Nov_12_2004_M1940.txt Shift M1940 Start at 2004:317 19:35 GMT = 2004 Nov 12 2:35 pm EDT End 2004 Nov 12 3:35 pm EDT SOT shift report 2004-11-12 M1940 http://asc.harvard.edu/acis/SOT_reports/sot-shift.html or /proj/web-cxc/htdocs/acis/SOT_reports/Nov_12_2004_M1940.txt SOT shift report 2004-11-12 M1940 ACIS Paul Plucinsky PLAN ---- Verify that the radiation environment is low enough to execute an ACIS CTI measurement using an RTS. Execute CAP 944 to execute an ACIS CTI measurement. SUMMARY: ---------- The radiation environment was FINALLY low enough to start an ACIS CTI measurement. We executed CAP 944 to start a 25ks ACIS-I CTI measurement. 1) Detailed Timeline GMT 317:19:30 ACE 112-187 keV proton rate is ~3,000 and unsteady. ACE P5 & P7 channels show small fluctuations. GOES high energy proton channels show a slow, gradual decline. GOES P4 predictor indicates that EPHIN P4 should be about 50. 317:19:35 AOS on DSS-24 right on time, TLM looks rock-solid 317:19:40 first data, EPHIN P4=39, P41=0.3, E1300=1.4 altitude = 112,000A OK, EPHIN rates are clearly below 1/3 of the SCS 107 trigger levels 317:19:47 OC/CC complete SSR dump, ready to start CAP 944 317:19:48 verify steps 1-3 of the CAP 317:19:49 enable RADMON 317:19:50 enable SCS 107 317:19:51 set OBSID to 62834 317:19:52 uplink the CLD file with the ACIS loads, 1A_CTI_24HR_131.CLD 317:19:54 enable and activate SCS 131 317:19:57 ACIS confirms receipt of SW command echoes 317:20:00 ACIS confirms HW TLM verifiers 317:20:08 first bias packet 317:20:20 bias maps complete, first event data 317:20:21 overclock values are large negative number (-18 to -46 ) event rates look good on all six CCDs, threshold crossings look nominal on all six CCDs 317:20:25 The ACIS door is still open. 317:20:35 LOS 2) Chandra state at the middle of the Pass UTC 2004:317:19:57:04 (Nov12) f_ACE 2.76e+03 F_CRM 1.30e+07 Kp 4.3 R km 112181A OBT 2004:317:19:56:37 CTUVCDU 12799615 OBC s/w NRML FMT2_EPS CPEstat NORM OBT 216676597.44 ONLVCDU 12799600 OBC Errs 0 OBSID 62834 EPState SUN SIM TTpos -99616 HETG Angle 79.09 PCADMODE NPNT RA 52.397 Bus V 29.14 SIM FApos -467 LETG Angle 77.59 PCONTROL NPNT Dec -1.999 Bus I 35.33 AOFSTAR GUID Roll 13.048 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -7.86 Yaw Rate 0.31 HRC-S HV ON ACA CCD Temp -15.6 Dith Zang -5.51 Pitch Rate -0.01 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.02 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa -49.63 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta -49.78 Batt 2 SOC 100.00% ACIS Stat7-0 66 Avg OBA Temp 51.29 SA Resolv 159.87 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 121.20 SCS 128 INAC -Y SA Amps 17.43 EPHIN Geom LARG OBA power 32.30 SCS 129 INAC +Y SA Temp 115.49 E150 2903.4 SCS 130 INAC -Y SA Temp 116.95 E300 75.6 Roll Mom. 5.772 SCS 107 INAC E1300 1.4 Pitch Mom. 18.648 UpL Cmd Acc 38554 EPH A-Leak 1.0200 P4GM 39.2 Yaw Mom. -1.242 Cmd Rej A 210 EPH B-Leak 0.2400 P41GM 0.3 3) Chandra state at the end of the Pass UTC 2004:317:20:42:01 (Nov12) f_ACE 3.07e+03 F_CRM 1.30e+07 Kp 4.0 R km 113930A OBT 2004:317:20:34:20 CTUVCDU 12808447 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 216678860.65 ONLVCDU 12808432 OBC Errs 0 OBSID 62834 EPState SUN SIM TTpos -99616 HETG Angle 79.09 PCADMODE NPNT RA 52.400 Bus V 29.14 SIM FApos -467 LETG Angle 77.59 PCONTROL NPNT Dec -2.001 Bus I 34.82 AOFSTAR GUID Roll 13.048 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -0.85 Yaw Rate -0.06 HRC-S HV ON ACA CCD Temp -15.6 Dith Zang 3.73 Pitch Rate 0.02 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.18 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa -49.65 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta -49.76 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 51.29 SA Resolv 159.87 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 RadMon ENAB HRMA power 99.30 SCS 128 INAC -Y SA Amps 17.03 EPHIN Geom LARG OBA power 40.80 SCS 129 INAC +Y SA Temp 115.49 E150 2856.6 SCS 130 INAC -Y SA Temp 116.58 E300 74.8 Roll Mom. 5.696 SCS 107 INAC E1300 1.3 Pitch Mom. 18.297 UpL Cmd Acc 38555 EPH A-Leak 1.0200 P4GM 35.0 Yaw Mom. -1.138 Cmd Rej A 211 EPH B-Leak 0.2360 P41GM 0.3