SOT Shift Report Shift M827 Duration: 26 Oct 2001 14:00 EDT - 26 Oct 2001 15:00 EDT 26 Oct 2001 18:00 GMT - 26 Oct 2001 19:00 GMT SOT Lead: Tom Aldcroft Spacecraft/Aspect: FOT/Science Liason: HRC: ACIS: Yousef Butt SOT shift report 2001-10-26 M827 ======================================== Plan ---- Continue with instruments safed, no observations being conducted. We plan to resume observations tomorrow with obsid 1956, at roughly 300:1100. Run CAP 653 to re-enable SCS 107. Uplink OCT2801A load. Run CAP 751 to start ACIS CTI measurement. Events ------ 18:00 AOS on DSS-24 18:38 Switch to obsid 62859 for ACIS CTI 19:00 LOS Notes/Issues/Problems --------------------- - ACE rates are just below threshold (20000), so observations can resume - Radiation replan load OCT2801A was approved and uplinked - EPHIN rates low - ACE rates are high but decreasing slowly ACE 130-214 keV proton fluences (p/cm2-sr-MeV) and Costello predicted activity index OBSERVED SOT alert ------------ ------------- 2-hour Fluence: 1.4E8 3.6E+8 Orbital Fluence (CRM): 1.0E8 1.0E+9 Orbital Fluence (ACIS team model): 1.1E8 1.0E+9 Kp: 1.3 6.0 - CAP 751 to start ACIS CTI measurement was successfully run Snapshot -------- Snapshot matches expected configuration UTC 2001:299:18:35:41 (Oct26) f_ACE 1.63e+04 F_CRM 1.03e+08 Kp 1.3 R km 132712A OBT 2001:299:18:35:05 CTUVCDU 6608255 OBC s/w NRML FMT2_EPS CPEstat NORM OBT 120508505.57 ONLVCDU 6608240 OBC Errs 0 OBSID 61427 EPState SUN SIM TTpos -99616 HETG Angle 79.46 PCADMODE NPNT RA 59.998 Bus V 30.08 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec 4.000 Bus I 28.24 AOFSTAR GUID Roll 72.249 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTN Dith Yang -3.33 Yaw Rate -0.02 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang -7.61 Pitch Rate 0.18 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.15 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa -49.64 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -49.80 Batt 2 SOC 100.00% ACIS Stat7-0 67 Avg OBA Temp 50.81 SA Resolv 149.80 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 13.72 RadMon DISA HRMA power 67.30 SCS 128 ACT -Y SA Amps 13.91 EPHIN Geom LARG OBA power 96.40 SCS 129 INAC +Y SA Temp 115.12 E150 40.5 SCS 130 INAC -Y SA Temp 115.85 E300 1.3 Roll Mom. -1.474 SCS 107 INAC E1300 0.1 Pitch Mom. -0.232 UpL Cmd Acc 31944 EPH A-Leak 0.5120 P4GM 1.4 Yaw Mom. 6.372 Cmd Rej A 198 EPH B-Leak 0.0960 P41GM 0.0 Explanation Current Data: UTC 2001:299:18:35:41 (Oct26) f_ACE 1.63e+04 F_CRM 1.03e+08 Kp 1.3 R km 132712A Currently scheduled FPSI, OTG : HRC-S NONE Costello Kp : 1.33 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.63e+04 Orbit Start Time : 2001:298:18:24:00 Geocentric Distance (km), Orbit Leg : 132664 A CRM Region : 1 (Solar_Wind) External Proton Flux (p/cm^2-s-sr-MeV) : 1.63000000000e+04 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.00323669463e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.02606330000e+08