May_21_2001_L669.txt Shift L669 Start at 2001:141:11:40:00 GMT = 2001 May 21 7:40am EDT End 2001 May 21 11:00am EDT SOT shift report 2001-05-21 L669 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/May_21_2001_L669.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running last observation in MAY1401D on descending leg, 'GALACTIC PLANE 1' (obsid 2298) with ACIS-I. Then start MAY2101C with ACIS-S observation of 'Q1422+231', obsid 1631. Current ACE solar proton flux levels are low (under 100). Seq # ObsID It Target start time SI Grat RA dec roll slew ---------------------------------------------------------------------------------------------------------- MAY1401D: 900125 02298 00 GALACTIC PLANE 1 2001:140:09:03:27.019 100.0 ACIS-I NONE 280.9061 -3.9236 114.40 23.85 MAY2101C: 700247 01631 00 Q1422+231 2001:141:13:28:28.308 11.0 ACIS-S NONE 216.1644 22.9542 208.38 102.62 ---- I1601 CAL-ER 2001:141:16:49:54.769 0.0 -- -- 220.0000 7.5000 215.34 0.01 700217 01601 00 CENTAURUS A 2001:141:17:28:30.972 52.0 ACIS-S HETG 201.3283 -43.0065 300.97 103.22 ORBITAL EVENTS: EVENTS DONE OBSID -------------- ---- ----- Start Shift 141:1140 In COMM with DSS-16 (Goldstone 26m) 141:1140 2298 (status at start shift was nominal, see note 1) LOS DSS-16 141:1220 End of shift 141:1500 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at start shift: UTC 2001:141:11:56:07 (May21) f_ACE 6.33e+01 F_CRM 1.77e+08 Kp 2.0 R km 140042D OBT 2001:141:11:55:34 CTUVCDU 3573389 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 106833334.56 ONLVCDU 3573368 OBC Errs 0 OBSID 2298 EPState SUN SIM TTpos 92903 HETG Angle 79.84 PCADMODE NPNT RA 280.907 Bus V 30.71 SIM FApos -535 LETG Angle 77.96 PCONTROL NPNT Dec -3.921 Bus I 29.00 AOFSTAR GUID Roll 114.401 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 6.47 Yaw Rate -0.03 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 6.36 Pitch Rate -0.06 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.30 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa 0.35 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -45.78 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 50.81 SA Resolv 134.77 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 13.53 RadMon ENAB HRMA power 0.00 SCS 128 ACT -Y SA Amps 14.30 EPHIN Geom LARG OBA power 132.60 SCS 129 ACT +Y SA Temp 110.20 E150 27.7 SCS 130 ACT -Y SA Temp 111.12 E300 0.9 Roll Mom. 1.298 SCS 107 INAC E1300 0.1 Pitch Mom. -0.631 UpL Cmd Acc 65185 EPH A-Leak 0.5760 P4GM 2.2 Yaw Mom. 4.870 Cmd Rej A 31 EPH B-Leak 0.1080 P41GM 0.1 Current Data: UTC 2001:141:11:56:07 (May21) f_ACE 6.33e+01 F_CRM 1.77e+08 Kp 2.0 R km 140042D Currently scheduled FPSI, OTG : ACIS-I NONE Costello Kp : 2.33 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 6.33e+01 Orbit Start Time : 2001:140:02:14:00 Geocentric Distance (km), Orbit Leg : 140055 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 2.72135000000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 2.72135000000e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 5.90139855300e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.77377315400e+08 HRC SP PS = ON Steps 43/54 IM PS = OFF Shield 1 HV = OFF Shield 2 HV = OFF Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 0 ACIS FP Temp = -119.7 DEA Pwr = 52.4 DPA Pwr = 42.2 Science State = Science Active 2) Notes from 9:00am meeting: Operations (Darell): - 9 supports over weekend, 7 34m, 2 26m - Dumps current - 2 load segments uplinked, good thru 144:0555 Mission Planning (Dan/Paul): - 9.1B testing completed and looks good, products will be distributed to SOT MP - MAY28 products out for initial E-mail review today, formal load review telecon expected tomorrow S/C Engineering(Jeff/Eric): - Kalman filter lost use of stars for 2 mins on day 126, during perigee passage Was due to high background in the camera, all slots. ACA continued to track. Event will be classified as an anomaly and additional work will be done to understand the causes of the event. SOT(Bill): - Current radiation levels low (ACE P3 flux < 100) - SOT GRETA station still broken DSOPS(Joy) - Two quick looks (see below) GOT(Chris): - Offline 9.1A captured for promotion. - 3rd string assigned to 9.1B testing - Meeting after 9am to go over the GRETA data issue at TRW/West on May 1 during the OTG SW checkout Meetings/events: - 9:30am, TRW West GRETA data issue - 10am, Mission planning internal - 12pm, ASVT maneuver internal - 1pm, S/E staff - 2pm, IRU calibration met at 60 Garden St. - 4pm, ACIS telecon 3) Quick look data: Seq # ObsID It Target start time SI Grat Comment ---------------------------------------------------------------------------------------------------------- 900057 01698 00 ISO NW #1 2001:137:18:46:59.003 73.7 ACIS-I NONE 900081 02254 00 3C295 2001:138:15:43:54.003 92.2 ACIS-I NONE