Aug_23_2000_L398.txt Shift L398 Start at 2000:236:11:30:00 GMT = 2000 Aug 23 7:30am EDT End 2000 Aug 23 11:00am EDT SOT shift report 2000-08-23 L398 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Aug_23_2000_L398.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running AUG2000C just after perigee, with following observations scheduled: Seq # ObsID It Target start time SI Grat --------------------------------------------------------------------------------- ---- 61957 00 CAL-ER 2000:236:00:45:43.535 7.9 -- -- ACIS CTI ---- 61956 00 CAL-ER 2000:236:13:22:54.079 10.0 -- -- ACIS CTI 400038 00671 00 4U 1822-37 2000:236:16:37:34.079 40.0 ACIS-S HETG ORBITAL EVENTS: 2000:233:17:08:36.304 143 EPERIGEE ORBIT PERIGEE 2000:235:00:52:57.733 144 EAPOGEE ORBIT APOGEE 2000:236:08:37:08.757 144 EPERIGEE ORBIT PERIGEE 2000:237:16:21:43.618 145 EAPOGEE ORBIT APOGEE 2000:239:00:06:56.556 145 EPERIGEE ORBIT PERIGEE 2000:240:07:50:48.313 146 EAPOGEE ORBIT APOGEE 2000:241:15:36:26.084 146 EPERIGEE ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 236:1130 LOS at start shift Status at last contact was nominal (see note 1) AOS DSS-66 (Madrid) 236:1345 Status at AOS was nominal (see note 3) Note warm ACIS FP due to perigee passage End of shift 236:1500 NOTES/ISSUES/PROBLEMS --------------------- 1) Data from Chandra snapshot: UTC 2000:236:05:00:01 (Aug23) f_ACE 1.13e+02 F_ACE 0.00e+00 Kp 0.7 R km 47909D OBT 2000:236:04:58:42 CTUVCDU 12765823 OBC s/w NRML FMT2_NORM CPEstat OBT 83393922.93 ONLVCDU 12765808 OBC Errs 0 OBSID 61957 EPState SUN SIM TTpos -99616 HETG Angle 6.3 PCADMODE NPNT RA 314.001 Bus V 30.40 SIM FApos -467 LETG Angle 78.3 PCONTROL NPNT Dec -28.002 Bus I 34.06 AOFSTAR GUID Roll 310.534 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTNNN Dith Yang 7.36 Yaw Rate 0.17 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang 0.43 Pitch Rate 0.09 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.11 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa -49.62 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -49.78 Batt 2 SOC 100.00% ACIS Stat7-0 67 Avg OBA Temp 50.73 SA Resolv 156.30 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 HRMA power 13.60 SCS 128 -Y SA Amps 17.23 EPHIN Geom SMAL OBA power 147.90 SCS 129 +Y SA Temp 110.20 E150 1195707.3 SCS 130 -Y SA Temp 110.82 E300 9003.5 Roll Mom. 0.173 E1300 6.2 Pitch Mom. -1.926 UpL Cmd Acc 52725 EPH A-Leak 0.5400 P4GM 25062.3 Yaw Mom. 1.000 Cmd Rej A 118 EPH B-Leak 0.0960 P41GM 0.1 Expected RA, DEC, ROLL: 314.0000 -28.0000 310.53 2) Notes from 9:00am meeting: Operations (Darrell): - 2 supports last 24 hrs, both 34m, 2 SSR dumps, both good - 1 load seg uplinked, good thru 239:2230 Mission Planning (Ken/Kevin/Sabrina): - First AUG27 load review held yesterday, a few issues to work including one star catalog replacement (need Rob to do this) - Kevin working on times for next squeegy tests Spacecraft Engineering (Jeff): - All is OK. SOT (Bill Podgorski): - Radiation levels low - Obsid 943 nudge mode problem traced to momentum dump (see L397) DSOPS(Joy): - Several quick looks (see below) GOT(Ken) - All is OK. 3) Status at AOS 236:1345 PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 0 0 RA = 313.997789 deg 314.00000 DEC = -27.998622 deg -28.00000 ROLL = 309.983134 deg 309.98382 Format = 2 2 OBSID = 61956 61956 SIM FA = -467 -468 SIM TSC = -99616 -99616 HETGA = 6.33 deg (IN) IN HETGB = 6.33 deg (IN) IN LETGA = 79.08 deg (OUT) OUT LETGB = 78.33 deg (OUT) OUT EPHIN A-leak = 0.2400 B-leak = 0.0440 Altitude = 60990A (km) ACE Proton Flux = 20 (2 hr avg in 130-214 keV proton channel) Fluence (130-214KeV) = 1.5E+5 LT 3.6E+8 Radiation Level OK Kp Index (Costello) = 3.00 LT 6 is OK EPHIN Geom = - E150 = - E300 = - E1300 = - LT 10.00 (RADMON P4GM = - LT 300.00 Triggers) P41GM = - LT 8.47 HRC SP PS = OFF IM PS = ON IM Top Step = 42 IM Bot Step = 53 Shield 1 HV = OFF Shield 2 HV = OFF TE Rate 1 = 0 TE Rate 2 = 0 Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 0 ACIS FP Temp = -115.5 Cold Radiator = -123.1 DEA Pwr = 52.0 DPA Pwr = 41.0 Science State = Science Active 4) Quick Look data review(OK unless noted): Seq # ObsID It Target start time SI Grat Comments ---------------------------------------------------------------------------------------------------------- 700105 00433 00 MCG -6-30-15 2000:234:10:53:47.735 65.7 ACIS-S HETG