Feb_24_2000_L216.txt Shift L216 Start at 2000:055:12:00:00 GMT = 2000 Feb 24 7:00am EST End 2000 Feb 24 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_24_2000_L216.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running load FEB20E, doing observation 1523, Galactic Plane, 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 055:1200 1523 State at last pass was nominal (see note 1) Chandra status at shift start was nominal (note 2) 055:1220 LOS DSS-24 055:1400 End of shift 055:1600 NOTES/ISSUES/PROBLEMS --------------------- 1) State at last COMM: UTC 2000:055:04:01:01 (Thu Feb 24) f_ACE 2.44e+02 F_ACE 2.05e+07 R km 144178A OBT 2000:055:03:59:56 CTUVCDU 2055807 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 67751996.27 ONLVCDU 2055792 OBC Errs 0 OBSID 836 EPState SUN SIM TTpos 75624 HETG Angle 80.6 PCADMODE NPNT RA 206.904 Bus V 30.24 SIM FApos -467 LETG Angle 79.1 PCONTROL NPNT Dec 12.277 Bus I 30.01 AOFSTAR GUID Roll 87.539 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang 6.32 Yaw Rate -0.04 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang -2.64 Pitch Rate -0.30 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.06 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.29 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -41.05 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 50.89 SA Resolv 130.88 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 14.30 HRMA power 59.80 -Y SA Amps 15.46 EPHIN Geom LARG OBA power 110.60 +Y SA Temp 117.32 E1300 0 -Y SA Temp 118.05 P4GM 1 Roll Mom. 9.750 SCS 128 P41GM 0 Pitch Mom. 5.836 SCS 129 UpL Cmd Acc 9496 A-Leak 0.3480 Yaw Mom. -11.251 SCS 130 Cmd Rej A 47 B-Leak 0.0560 Expected RA, Dec, Roll (degrees): 206.90460, 12.27556, 87.53854 2) Chandra's state at 055:1220 was: WAS EXPECTED PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 281.002513 deg 281.00252 DEC = -4.101527 deg -4.10153 ROLL = 81.085580 deg 81.08557 Format = 2 2 OBSID = 1523 1523 SIM FA = -535 -536 SIM TSC = 92903 92904 HETGA = 80.58 deg (OUT) OUT HETGB = 81.33 deg (OUT) OUT LETGA = 80.21 deg (OUT) OUT LETGB = 79.08 deg (OUT) OUT EPHIN A-leak = 0.2640 B-leak = 0.0440 ACE Proton Flux = 2200 (2 hr avg in 130-214 keV proton channel) Fluence (130-214KeV) = 1.6E+7 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 = 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 = 4000/4200 ACIS FP Temp = -119.9 DEA Pwr = 48.3 DPA Pwr = 40.9 3) Notes from 9:00am meeting: Operations (Darrel Wicker): - 2 supports, 3 dumps yesterday, all OK. - Onboard loads good thru day 58 - Ran CAP 576, install patches to eclipse K constants - Ran CAP 563A again, dump CPE warm start counter Mission Planning (Dan Shropshire): - Review of FEB27 load at 11:00am - MAR05 load in work, Kevin making good progress Spacecraft Engineering: - Thrusday 10:00am meeting on eclipses(Wallace Jackson) - ACE proton levels rising again (Eric Martin) - Day 48/49 GRETA merge files being reworked(Rino Giordano) Initial files were scrambeled due to VCDU resets. SOT (Bill Podgorski): - Roger summarized ACIS telecon impacts on FOT, which relate primarily to the reduction of the 13ksec pads around the rad zone to 10ksec. ASCDSOPS(Joy Nichols): - Now processing post-safe mode data - 3 quick looks available (see below) 4) Quick Look data review: OBSID Target Time Comment ----- ------ -------------- ------- 00364 PSR B0833-45(TOO) 2000:052:01:45 HRC-I, Looks OK. 00344 NGC 1068 2000:052:15:31 ACIS-S, Looks OK. 00370 NGC 1068 2000:053:05:48 ACIS-S, Looks OK.