Oct_24_2003_M1555.txt Shift M1555 Start at 2003:297 20:30:00 UTC = 2003 Oct 24 4:30 pm EDT End 2003 Oct 24 6:00 pm EDT SOT shift report 2003-10-24 M1555 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Oct_24_2003_M1555.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - No load running. Loads are stopped because of high radiation. Radiation will be discussed tomorrow at 9am ET, to assess when the science mission can resume. Candidate loads are being built to resume science at the exit from the next perigee. Seq # ObsID It Target start time SI Grat RA dec roll ----------------------------------------------------------------------------------------------------- ORBITAL EVENTS: 2003:297:07:05:43.371 582 EAPOGEE ORBIT APOGEE 2003:298:14:48:46.043 582 EPERIGEE ORBIT PERIGEE 2003:299:22:32:22.806 583 EAPOGEE ORBIT APOGEE 2003:301:06:16:07.596 583 EPERIGEE ORBIT PERIGEE 2003:302:13:59:15.020 584 EAPOGEE ORBIT APOGEE 2003:303:21:43:31.304 584 EPERIGEE ORBIT PERIGEE 2003:305:05:26:58.729 585 EAPOGEE ORBIT APOGEE 2003:306:13:10:34.451 585 EPERIGEE ORBIT PERIGEE 2003:307:20:54:45.086 586 EAPOGEE ORBIT APOGEE 2003:309:04:38:07.561 586 EPERIGEE ORBIT PERIGEE 2003:310:12:22:40.962 587 EAPOGEE ORBIT APOGEE 2003:311:20:06:32.771 587 EPERIGEE ORBIT PERIGEE 2003:313:03:50:58.858 588 EAPOGEE ORBIT APOGEE 2003:314:11:35:29.516 588 EPERIGEE ORBIT PERIGEE 2003:315:19:19:29.654 589 EAPOGEE ORBIT APOGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 297:2030 AOS DSS-24 (Goldstone 34m) 297:2045 3732 (load stopped) LOS DSS-24 (Goldstone 34m) 297:2145 End of shift 297:2200 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at 297:2115: UTC 2003:297:21:16:02 (Oct24) f_ACE 7.59e+04 F_CRM 1.33e+09 Kp 3.0 R km 110147D OBT 2003:297:21:15:30 CTUVCDU 447871 OBC s/w NRML FMT1_NORM CPEstat NORM OBT 183417330.37 ONLVCDU 447856 OBC Errs 0 OBSID 3732 EPState SUN SIM TTpos -99616 HETG Angle 79.46 PCADMODE NPNT RA 65.517 Bus V 29.61 SIM FApos -715 LETG Angle 77.59 PCONTROL NPNT Dec 19.523 Bus I 33.04 AOFSTAR GUID Roll 96.753 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc NNNTTTTT Dith Yang 19.38 Yaw Rate -0.09 HRC-S HV OFF ACA CCD Temp -15.6 Dith Zang 4.19 Pitch Rate 0.20 OBSMode OBSV ACA Int Time 1.698 Roll Rate 0.20 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa 16.02 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta 49.74 Batt 2 SOC 100.00% ACIS Stat7-0 67 Avg OBA Temp 51.21 SA Resolv 143.60 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 16.25 RadMon DISA HRMA power 121.20 SCS 128 INAC -Y SA Amps 16.25 EPHIN Geom LARG OBA power 156.80 SCS 129 INAC +Y SA Temp 115.49 E150 112.4 SCS 130 INAC -Y SA Temp 116.95 E300 1.5 Roll Mom. 3.172 SCS 107 DISA E1300 0.0 Pitch Mom. -13.487 UpL Cmd Acc 19041 EPH A-Leak 1.0200 P4GM 9.7 Yaw Mom. 10.507 Cmd Rej A 32 EPH B-Leak 0.5120 P41GM 0.0 Gyro 1 Curr 1 7.20 Roll Bias -0.5173 Gyro 1 Curr 2 9.60 Pitch Bias -1.8713 Gyro 2 Curr 1 105.60 Yaw Bias -0.8780 Gyro 2 Curr 2 96.00 Current Data: UTC 2003:297:21:16:02 (Oct24) f_ACE 7.59e+04 F_CRM 1.33e+09 Kp 3.0 R km 110147D Currently scheduled FPSI, OTG : HRC-S NONE Estimated Kp : 3.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 7.59e+04 GOES-10 P2 flux, in RADMON P4GM units : 0.03 GOES-12 P2 flux, in RADMON P4GM units : 0.03 GOES-10 P5 flux, in RADMON P41GM units : 0.01 GOES-12 P5 flux, in RADMON P41GM units : 0.01 Orbit Start Time : 2003:295:23:24:00 Geocentric Distance (km), Orbit Leg : 110241 D CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 1.52699019000e+05 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.16765182537e+10 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.33033059003e+09 Observed Expected -------- -------- PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 0 0 RA = 65.517 deg 65.5164 DEC = 19.523 deg 19.5178 ROLL = 96.75 deg 96.75 Format = 1 1 OBSID = 3732 3732 SIM FA = -715 -716 SIM TSC = -99616 -99616 HETGA = 79.46 deg (OUT) OUT HETGB = 80.21 deg (OUT) OUT LETGA = 78.34 deg (OUT) OUT LETGB = 77.59 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 = 18.7 DPA Pwr = 12.3 Science State = Science Idle 2) Radiation The ACE radiation environment is high and decreasing. The GOES proton radiation flux is elevated but decreasing. ACE 2 hr fluence is 9.7e8 vs. threshold 3.6e8. CRM-based orbital fluence is 1.3e9 vs. threshold 3.0e9. Chandra is in the magnetosheath.