Jun_08_2001_M687.txt Shift M687 Start at 2001:159:19:30:00 GMT = 2001 Jun 08 3:30pm EDT End 2001 Jun 08 5:30pm EDT SOT shift report 2001-06-08 M687 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Jun_08_2001_M687.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running JUN0401B load. Seq # ObsID It Target start time SI Grat RA dec roll --------------------------------------------------------------------------------------------------- 900063 02236 00 XMM 13HR - FIELD 1 2001:159:19:30:46.585 30.4 ACIS-I NONE 203.5603 38.0070 231.99 900064 02237 00 XMM 13HR - FIELD 2 2001:160:04:06:21.585 30.4 ACIS-I NONE 203.7817 37.8706 231.99 900065 02238 00 XMM 13HR - FIELD 3 2001:160:12:41:56.585 29.8 ACIS-I NONE 203.7577 38.0261 231.99 ORBITAL EVENTS: 2001:158:14:27:56.728 253 PERIGEE 2001:159:22:11:37.638 254 APOGEE 2001:161:05:56:37.574 254 PERIGEE 2001:162:13:40:02.580 255 APOGEE 2001:163:21:24:26.697 255 PERIGEE 2001:165:05:08:14.063 256 APOGEE 2001:166:12:51:58.413 256 PERIGEE 2001:167:20:36:26.237 257 APOGEE 2001:169:04:20:15.626 257 PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 159:1930 AOS DSS-54 (Madrid 34m) 159:2000 02236 LOS DSS-54 (Madrid 34m) 159:2100 End of shift 159:2130 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot: UTC 2001:159:20:06:04 (Jun 8) f_ACE 6.78e+02 F_CRM 1.31e+08 Kp 1.3 R km 139909A OBT 2001:159:20:05:29 CTUVCDU 9757183 OBC s/w NRML FMT2_EPS CPEstat NORM OBT 108417929.79 ONLVCDU 9757168 OBC Errs 0 OBSID 2236 EPState SUN SIM TTpos 92903 HETG Angle 79.84 PCADMODE NPNT RA 203.562 Bus V 31.02 SIM FApos -535 LETG Angle 77.96 PCONTROL NPNT Dec 38.009 Bus I 25.45 AOFSTAR GUID Roll 231.989 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -7.67 Yaw Rate 0.06 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang -0.69 Pitch Rate -0.12 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.07 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -3.33 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -11.43 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 50.97 SA Resolv 101.37 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 11.98 RadMon ENAB HRMA power 40.70 SCS 128 ACT -Y SA Amps 12.95 EPHIN Geom LARG OBA power 98.40 SCS 129 INAC +Y SA Temp 108.70 E150 3.5 SCS 130 ACT -Y SA Temp 108.44 E300 0.1 Roll Mom. 4.152 SCS 107 INAC E1300 0.0 Pitch Mom. -11.943 UpL Cmd Acc 26980 EPH A-Leak 1.0200 P4GM 0.0 Yaw Mom. -1.030 Cmd Rej A 133 EPH B-Leak 0.2200 P41GM 0.0 Current Data: UTC 2001:159:20:06:04 (Jun 8) f_ACE 6.78e+02 F_CRM 1.31e+08 Kp 1.3 R km 139909A Currently scheduled FPSI, OTG : ACIS-I NONE Costello Kp : 1.33 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 6.78e+02 Orbit Start Time : 2001:158:14:34:01 Geocentric Distance (km), Orbit Leg : 139895 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.24207000000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.24207000000e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 3.21145385100e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.30925564100e+08 2) Status at 159/2005: Observed Expected -------- -------- PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 203.5603 deg 203.5603 DEC = 38.0070 deg 38.0070 ROLL = 231.99 deg 231.99 Format = 2 2 OBSID = 2236 2236 SIM FA = -535 -536 SIM TSC = 92903 92904 HETGA = 79.84 deg (OUT) OUT HETGB = 80.59 deg (OUT) OUT LETGA = 79.09 deg (OUT) OUT LETGB = 77.96 deg (OUT) OUT HRC IM PS = OFF, 0, 0 SP PS = ON, 43,54 Shield 1 HV = OFF, 0 Shield 2 HV = OFF, 0 Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 0 ACIS FP Temp = -119.9 DEA Pwr = 51.9 DPA Pwr = 41.7 Science State = Science Active 3) Radiation: The Chandra radiation environment is moderate. ACE EPAM P3: 2 hr fluence is 5.2e6 vs. threshold 3.6e8. CRM-based orbital fluence is 1.3e8 vs. threshold 1.0e9. Chandra is in the magnetosphere. 4) Quick look data: There were no new quick look data in this shift. 5) OTG CSD A telecon was held today between FOT, SOT and TRW SMF, on the recent ASVT test failures for the new OTG CSD. The main suspect is timing variability within the Vehicle Dynamics Simulator (VDS) on the ASVT, which provides an OTG model which receives commands from the OBC and sends telemetry to the OBC. Further testing is planned for next week, including stress testing the ASVT and VDS by scheduling OTG moves at a higher frequency. Further timing diagnosis of the VDS is also planned.