SOT Shift Report 2002-08-27 M1132 Start at 239:20:30 GMT 04:30 pm 27 Aug EDT End 06:00 pm 27 Aug -------- See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Aug_27_2002_M1132.txt SOT Lead Mark Freeman (Times will be given in GMT on day 239.) PLAN ---- Running load AUG2602D with obsid 2811, an ACIS-S/HETG observation of the anomalous X-ray pulsar 1E1048-59, to look for a proton cyclotron feature. Then do CTI measurements prior to perigee passage. ACE EPAM P3 rates are declining slowly (currently running around 4500), and the current accumulated fluence this orbit is ~2.25e09 p/cm^2-sr-MeV from the CRM vs. the limit of 3e09. With the HETG in for the remainder of the orbit, we should stay within budget. Next Comms: 239:2050 to 2150 240:0500 to 0600 240:1345 to 1445 240:2300 to 0000 241:0745 to 0845 241:1630 to 1730 Orbital events: 2002:239:04:51:51.878 422 EAPOGEE ORBIT APOGEE 2002:240:12:35:44.029 422 EPERIGEE ORBIT PERIGEE 2002:241:20:20:02.054 423 EAPOGEE ORBIT APOGEE 2002:243:04:04:32.349 423 EPERIGEE ORBIT PERIGEE 2002:244:11:48:33.813 424 EAPOGEE ORBIT APOGEE 2002:245:19:33:41.256 424 EPERIGEE ORBIT PERIGEE 2002:247:03:17:01.836 425 EAPOGEE ORBIT APOGEE EVENTS Time OBSID ------ -------- ----- Start shift 238:2030 AOS (DSS-54) 2050 Chandra status nominal (Note 1) 2109 02811 LOS 2150 End shift 2200 NOTES/ISSUES/PROBLEMS --------------------- (1) Chandra status from snapshot: UTC 2002:239:21:09:40 (Aug27) f_ACE 4.42e+03 F_CRM 2.25e+09 Kp 2.0 R km 107540D OBT 2002:239:21:09:17 CTUVCDU 8818047 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 146869757.13 ONLVCDU 8818032 OBC Errs 0 OBSID 2811 EPState SUN SIM TTpos 75624 HETG Angle 6.34 PCADMODE NPNT RA 162.556 Bus V 30.24 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec -59.871 Bus I 31.27 AOFSTAR GUID Roll 186.760 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -0.22 Yaw Rate 0.19 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang -3.39 Pitch Rate 0.06 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.13 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.42 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta 19.77 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 51.29 SA Resolv 70.08 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 15.07 RadMon ENAB HRMA power 62.90 SCS 128 ACT -Y SA Amps 15.85 EPHIN Geom LARG OBA power 102.90 SCS 129 ACT +Y SA Temp 109.89 E150 54.9 SCS 130 ACT -Y SA Temp 110.51 E300 1.6 Roll Mom. -2.353 SCS 107 INAC E1300 0.0 Pitch Mom. 0.884 UpL Cmd Acc 49993 EPH A-Leak 1.0200 P4GM 1.5 Yaw Mom. 10.066 Cmd Rej A 67 EPH B-Leak 0.5880 P41GM 0.0 (2) Current Radiation Data: UTC 2002:239:21:09:40 (Aug27) f_ACE 4.42e+03 F_CRM 2.25e+09 Kp 2.0 R km 107540D Currently scheduled FPSI, OTG : ACIS-S HETG Estimated Kp : 2.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 4.42e+03 GOES-8 P2 flux, in RADMON P4GM units : 0.01 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 : 2002:237:21:14:01 Geocentric Distance (km), Orbit Leg : 107598 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 5.11804000000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.02360800000e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.65662530685e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.24843893605e+09 (3) No quick-looks today