SOT shift report 2002-10-30 M1196 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Oct_30_2002_M1196.txt. Shift M1196. Start at 303:18:00 GMT = 01:00pm 30 Oct EST End 02:30pm 30 Oct SOT Lead M. Freeman (Times will be given in GMT on day 303.) PLAN ---- Continue running load OCT2802B. Do ACIS CTI measurements surrounding the perigee passage. First observation of orbit 447 will be ACIS-I obsid 3196, the distant cluster MACS-J0647.7+7015 to determine distances using the SZ effect, and to study cluster evolution. Although there has been some perturbation in the ACE EPAM P3 rate in the last few hours (in comparison to a very stable low value over the last several days), the rates are still quite low (<200). The Costello Index Kp is somewhat elevated at ~3. Next Comms: 304:0400 to 0500 304:1310 to 1510 304:2250 to 0050 305:0650 to 0750 305:1730 to 1830 306:0155 to 0355 306:1300 to 1400 306:2200 to 0000 307:0900 to 1000 307:1800 to 1900 Orbital events: 2002:303:23:43:07.851 446 ORBIT PERIGEE 2002:305:07:26:21.998 447 ORBIT APOGEE 2002:306:15:09:55.723 447 ORBIT PERIGEE 2002:307:22:53:37.494 448 ORBIT APOGEE 2002:309:06:36:37.528 448 ORBIT PERIGEE 2002:310:14:20:21.810 449 ORBIT APOGEE 2002:311:22:04:27.069 449 ORBIT PERIGEE 2002:313:05:47:41.863 450 ORBIT APOGEE 2002:314:13:32:14.111 450 ORBIT PERIGEE EVENTS Day/Time OBSID ------ -------- ----- Start shift 303:1800 AOS (DSS-54) 1825 Chandra status nominal (see note 1) 1831 60976 LOS 1925 End shift 1930 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra status via snapshot: UTC 2002:303:18:31:21 (Oct30) f_ACE 1.58e+02 F_CRM 3.09e+09 Kp 3.7 R km 56617D OBT 2002:303:18:30:41 CTUVCDU 13582719 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 152389841.40 ONLVCDU 13582704 OBC Errs 0 OBSID 60976 EPState SUN SIM TTpos -99616 HETG Angle 79.46 PCADMODE NPNT RA 57.000 Bus V 29.77 SIM FApos -535 LETG Angle 77.96 PCONTROL NPNT Dec 17.801 Bus I 28.49 AOFSTAR GUID Roll 97.174 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 3.69 Yaw Rate -0.12 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang -0.61 Pitch Rate -0.03 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.08 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa -49.62 Batt 1 SOC 100.00% Avg HRMA Temp 70.56 FSS Beta -49.94 Batt 2 SOC 100.00% ACIS Stat7-0 67 Avg OBA Temp 51.29 SA Resolv 158.47 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 13.91 RadMon DISA HRMA power 87.70 SCS 128 ACT -Y SA Amps 14.30 EPHIN Geom LARG OBA power 108.80 SCS 129 ACT +Y SA Temp 115.85 E150 145.9 SCS 130 ACT -Y SA Temp 116.58 E300 4.4 Roll Mom. 5.370 SCS 107 INAC E1300 0.1 Pitch Mom. -12.916 UpL Cmd Acc 19752 EPH A-Leak 1.0200 P4GM 0.2 Yaw Mom. 1.022 Cmd Rej A 176 EPH B-Leak 0.5000 P41GM 0.1 2) Chandra radiaton this orbit: UTC 2002:303:18:33:26 (Oct30) f_ACE 9.32e+01 F_CRM 3.09e+09 Kp 3.7 R km 56396D Currently scheduled FPSI, OTG : HRC-S NONE Estimated Kp : 3.67 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 9.32e+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 : 2002:301:08:19:00 Geocentric Distance (km), Orbit Leg : 56396 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.81527600000e+05 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 5.74072651170e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.08567284170e+09