Aug_23_2002_M1128.txt Shift M1128 Start at 2002:235:18:00:00 UTC = 2002 August 23 2:00pm EDT End 2002 August 23 3:30pm EDT SOT shift report 2002-08-23 M1128 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Aug_23_2002_M1128.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running AUG1902D load. Seq # ObsID It Constr. Target Start Time SI Grat RA Dec Roll Slew --------------------------------------------------------------------------------------------------------------- 500233 02783 00 0 SNR N157B 2002:235:17:55:19.713 45.0 ACIS-S NONE 84.5046 -69.1783 114.51 75.91 200149 P4 02541 00 0 HD1685 2002:236:06:53:19.713 2.4 ACIS-I NONE 5.1445 -69.6490 36.35 26.07 300084 02683 00 1 M28 2002:236:08:06:32.506 12.5 ACIS-S NONE 276.1159 -24.8679 273.55 79.71 ORBITAL EVENTS: 2002:235:05:40:28.830 420 EPERIGEE ORBIT PERIGEE 2002:236:13:24:04.268 421 EAPOGEE ORBIT APOGEE 2002:237:21:07:43.408 421 EPERIGEE ORBIT PERIGEE 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 DONE OBSID -------------- ---- ----- Start Shift 235:1800 AOS DSS-54 (Madrid 34m) 235:1815 2783 LOS DSS-54 (Madrid 34m) 235:1915 End of shift 235:1930 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot: UTC 2002:235:18:25:07 (Aug23) f_ACE 8.95e+02 F_CRM 2.99e+08 Kp 2.0 R km 97247A OBT 2002:235:18:24:38 CTUVCDU 7430911 OBC s/w NRML FMT2_EPS CPEstat NORM OBT 146514278.37 ONLVCDU 7430896 OBC Errs 0 OBSID 2783 EPState SUN SIM TTpos 75624 HETG Angle 79.46 PCADMODE NPNT RA 84.501 Bus V 30.24 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec -69.180 Bus I 30.77 AOFSTAR GUID Roll 114.503 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -4.25 Yaw Rate -0.03 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang -6.04 Pitch Rate -0.08 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.14 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.34 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta -3.29 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 50.81 SA Resolv 93.14 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 14.88 RadMon ENAB HRMA power 23.20 SCS 128 ACT -Y SA Amps 15.66 EPHIN Geom LARG OBA power 127.80 SCS 129 ACT +Y SA Temp 109.89 E150 56.0 SCS 130 ACT -Y SA Temp 109.89 E300 2.0 Roll Mom. -9.020 SCS 107 INAC E1300 0.1 Pitch Mom. 10.986 UpL Cmd Acc 39985 EPH A-Leak 1.0200 P4GM 0.8 Yaw Mom. 7.499 Cmd Rej A 127 EPH B-Leak 0.2360 P41GM 0.1 Current Data: UTC 2002:235:18:25:07 (Aug23) f_ACE 8.95e+02 F_CRM 2.99e+08 Kp 2.0 R km 97247A Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 1.67 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 8.95e+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 : 2002:235:05:44:01 Geocentric Distance (km), Orbit Leg : 97179 A CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 5.21201000000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 5.21201000000e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.06890996000e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.99475120000e+08 2) Status at 235:1830 Observed Expected -------- -------- PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 84.5046 deg 84.5046 DEC = -69.1783 deg -69.1783 ROLL = 114.51 deg 114.51 Format = 2 2 OBSID = 2783 2783 SIM FA = -467 -468 SIM TSC = 75624 75624 HETGA = 79.46 deg (OUT) OUT HETGB = 80.21 deg (OUT) OUT LETGA = 78.71 deg (OUT) OUT LETGB = 77.96 deg (OUT) OUT HRC IM PS = OFF, 0, 0 SP PS = ON, 43, 54 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 = 30.6 DPA Pwr = 41.3 Science State = Science Active 3) Radiation The Chandra radiation environment is moderate and steady. ACE 2 hr fluence is 8.8e6 vs. threshold 3.6e8. CRM-based orbital fluence is 3.0e8 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.