Aug_10_2000_L384.txt Shift L384 Start at 2000:223:11:30:00 GMT = 2000 Aug 10 7:30am EDT End 2000 Aug 10 2:00pm EDT SOT shift report 2000-08-10 L384 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Aug_10_2000_L384.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running AUG0600C on asscending leg with LETG inserted. Just out of radiation zone. Finish ACIS CTI (obsid 61969) at 223:1100 then start a series of CAL observations of PKS2155-304. First is with ACIS-S/LETG (obsid 1799) starting at 223:1108. Costello Kp violation reported at about 1000 UT. ACE rates rising and small full-halo CME reported yesterday. Watch radiation. ORBITAL EVENTS: 2000:223:03:17:09.696 139 EPERIGEE ORBIT PERIGEE 2000:223:08:14:44.614 140 XE1RADZ0 ELECTRON1 RADIATION EXIT0 2000:224:11:01:02.379 140 EAPOGEE ORBIT APOGEE 2000:225:12:51:25.065 140 EE1RADZ0 ELECTRON1 RADIATION ENTRY0 2000:225:18:46:00.717 140 EPERIGEE ORBIT PERIGEE 2000:225:18:47:25.065 140 EP1RADZ0 PROTON1 RADIATION ENTRY0 2000:225:19:43:25.065 140 XP1RADZ0 PROTON1 RADIATION EXIT0 2000:225:22:19:25.065 141 XE1RADZ0 ELECTRON1 RADIATION EXIT0 2000:227:02:29:10.755 141 EAPOGEE ORBIT APOGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 223:1130 LOS at start shift Status at last contact was nominal (see note 1) 61969 AOS DSS-66 (Madrid) 223:1700 1799 Status at AOS was nominal (see note 4) End of shift 223:1800 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at 223:0859: UTC 2000:223:08:59:01 (Aug10) f_ACE 7.96e+02 F_ACE 0.00e+00 Kp 5.0 R km 64683A OBT 2000:223:08:58:38 CTUVCDU 8438783 OBC s/w NRML FMT2_NORM CPEstat OBT 82285118.94 ONLVCDU 8438768 OBC Errs 0 OBSID 61969 EPState SUN SIM TTpos -99616 HETG Angle 80.2 PCADMODE NPNT RA 176.850 Bus V 31.18 SIM FApos -990 LETG Angle 4.5 PCONTROL NPNT Dec -44.355 Bus I 24.94 AOFSTAR GUID Roll 218.006 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTNNN Dith Yang -11.18 Yaw Rate -0.14 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 15.08 Pitch Rate 0.00 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.12 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.31 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta 21.37 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 51.13 SA Resolv 68.44 Batt 3 SOC 100.00% Cold Rad -125.5 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -82.0 OBA Trng Fault NFLT +Y SA Amps 11.79 HRMA power 0.00 SCS 128 -Y SA Amps 12.76 EPHIN Geom LARG OBA power 37.50 SCS 129 +Y SA Temp 108.17 E150 49.8 SCS 130 -Y SA Temp 108.44 E300 1.1 Roll Mom. -1.459 E1300 0.0 Pitch Mom. 4.356 UpL Cmd Acc 33939 EPH A-Leak 0.5160 P4GM 0.0 Yaw Mom. 2.486 Cmd Rej A 47 EPH B-Leak 0.0920 P41GM 0.0 Expected RA, Dec, Roll (degrees): 176.84998, -44.36000, 218.00607 Radiation levels at 223:1215: ACE Proton Flux = 1540 (2 hr avg in 130-214 keV proton channel) Fluence (130-214KeV) = 1.1E+7 LT 3.6E+8 Radiation Level OK Kp Index (Costello) = 4.33 LT 6 is OK Expected 2) Notes from 9:00am meeting: Operations (Darrell): - 3 supports last 24 hrs, 2 34m, 1 26m, 3 SSR dumps, all OK - 1 load segment uplinked, good thru 226:1625 Mission Planning (Dan/Ken/Kevin): - First review of AUG 13 load held yesterday, minor issues surfaced, new products out for load review today. - JPL found "lost" ranging data mentioned yesterday, we have it now. Spacecraft Engineering (Jeff/Wallace): - Discussion of OTG telecon (see below) - Short discussion of effect of radiation levels on off-point demo. Will send out materials for review meeting to be held tomorrow after the 9:00am. Full discussion of the issue will be held tomorrow SOT (Bill Podgorski): - A Kp violation occurred at 1000 UT. Radiation levels spiked up a bit starting last night, but still fairly low relative to recent solar storm levels. Faint full-halo CME reported by SOHO (222:1630 UT). Effect should be seen in 3 days. - Went over highlights of OTG telecon along with Jeff. Major item was proposal to move LETG back into bumper to determine offset between LS trip and bumper hit. Will be a walk-on item at today's FDB. DSOPS(Jen): - One quick look (see below) GOT(Ken) - All is OK. - Did database backup last night. 3) Quick Look data review(OK unless noted): Seq # ObsID It Target start time SI Grat Comments ---------------------------------------------------------------------------------------------------------- 390014 01796 00 PKS2155-304 2000:221:01:21:59.348 20.0 ACIS-S LETG Can see grating line 4) Status at 223:1710: PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 329.475724 deg 329.47447 DEC = -30.365790 deg -30.36822 ROLL = 30.694885 deg 30.69407 Format = 2 2 OBSID = 1799 1799 SIM FA = -467 -468 SIM TSC = 72439 72440 HETGA = 80.21 deg (OUT) OUT HETGB = 80.58 deg (OUT) OUT LETGA = 7.46 deg (IN) IN LETGB = 4.46 deg (IN) IN EPHIN A-leak = 0.3480 B-leak = 0.0640 Altitude = 110668A (km) ACE Proton Flux = 1755 (2 hr avg in 130-214 keV proton channel) Fluence (130-214KeV) = 1.2E+7 LT 3.6E+8 Radiation Level OK Kp Index (Costello) = 4.67 LT 6 is OK EPHIN Geom = LARG E150 = 4.6 E300 = 0.1 E1300 = 0.0 LT 10.00 (RADMON P4GM = 0.0 LT 300.00 Triggers) P41GM = 0.0 LT 8.47 HRC SP PS = ON IM PS = OFF SP Top Step = 43 Sp Bot Step = 154 Shield 1 HV = OFF Shield 2 HV = OFF TE Rate 1 = 0 TE Rate 2 = 0 Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 0 ACIS FP Temp = -119.7 Cold Radiator = -127.9 DEA Pwr = 51.4 DPA Pwr = 39.9 Science State = Science Active