SOT Shift Report Shift M742 Duration: 2 Aug 2001 14:00 EDT - 2 Aug 2001 15:00 EDT 2 Aug 2001 18:00 GMT - 2 Aug 2001 19:00 GMT SOT Lead: Tom Aldcroft Spacecraft/Aspect: FOT/Science Liason: HRC: ACIS: ======================================== Plan ---- Continue with JUL3001 load: Determine if X-ray emission during eclipse in the low mass X-ray binary 2S0921-630 is from an accretion disk corona, and measure the X-ray flux of the Z>4 quasar BRI 0401-1711. 01909 00 2S0921-630 2001:214:15:39:48.513 76.0 ACIS-S HETG 02182 00 BRI 0401-1711 2001:215:13:17:52.322 4.0 ACIS-S NONE Events ------ 18:00 AOS on DSS-54 19:00 LOS Notes/Issues/Problems --------------------- - ACIS FP temperature -119.7 C - ACE rates still moderate and steady. HETG is inserted so the fluence is increasing only slowly - ACE 130-214 keV proton fluences (p/cm2-sr-MeV) and Costello predicted activity index OBSERVED SOT alert ------------ ------------- 2-hour Fluence: 2.8E7 3.6E+8 Orbital Fluence (CRM): 2.7E8 1.0E+9 Orbital Fluence (ACIS team model): 7.8E7 1.0E+9 Kp: 6.0 - EPHIN rates are low Quick look ---------- 1905 Cir X-1 As Joy noted, the QL on this looks a bit odd, with a very small zero-order blocking region and a large rectangle of reduced intensity surrounding the zero order. The grating spectrum looks fine. 2068 NGC 4621 OK 1982 KES 79 OK 974 M16 OK 2492 CI Aql OK Snapshot -------- Snapshot matches expected configuration UTC 2001:214:18:44:23 (Aug 2) f_ACE 2.24e+03 F_CRM 2.66e+08 Kp 1.0 R km 111840A OBT 2001:214:18:43:57 CTUVCDU 11505104 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 113165037.23 ONLVCDU 11505096 OBC Errs 0 OBSID 1909 EPState SUN SIM TTpos 75623 HETG Angle 6.34 PCADMODE NPNT RA 140.673 Bus V 31.02 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec -63.275 Bus I 25.96 AOFSTAR GUID Roll 187.599 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -5.24 Yaw Rate 0.06 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 7.67 Pitch Rate -0.12 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.07 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.44 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta 8.63 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 50.97 SA Resolv 81.28 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 12.18 RadMon ENAB HRMA power 70.40 SCS 128 ACT -Y SA Amps 13.14 EPHIN Geom LARG OBA power 74.20 SCS 129 ACT +Y SA Temp 108.44 E150 2.6 SCS 130 ACT -Y SA Temp 108.97 E300 0.1 Roll Mom. -6.669 SCS 107 INAC E1300 0.1 Pitch Mom. 0.851 UpL Cmd Acc 49279 EPH A-Leak 0.7480 P4GM 0.0 Yaw Mom. 6.241 Cmd Rej A 51 EPH B-Leak 0.1360 P41GM 0.0 Current Data: UTC 2001:214:18:45:21 (Aug 2) f_ACE 2.24e+03 F_CRM 2.66e+08 Kp 1.0 R km 111897A Currently scheduled FPSI, OTG : ACIS-S HETG Costello Kp : 1.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.24e+03 Orbit Start Time : 2001:214:03:29:00 Geocentric Distance (km), Orbit Leg : 111780 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 8.70482000000e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.74096400000e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.06237091640e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.65506417360e+08