Sep_11_2002_M1147.txt Shift M1147 Start at 2002:254:20:30:00 UTC = 2002 September 11 4:30pm EDT End 2002 September 11 6:30pm EDT SOT shift report 2002-09-11 M1147 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Sep_11_2002_M1147.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running SEP0802B load. Perform near-Earth ACA operations test. Seq # ObsID It Constr. Target Start Time SI Grat RA Dec Roll Slew --------------------------------------------------------------------------------------------------------------- 700416 02977 00 0 MRC 2251-178 2002:254:01:10:26.835 148.5 ACIS-S HETG 343.4941 -17.5862 336.49 41.37 400170 02690 00 1 2S 1845-024 2002:255:19:18:56.241 14.9 ACIS-S HETG 282.0602 -2.4053 266.61 119.96 ---- 61036 00 CAL-ER 2002:255:23:51:11.267 9.2 -- -- 282.0700 -2.4200 266.70 0.09 ---- 61035 00 CAL-ER 2002:256:03:24:21.267 3.6 -- -- 4.9000 22.9000 151.29 156.05 ---- 61034 00 CAL-ER 2002:256:09:08:21.267 0.0 -- -- 328.3000 -24.6000 309.72 161.81 ---- 61033 00 CAL-ER 2002:256:10:08:21.267 20.8 -- -- 282.6000 -46.0000 283.30 42.24 590264 02875 00 1 G21.5-0.9 [HRC-S, 2002:256:16:18:47.977 20.0 HRC-S NONE 278.3739 -10.5490 269.41 37.47 ORBITAL EVENTS: 2002:253:17:55:22.091 427 EPERIGEE ORBIT PERIGEE 2002:255:01:38:58.363 428 EAPOGEE ORBIT APOGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 254:2030 AOS DSS-54 (Madrid 34m) 254:2105 2977 LOS DSS-54 (Madrid 34m) 254:2205 End of shift 254:2230 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot: UTC 2002:254:21:09:05 (Sep11) f_ACE 4.22e+02 F_CRM 3.83e+08 Kp 2.0 R km 131796A OBT 2002:254:21:08:45 CTUVCDU 13875583 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 148165725.75 ONLVCDU 13875568 OBC Errs 0 OBSID 2977 EPState SUN SIM TTpos 74423 HETG Angle 6.34 PCADMODE NPNT RA 343.493 Bus V 29.93 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec -17.584 Bus I 33.55 AOFSTAR GUID Roll 336.491 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang -7.39 Yaw Rate -0.01 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang -6.34 Pitch Rate 0.17 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.14 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa -49.57 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta -49.78 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 50.42 SA Resolv 166.10 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 16.44 RadMon ENAB HRMA power 68.10 SCS 128 ACT -Y SA Amps 16.84 EPHIN Geom LARG OBA power 150.70 SCS 129 ACT +Y SA Temp 111.12 E150 7.0 SCS 130 ACT -Y SA Temp 111.43 E300 0.3 Roll Mom. 0.323 SCS 107 INAC E1300 0.0 Pitch Mom. -7.078 UpL Cmd Acc 7543 EPH A-Leak 0.3160 P4GM 0.2 Yaw Mom. 1.666 Cmd Rej A 169 EPH B-Leak 0.0640 P41GM 0.0 Current Data: UTC 2002:254:21:09:05 (Sep11) f_ACE 4.22e+02 F_CRM 3.83e+08 Kp 2.0 R km 131796A Currently scheduled FPSI, OTG : ACIS-S HETG Estimated Kp : 2.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 4.22e+02 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 : 0.01 GOES-10 P5 flux, in RADMON P41GM units : 0.01 Orbit Start Time : 2002:253:17:59:01 Geocentric Distance (km), Orbit Leg : 131796 A CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 1.00592800000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 2.01185600000e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.17275328880e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.82656053760e+08 2) Status at 254:2110 Observed Expected -------- -------- PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 343.4941 deg 343.4941 DEC = -17.5862 deg -17.5862 ROLL = 336.49 deg 336.49 Format = 2 2 OBSID = 2977 2977 SIM FA = -467 -468 SIM TSC = 74423 74424 HETGA = 6.34 deg (IN) IN HETGB = 5.96 deg (IN) IN LETGA = 78.71 deg (OUT) OUT LETGB = 77.96 deg (OUT) OUT HRC IM PS = ON, 42, 53 SP PS = OFF, 0, 0 Shield 1 HV = OFF, 0 Shield 2 HV = OFF, 0 Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 0 ACIS FP Temp = -119.7 DEA Pwr = 52.1 DPA Pwr = 41.0 Science State = Science Active 3) Radiation The Chandra radiation environment is moderate and decreasing. ACE 2 hr fluence is 2.7e6 vs. threshold 3.6e8. CRM-based orbital fluence is 3.8e8 vs. threshold 3.0e9. Chandra is in the magnetosheath. 4) Quick Look data review (OK unless noted): Seq # ObsID It Constr. Target Start Time SI Grat Comment ------------------------------------------------------------------------------------------ There were no new quicklook datasets in this shift.