Feb_23_2000_L215.txt Shift L215 Start at 2000:054:12:00:00 GMT = 2000 Feb 23 7:00am EST End 2000 Feb 23 11:00am EST See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Feb_23_2000_L215.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running load FEB20D, doing observation 957, Hubble Deep Field, using ACIS-I. ORBITAL EVENTS: 2000:051:05:59:57.865 74 EPERIGEE ORBIT PERIGEE 2000:052:13:42:50.521 75 EAPOGEE ORBIT APOGEE 2000:053:21:27:19.841 75 EPERIGEE ORBIT PERIGEE 2000:055:05:10:25.703 76 EAPOGEE ORBIT APOGEE 2000:056:12:54:02.057 76 EPERIGEE ORBIT PERIGEE 2000:057:20:37:50.176 77 EAPOGEE ORBIT APOGEE 2000:059:04:21:33.402 77 EPERIGEE ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift AOS 054:1200 957 State at last pass was nominal (see note 1) ACE 2 hr fluence 2.6E+6 (ACE Flux about 360) Chandra status at shift start was nominal (note 2) 054:1210 Loss of telemetry due to DSS-16 automation test 054:1225 LOS DSS-24 054:1240 End of shift 054:1600 NOTES/ISSUES/PROBLEMS --------------------- 1) State at last COMM: UTC 2000:054:01:31:01 (Wed Feb 23) f_ACE 2.56e+02 F_ACE 0.00e+00 R km 52072A OBT 2000:054:01:29:40 CTUVCDU 1683455 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 67656580.76 ONLVCDU 1683440 OBC Errs 0 OBSID 62159 EPState SUN SIM TTpos -99616 HETG Angle 80.6 PCADMODE NPNT RA 120.004 Bus V 30.24 SIM FApos -467 LETG Angle 79.1 PCONTROL NPNT Dec 55.001 Bus I 32.54 AOFSTAR GUID Roll 225.521 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTNNN Dith Yang -7.99 Yaw Rate -0.12 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang -7.90 Pitch Rate 0.01 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.17 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa 0.12 Batt 1 SOC 100.00% Avg HRMA Temp 70.63 FSS Beta -37.38 Batt 2 SOC 100.00% ACIS Stat7-0 66 Avg OBA Temp 50.97 SA Resolv 127.66 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 36.40 -Y SA Amps 16.84 EPHIN Geom LARG OBA power 65.20 +Y SA Temp 116.58 E1300 0 -Y SA Temp 116.58 P4GM 329 Roll Mom. 3.246 SCS 128 P41GM 0 Pitch Mom. -10.506 SCS 129 UpL Cmd Acc 8116 A-Leak 0.4280 Yaw Mom. -6.182 SCS 130 Cmd Rej A 4 B-Leak 0.0680 Expected RA, Dec, Roll (degrees): 119.99999, 54.99999, 225.52405 2) Chandra's state at 054:1210 was: WAS EXPECTED PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 189.209148 deg 189.20917 DEC = 62.237065 deg 62.23706 ROLL = 133.997064 deg 133.99705 Format = 2 2 OBSID = 957 957 SIM FA = -535 -536 SIM TSC = 90568 90568 HETGA = 80.57 deg (OUT) OUT HETGB = 81.33 deg (OUT) OUT LETGA = 80.21 deg (OUT) OUT LETGB = 79.08 deg (OUT) OUT EPHIN A-leak = 0.4040 B-leak = 0.0640 ACE 2 HR Proton Fluence (130-214KeV) = 2.6E+6 LT 3.6E+8 Radiation Level OK EPHIN Geom = LARG E1300 = 0 LT 1318.52 (RADMON P4GM = 1 LT 118.08 Triggers) P41GM = 0 LT 100.00 HRC SP PS = OFF IM PS = ON IM Top Step = 42 IM Bot Step = 53 Shield 1 HV = OFF Shield 2 HV = ON step 8 Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 3800/4100 ACIS FP Temp = -119.7 DEA Pwr = 43.6 DPA Pwr = 41.0 3) Notes from 9:00am meeting: Operations (Leon McKendrick): - 3 supports, 3 dumps yesterday, all OK. - Onboard loads good thru day 58 Mission Planning (Dan Shropshire): - Comments from yesterday's review of the FEB27 load have been incorporated and products are out. Review to be done tomorrow (ken on leave today). - Review meeting for OFLS release 8 had no showstoppers, should get to floor next week SOT (Bill Podgorski): - Radiation levels good. - Average flux in ACE proton channel last 2 hrs = 232 - 2 hour fluence = 1.7E+6 (at 9:30am) << 3.6E+8 trigger - Orbital fluence for 45 hrs ACIS exposure at this level would be 9.7E+7 << 1.0E+9 Spacecraft Engineering (Wallace Jackson): - Thrusday 10:00am meeting on eclipses. ASCDSOPS(Joy Nichols): - 4 pre-safe mode quick looks available (see below) 4) Quick Look data review: OBSID Target Time Comment ----- ------ -------------- ------- 00146 G21.5-0.9 2000:047:23:08 CENTER MCP (CAL)HRC-S, Looks OK 00150 G21.5-0.9 2000:047:20:08 +Y MCP(CAL) HRC-S, Looks OK 00154 G21.5-0.9 2000:047:17:08 -Y MPC(CAL) HRC-S, Looks OK 00405 NGC 4569 2000:048:02:08 ACIS-S, Looks OK