SOT shift report 2002-04-05 M988 Shift M988. Start at 095:13:00 GMT = 08:00am 05 Apr EST End 12:00 noon 05 Apr See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Apr_05_2002_M988.txt. SOT Lead Mark Freeman Spac/Aspect FOT/Sci liason HRC ACIS (Times will be given in GMT on day 095.) PLAN ---- Running load APR0302C. Continue long (65ks) ACIS-S observation of the edge-on disk galaxy NGC 5775, obsid 2940. Radiation environment is currently very calm (ACE EPAM P3 ~ 90), and although there was a solar event yesterday, it appears to have been directed away from earth so should produce no significant radiation threat for ACIS. Accumulated orbital fluence very low (note 2). Next Comms: 095:2100 to 2200 096:0500 to 0600 096:1500 to 1600 096:2230 to 2330 097:0720 to 0920 097:1740 to 1840 Orbital events: 2002:096:09:36:13.313 368 ORBIT APOGEE 2002:097:17:20:21.888 368 ORBIT PERIGEE 2002:099:01:03:45.984 369 ORBIT APOGEE 2002:100:08:47:09.593 369 ORBIT PERIGEE 2002:101:16:31:26.096 370 ORBIT APOGEE 2002:103:00:14:40.847 370 ORBIT PERIGEE 2002:104:07:59:16.027 371 ORBIT APOGEE EVENTS TIME OBSID ------ ----- ----- Start shift 20:30 AOS (DSS-54) 21:00 Chandra status nominal (note 1) 21:07 02490 LOS 22:00 End shift 22:15 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra realtime status via shapshot during comm: UTC 2002:095:21:07:31 (Apr 5) f_ACE 8.89e+01 F_CRM 1.18e+08 Kp 1.7 R km 120553A OBT 2002:095:21:06:59 CTUVCDU 10596607 OBC s/w NRML FMT2_EPS CPEstat NORM OBT 134428019.68 ONLVCDU 10596592 OBC Errs 0 OBSID 2940 EPState SUN SIM TTpos 75624 HETG Angle 79.46 PCADMODE NPNT RA 223.510 Bus V 29.93 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec 3.538 Bus I 29.75 AOFSTAR GUID Roll 109.110 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 3.77 Yaw Rate 0.19 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 4.81 Pitch Rate 0.06 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.14 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa -42.53 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -49.80 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 50.81 SA Resolv 149.61 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 14.49 RadMon ENAB HRMA power 36.40 SCS 128 ACT -Y SA Amps 14.68 EPHIN Geom LARG OBA power 72.60 SCS 129 ACT +Y SA Temp 113.58 E150 1.0 SCS 130 ACT -Y SA Temp 114.20 E300 0.1 Roll Mom. -0.979 SCS 107 INAC E1300 0.0 Pitch Mom. 5.566 UpL Cmd Acc 37568 EPH A-Leak 1.0200 P4GM 0.0 Yaw Mom. 20.328 Cmd Rej A 248 EPH B-Leak 0.2000 P41GM 0.0 2) Current Radiation Data: UTC 2002:095:21:07:31 (Apr 5) f_ACE 8.89e+01 F_CRM 1.18e+08 Kp 1.7 R km 120553A Currently scheduled FPSI, OTG : ACIS-S NONE Costello Kp : 1.67 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 8.89e+01 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 : 2002:095:01:59:00 Geocentric Distance (km), Orbit Leg : 120384 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.91619000000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.91619000000e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.21298374000e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.17743952000e+08