Feb_11_2000_M203.txt Shift M203 Start at 2000:042:21:00 GMT = 2000 Feb 11 4:00pm EST End 2000 Feb 11 6:00pm EST See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Feb_11_2000_M203.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running FEB1100 TOO load. Current observation: Obsid 62178, CAL-ER 2000:042:21:54, 201.3333 -38.4153 57.12 Next observation: Obsid 62177, CAL-ER 2000:042:23:56, 201.3330 -38.4143 57.12 2000:043:07:31:44.307 71 EPERIGEE ORBIT PERIGEE 2000:044:15:16:22.574 72 EAPOGEE ORBIT APOGEE 2000:045:23:00:48.899 72 EPERIGEE ORBIT PERIGEE 2000:047:06:45:48.112 73 EAPOGEE ORBIT APOGEE EVENTS DONE OBSID -------------- ---- ----- AOS (DSS-24, Goldstone 34m) 2200 0 stars, 0 fid lights (maneuver before perigee) 2205 62178 LOS 0000 Evaluation of QL data --------------------- No new quick look data were received during this shift. The target of opportunity observation of GRB000210 was successfully completed and the data are being processed. NOTES/ISSUES/PROBLEMS --------------------- 1) The 130-214 keV proton flux observed by ACE remains at a high level, so the SOT and FOT decided to replace ACIS observations in the current timeline with HRC observations. A revised set of command loads is being prepared, for upload tomorrow morning, after perigee passage. 2) The sun continues to produce CMEs (coronal mass ejections) associated with high proton fluxes, so revisions of future timelines may be required. 3) A message from JPL/DSN: ---------------------- ROUTER LRID/ ANBE/ JGTS/ JOCC/ JFTL/ JJPL FROM JFTL / MPSETA / J ADAMS OPD-CHDR-001 SUBJECT: TCA channel redundancy 1. PURPOSE: To provide support direction and information 2. EFFECTIVE: DOY 043 3. ACKNOWLEDGE: Yes 4. DIRECTION: The Project has reported unrecoverable data corruption in virtual channel 1 (VC1). The incidents of data corruption's are infrequent and appear to be isolated to VC1 only. Beginning with DSS16 support scheduled on DOY 043 BOT 0755 the supporting stations are directed to configure a redundant TCA channel to output to the CDR in RECORD mode only. The objective of this configuration is to provide redundant TCA data capture at the CDR. Expiration date: Doy 103 4) At AOS Chandra's state was as expected: -------------------------------------- (although the EPHIN P4 proton rate is higher than normal) UTC 2000:042:22:03:02 (Fri Feb 11) f_ACE 2.88e+04 F_ACE 1.70e+09 R km 90319D OBT 2000:042:22:02:38 CTUVCDU 12848228 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 66693758.83 ONLVCDU 12848224 OBC Errs 0 OBSID 62178 EPState SUN SIM TTpos -99616 HETG Angle 80.6 PCADMODE NMAN RA 201.324 Bus V 30.24 SIM FApos -715 LETG Angle 79.1 PCONTROL NPNT Dec -38.417 Bus I 31.27 AOFSTAR GUID Roll 57.117 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc RRRRRNNN Dith Yang 8.16 Yaw Rate -0.10 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang -5.24 Pitch Rate 0.28 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.17 Door OP ACT AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.34 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -15.90 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 51.13 SA Resolv 105.85 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 14.88 HRMA power 42.60 -Y SA Amps 16.05 EPHIN Geom LARG OBA power 119.10 +Y SA Temp 116.95 E1300 1 -Y SA Temp 116.22 P4GM 63 Roll Mom. 1.059 SCS 128 P41GM 0 Pitch Mom. 8.287 SCS 129 UpL Cmd Acc 50725 A-Leak 0.3560 Yaw Mom. 1.828 SCS 130 Cmd Rej A 220 B-Leak 0.0560 5) At LOS, Chandra's state was: --------------------------- UTC 2000:043:00:01:01 (Sat Feb 12) f_ACE 1.80e+05 F_ACE 2.01e+09 R km 78469D OBT 2000:042:23:59:44 CTUVCDU 12875647 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 66700784.66 ONLVCDU 12875640 OBC Errs 0 OBSID 62177 EPState SUN SIM TTpos -99616 HETG Angle 80.6 PCADMODE NPNT RA 201.326 Bus V 30.40 SIM FApos -715 LETG Angle 79.1 PCONTROL NPNT Dec -38.423 Bus I 28.74 AOFSTAR GUID Roll 57.118 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTNNN Dith Yang -12.32 Yaw Rate 0.10 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang 11.64 Pitch Rate 0.17 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.17 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.38 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta -15.97 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 50.97 SA Resolv 105.91 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 13.53 HRMA power 56.70 -Y SA Amps 14.88 EPHIN Geom LARG OBA power 107.70 +Y SA Temp 116.58 E1300 2 -Y SA Temp 116.22 P4GM 126 Roll Mom. 1.059 SCS 128 P41GM 0 Pitch Mom. 7.723 SCS 129 UpL Cmd Acc 50777 A-Leak 0.3920 Yaw Mom. 1.762 SCS 130 Cmd Rej A 232 B-Leak 0.0600