Mar_17_2000_L238.txt Shift L238 Start at 2000:077:12:30:00 GMT = 2000 Mar 17 7:30am EST End 2000 Mar 17 11:30am EST See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Mar_17_2000_L238.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running MAR1200D in radiation zone moving down towards perigee. ORBITAL EVENTS: 2000:075:01:08:50.767 83 EPERIGEE ORBIT PERIGEE 2000:076:08:52:44.145 84 EAPOGEE ORBIT APOGEE 2000:077:16:37:57.693 84 EPERIGEE ORBIT PERIGEE 2000:079:00:20:57.806 85 EAPOGEE ORBIT APOGEE 2000:080:08:05:28.665 85 EPERIGEE ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift LOS 077:1230 State at last pass was nominal (see note 1) AOS DSS-54 (Madrid) 077:1415 Chandra status at AOS was nominal (note 2) LOS DSS-54 077:1510 End of shift 077:1630 NOTES/ISSUES/PROBLEMS --------------------- 1) State at last COMM: UTC 2000:077:06:30:00 (Fri Mar 17) f_ACE 6.08e+01 F_ACE 4.69e+06 R km 93441D OBT 2000:077:06:29:36 CTUVCDU 9508607 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 69661776.17 ONLVCDU 9508592 OBC Errs 0 OBSID 956 EPState SUN SIM TTpos 92903 HETG Angle 80.2 PCADMODE NPNT RA 6.051 Bus V 30.55 SIM FApos -535 LETG Angle 79.1 PCONTROL NPNT Dec -72.057 Bus I 32.28 AOFSTAR GUID Roll 189.408 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -3.49 Yaw Rate -0.23 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang -7.67 Pitch Rate -0.19 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.07 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.40 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta 18.65 Batt 2 SOC 100.00% ACIS Stat7-0 66 Avg OBA Temp 51.05 SA Resolv 71.08 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 15.46 HRMA power 114.00 -Y SA Amps 16.64 EPHIN Geom LARG OBA power 140.70 +Y SA Temp 113.58 E1300 0 -Y SA Temp 114.20 P4GM 2 Roll Mom. -1.299 SCS 128 P41GM 0 Pitch Mom. -8.134 SCS 129 UpL Cmd Acc 40745 A-Leak 0.4240 Yaw Mom. -3.591 SCS 130 Cmd Rej A 22 B-Leak 0.0680 Expected RA, Dec, Roll (degrees): 6.04682, -72.05542, 189.40324 2) Chandra's state at 077:1415 was: WAS EXPECTED PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 0 RA = 88.200001 deg 88.19999 DEC = -28.000001 deg -28.00000 ROLL = 271.249999 deg 271.25001 Format = 2 2 OBSID = 62118 62118 SIM FA = -535 -536 SIM TSC = -99616 -99616 HETGA = 80.21 deg (OUT) OUT HETGB = 80.96 deg (OUT) OUT LETGA = 80.58 deg (OUT) OUT LETGB = 79.08 deg (OUT) OUT EPHIN A-leak = 0.6160 B-leak = 0.1080 ACE Proton Flux = 75 (2 hr avg in 130-214 keV proton channel) Fluence (130-214KeV) = 5.4E+5 LT 3.6E+8 Radiation Level OK EPHIN Geom = In rad zone E1300 = LT 1318.52 (RADMON P4GM = LT 118.08 Triggers) P41GM = LT 100.00 HRC SP PS = ON IM PS = OFF SP Top Step = 43 SP Bot Step = 54 Shield 1 HV = OFF Shield 2 HV = OFF Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 0 ACIS FP Temp = -115.2 Cold Radiator = -120.7 DEA Pwr = 20.0 DPA Pwr = 40.2 3) Notes from 9:00am meeting: Operations (Darrel Wicker): - 3 supports, 4 dumps last 24 hrs. All good. - Last segment of MAR12 load is up, we're good thru 080:1045 - Eclipse 9 will occur today from 077:1735 to 077:1826. A medium eclipse with no real time contact. Mission Planning (Dan Shropshire): - Final March 19 load review expected at 2:00pm today, however, a re-build will be needed (prior to review) based on inputs from S/C engineering (Jeff). Notification of re-build will be sent out via E-mail. - Ken has MAR26 load well underway. - Paul Goulart testing OFLS 8.1a on 3rd string. - Tracking 4 to 5 OFLS issues now with CSC. Spacecraft Engineering: - Two dump telemetry glitches interfered with GRETA trending yesterday (day 076). Will possible re-do the GRETA merge file. SOT (Bill Podgorski): - Radiation levels up a bit but still no issue. - Discussed work on FID light drift. ASCDSOPS(Joy Nichols): - 3 quick looks available (see below) 4) Quick Look data review: OBSID Target Time Comment ----- ------ -------------- ------- 00136 E0102-72.3 2000:076:03:55 ACIS-I calibration observation. Large ring-like off-axis image as expected. 00629 HD 68273 2000:075:09:11 ACIS-S/HETG observation. Looks ok. Grating lines visible. 00078 47 TUC 2000:076:07:13 ACIS-I observation of globular cluster. Looks ok, several sources visible.