Apr_26_2000_L278.txt Shift L278 Start at 2000:117:11:30:00 GMT = 2000 Apr 26 7:30am EDT End 2000 Apr 26 11:45am EDT See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Apr_26_2000_L278.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running APR2300B. In radiation zone, at shift start, just past perigee passage which was at 0830 UT today (117). Perform CTI measurement obsid 62072 at 117:1329 UT till 1613. Then resume normal observations (after pass) with target V404 CYG (obsid 00097) using ACIS-S(no grating). ORBITAL EVENTS: 2000:116:00:45:45.742 99 EAPOGEE ORBIT APOGEE 2000:117:08:30:00.169 99 EPERIGEE ORBIT PERIGEE 2000:118:16:13:14.321 100 EAPOGEE ORBIT APOGEE 2000:119:23:57:20.931 100 EPERIGEE ORBIT PERIGEE 2000:121:07:40:31.999 101 EAPOGEE ORBIT APOGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift LOS 117:1130 Status at last contact 117:0914 was nominal (note 1) AOS DSS-34 (Canberra) 117:1445 State at AOS was nominal (see note 2) 117:1500 62072 Acquire 4 stars/3 fids LOS DSS-34 117:1545 End of shift 117:1530 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at last contact: UTC 2000:117:09:15:02 (Wed Apr 26) f_ACE 2.01e+01 F_ACE 0.00e+00 R km 20761A OBT 2000:117:09:14:13 CTUVCDU 6256767 OBC s/w NRML FMT2_NORM CPEstat OBT 73127653.65 ONLVCDU 6256752 OBC Errs 0 OBSID 62073 EPState SUN SIM TTpos -99615 HETG Angle 80.2 PCADMODE NPNT RA 80.000 Bus V 30.71 SIM FApos -535 LETG Angle 79.1 PCONTROL NPNT Dec 60.001 Bus I 32.03 AOFSTAR GUID Roll 303.553 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTNNN Dith Yang -3.79 Yaw Rate -0.02 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang -3.18 Pitch Rate -0.04 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.08 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.01 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta 32.59 Batt 2 SOC 100.00% ACIS Stat7-0 66 Avg OBA Temp 51.05 SA Resolv 57.49 Batt 3 SOC 100.00% Cold Rad -118.3 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -79.6 OBA Trng Fault NFLT +Y SA Amps 15.26 HRMA power 136.70 -Y SA Amps 16.05 EPHIN Geom LARG OBA power 118.40 +Y SA Temp 111.43 E1300 9696 -Y SA Temp 111.74 P4GM 14304 Roll Mom. -6.591 SCS 128 P41GM 1 Pitch Mom. -7.507 SCS 129 UpL Cmd Acc 26146 A-Leak 0.3120 Yaw Mom. -0.927 SCS 130 Cmd Rej A 63 B-Leak 0.0520 Expected RA, Dec, Roll (degrees): 79.99999, 59.99999, 303.55397 2) Chandra state at 117:1230 (after completion of maneuver): WAS EXPECTED PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 0 0 RA = 349.999999 deg 350.00000 DEC = 75.000000 deg 74.99999 ROLL = 48.026180 deg 48.02617 Format = 2 2 OBSID = 62072 62072 SIM FA = -535 -536 SIM TSC = -99615 -99616 HETGA = 80.21 deg (OUT) OUT HETGB = 81.96 deg (OUT) OUT LETGA = 79.83 deg (OUT) OUT LETGB = 79.08 deg (OUT) OUT EPHIN A-leak = 0.2960 B-leak = 0.0480 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 = 1 LT 1318.52 (RADMON P4GM = 0 LT 3542.40 Triggers) P41GM = 0 LT 100.00 HRC SP PS = OFF IM PS = OFF SP Top Step = - SP Bot Step = - Shield 1 HV = OFF Shield 2 HV = OFF Shield 2 Stp = - Valid Event Rate 1 = - Valid Event Rate 2 = - Shield Event Rates = - ACIS FP Temp = -119.9 Cold Radiator = -127.9 DEA Pwr = 51.4 DPA Pwr = 39.3 3) Notes from 9:00am meeting: Operations yesterday (Darrel Wicker): - 3 supports in last day, 3 dumps, all on 34m. No problems. - Uplinked one load segment, good thru day 121:0210 Mission Planning (Dan): - Second load review of APR30 load held yesterday. One small star catalog issue which has since been resolved. Clean now and products out (Rev D). - Discussion of AGASC1.4 testing. Testing with offline system is considered to be complete and successful. Recommendation is to promote for use. Spacecraft Engineering (Jeff): - Will run ASVT testing from 1 to 5 on scripts from 56003. Trying to run tomorrow as well. SOT (Bill Podgorski): - Radiation levels well below limits. - Discussed Eric Martin's Solar monitoring SOP. He would like review comments back from SOT so as to get this approved. Contacted Dan and Rob about this and they will get back to Eric with comments. ASCDSOPS(Joy Nichols): - One quick look today (see below) GOT (Chris): - Next release of ONLINE system due May 8, a slip from earlier date. 4) Quick Look data review: OBSID Target Time Instrument Comment ----- ------ -------------- --------------- --------------- 00546 MS 1621.5+2640 000:115:19:10 ACIS-I OK