Aug_25_2000_L400.txt Shift L400 Start at 2000:238:12:00:00 GMT = 2000 Aug 25 8:00am EDT End 2000 Aug 25 11:00am EDT SOT shift report 2000-08-25 L400 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Aug_25_2000_L400.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running AUG2000C on descending leg. HETG is in and following observations are planned: Seq # ObsID It Target start time SI Grat --------------------------------------------------------------------------------- 770400 01802 00 Q0836+7104 2000:238:07:59:46.601 14.0 ACIS-S HETG 800019 49896 00 ABELL 1835 2000:238:12:31:21.622 9.7 ACIS-S HETG ---- T_E45 00 CAL-ER 2000:238:15:57:59.207 7.7 -- -- ---- T_X46 00 CAL-ER 2000:239:04:47:02.815 10.0 -- -- Radiation levels are very low. HETG comes out Sunday at about 4pm local. We have COMM if anyone wants to watch in real-time. ORBITAL EVENTS: 2000:237:16:21:43.618 145 EAPOGEE ORBIT APOGEE 2000:239:00:06:56.556 145 EPERIGEE ORBIT PERIGEE 2000:240:07:50:48.313 146 EAPOGEE ORBIT APOGEE 2000:241:15:36:26.084 146 EPERIGEE ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 238:1200 LOS at start shift Status at last contact was nominal (see note 1) End of shift 238:1500 NOTES/ISSUES/PROBLEMS --------------------- 1) Data from Chandra snapshot: UTC 2000:238:10:00:02 (Aug25) f_ACE 1.82e+01 F_ACE 6.59e+06 Kp 1.0 R km 110824D OBT 2000:238:09:59:13 CTUVCDU 13510527 OBC s/w NRML FMT2_NORM CPEstat OBT 83584753.54 ONLVCDU 13510512 OBC Errs 0 OBSID 1802 EPState SUN SIM TTpos 74424 HETG Angle 6.3 PCADMODE NPNT RA 130.307 Bus V 31.02 SIM FApos -467 LETG Angle 78.3 PCONTROL NPNT Dec 70.872 Bus I 28.74 AOFSTAR GUID Roll 26.949 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang 5.29 Yaw Rate 0.18 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang -6.93 Pitch Rate 0.08 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.11 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.20 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta 27.57 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 51.05 SA Resolv 62.21 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 13.72 HRMA power 83.00 SCS 128 -Y SA Amps 14.68 EPHIN Geom LARG OBA power 94.40 SCS 129 +Y SA Temp 108.44 E150 1.2 SCS 130 -Y SA Temp 108.70 E300 0.2 Roll Mom. 9.182 E1300 0.1 Pitch Mom. 5.615 UpL Cmd Acc 54211 EPH A-Leak 0.4400 P4GM 0.0 Yaw Mom. 7.093 Cmd Rej A 165 EPH B-Leak 0.0800 P41GM 0.0 Expected RA, Dec, Roll (degrees): 130.30529, 70.86978, 26.95017 2) Notes from 9:00am meeting: Operations (Darrell): - 3 supports last 24 hrs, all 34m - Problems with DSS-24 dump last night, large data hit, had to restart dump. - This afternoon's pass (12:50pm local) was cancelled a couple of days ago due to requirements of another mission. We will be able to stay on SSR-A since the time between the last pass at 238:1000 and the next pass at 239:0300 is 17 hrs and the SSR holds 18+. Also, next pass is at low altitude (on DSS-24) so we should be able to dump entire recorder, barring problems. Mission Planning (Dan/Ken/Kevin/Sabrina): - AUG27 load review held, was approved - ACIS has requested squeegy tests in 2 of 3 windows identified earlier. - Discussions ongoing with CSC regarding offline 9.1 updates Spacecraft Engineering (Jeff): - Had star loss problems in last perigee pass. Went down to 2 stars near perigee. SOT (Bill Podgorski): - Radiation levels very low - WRadiation modeling telecon at 10:30 local today DSOPS(Joy): - Several quick looks (see below) GOT(Chris) - All is OK. 3) Quick Look data review(OK unless noted): Seq # ObsID It Target start time SI Grat Comments ---------------------------------------------------------------------------------------------------------- 400024 00657 00 4U 1700-37 2000:235:11:54:29.735 43.0 ACIS-S HETG 400038 00671 00 4U 1822-37 2000:236:16:37:34.079 40.0 ACIS-S HETG 400042 00675 00 X2127+119 2000:237:04:44:29.717 20.0 ACIS-S HETG