SOT shift report 2004-08-26 L1862 Written at 2004:239:13:35 UTC = 09:35 AM Aug-26-2004 EDT End 11:00:00 AM EDT SOT Lead: Ed Kellogg EPHIN rail voltage droop event yesterday at 11:30 - 23:00 UTC. PLAN ---- OBSID CAL-ER (60081) 2004:238:13:18, then 04945, Abell 13 2004:238:13:45, ACIS-S NONE - Filamentary Radio Relics in Clusters of Galaxies: Radio Bubbles or Merger Shocks? RADIATION SUMMARY ----------------- Solar soft proton flux is Very low (http://www.srl.caltech.edu/ACE/ASC/) Significant solar activity: The solar flare activity level was low. A single C class event was recorded yesterday. (http://www.dxlc.com/solar/) CMEs reported for past two days: August 23-25: No obviously Earth directed CMEs were detected in LASCO images. (http://www.dxlc.com/solar/- Jan Alvestad) Radiation Measurement Observed Observed/Limit --------------------- -------- -------------- ACE 2 hr fluence 1.61e+05 1/2237.1 (http://www.srl.caltech.edu/ACE/ASC/) GOES-10/P2 4-9 MeV protons `P4GM' 2.58e-02 1/3682 (ftp://ftp2.sec.noaa.gov/pub/lists/pchan/G10pchan_5m.txt) GOES-10/P5 40-80 MeV protons `P41GM' 9.66e-03 1/81 (ftp://ftp2.sec.noaa.gov/pub/lists/pchan/G10pchan_5m.txt) *ACIS* Orbital fluence (since perigee) 2.17E+06 1/460.8 (http://asc.harvard.edu/mta/alerts/current.dat) EPHIN rates (cts/cm^2-s-sr) at last comm. OBSERVED RADMON limit or observed/limit ---------------------------------------- -------- ----------------------------- E1300 (2.64-6.18 MeV electrons): 0.0 10 P4GM (5-8.3 MeV protons): 0.0 300 P41GM (41-53 MeV protons): 0.0 8.47 (http://cxc.harvard.edu/cgi-gen/mta/Snap/snap.cgi?action=Latest) ACIS focal plane temperature -119.7 C, at dddZhh:mm:ss 239Z12:37:54 (http://asc.harvard.edu/acis/RT/acisrt.html) REAL TIME OBSERVATIONS UTC OBSID ---------------------- --- ----- - Notes from 9 am meeting ------------------------ OPS: Passes 3 Supports Completed (1 34 Meter, 2 26 Meter) from 238/1300 - 239/1300 Dump status Current Data loss None Last load segment ends 2004:242:17:50 CAPs, last 24h: None Next passes 2004:239:10:00 2004:239:18:35 2004:240:00:00 2004:240:10:00 2004:240:18:30 MP: In yesterday's review of AUG3004A, there was an OFLS error from the maneuver module about reading the ephemeris/orbit-event file. We had to use a previous ephemeris/orbit-event file. The B products will be out this morning. S/C: Dan Schwartz asked if we had a firm time limit (50-60 ks) on 90 deg. pitch observations. Answer: no. Eric suggests that we may have experienced the EPHIN rail voltage drop because of an off-nominal roll angle. Roger asked that we update the DDTS, flight note and quarterly report to include this EPHIN anomaly. Next Tuesday, we plan to execute a CAP to add the HRC data to EPHIN data for rad monitoring. We'll review the CAP on Monday. GOT/IST: Harold reported that we are making good progress on the migration to LINUX. We have completed configuring the ground system and network and are ready to begin dry run testing. DATA: SOT: Goes X-ray flux - One short duration C class event yesterday and today. MEETINGS -------- Data ---- On colossus (/dsops/GOT/input), - Aug 25 19:24 2004_238_1131_238_1942_Dump_EM_73206.gz. Evaluation of QL data --------------------- Target: SI SOT Eval. ------------------- ---------- ---------- 1E0657-56: obs4986_0 Detector: ACIS-I OK obs 4946 partial looks good so far --------------------- NOTES/ISSUES/PROBLEMS --------------------- EPHIN rail voltage droop event yesterday at 11:30 - 23:00 UTC. SNAPSHOT -------- UTC 2004:239:12:40:07 (Aug26) f_ACE 2.46e+01 F_CRM 2.32e+08 Kp 1.7 R km 113271D OBT 2004:239:12:37:52 CTUVCDU 3174783 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 209911072.36 ONLVCDU 3174768 OBC Errs 0 OBSID 4640 EPState SUN SIM TTpos 72440 HETG Angle 79.46 PCADMODE NPNT RA 83.948 Bus V 30.24 SIM FApos -467 LETG Angle 4.09 PCONTROL NPNT Dec -69.310 Bus I 27.22 AOFSTAR GUID Roll 105.076 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -7.61 Yaw Rate 0.26 HRC-S HV ON ACA CCD Temp -15.6 Dith Zang 5.53 Pitch Rate 0.16 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.24 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa 5.42 Batt 1 SOC 100.00% Avg HRMA Temp 70.63 FSS Beta -3.47 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 52.41 SA Resolv 93.31 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 13.14 RadMon ENAB HRMA power 15.50 SCS 128 ACT -Y SA Amps 13.72 EPHIN Geom LARG OBA power 102.90 SCS 129 ACT +Y SA Temp 110.51 E150 1.1 SCS 130 ACT -Y SA Temp 110.82 E300 0.1 Roll Mom. 11.629 SCS 107 INAC E1300 0.0 Pitch Mom. -5.244 UpL Cmd Acc 4222 EPH A-Leak 1.0200 P4GM 0.0 Yaw Mom. 3.431 Cmd Rej A 127 EPH B-Leak 0.9440 P41GM 0.0 EPH temp 91.63 Gyro 1 Curr 1 9.60 Roll Bias -0.7204 M Unload MON Gyro 1 Curr 2 9.60 Pitch Bias -1.9500 CTX B PWR 36.69 TSC Move STOP Gyro 2 Curr 1 103.20 Yaw Bias -1.0327 CTX B Volts 3.54 FA Move STOP Gyro 2 Curr 2 98.40 OTG Move DISA