E+8 Kp: 2.3 6.0 Snapshot -------- UTC 2002:057:21:24:51 (Feb26) f_ACE 1.68e+02 F_CRM 1.46e+08 Kp 2.3 R km 49353D OBT 2002:057:21:24:26 CTUVCDU 14565375 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 131145866.55 ONLVCDU 14565360 OBC Errs 0 OBSID 61282 EPState SUN SIM TTpos -99616 HETG Angle 79.46 PCADMODE NPNT RA 29.996 Bus V 29.61 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec -40.001 Bus I 35.08 AOFSTAR GUID Roll 249.189 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang 7.96 Yaw Rate -0.11 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang 7.65 Pitch Rate 0.23 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.08 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.52 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta 35.15 Batt 2 SOC 100.00% ACIS Stat7-0 67 Avg OBA Temp 51.21 SA Resolv 54.71 Batt 3 SOC 100.00% Cold Rad -125.5 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -82.0 OBA Trng Fault NFLT +Y SA Amps 17.03 RadMon DISA HRMA power 61.40 SCS 128 ACT -Y SA Amps 17.82 EPHIN Geom SMAL OBA power 140.70 SCS 129 ACT +Y SA Temp 115.49 E150 189268.3 SCS 130 ACT -Y SA Temp 115.85 E300 698.6 Roll Mom. -10.491 SCS 107 INAC E1300 0.0 Pitch Mom. 13.461 UpL Cmd Acc 33294 EPH A-Leak 1.0200 P4GM 745.3 Yaw Mom. -9.940 Cmd Rej A 237 EPH B-Leak 0.2840 P41GM 0.0 Explanation Current Data: UTC 2002:057:21:24:51 (Feb26) f_ACE 1.68e+02 F_CRM 1.46e+08 Kp 2.3 R km 49353D Currently scheduled FPSI, OTG : HRC-S NONE Costello Kp : 2.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.68e+02 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 : 0.02 GOES-10 P5 flux, in RADMON P41GM units : 0.01 Orbit Start Time : 2002:055:10:04:01 Geocentric Distance (km), Orbit Leg : 49474 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 3.96272000000e+04 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 8.24255683833e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.45960086933e+08