Oct_06_2000_M442.txt Shift M442 Start at 2000:280:16:00:00 GMT = 2000 Oct 6 12:00pm EDT End 2000 Oct 6 02:00pm EDT SOT shift report 2000-10-06 M442 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Oct_06_2000_M442.txt SOT Lead Mark Freeman SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running OCT0200D on descending leg. Doing OBSID 1647 of RXJ0821 (galactic clusters) and then move on to OBSID 1850 of PSR J0437-4715 (millisecond pulsar) near end of COMM. Solar radiation levels are very low, even though we had a large Kp event yesterday. Seq # ObsID It Target start time SI Grat --------------------------------------------------------------------------------- 800115 01647 00 RXJ0821 2000:280:14:20:00.609 9.8 ACIS-S NONE 500121 01850 00 PSR J0437-4715 2000:280:17:35:02.652 19.6 HRC-S NONE EVENTS DONE OBSID -------------- ---- ----- Start Shift 280:1600 AOS (DSS-54) 1630 01647 Chandra snapshot at contact was nominal (see note 1) LOS 1730 01850 End of shift 280:1800 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra state during COMM: TC 2000:280:16:48:01 (Oct 6) f_ACE 3.25e+01 F_ACE 1.18e+06 Kp 1.3 R km 112526D OBT 2000:280:16:47:30 CTUVCDU 10990079 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 87238050.48 ONLVCDU 10990064 OBC Errs 0 OBSID 1647 EPState SUN SIM TTpos 75623 HETG Angle 79.8 PCADMODE NPNT RA 125.276 Bus V 30.71 SIM FApos -467 LETG Angle 78.3 PCONTROL NPNT Dec 7.856 Bus I 28.74 AOFSTAR GUID Roll 80.977 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -6.21 Yaw Rate -0.14 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 3.86 Pitch Rate -0.00 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.11 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.32 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta 21.27 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 51.13 SA Resolv 68.41 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 13.53 RADMON ENAB HRMA power 88.70 SCS 128 ACT -Y SA Amps 14.49 EPHIN Geom LARG OBA power 100.30 SCS 129 ACT +Y SA Temp 112.04 E150 2.4 SCS 130 ACT -Y SA Temp 112.66 E300 0.2 Roll Mom. 3.500 E1300 0.0 Pitch Mom. -3.104 UpL Cmd Acc 54573 EPH A-Leak 0.5120 P4GM 0.0 Yaw Mom. 3.016 Cmd Rej A 238 EPH B-Leak 0.0920 P41GM 0.0 2) Backup of coot telemetry data begun yesterday (see shift report Oct_06_2000_M441.txt) was checked and found to be OK. Files on the tape are /proj/telmon/tlm/raw/2000001 thru 2000099. These files were then deleted on the data disk, and the telemetry capture process restarted, as well as all disp functions on coot. All seems to be running properly now, i.e. data is accumulating in the data directory (.../2000280/) 3) Radiation levels are still low: UTC 2000:280:17:29:02 (Oct 6) f_ACE 4.97e+01 F_ACE 1.29e+06 Kp 1.7 R km 109893D Currently scheduled FPSI, OTG : HRC-S NONE Costello Kp : 1.67 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 4.97e+01 Orbit Start Time : 2000:278:16:09:01 Geocentric Distance (km), Orbit Leg : 109893 D CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 1.17796546331e+04 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.70943694839e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.19819442248e+08