ACIS SOT Shift report M3118 Feb 4, 2008 22:45 EST,2008:036:03:45 GMT COMM Period: = 2008 Feb 4 10:45 pm EST End = 2008 Feb 4 11:45 pm EST See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html or /proj/web-cxc/htdocs/acis/SOT_reports/Feb_04_2008_M3118_acis.txt ACIS Personnel: Joseph DePasquale, Royce Buehler SUMMARY: -------- The ACIS DH heater was turned off in the load at 2008:034:23:27. The DH has cooled through perigee and continues to cool through 4 consecutive, 8 ks E0102 observations. This is the last COM before the heater is turned back on in the load at 2008:036:06:20. The 4 COMs preceding this one showed that the DH cooled as expected through perigee and has cooled to a temperature of -69.75 C on both sides of the camera body for the last two passes. Both A and B sides of the camera body continue to read -69.75 C through this pass. TIMELINE (GMT day 036) ---------------------- 03:45 AOS on DSS-27 03:50 1CB[A/B]T = -69.75 C FP temp = -119.9 C 04:40 1CB[A/B]T = -69.75 C FP temp = -119.9 C 04:45 LOS Snapshot at AOS: ---------------- UTC 2008:036:03:51:09 (Feb 5) f_ACE 2.05e+01 F_CRM 4.04e+07 Kp 2.0 R km 118416A OBT 2008:036:03:50:50 CTUVCDU 7781696 OBC s/w NRML FMT2_EPS CPEstat NORM OBT 318570650.19 ONLVCDU 7781688 OBC Errs 0 OBSID 9692 EPState SUN SIM TTpos 92903 HETG Angle 79.09 PCADMODE NPNT RA 16.081 Bus V 29.46 SIM FApos -535 LETG Angle 77.21 PCONTROL NPNT Dec -72.096 Bus I 28.24 AOFSTAR GUID Roll 244.041 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 0.59 Yaw Rate -0.15 HRC-S HV ON ACA CCD Temp -19.6 Dith Zang -7.39 Pitch Rate 0.01 SHLD HV 8.0 ACA Int Time 1.698 Roll Rate -0.14 EVT RT 0 AOACSTAT OK FSS SunBeta SUN SHLD RT 21 FSS Alfa -0.39 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta 24.65 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 55.25 SA Resolv 65.16 Batt 3 SOC 100.00% Cold Rad -127.9 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -86.9 OBA Trng Fault NFLT +Y SA Amps 13.91 RadMon ENAB HRMA power 97.80 SCS 128 ACT -Y SA Amps 14.10 EPHIN Geom SMAL OBA power 73.30 SCS 129 ACT +Y SA Temp 117.32 E150 53.4 SCS 130 ACT -Y SA Temp 118.05 E300 6.1 Roll Mom. 13.903 SCS 107 INAC E1300 9.3 Pitch Mom. -4.130 UpL Cmd Acc 46560 EPH A-Leak 1.0200 P4GM 0.0 Yaw Mom. 14.510 Cmd Rej A 241 EPH B-Leak 1.0200 P41GM 0.0 EPH temp 107.86 Gyro 2 Curr 1 105.60 Roll Bias -0.9808 EPH 27I 7.19 M Unload MON Gyro 2 Curr 2 108.00 Pitch Bias -2.0412 TSC Move STOP Prop. line 03 125.35 Yaw Bias -1.1654 CTX B PWR 36.69 FA Move STOP Prop. line 04 89.78 CTX B Volts 3.54 OTG Move DISA Snapshot at LOS: ---------------- UTC 2008:036:04:48:07 (Feb 5) f_ACE 2.05e+01 F_CRM 4.06e+07 Kp 2.0 R km 120751A OBT 2008:036:04:44:28 CTUVCDU 7794303 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 318573868.44 ONLVCDU 7794288 OBC Errs 0 OBSID 9693 EPState SUN SIM TTpos 92903 HETG Angle 79.09 PCADMODE NPNT RA 15.975 Bus V 29.46 SIM FApos -535 LETG Angle 77.21 PCONTROL NPNT Dec -71.920 Bus I 26.97 AOFSTAR GUID Roll 243.895 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang 7.99 Yaw Rate 0.03 HRC-S HV ON ACA CCD Temp -19.6 Dith Zang 5.55 Pitch Rate 0.09 SHLD HV 8.0 ACA Int Time 1.698 Roll Rate 0.02 EVT RT 0 AOACSTAT OK FSS SunBeta SUN SHLD RT 21 FSS Alfa -0.32 Batt 1 SOC 100.00% Avg HRMA Temp 70.63 FSS Beta 24.76 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 55.41 SA Resolv 65.06 Batt 3 SOC 100.00% Cold Rad -127.9 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -86.9 OBA Trng Fault NFLT +Y SA Amps 13.14 RadMon ENAB HRMA power 71.60 SCS 128 ACT -Y SA Amps 13.33 EPHIN Geom SMAL OBA power 43.20 SCS 129 ACT +Y SA Temp 116.95 E150 62.5 SCS 130 ACT -Y SA Temp 118.05 E300 6.4 Roll Mom. 13.735 SCS 107 INAC E1300 7.4 Pitch Mom. -3.820 UpL Cmd Acc 46565 EPH A-Leak 1.0200 P4GM 0.0 Yaw Mom. 14.340 Cmd Rej A 244 EPH B-Leak 1.0200 P41GM 0.0 EPH temp 107.86 Gyro 2 Curr 1 103.20 Roll Bias -0.9808 EPH 27V 26.84 M Unload MON Gyro 2 Curr 2 108.00 Pitch Bias -2.0412 TSC Move STOP Prop. line 03 127.54 Yaw Bias -1.1663 CTX B PWR 36.69 FA Move STOP Prop. line 04 91.82 CTX B Volts 3.54 OTG Move DISA