Mar_17_2003_M1334.txt Shift M1334 Start at 2003:076 21:00:00 UTC = 2003 Mar 17 4:00 pm EST End 2003 Mar 17 6:00 pm EST SOT shift report 2003-03-17 M1334 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Mar_17_2003_M1334.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running MAR1703A load. HRC has started collecting shield rate data at HV step 7, as part of a study of using the HRC shields as a realtime radiation detector on Chandra. Seq # ObsID It Target start time SI Grat RA dec roll ------------------------------------------------------------------------------------------------------ 400318 04420 0 GX 339-4 2003:076:20:05:00.511 75.7 ACIS-S HETG 255.7287 -48.8151 88.02 500364 P2 03885 0 RX J150818.8-401730 2003:077:17:35:02.511 3.0 ACIS-S NONE 227.0871 -40.3115 60.09 500363 P2 03884 0 RX J150139.6-403815 2003:077:18:34:43.568 3.0 ACIS-S NONE 225.4231 -40.6575 58.44 ORBITAL EVENTS: 2003:076:11:56:23.010 498 EPERIGEE ORBIT PERIGEE 2003:077:19:39:37.095 499 EAPOGEE ORBIT APOGEE 2003:079:03:22:40.925 499 EPERIGEE ORBIT PERIGEE 2003:080:11:06:19.670 500 EAPOGEE ORBIT APOGEE 2003:081:18:49:33.899 500 EPERIGEE ORBIT PERIGEE 2003:083:02:32:52.755 501 EAPOGEE ORBIT APOGEE 2003:084:10:17:08.407 501 EPERIGEE ORBIT PERIGEE 2003:085:18:00:15.981 502 EAPOGEE ORBIT APOGEE 2003:087:01:44:16.301 502 EPERIGEE ORBIT PERIGEE 2003:088:09:27:55.019 503 EAPOGEE ORBIT APOGEE 2003:089:17:11:13.383 503 EPERIGEE ORBIT PERIGEE 2003:091:00:55:28.458 504 EAPOGEE ORBIT APOGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 076:2100 AOS DSS-54 (Madrid 34m) 076:2135 04420 LOS DSS-54 (Madrid 34m) 076:2235 End of shift 076:2300 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at 076:2140: UTC 2003:076:21:41:04 (Mar17) f_ACE 7.10e+01 F_CRM 1.79e+07 Kp 6.0 R km 81729A OBT 2003:076:21:40:42 CTUVCDU 9825124 OBC s/w NRML FMT2_EPS CPEstat NORM OBT 164324442.55 ONLVCDU 9825112 OBC Errs 0 OBSID 4420 EPState SUN SIM TTpos 72639 HETG Angle 6.34 PCADMODE NPNT RA 255.731 Bus V 30.08 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec -48.816 Bus I 27.48 AOFSTAR GUID Roll 88.019 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang -4.58 Yaw Rate -0.02 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang 5.57 Pitch Rate -0.08 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.12 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -7.79 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta -6.83 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 51.37 SA Resolv 96.70 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 13.33 RadMon ENAB HRMA power 115.10 SCS 128 ACT -Y SA Amps 13.72 EPHIN Geom LARG OBA power 65.20 SCS 129 ACT +Y SA Temp 113.58 E150 180.5 SCS 130 ACT -Y SA Temp 113.58 E300 5.3 Roll Mom. 9.190 SCS 107 INAC E1300 0.1 Pitch Mom. 13.425 UpL Cmd Acc 65460 EPH A-Leak 1.0200 P4GM 0.2 Yaw Mom. 0.599 Cmd Rej A 6 EPH B-Leak 0.8160 P41GM 0.0 Current Data: UTC 2003:076:21:41:04 (Mar17) f_ACE 7.10e+01 F_CRM 1.79e+07 Kp 6.0 R km 81729A Currently scheduled FPSI, OTG : ACIS-S HETG Estimated Kp : 6.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 7.10e+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 : 2003:076:11:59:00 Geocentric Distance (km), Orbit Leg : 81560 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.66116000000e+04 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 3.32232000000e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.12862333060e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.79301024000e+07 Observed Expected -------- -------- PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 255.7287 deg 255.7287 DEC = -48.8151 deg -48.8151 ROLL = 88.02 deg 88.02 Format = 2 2 OBSID = 4420 4420 SIM FA = -467 -468 SIM TSC = 72639 72640 HETGA = 6.34 deg (IN) IN HETGB = 6.34 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 = ON, 7 Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 3800 ACIS FP Temp = -119.7 DEA Pwr = 54.7 DPA Pwr = 40.5 Science State = Science Active 2) Radiation The Chandra radiation environment is low and variable. ACE 2 hr fluence is 5.7e5 vs. threshold 3.6e8. CRM-based orbital fluence is 1.8e7 vs. threshold 3.0e9. Chandra is in the magnetosphere. 3) Quick Look data review (OK unless noted): Seq # ObsID Constr. Target Start Time SI Grat Comment --------------------------------------------------------------------------------------- There were no new quick look datasets in this shift.