SOT/ACIS shift report 2002-01-11 M904 Start at 2002:011:20:30 GMT = 2002 Jan 11 3:30 pm EST End Jan 11 5:40 pm EST ACIS Shanil Virani, Joe DePasquale, Bev and Maggie LaMarr, Catherine Grant SOT Lead Mark Freeman PLAN ---- Uplink JAN1202A loads and execute CAP775 to perform an ACIS-I CTI measurement. SUMMARY: ---------- Executed CAP775 to perform an ACIS-I CTI measurement. The radiation environment was below the established criteria to execute the CTI CAP. Data looked nominal; event data was NOT interleaved with bias data. Everything went according to plan. ACE and GOES rates of interest are all headed monotonically downward at this time. ACE EPAM P3 is currently around 17,000, down from 24,000 this morning. EPHIN P4GM is at about 1/5 of the trigger level of 300, so the outlook is good for the startup of the replan load at approximately 2002:012:04:20. Total orbital fluence for this orbit is expected to below 2E9 (pure ACE integration). 1) Detailed Timeline GMT 011:21:19 AOS on DSS-55 011:21:20 Alttiude=136762 km and descending 011:21:20 FP Temp=-119.9 011:21:20 E150 1607.8 E1300 0.2 P4GM 63.5 P41GM 0.2 011:21:25 CAP 617: Enable and Activate SCS 107, enable RadMon 011:21:25 RadMon Enabled 011:21:30 Uplink JAN1202A load into SCS 128, 129, and 130 011:21:36 E150 1580.5 E1300 0.2 P4GM 66.4 P41GM 0.1 011:20:36 EPHIN rates are low enough to begin ACIS CTI 011:21:42 ObsId changed to 62853 011:21:43 Uplinked CTI CLD 011:21:47 Everything looks OK - no reason NOT to proceed with CAP 011:21:47 SCS 137 enabled and activated 011:21:48 Command IDs seen in telemetry and time of start science 011:22:04 E150 1572.9 E1300 0.2 P4GM 69.1 P41GM 0.0 011:22:04 FP Temp=-119.7 011:22:04 Bias maps begin being telemetered! Bev confirms BIAS MAPs look OK 011:22:10 OC/CC clears and disables SCS 137 011:22:11 Event data from Cal Src looks nominal: 360-380 good evts/s 011:22:11 FP Temp=-119.7 011:22:13 ACIS confirms normal science run 011:22:14 E150 1549.2 E1300 0.2 P4GM 60.8 P41GM 0.2 011:22:14 LOS 3) Chandra state at the beginning of the 2115 pass: UTC 2002:011:21:21:05 (Jan11) f_ACE 1.62e+04 F_CRM 2.11e+09 Kp 5.0 R km 136762D OBT 2002:011:21:20:32 CTUVCDU 15831935 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 127171232.12 ONLVCDU 15831920 OBC Errs 0 OBSID 2751 EPState SUN SIM TTpos -99616 HETG Angle 79.46 PCADMODE NPNT RA 169.574 Bus V 29.61 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec 48.028 Bus I 29.75 AOFSTAR GUID Roll 98.953 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc NNNTTTTT Dith Yang 7.59 Yaw Rate -0.33 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 7.31 Pitch Rate 0.09 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.08 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa 0.56 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -38.59 Batt 2 SOC 100.00% ACIS Stat7-0 67 Avg OBA Temp 51.05 SA Resolv 128.04 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 14.10 RadMon DISA HRMA power 5.90 SCS 128 INAC -Y SA Amps 14.88 EPHIN Geom LARG OBA power 80.70 SCS 129 INAC +Y SA Temp 118.05 E150 2380.5 SCS 130 INAC -Y SA Temp 119.15 E300 21.5 Roll Mom. 2.444 SCS 107 DISA E1300 0.2 Pitch Mom. -2.209 UpL Cmd Acc 21173 EPH A-Leak 1.0200 P4GM 99.3 Yaw Mom. 20.130 Cmd Rej A 59 EPH B-Leak 0.4240 P41GM 0.0 4) Chandra state at the end of the 2115 pass: UTC 2002:011:22:15:07 (Jan11) f_ACE 1.66e+04 F_CRM 2.11e+09 Kp 3.7 R km 136229D OBT 2002:011:22:14:39 CTUVCDU 15844607 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 127174479.32 ONLVCDU 15844592 OBC Errs 0 OBSID 62853 EPState SUN SIM TTpos -99616 HETG Angle 79.46 PCADMODE NPNT RA 169.568 Bus V 29.30 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec 48.026 Bus I 36.35 AOFSTAR GUID Roll 98.957 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc NNNTTTTT Dith Yang 2.67 Yaw Rate -0.03 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang -7.92 Pitch Rate -0.08 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.15 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa 0.60 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -38.61 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 51.05 SA Resolv 128.04 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 17.62 RadMon ENAB HRMA power 89.70 SCS 128 ACT -Y SA Amps 18.41 EPHIN Geom LARG OBA power 171.70 SCS 129 ACT +Y SA Temp 117.68 E150 1533.7 SCS 130 ACT -Y SA Temp 118.78 E300 14.4 Roll Mom. 2.525 SCS 107 INAC E1300 0.2 Pitch Mom. -2.306 UpL Cmd Acc 22924 EPH A-Leak 1.0200 P4GM 63.5 Yaw Mom. 20.242 Cmd Rej A 97 EPH B-Leak 0.3960 P41GM 0.2