Nov_14_2000_M481.txt Shift M481 Start at 2000:319:21:00:00 GMT = 2000 Nov 14 4:00pm EST End 2000 Nov 14 6:00pm EST SOT shift report 2000-11-14 M481 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Nov_14_2000_M481.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running NOV1300D load. Seq # ObsID Target start SI Grat RA dec roll ------------------------------------------------------------------------------------------- 700311 02121 MCG-5-23-16 2000:319:00:49:09.438 ACIS-S HETG 146.9305 -30.9756 80.01 300013 00644 RX J0925.7-4758 2000:319:22:28:49.438 ACIS-S HETG 141.4577 -47.9989 78.12 ORBITAL EVENTS: 2000:319:15:41:52.889 176 ORBIT APOGEE 2000:320:23:26:17.032 176 ORBIT PERIGEE 2000:322:07:10:25.222 177 ORBIT APOGEE 2000:323:14:55:25.102 177 ORBIT PERIGEE 2000:324:22:38:47.892 178 ORBIT APOGEE 2000:326:06:22:59.474 178 ORBIT PERIGEE 2000:327:14:06:27.088 179 ORBIT APOGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 319:2100 AOS DSS-24 (Goldstone 34m) 319:2155 2121 LOS DSS-24 (Goldstone 34m) 319:2255 End of shift 319:2300 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot at 319:2230: UTC 2000:319:22:32:01 (Nov14) f_ACE 9.41e+01 F_ACE 2.94e+06 Kp 1.3 R km 137893D OBT 2000:319:22:31:31 CTUVCDU 7443071 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 90628291.49 ONLVCDU 7443056 OBC Errs 0 OBSID 644 EPState SUN SIM TTpos 74424 HETG Angle 6.34 PCADMODE NPNT RA 141.460 Bus V 30.24 SIM FApos -467 LETG Angle 78.34 PCONTROL NPNT Dec -48.001 Bus I 29.75 AOFSTAR GUID Roll 78.124 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang -7.15 Yaw Rate -0.36 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang 6.72 Pitch Rate -0.15 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.10 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.33 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta 14.04 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 51.21 SA Resolv 75.77 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 14.30 RADMON ENAB HRMA power 67.90 SCS 128 ACT -Y SA Amps 15.26 EPHIN Geom LARG OBA power 72.20 SCS 129 ACT +Y SA Temp 114.81 E150 659.5 SCS 130 ACT -Y SA Temp 115.12 E300 18.8 Roll Mom. -4.556 E1300 0.3 Pitch Mom. -4.854 UpL Cmd Acc 51936 EPH A-Leak 1.0200 P4GM 1.2 Yaw Mom. -2.943 Cmd Rej A 22 EPH B-Leak 0.2080 P41GM 0.2 Current Data: UTC 2000:319:22:32:01 (Nov14) f_ACE 9.41e+01 F_ACE 2.94e+06 Kp 1.3 R km 137893D Currently scheduled FPSI, OTG : ACIS-S HETG Costello Kp : 1.33 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 9.41e+01 Orbit Start Time : 2000:318:07:59:01 Geocentric Distance (km), Orbit Leg : 137960 D CRM Region : 1 (Solar_Wind) External Proton Flux (p/cm^2-s-sr-MeV) : 9.41000000000e+01 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.88200000000e+01 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 6.01910902973e+07 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 6.50667358423e+06 2) Status at 319:2230: Observed Expected -------- -------- PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 141.4577 deg 141.4577 DEC = -47.9989 deg -47.9989 ROLL = 78.12 deg 78.12 Format = 2 2 OBSID = 644 644 SIM FA = -467 -468 SIM TSC = 74424 74424 HETGA = 6.34 deg (IN) IN HETGB = 6.34 deg (IN) IN LETGA = 79.09 deg (OUT) OUT LETGB = 78.34 deg (OUT) OUT HRC IM PS = ON, 42, 53 SP PS = OFF, 0, 0 Shield 1 HV = OFF, 0 Shield 2 HV = OFF, 0 Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 0 ACIS FP Temp = -119.7 DEA Pwr = 50.9 DPA Pwr = 41.3 Science State = Science Active 3) Radiation --------- ACE 2 hr fluence is 6.7e5 vs. threshold 3.6e8. CRM-based orbital fluence is 6.5e6 vs. threshold 1.0e9. Chandra is in the solar wind. The ACE proton rates are moderately low. 4) Quick Look data review (OK unless noted): Seq # ObsID Target SI Grat Comments -------------------------------------------------------- 600211 2077 NGC 1549 ACIS-S NONE ok. 300053 2336 Z Andromedae ACIS-S HETG faint. 800147 2208 Hydra A ACIS-S HETG ok. 200015 17 AU Mic ACIS-S HETG ok. 5) Missing Fid Light ----------------- ACIS Fid light 5 was not being correctly tracked by the ACA in obsid 2121. The ACA image function was "tracking, but image lost" for that image slot. The FLCA output drive current was correct. The ACA correctly re-acquired all 3 ACIS fid lights after the maneuver from obsid 2121 to obsid 644. Fid lights are rarely but occasionally lost by the ACA. We will run CAP 447 to downlink the ACA software patch table, to verify that the ACA fid light tracking software patch is still operating.