Jul_12_2000_L355.txt Shift L355 Start at 2000:194:11:30:00 GMT = 2000 Jul 12 7:30am EDT End 2000 Jul 12 12:00pm EDT See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Jul_12_2000_L355.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running JUL0900C. Observing M33 with ACIS-I (obsid 1730). COMM pass at 194:1530 - 194:1630 on DSS-54 ORBITAL EVENTS: 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 194:1130 Status at last contact 194:0950 was nominal (see note 1) ACE radiation levels: 194:1400 2 hr flux avg: 476 2 hr FLUENCE: 3.4E+6 Kp (Costello) 3.00 AOS DSS-54 194:1530 1730 State at AOS was nominal (see note 2) End of shift 194:1600 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at last contact: UTC 2000:194:09:50:01 (Jul12) f_ACE 4.81e+02 F_ACE 5.44e+06 Kp 3.7 R km 85296A OBT 2000:194:09:49:04 CTUVCDU 15449855 OBC s/w NRML FMT2_NORM CPEstat OBT 79782544.52 ONLVCDU 15449840 OBC Errs 0 OBSID 1730 EPState SUN SIM TTpos 92903 HETG Angle 80.2 PCADMODE NPNT RA 23.485 Bus V 31.34 SIM FApos -535 LETG Angle 78.3 PCONTROL NPNT Dec 30.648 Bus I 25.71 AOFSTAR GUID Roll 108.358 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang 4.00 Yaw Rate 0.19 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang -3.09 Pitch Rate 0.10 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.10 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 11.88 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 50.97 SA Resolv 77.90 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 12.18 HRMA power 56.70 SCS 128 -Y SA Amps 13.33 EPHIN Geom LARG OBA power 111.00 SCS 129 +Y SA Temp 108.44 E150 904 SCS 130 -Y SA Temp 108.97 E300 127 Roll Mom. 10.816 E1300 4 Pitch Mom. -7.710 UpL Cmd Acc 48851 EPH A-Leak 0.4800 P4GM 15 Yaw Mom. 3.481 Cmd Rej A 94 EPH B-Leak 0.0760 P41GM 0 Expected RA, Dec, Roll (degrees): 23.48603, 30.64675, 108.35779 2) Chandra state at 194:1530 WAS EXPECTED PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 23.483326 deg 23.48603 DEC = 30.647705 deg 30.64675 ROLL = 108.359237 deg 108.35779 Format = 2 2 OBSID = 1730 1730 SIM FA = -535 -536 SIM TSC = 92903 92904 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 = 0.4800 B-leak = 0.0760 ACE Proton Flux = 414 (2 hr avg in 130-214 keV proton channel) Fluence (130-214KeV) = 3.0E+6 LT 3.6E+8 Radiation Level OK Kp Index (Costello) = 3.00 LT 6 is OK EPHIN Geom = LARG E1300 = 1 LT 1318.52 (RADMON P4GM = 8 LT 3542.40 Triggers) P41GM = 0 LT 100.00 HRC SP PS = OFF IM PS = ON SP Top Step = 42 SP 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 = 3300 ACIS FP Temp = -119.9 Cold Radiator = -127.9 DEA Pwr = 36.2 DPA Pwr = 39.7 Science State = Science Active 3) Notes from 9:00am meeting: Operations (Darrell): - 2 supports yesterday - 2 SSR dumps, all good Mission Planning (Dan): - Load review yesterday went well, final review today at 2:00pm Spacecraft Engineering (Jeff): - All OK. SOT (Bill Podgorski): - Proton level exceeded orbital fluence trigger of 1.0E+9 yesterday morning. Decided to take no action as we were going into the rad zone soon and there was no COMM pass between the time of exceedance and the next COMM. - Radiation levels low now but space weather predictions are for higher activity in the next several days. DSOPS(Jen): - Several quick looks (see below). GOT(Mike): - All is OK. 4) Quick Look data review(OK unless noted): OBSID Target Time Comment ----- ------ -------------- ------- 00607 WR 147/HRC-I 2000:192:12:08:37 00615 VB 8/ACIS-S 2000:192:13:56:59 00943 MBM 12/ACIS-S 2000:192:11:55:16 00933 1WGA J1340.1+2743/ACIS-S 2000:192:17:03:15