Jan_22_2005_M2011.txt Shift M2011 Start at 2005:022 22:30 GMT = 2005 Jan 22 5:30 pm EST End 2005 Jan 22 6:30 pm EST SOT shift report 2005-01-22 M2011 http://asc.harvard.edu/acis/SOT_reports/sot-shift.html or /proj/web-cxc/htdocs/acis/SOT_reports/Jan_22_2005_M2011.txt SOT shift report 2005-01-22 M2011 ACIS Paul Plucinsky PLAN ---- Verify that the radiation environment is low enough to execute an ACIS CTI measurement using an RTS. Execute CAP 953 to execute an ACIS CTI measurement. Monitor the data from ACIS to ensure proper operation after 5 days of not clocking the CCDs. SUMMARY: ---------- Yippeee !!! ACIS is back on the air after five days in hibernation. The radiation environment was FINALLY low enough to start an ACIS CTI measurement. We executed CAP 953 to start a 20ks ACIS-I CTI measurement. 1) Detailed Timeline GMT 022:22:30 AOS on DSS 54 022:22:30 ACE 112-187 keV proton rate is ~6,000 and decreasing. GOES high energy proton channels show a slow, gradual decline. GOES P4 predictor indicates that EPHIN P4 should be about 2-3. 022:22:35 first data, EPHIN P4=5.8, P41=0.3, E1300=1.0 altitude = 90,000A OK, EPHIN rates are clearly below 1/3 of the SCS 107 trigger levels,finally !!!! 022:22:46 OC/CC complete SSR dump, ready to start CAP 953 022:22:47 verify steps 1-3 of the CAP 022:22:48 enable RADMON 022:22:50 enable SCS 107 022:22:51 set OBSID to 62832 022:22:53 uplink the CLD file with the ACIS loads, 1A_CTI_24HR_131.CLD 022:22:55 enable and activate SCS 131 022:22:57 ACIS confirms receipt of SW command echoes 022:23:01 ACIS confirms HW TLM verifiers 022:23:08 first bias packet 022:23:20 bias maps complete, first event data 022:23:21 overclock values are negative numbers (-11 to -34 ), event rates look nominal on all 6 CCDs: Counts/frame I3: 107 S3: 111 I0: 104 I1: 108 I2: 108 S2: 110 threshold crossings look nominal on all six CCDs 022:23:25 The ACIS door is still open. 022:23:30 LOS 2) Chandra state at the middle of the Pass UTC 2005:022:22:34:01 (Jan22) f_ACE 6.60e+03 F_CRM 0.00e+00 Kp 4.7 R km 89800A OBT 2005:022:22:33:33 CTUVCDU 3221051 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 222820413.83 ONLVCDU 3221040 OBC Errs 1 OBSID 59839 EPState SUN SIM TTpos -99616 HETG Angle 79.09 PCADMODE NPNT RA 133.999 BusV 29.14 SIM FApos -467 LETG Angle 77.59 PCONTROL NPNT Dec 8.998 BusI 33.04 AOFSTAR GUID Roll 38.714 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang -7.33 Yaw Rate 0.17 HRC-S HV OFF ACA CCD Temp -15.6 Dith Zang 2.46 Pitch Rate -0.07 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.19 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa -31.78 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -49.78 Batt 2 SOC 100.00% ACIS Stat7-0 66 Avg OBA Temp 51.05 SA Resolv 166.47 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 16.05 RadMon DISA HRMA power 144.40 SCS 128 ACT -Y SA Amps 16.05 EPHIN Geom LARG OBA power 104.50 SCS 129 INAC +Y SA Temp 117.68 E150 823.4 SCS 130 INAC -Y SA Temp 118.05 E300 28.9 Roll Mom. 0.966 SCS 107 DISA E1300 1.2 Pitch Mom. -0.952 UpL Cmd Acc 5019 EPH A-Leak 0.5760 P4GM 5.3 Yaw Mom. 8.478 Cmd Rej A 77 EPH B-Leak 0.1120 P41GM 0.1 3) Chandra state at the end of the Pass UTC 2005:022:23:36:01 (Jan22) f_ACE 6.08e+03 F_CRM 0.00e+00 Kp 4.3 R km 93784A OBT 2005:022:23:29:36 CTUVCDU 3234175 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 222823776.86 ONLVCDU 3234160 OBC Errs 0 OBSID 62832 EPState SUN SIM TTpos -99616 HETG Angle 79.09 PCADMODE NPNT RA 134.003 BusV 28.99 SIM FApos -467 LETG Angle 77.59 PCONTROL NPNT Dec 9.000 BusI 34.82 AOFSTAR GUID Roll 38.714 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang 7.18 Yaw Rate -0.03 HRC-S HV OFF ACA CCD Temp -15.6 Dith Zang 7.62 Pitch Rate 0.05 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.14 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa -41.34 Batt 1 SOC 100.00% Avg HRMA Temp 70.63 FSS Beta -49.78 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 50.97 SA Resolv 166.47 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 17.23 RadMonENAB HRMA power 32.70 SCS 128 INAC -Y SA Amps 17.23 EPHIN Geom LARG OBA power 140.70 SCS 129 INAC +Y SA Temp 117.32 E150 963.9 SCS 130 INAC -Y SA Temp 117.68 E300 28.4 Roll Mom. 1.134 SCS 107 INAC E1300 1.0 Pitch Mom. -1.333 UpL Cmd Acc 5223 EPH A-Leak 0.5720 P4GM 5.9 Yaw Mom. 8.374 Cmd Rej A 90 EPH B-Leak 0.1120 P41GM 0.2