Mar_16_2000_L237.txt Shift L237 Start at 2000:076:12:30:00 GMT = 2000 Mar 16 7:30am EST End 2000 Mar 16 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_16_2000_L237.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running MAR1200D observation 953, 47 TUC with ACIS-I. 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 076:1230 State at last pass was nominal (see note 1) AOS DSS-24 (Goldstone) 076:1305 953 Chandra status at AOS was nominal (note 2) LOS DSS-24 076:1405 End of shift 076:1630 NOTES/ISSUES/PROBLEMS --------------------- 1) State at last COMM: UTC 2000:076:04:14:01 (Thu Mar 16) f_ACE 1.84e+01 F_ACE 1.62e+06 R km 141980A OBT 2000:076:04:13:33 CTUVCDU 9139583 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 69567213.92 ONLVCDU 9139568 OBC Errs 0 OBSID 136 EPState SUN SIM TTpos 74423 HETG Angle 80.2 PCADMODE NMAN RA 27.508 Bus V 30.55 SIM FApos -467 LETG Angle 79.1 PCONTROL NPNT Dec -73.731 Bus I 30.26 AOFSTAR GUID Roll 211.827 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTNNNNN Dith Yang 5.45 Yaw Rate 66.83 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 3.86 Pitch Rate 88.91 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.71 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa 0.42 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta 15.22 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 50.89 SA Resolv 75.30 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 14.49 HRMA power 0.00 -Y SA Amps 15.66 EPHIN Geom LARG OBA power 156.80 +Y SA Temp 113.89 E1300 1 -Y SA Temp 114.51 P4GM 0 Roll Mom. -0.744 SCS 128 P41GM 0 Pitch Mom. -7.579 SCS 129 UpL Cmd Acc 40059 A-Leak 0.4680 Yaw Mom. -5.647 SCS 130 Cmd Rej A 255 B-Leak 0.0720 In maneuver to: RA, Dec, Roll (degrees): 15.80086, -71.99518, 200.65098 2) Chandra's state at 076:1320 was: WAS EXPECTED PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 6.045728 deg 6.04573 DEC = -72.055334 deg -72.05533 ROLL = 190.175497 deg 190.17552 Format = 2 2 OBSID = 953 953 SIM FA = -535 -536 SIM TSC = 92903 92904 HETGA = 80.21 deg (OUT) OUT HETGB = 81.96 deg (OUT) OUT LETGA = 80.58 deg (OUT) OUT LETGB = 79.08 deg (OUT) OUT EPHIN A-leak = 0.3960 B-leak = 0.0640 ACE Proton Flux = 19 (2 hr avg in 130-214 keV proton channel) Fluence (130-214KeV) = 1.4E+5 LT 3.6E+8 Radiation Level OK EPHIN Geom = LARG E1300 = 0 LT 1318.52 (RADMON P4GM = 0 LT 118.08 Triggers) P41GM = 0 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 = ON Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 3850 ACIS FP Temp = -119.9 Cold Radiator = -127.9 DEA Pwr = 45.6 DPA Pwr = 40.3 3) Notes from 9:00am meeting: Operations (Darrel Wicker): - 3 supports, 4 dumps last 24 hrs. All good. - Current pass dump looks good also, 2 more scheduled for today. Mission Planning (Dan Shropshire): - March 19 load review held yesterday. Kevin re-working based on review inputs. Expect next review late today. - Final OR list for March 26 load received and work in process (Ken). - Release 8.1a testing to begin today. Spacecraft Engineering: - All is OK. SOT (Bill Podgorski): - Radiation levels are low and have been so for last week. ASCDSOPS(Joy Nichols): - 2 quick looks available (see below) 4) Quick Look data review: OBSID Target Time Comment ----- ------ -------------- ------- 00356 CIRCINUS GALAXY 2000:074:07:44 ACIS-S, looks ok. 00420 E0102-72.3 2000:074:02:12 ACIS-I cal observation. Large roundish off-axis image in about the correct place. Larry David said that this is about what they expected for this observation.