Sep_17_2001_M788.txt Shift M788 Start at 2001:260:20:00:00 UTC = 2001 Sep 17 4:00pm EDT End 2001 Sep 17 7:00pm EDT SOT shift report 2001-09-17 M788 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Sep_17_2001_M788.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running SEP1701E load. Seq # ObsID It Target start time SI Grat RA dec roll --------------------------------------------------------------------------------------------------- 200114 01886 00 TAU CETI 2001:260:12:45:41.545 50.0 ACIS-S NONE 26.0261 -15.9556 68.72 700369 02179 00 PSS 0059+0003 2001:261:03:07:01.545 2.8 ACIS-S NONE 14.8620 0.0381 95.79 700370 02180 00 BRI 0103+0032 2001:261:04:03:54.788 4.0 ACIS-S NONE 16.5973 0.7944 97.24 ORBITAL EVENTS: 2001:260:10:08:33.880 292 EAPOGEE ORBIT APOGEE 2001:261:17:52:24.932 292 EPERIGEE ORBIT PERIGEE 2001:263:01:35:44.582 293 EAPOGEE ORBIT APOGEE 2001:264:09:18:49.948 293 EPERIGEE ORBIT PERIGEE 2001:265:17:02:37.377 294 EAPOGEE ORBIT APOGEE 2001:267:00:46:32.533 294 EPERIGEE ORBIT PERIGEE 2001:268:08:29:55.812 295 EAPOGEE ORBIT APOGEE 2001:269:16:14:37.393 295 EPERIGEE ORBIT PERIGEE 2001:270:23:57:43.232 296 EAPOGEE ORBIT APOGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 260:2000 AOS DSS-66 (Madrid 26m) 260:2045 1886 LOS DSS-66 (Madrid 26m) 260:2245 End of shift 260:2300 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot: UTC 2001:260:21:19:07 (Sep17) f_ACE 8.52e+01 F_CRM 4.31e+08 Kp 1.0 R km 126131D OBT 2001:260:21:18:44 CTUVCDU 10274139 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 117148724.79 ONLVCDU 10274128 OBC Errs 0 OBSID 1886 EPState SUN SIM TTpos 75623 HETG Angle 79.84 PCADMODE NPNT RA 26.028 Bus V 30.40 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec -15.955 Bus I 28.49 AOFSTAR GUID Roll 68.723 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang 5.29 Yaw Rate -0.04 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang 5.56 Pitch Rate -0.07 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.15 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa -17.62 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -49.67 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 50.81 SA Resolv 146.75 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 14.10 RadMon ENAB HRMA power 101.40 SCS 128 ACT -Y SA Amps 14.10 EPHIN Geom LARG OBA power 109.70 SCS 129 ACT +Y SA Temp 112.66 E150 12.9 SCS 130 ACT -Y SA Temp 113.58 E300 0.2 Roll Mom. -3.986 SCS 107 ACT E1300 0.0 Pitch Mom. -5.144 UpL Cmd Acc 42966 EPH A-Leak 0.8040 P4GM 0.0 Yaw Mom. 8.179 Cmd Rej A 74 EPH B-Leak 0.1480 P41GM 0.0 Current Data: UTC 2001:260:21:19:07 (Sep17) f_ACE 8.52e+01 F_CRM 4.31e+08 Kp 1.0 R km 126131D Currently scheduled FPSI, OTG : ACIS-S NONE Costello Kp : 1.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 8.52e+01 Orbit Start Time : 2001:259:02:29:01 Geocentric Distance (km), Orbit Leg : 126131 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.40469000000e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.40469000000e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 9.90048956995e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 4.30645145995e+08 2) Status at 260/2115: Observed Expected -------- -------- PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 214.0967 deg 26.0261 DEC = 23.2543 deg -15.9556 ROLL = 281.21 deg 68.72 Format = 2 2 OBSID = 1886 1886 SIM FA = -467 -468 SIM TSC = 75623 75624 HETGA = 79.84 deg (OUT) OUT HETGB = 80.21 deg (OUT) OUT 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 = -119.9 DEA Pwr = 23.2 DPA Pwr = 34.7 Science State = Science Active 3) Radiation: The Chandra radiation environment is quiet. ACE EPAM P3: 2 hr fluence is 7.2e5 vs. threshold 3.6e8. CRM-based orbital fluence is 4.3e8 vs. threshold 1.0e9. Chandra is in the magnetosphere. 4) Quick look data: There were no new quicklook data in this shift. 5) Guide stars for obsid 1886 During obsid 1886 (Tau Ceti), the OBC is occasionally re-issuing search commands for the two faintest guide stars in ACA slots 6 and 7, because the ACA is occasionally setting the "multiple stars" flag for those slots.