See http://cxc.harvard.edu/mta/SOT_reports/sot-shift.html Shift L4479. Start at 299:12:00 GMT PLAN ---- SCS107 DISA was seen at 2011:299:11:40 pass. OCT2511B was halted by transition to Normal Sun Mode at ~199:04:00. Chandra is safe and power positive at this time. Evaluation and recovery plan is underway. NOTES/ISSUES/PROBLEMS --------------------- From the 9am status meeting: 3 Supports Completed (Total time: 9.5 hours). DSS-54 24 mins late acquiring TLM due to DSS-54 RCVR problems. (298/1945-0040 pass) Solar storm is subsiding and ACE rates are still decreasing. Solar Activity Forecast: Solar activity is expected to be low with a slight chance for M-class activity all three days (26 - 28 October). Regions 1324 (N12W26) and 1330 (N08E29) are the most likely to produce moderate level activity. Science mission resumed at 2011:298:22:35 following radiation shutdown. GOT - no issues. Quick look data: OBSID Target Instr. Status ----- ------ ---------- ------- 14361 RCS2327.4-0204 ACIS-I NONE Next Comms: ----------- (we will have additional extended comms throughout the day for anomaly diagnosis) 299/1825-2040 1925 2025 DSS-54 MADRID 1525-1625 EDT, Wed 26 Oct 300/0245-0500 0345 0445 DSS-27 GOLDSTONE 2345-0045 EDT, Wed 26 Oct 300/1015-1230 1115 1215 DSS-27 GOLDSTONE 0715-0815 EDT, Thu 27 Oct 300/2205-0020 2305 0005 DSS-24 GOLDSTONE 1905-2005 EDT, Thu 27 Oct Current Status: UTC 2011:299:12:50:08 (Oct26) f_ACE 3.59e+03 F_CRM 2.63e+08 Kp 3.3 R km 143332A OBT 2011:299:12:49:38 CTUVCDU 110255 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 436020578.95 ONLVCDU 3104040 OBC Errs 0 OBSID 12370 EPState SUN SIM TTpos -99616 HETG Angle 79.09 PCADMODE NSUN RA 309.644 Bus V 29.14 SIM FApos -467 LETG Angle 77.21 PCONTROL SPNT Dec -33.938 Bus I 27.48 AOFSTAR GUID Roll 286.782 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TRNRNTTN Dith Yang -7.17 Yaw Rate 0.75 HRC-S HV OFF ACA CCD Temp 18.6 Dith Zang 6.97 Pitch Rate 1.65 SHLD HV 0.0 ACA Int Time 0.705 Roll Rate 0.55 EVT RT 0 AOACSTAT OK FSS SunBeta SUN SHLD RT 0 FSS Alfa -0.07 Batt 1 SOC 100.00% Avg HRMA Temp 70.67 FSS Beta -0.27 Batt 2 SOC 100.00% ACIS Stat7-0 67 Avg OBA Temp 60.28 SA Resolv 90.13 Batt 3 SOC 100.00% Cold Rad -127.9 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -89.3 OBA Trng Fault NFLT +Y SA Amps 13.33 RadMon DISA HRMA power 109.90 SCS 128 INAC -Y SA Amps 13.33 EPHIN Geom VLD OBA power 43.20 SCS 129 INAC +Y SA Temp 115.85 E150 760.0 SCS 130 INAC -Y SA Temp 116.22 E300 0.0 Roll Mom. 0.016 SCS 107 DISA E1300 0.0 Pitch Mom. -2.389 UpL Cmd Acc 55852 EPH A-Leak 1.0200 Yaw Mom. 6.478 Cmd Rej A 98 EPH B-Leak 0.6440 PMTANKP 170.915 EPH temp 133.94 Gyro 2 Curr 1 100.80 Roll Bias -0.5522 EPH 27I 7.03 M Unload MON Gyro 2 Curr 2 117.60 Pitch Bias -1.6518 TSC Move STOP Prop. line 03 125.35 Yaw Bias -0.7488 CTX B PWR 36.73 FA Move STOP Prop. line 04 116.70 CTX B Volts 3.54 OTG Move DISA UTC 2011:299:12:50:08 (Oct26) f_ACE 3.59e+03 F_CRM 2.63e+08 Kp 3.3 R km 143332A Currently scheduled FPSI, OTG : HRC-S NONE Estimated Kp : 3.33 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 3.59e+03 GOES-15 P2 flux, in RADMON P4GM units : 0.88 GOES-13 P2 flux, in RADMON P4GM units : 0.72 GOES-15 P5 flux, in RADMON P41GM units : 0.13 GOES-13 P5 flux, in RADMON P41GM units : 0.19 GOES-13 E > 2.0 MeV flux (p/cm^2-s-sr) : 0.0 Orbit Start Time : 2011:298:13:44:01 Geocentric Distance (km), Orbit Leg : 143302 A CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 7.3831e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.0000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.2767e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.6321e+08