Nov_19_2004_L1947.txt Shift L1947 Start at 2004:324 12:00 GMT = 2004 Nov 19 7:00 am EDT End 2004 Nov 19 9:30 am EDT SOT shift report 2004-11-19 L1947 http://asc.harvard.edu/acis/SOT_reports/sot-shift.html or /proj/web-cxc/htdocs/acis/SOT_reports/Nov_19_2004_L1947.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: Running replan load NOV1304B on descending leg. Finish 'Extended CDF-S #3' (obsid 5019) then shutdown for radiation zone passage. Solar radiation levels are low, soft proton flux below 25. 3-day Solar-Geophysical Forecast issued Nov 18 at 22:00 UTC Solar Activity Forecast: Solar activity is expected to be at very low to low levels. Geophysical Activity Forecast: The geomagnetic field is expected to be at predominantly quiet to unsettled levels. Isolated active conditions may be seen at higher latitudes on 20 and 21 November due to coronal hole effects. Seq # ObsID It Target start time SI Grat RA dec roll Pitch ------------------------------------------------------------------------------------------------------------ NOV1304B: 900328 05019 1 Extended CDF-S #3 2004:322:14:59:52.663 165.2 ACIS-I NONE 52.9314 -27.9679 359.99 132.87 ---- T_E30 CAL-ER (59963) 2004:324:13:19:36.990 9.1 -- -- 52.9500 -27.9500 357.14 132.39 ---- GG_30 CAL-ER (59962) 2004:324:19:07:02.402 3.6 -- -- 53.0000 9.0000 347.67 169.09 ---- T_X31 CAL-ER (59961) 2004:325:01:10:38.767 18.2 -- -- 64.0000 27.0000 132.21 169.49 600381 04726 1 NGC 4485/4490 2004:325:06:51:13.387 40.0 ACIS-S NONE 187.6581 41.6493 46.43 75.98 ---- I4714 CAL-ER (59960) 2004:325:18:22:50.372 0.0 -- -- 124.0000 57.0000 97.61 118.79 600369 04714 1 SCULPTOR DWARF SPHER 2004:325:19:18:05.756 6.0 ACIS-S NONE 15.0142 -33.7110 317.27 113.35 900329 06164 1 Extended CDF-S #4 2004:325:21:25:01.756 70.0 ACIS-I NONE 53.2355 -27.9683 359.99 131.97 ORBITAL EVENTS: 2004:323:15:23:38.962 730 EAPOGEE ORBIT APOGEE 2004:324:15:49:55.551 730 EEF1000 ELECTRON 1 RADIATION ENTRY 0 2004:324:21:19:55.551 730 XEF1000 ELECTRON 1 RADIATION EXIT 0 2004:324:22:17:55.551 730 EEF1000 ELECTRON 1 RADIATION ENTRY 0 2004:324:23:07:07.789 730 EPERIGEE ORBIT PERIGEE 2004:325:04:09:55.551 731 XEF1000 ELECTRON 1 RADIATION EXIT 0 2004:326:06:51:37.261 731 EAPOGEE ORBIT APOGEE 2004:327:14:35:31.171 731 EPERIGEE ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 324:1200 Status at last COMM was as expected (see note 1) End of shift 324:1430 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at last COMM: UTC 2004:324:11:41:03 (Nov19) f_ACE 1.88e+01 F_CRM 3.78e+08 Kp 1.0 R km 86648D OBT 2004:324:11:38:02 CTUVCDU 15043071 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 217251482.99 ONLVCDU 15043056 OBC Errs 0 OBSID 5019 EPState SUN SIM TTpos 92903 HETG Angle 79.09 PCADMODE NPNT RA 52.931 Bus V 29.30 SIM FApos -535 LETG Angle 77.59 PCONTROL NPNT Dec -27.970 Bus I 32.54 AOFSTAR GUID Roll 359.990 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -0.89 Yaw Rate 0.14 HRC-S HV ON ACA CCD Temp -15.6 Dith Zang 7.98 Pitch Rate -0.09 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.14 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -3.14 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -42.73 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 52.49 SA Resolv 133.14 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 16.05 RadMon ENAB HRMA power 70.30 SCS 128 ACT -Y SA Amps 16.05 EPHIN Geom SMAL OBA power 94.40 SCS 129 ACT +Y SA Temp 117.32 E150 125.0 SCS 130 INAC -Y SA Temp 118.78 E300 1.2 Roll Mom. -0.814 SCS 107 INAC E1300 0.0 Pitch Mom. -1.616 UpL Cmd Acc 44049 EPH A-Leak 1.0200 P4GM 0.2 Yaw Mom. 6.118 Cmd Rej A 174 EPH B-Leak 1.0200 P41GM 0.0 EPH temp 92.71 Gyro 1 Curr 1 9.60 Roll Bias -0.7763 EPH 27I 11.10 M Unload MON Gyro 1 Curr 2 9.60 Pitch Bias -1.9747 TSC Move STOP Gyro 2 Curr 1 103.20 Yaw Bias -1.0729 CTX A PWR 36.43 FA Move STOP Gyro 2 Curr 2 98.40 CTX A Volts 3.52 OTG Move DISA Explanation Current Data: UTC 2004:324:12:19:01 (Nov19) f_ACE 1.64e+01 F_CRM 3.79e+08 Kp 0.7 R km 83994D Currently scheduled FPSI, OTG : ACIS-I NONE Estimated Kp : 0.67 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.64e+01 GOES-10 P2 flux, in RADMON P4GM units : 0.00 GOES-12 P2 flux, in RADMON P4GM units : 0.00 GOES-10 P5 flux, in RADMON P41GM units : 0.01 GOES-12 P5 flux, in RADMON P41GM units : 0.02 Orbit Start Time : 2004:322:07:44:00 Geocentric Distance (km), Orbit Leg : 83994 D CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 1.74082000000e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.74082000000e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.58722721072e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.78522756720e+08 HRC IM PS = OFF SP PS = ON Stp 43/54 Shield 1 HV = OFF Shield 2 HV = ON Stp 5 Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 3700 ACIS FP Temp = -119.5 DEA Pwr = 47.9 DPA Pwr = 41.9 Science State = Science Active 2) Notes from 9:00am meeting: Operations (Darrell): - 3 supports last 24 hrs, (2) 34m, (1) 26m - No new LS uplinked, still active to 2004:326:16:51:41.000 - Current in SSR dumps Mission Planning (Ken) - NOV22A products reviewed, issues found (see below), - New products out this AM for load review later today. S/C Engineering(Dan): - Thermal briefing 1-3pm today - Issue with this week's load regarding temperatures. * Not supposed to go > 150 degree pitch due to PLINE getting too cold * For a momentum dump we require that the thruster temps be below 115F * These two conditions are becoming impossible to meet simultaneously as the thermal state of Chandra changes. * Many solutions exist, will discuss at today's thermal briefing. SOT(Bill): - See above notes on radiation. DSOPS(Jen): - One partial QL. See below GOT(Adam): - All OK IST(Chris/Ron): - All OK Meetings/events: - 9:15am, IST Tag-up - 1:00pm, Thermal community briefing - TBD, Load review (3pm likely) 3) Quick look data: Seq # ObsID It Target start time SI Grat Comment ------------------------------------------------------------------------------------------- NOV1304B: 900328 05019 1 Extended CDF-S #3 2004:322:14:59:52.663 165.2 ACIS-I NONE (Partial)