Oct_27_2000_L463.txt Shift L463 Start at 2000:301:11:30:00 GMT = 2000 Oct 27 7:30am EDT End 2000 Oct 27 12:30pm EDT SOT shift report 2000-10-27 L463 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Oct_27_2000_L463.txt SOT Lead Bill Podgorski SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running OCT2300C load. Observing G0.9+0.1 (obsid 1036). Lunar eclipse later on tonight. Radiation levels high, discussed situation with Dan. Will not take any action based on current ACE levels and accumulated fluence. Also, this load has eclipse handling in it so we want to keep it running if possible (even though we do have a stand-alone backup to use if we have to). Time sequence of recent + upcoming events below: Seq # ObsID It Target start time SI Grat RA dec roll slew ---------------------------------------------------------------------------------------------------------- 700212 01596 00 0902+343 2000:300:04:29:24.970 10.2 ACIS-S NONE 136.3922 34.1248 70.83 17.65 700252 01636 00 NGC 2683 2000:300:07:29:07.925 2.0 ACIS-S NONE 133.1916 33.4200 72.75 2.76 700106 00434 00 3C 212 2000:300:08:30:27.925 20.3 ACIS-S NONE 134.6833 14.1419 74.20 19.43 300:08:42 DROPPED FRAMES IN DUMP 300:08:07 500098 01032 00 RX J0852.0-4622 2000:300:14:38:09.721 3.0 ACIS-I NONE 133.0225 -46.3611 89.58 62.38 300:14:42 ACIS DPA-A OFF 200086 00979 00 HD100546 2000:300:15:50:50.849 3.0 ACIS-I NONE 173.4262 -70.1728 137.38 33.11 200087 00980 00 HD104237 2000:300:16:55:12.028 3.0 ACIS-I NONE 180.1187 -78.1675 146.80 8.70 600118 01561 00 SGR A* 2000:300:18:16:28.468 50.8 ACIS-I NONE 266.4010 -28.9870 264.46 70.98 300:22:00 ACIS RECOVERY COMPLETE 400131 01918 00 GRS 1758-258 2000:301:08:34:45.269 10.2 HRC-I NONE 270.2881 -25.7217 268.63 5.32 500102 01036 00 G0.9+0.1 2000:301:11:51:55.269 35.5 ACIS-S NONE 266.8297 -28.1681 265.19 4.36 200080 00973 00 G208-45 2000:301:22:17:03.321 5.1 ACIS-I NONE 298.4512 44.4306 282.19 80.85 700256 01640 00 NGC 6503 2000:302:00:09:38.321 2.1 ACIS-S NONE 267.3359 70.1318 307.26 30.05 ECLIPSE OPERATIONS ---- T_EC1 CAL-ER 2000:302:01:10:03.010 13.3 -- -- 145.0300 58.4160 64.19 -0.01 ---- T_EC2 CAL-ER 2000:302:04:59:52.430 3.6 -- -- 145.0300 58.4160 64.28 -0.01 ---- T_E69 00 CAL-ER 2000:302:06:17:43.670 10.0 -- -- 173.0000 52.0000 40.49 0.01 ---- T_X70 00 CAL-ER 2000:302:14:48:57.125 10.0 -- -- 173.0000 52.0000 40.78 0.01 ORBITAL EVENTS: 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 301:1130 Status at last contact was nominal (see note 1) EPHIN was a little high in P4GM AOS DSS-54 (Madrid 34m) 301:1530 1036 Status at AOS (see note 2) LOS DSS-54 301:1630 End of shift 301:1630 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot at last contact: TC 2000:301:05:45:02 (Oct27) f_ACE 1.34e+04 F_ACE 3.07e+08 Kp 1.3 R km 141792D OBT 2000:301:05:43:49 CTUVCDU 1138047 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 89012629.05 ONLVCDU 1138032 OBC Errs 0 OBSID 1561 EPState SUN SIM TTpos 92903 HETG Angle 79.84 PCADMODE NPNT RA 266.401 Bus V 30.55 SIM FApos -535 LETG Angle 78.34 PCONTROL NPNT Dec -28.989 Bus I 27.22 AOFSTAR GUID Roll 264.455 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 7.74 Yaw Rate -0.03 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 0.55 Pitch Rate 0.19 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.12 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.37 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta 36.75 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 51.13 SA Resolv 53.54 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 13.14 RADMON ENAB HRMA power 64.50 SCS 128 ACT -Y SA Amps 14.10 EPHIN Geom LARG OBA power 0.00 SCS 129 ACT +Y SA Temp 113.89 E150 29.4 SCS 130 ACT -Y SA Temp 114.20 E300 0.5 Roll Mom. 5.931 E1300 0.0 Pitch Mom. -5.971 UpL Cmd Acc 25286 EPH A-Leak 0.5920 P4GM 9.9 Yaw Mom. 3.782 Cmd Rej A 81 EPH B-Leak 0.1040 P41GM 0.0 Current Data: UTC 2000:301:15:17:01 (Oct27) f_ACE 1.92e+04 F_ACE 7.34e+08 Kp 1.7 R km 128375D Currently scheduled FPSI, OTG : ACIS-S NONE Costello Kp : 1.67 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.92e+04 Orbit Start Time : 2000:299:19:49:00 Geocentric Distance (km), Orbit Leg : 128495 D CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 1.16851953027e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.16851953027e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 