SOT Shift Report Shift M530 Duration: 2 Jan 2001 15:30 EST - 2 Jan 2001 17:00 EST 2 Jan 2001 20:30 GMT - 2 Jan 2001 22:00 GMT SOT Lead: Tom Aldcroft Spacecraft/Aspect: FOT/Science Liason: HRC: ACIS: ======================================== Plan ---- Continue with DEC2500 load: Grating observation of the SNR N103B to determine ejecta velocieties, abundances and plasma conditions; observation of a cool active star during the primary eclipse to obtain phase-resolved coronal diagnostics. 02416 00 N103B 2001:002:21:18:23.902 17.7 ACIS-S HETG 00601 00 TY PYX (HD77137) 2001:003:02:40:08.328 50.0 ACIS-S HETG 02410 00 N103B 2001:003:17:00:45.347 26.0 ACIS-S HETG Events ------ 21:00 AOS on DSS-24 21:58 LOS Notes/Issues/Problems --------------------- - Radiation is low and falling slowly - ACIS FP temperature -119.9 C - At AOS (during a maneuver) the ACA was showing all 8 slots as "Lost, searching" (function = 3). I will examine dump data for the beginning of the manevuer to make sure I understand this. Note that the subsequent acquisition (at 02:21:10) was nominal. Snapshot -------- UTC 2001:002:21:56:09 (Jan 2) f_ACE 5.84e+01 F_ACE 4.88e+04 Kp 3.7 R km 79799A OBT 2001:002:21:55:40 CTUVCDU 7170558 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 94859740.29 ONLVCDU 7170544 OBC Errs 0 OBSID 2416 EPState SUN SIM TTpos 75623 HETG Angle 6.34 PCADMODE NPNT RA 77.207 Bus V 29.77 SIM FApos -467 LETG Angle 78.34 PCONTROL NPNT Dec -68.730 Bus I 34.82 AOFSTAR GUID Roll 339.884 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 6.95 Yaw Rate 0.15 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang -2.82 Pitch Rate -0.18 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.13 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -4.48 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta 3.33 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 51.05 SA Resolv 86.49 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 16.84 RadMon ENAB HRMA power 71.90 SCS 128 ACT -Y SA Amps 17.82 EPHIN Geom LARG OBA power 133.00 SCS 129 ACT +Y SA Temp 116.58 E150 5.7 SCS 130 ACT -Y SA Temp 116.95 E300 0.2 Roll Mom. 7.395 SCS 107 INAC E1300 0.0 Pitch Mom. -13.334 UpL Cmd Acc 60552 EPH A-Leak 1.0200 P4GM 0.1 Yaw Mom. 4.624 Cmd Rej A 99 EPH B-Leak 0.2040 P41GM 0.0 Current Data: UTC 2001:002:21:56:09 (Jan 2) f_ACE 5.84e+01 F_ACE 4.88e+04 Kp 3.7 R km 79799A Currently scheduled FPSI, OTG : ACIS-S HETG Costello Kp : 3.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 5.84e+01 Orbit Start Time : 2001:002:13:59:01 Geocentric Distance (km), Orbit Leg : 79492 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 4.3e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 8.6e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 9.0e+07 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.7e+06