Oct_22_2000_M458.txt Shift M458 Start at 2000:296:22:00:00 GMT = 2000 Oct 22 6:00pm EDT End 2000 Oct 22 7:30pm EDT SOT shift report 2000-10-22 M458 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Oct_22_2000_M458.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Mike McGuirk, Andy Northrup Plan: - Running OCT2300C load. Insert LETG using CAP 665 Rev A. Seq # ObsID Target start SI Grat RA dec roll ------------------------------------------------------------------------------------------- ---- 61875 CAL-ER 2000:296:20:04:15.799 -- -- 162.7000 52.1800 45.95 ---- 61874 CAL-ER 2000:297:09:03:22.795 -- -- 162.7000 52.1800 46.36 700207 01591 NGC 3227 2000:297:12:12:49.690 HRC-S LETG 155.8805 19.8403 57.50 ORBITAL EVENTS: 2000:295:20:33:18.369 167 ORBIT APOGEE 2000:297:04:18:04.314 167 ORBIT PERIGEE 2000:298:12:01:08.884 168 ORBIT APOGEE 2000:299:19:44:54.990 168 ORBIT PERIGEE 2000:301:03:28:19.579 169 ORBIT APOGEE 2000:302:11:11:15.610 169 ORBIT PERIGEE 2000:303:18:55:21.125 170 ORBIT APOGEE 2000:305:02:38:39.797 170 ORBIT PERIGEE 2000:306:10:22:37.192 171 ORBIT APOGEE 2000:307:18:06:52.029 171 ORBIT PERIGEE 2000:309:01:50:14.645 172 ORBIT APOGEE 2000:310:09:34:31.506 172 ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 296:2200 AOS DSS-66 (Madrid 26m) 296:2210 61875 End of shift 296:2330 LOS DSS-66 (Madrid 26m) 297:0010 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot before LETG insertion, showing SIs safed for perigee: UTC 2000:296:22:16:01 (Oct22) f_ACE 1.28e+01 F_ACE 3.53e+06 Kp 3.7 R km 66751D OBT 2000:296:22:15:31 CTUVCDU 16461613 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 88640131.23 ONLVCDU 16461600 OBC Errs 0 OBSID 61875 EPState SUN SIM TTpos -99616 HETG Angle 79.8 PCADMODE NPNT RA 162.699 Bus V 30.55 SIM FApos -467 LETG Angle 78.3 PCONTROL NPNT Dec 52.182 Bus I 26.46 AOFSTAR GUID Roll 45.952 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTNNN Dith Yang 4.19 Yaw Rate -0.14 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang -7.80 Pitch Rate -0.01 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.10 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.23 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta 15.30 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 51.13 SA Resolv 74.42 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 12.56 RADMON DISA HRMA power 85.60 SCS 128 ACT -Y SA Amps 13.53 EPHIN Geom LARG OBA power 102.50 SCS 129 ACT +Y SA Temp 113.28 E150 581.5 SCS 130 ACT -Y SA Temp 113.58 E300 2.0 Roll Mom. -3.166 E1300 0.0 Pitch Mom. 13.667 UpL Cmd Acc 10400 EPH A-Leak 0.7440 P4GM 0.2 Yaw Mom. -1.454 Cmd Rej A 243 EPH B-Leak 0.1280 P41GM 0.0 2) Chandra snapshot after LETG insertion: UTC 2000:296:23:19:01 (Oct22) f_ACE 1.47e+01 F_ACE 3.53e+06 Kp 4.0 R km 58886D OBT 2000:296:23:18:37 CTUVCDU 16476388 OBC s/w NRML FMT2_EPS CPEstat NORM OBT 88643917.30 ONLVCDU 16476376 OBC Errs 0 OBSID 61875 EPState SUN SIM TTpos -99616 HETG Angle 79.8 PCADMODE NPNT RA 162.699 Bus V 30.40 SIM FApos -467 LETG Angle 4.5 PCONTROL NPNT Dec 52.178 Bus I 28.74 AOFSTAR GUID Roll 45.952 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTNNN Dith Yang -5.64 Yaw Rate 0.27 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang 3.31 Pitch Rate 0.02 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.10 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.19 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta 15.28 Batt 2 SOC 100.00% ACIS Stat7-0 66 Avg OBA Temp 51.21 SA Resolv 74.53 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 13.33 RADMON DISA HRMA power 33.00 SCS 128 ACT -Y SA Amps 14.49 EPHIN Geom LARG OBA power 77.00 SCS 129 ACT +Y SA Temp 113.89 E150 786.3 SCS 130 ACT -Y SA Temp 114.20 E300 7.2 Roll Mom. -3.249 E1300 0.2 Pitch Mom. 13.551 UpL Cmd Acc 10731 EPH A-Leak 0.7600 P4GM 0.3 Yaw Mom. -1.446 Cmd Rej A 38 EPH B-Leak 0.1320 P41GM 0.0 Current Data: UTC 2000:296:23:19:01 (Oct22) f_ACE 1.47e+01 F_ACE 3.53e+06 Kp 4.0 R km 58886D Currently scheduled FPSI, OTG : HRC-S LETG Costello Kp : 4.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.47e+01 Orbit Start Time : 2000:294:12:54:00 Geocentric Distance (km), Orbit Leg : 58886 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 6.65573000000e+05 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.43921396715e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.29573625080e+09 LETG Insertion: -------------- The LETG insertion was performed without problem, using CAP 665 Rev A. The insertion was performed with one 152-second move, plus 15 128-ms moves, for a total LETG drive time of 153.9 seconds. The previous LETG insertion on September 29 required 15 128-ms moves. UTC Timeline of events: 2225: Start CAP 665 Rev A. 2231: PCAD deadman SCS 193 loaded and activated. 2232: NMAN mode. 2240: Format 4. 2245: apply LETG motor power. 2248: 152-second insertion. 2250 - 2300: 15 short insert moves. 2300: LETG inserted (indicated by both MCE-A and MCE-B insert limit switches) 2312: Format 2. 2313: CAP 665 Rev A completed. The ACA workstation COOT telemetry display pages did not correctly autotransition to telemetry format 4 during the CAP execution. The COOT telemetry display pages did correctly auto-transition back to telemetry format 2 at the end of the CAP. 3) Radiation --------- ACE 2 hr fluence is 8.9e4 vs. threshold 3.6e8. Orbital fluence is 3.3e6 vs. threshold 1.0e9. Chandra is in the magnetosphere approaching perigee. The ACE proton rates are low.