7.70218262730e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 4.86601274634e+08 2) Status at AOS about 301:1530: UTC 2000:301:15:34:02 (Oct27) f_ACE 2.29e+04 F_ACE 7.53e+08 Kp 1.7 R km 127677D OBT 2000:301:15:33:40 CTUVCDU 1276159 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 89048020.20 ONLVCDU 1276144 OBC Errs 1 OBSID 1036 EPState SUN SIM TTpos 75623 HETG Angle 79.84 PCADMODE NPNT RA 266.827 Bus V 30.55 SIM FApos -467 LETG Angle 78.34 PCONTROL NPNT Dec -28.166 Bus I 29.00 AOFSTAR GUID Roll 265.188 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang -7.88 Yaw Rate -0.04 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang 7.86 Pitch Rate -0.06 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.12 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.32 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta 36.86 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 51.13 SA Resolv 53.14 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 13.91 RADMON ENAB HRMA power 47.00 SCS 128 ACT -Y SA Amps 14.88 EPHIN Geom LARG OBA power 24.20 SCS 129 ACT +Y SA Temp 113.89 E150 16.5 SCS 130 ACT -Y SA Temp 114.20 E300 0.4 Roll Mom. 5.850 E1300 0.0 Pitch Mom. -6.947 UpL Cmd Acc 25316 EPH A-Leak 0.5640 P4GM 3.9 Yaw Mom. 3.782 Cmd Rej A 83 EPH B-Leak 0.1000 P41GM 0.0 Science EGSE data: HRC SP PS = OFF IM PS = ON, 42, 53 Shield 1 HV = OFF Shield 2 HV = ON, Step 8 Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 3600 ACIS FP Temp = -119.9 DEA Pwr = 52.4 DPA Pwr = 40.7 <---------Its still ON. Science State = Science Active UTC 2000:301:15:34:02 (Oct27) f_ACE 2.29e+04 F_ACE 7.53e+08 Kp 1.7 R km 127677D Currently scheduled FPSI, OTG : ACIS-S NONE Costello Kp : 1.67 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.29e+04 Orbit Start Time : 2000:299:19:49:00 Geocentric Distance (km), Orbit Leg : 127677 D CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 1.16851953027e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.16851953027e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 7.71620486166e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 4.88003498070e+08 3) Notes from 9:00am meeting: Operations (Darrell): - 3 supports yesterday, 1 34m, 2 26m - Added support to help resolve ACIS Power supply problem - Problems with DSS-66 data dump yesterday (300:1740) - Ran CAP 671 to disable SCS 12 - Ran CAP 673, SOP61010, SOP61083, CAP548 and CAP 574 to get ACIS DPA back on and instrument in observing condition Mission Planning (Sabina): - OCT30 load approved yesterday Spacecraft Engineering (Jeff): - FDB approved CAP 671 to disable SCS12 (eclipse overload monitor) - Eclipse patches onboard, all ready to go - Ken built stand-alone load for eclipse management should SCS107 trigger and stop daily load. SOT (Bill Podgorski): - Radiation levels high, but dose will be acceptable if levels do not increase dramatically. EPHIN P4GM rate has come down to 3.9 so chance of RADMON trigger before eclipse is low. DSOPS(Joy): - Issue with OBSID 434. Level 1 processing of aspect solution showed large attitude error. - Investigation revealed that problem was caused by data loss during the period 300:0842 - 300:0977. GOT reported that problem was at ground station. - Quick looks, see below GOT(Ken): - GOT reported that IDR files 35019 and 35073 (all from one pass) had large data drops. Roger: - 3pm readiness review for new online/offline SW install - CCB at 10am - Good job all around for catching the ACIS problem and quickly correcting it. - Sonia leaving for California, farewell lunch at 12:30 EDT. 4) Quick look data: Seq # ObsID It Target start time SI Grat Comment ---------------------------------------------------------------------------------------------------------- 700207 01591 00 NGC 3227 2000:297:12:12:49.690 96.5 HRC-S LETG 200082 00975 00 AD LEO 2000:298:15:13:42.567 48.2 HRC-S LETG 200083 00976 00 KPD0005+5106 2000:299:05:33:41.107 19.3 HRC-S LETG 700251 01635 00 NGC 2541 2000:300:03:38:00.996 2.0 ACIS-S NONE 700212 01596 00 0902+343 2000:300:04:29:24.970 10.2 ACIS-S NONE 700252 01636 00 NGC 2683 2000:300:07:29:07.925 2.0 ACIS-S NONE 700106 00434 00 3C 212 2000:300:08:30:27.925 20.3 ACIS-S NONE Dropped frames as mentioned above. OK in level 2. 600118 01561 00 SGR A* 2000:300:18:16:28.468 50.8 ACIS-I NONE Partial observation, looks OK for time after ACIS recovery.