Jul_11_2000_L354.txt Shift L354 Start at 2000:193:11:00:00 GMT = 2000 Jul 11 7:00am EDT End 2000 Jul 11 11:a0pm EDT See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Jul_11_2000_L354.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running JUL0900C. Observing SN 1006-NE with ACIS-S (obsid 732). COMM pass at 193:1200 - 193:1300 on DSS-24 Orbital fluence is high. ORBITAL EVENTS: 2000:191:09:37:38.070 127 EPERIGEE ORBIT PERIGEE 2000:192:17:21:27.382 128 EAPOGEE ORBIT APOGEE 2000:194:01:05:07.198 128 EPERIGEE ORBIT PERIGEE 2000:195:08:49:25.365 129 EAPOGEE ORBIT APOGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift LOS 193:1100 Status at last contact 193:0400 was nominal (see note 1) ACE radiation levels: 193:1138 2 hr flux avg: 4143 2 hr FLUENCE: 2.9E+7 Kp (Costello) 4.67 Note - rates are spiking some now AOS DSS-24 193:1200 732 State at AOS was nominal (see note 2) ACA workstation (coot) hung up was fixed after pass by tightening SCSI cabling LOS DSS-24 193:1300 Radiation alert received for orbital fluence > 1E+9 Decided to take no action as we enter rad zone at 193:1623, before next COMM at 193:2145. R. Cameron and P. Plucinsky concurred with decision. End of shift 193:1500 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at last contact: UTC 2000:193:04:00:01 (Jul11) f_ACE 1.60e+03 F_ACE 8.99e+08 Kp 4.0 R km 132506D OBT 2000:193:03:59:17 CTUVCDU 15030783 OBC s/w NRML FMT2_NORM CPEstat OBT 79675157.47 ONLVCDU 15030768 OBC Errs 0 OBSID 732 EPState SUN SIM TTpos 75623 HETG Angle 80.2 PCADMODE NPNT RA 225.938 Bus V 31.18 SIM FApos -467 LETG Angle 78.3 PCONTROL NPNT Dec -41.832 Bus I 26.46 AOFSTAR GUID Roll 279.981 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang -7.78 Yaw Rate -0.03 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang 7.45 Pitch Rate -0.04 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.10 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -11.46 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta -33.77 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 50.81 SA Resolv 123.91 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 12.95 HRMA power 29.90 SCS 128 -Y SA Amps 13.33 EPHIN Geom LARG OBA power 115.80 SCS 129 +Y SA Temp 107.64 E150 510 SCS 130 -Y SA Temp 108.97 E300 90 Roll Mom. -4.144 E1300 2 Pitch Mom. 3.433 UpL Cmd Acc 46333 EPH A-Leak 0.5040 P4GM 5 Yaw Mom. 1.162 Cmd Rej A 47 EPH B-Leak 0.0800 P41GM 1 Expected RA, Dec, Roll (degrees): 225.94147, -41.83367, 279.98319 2) Chandra state at 193:1200 WAS EXPECTED PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 225.939623 deg 225.94147 DEC = -41.832109 deg -41.83367 ROLL = 279.981749 deg 279.98319 Format = 2 2 OBSID = 732 732 SIM FA = -467 -468 SIM TSC = 75623 75624 HETGA = 80.21 deg (OUT) OUT HETGB = 80.58 deg (OUT) OUT LETGA = 79.46 deg (OUT) OUT LETGB = 78.33 deg (OUT) OUT EPHIN A-leak = 0.5560 B-leak = 0.0880 ACE Proton Flux = 6192 (2 hr avg in 130-214 keV proton channel) Fluence (130-214KeV) = 4.4E+7 LT 3.6E+8 Radiation Level OK Kp Index (Costello) = 4.00 LT 6 is OK EPHIN Geom = LARG E1300 = 2 LT 1318.52 (RADMON P4GM = 10 LT 3542.40 Triggers) P41GM = 0 LT 100.00 HRC SP PS = OFF IM PS = ON SP Top Step = 77 SP Bot Step = 89 Shield 1 HV = OFF Shield 2 HV = ON step 8 Valid Event Rate 1 = 37 Valid Event Rate 2 = 54 Shield Event Rates = 3300 ACIS FP Temp = -119.7 Cold Radiator = -127.9 DEA Pwr = 57.4 DPA Pwr = 42.9 Science State = Science Active 4) Notes from 9:00am meeting: Operations (Darrell): - 3 supports yesterday - 4 SSR dumps, 3 good 1 bad, all data captured OK - One load segment uplinked, good thru 197:0815 - Will be a VCDU rollover on day 198 Mission Planning (Dan): - Load review today, new OTG commanding needs careful look - OTG commanding to be reviewed tomorrow in OTG telecon Spacecraft Engineering (Jeff): - Wallace will brief the eclipse season patches at Thursday's FDB. SOT (Bill Podgorski): - Radiation levels spiked a bit but are OK now. Orbital fluence is high and orbital fleence monitow will probably trigger. DSOPS(Jen): - One quick look (see below). GOT(Mike): - All is OK. 4) Quick Look data review(OK unless noted): OBSID Target Time Comment ----- ------ -------------- ------- 00789 HCG 92/ACIS-S 2000:191:17:29:32