SOT shift report 2004-09-20 L1887 Written at 2004:264:13:41 UTC = 09:41 AM Sep-20-2004 EDT End 11:00:00 AM EDT SOT Lead: Ed Kellogg EPHIN 27V power supply voltage has dropped again due to excess temperature. PLAN ---- OBSID 06104, Abell 2204 2004:264:11:42, ACIS-I NONE - Probing dark energy using the X-ray gas mass fraction in dynamically relaxed galaxy clusters then OBSID 05027, SWIRE LOCKMAN 4 2004:264:15:00, ACIS-I NONE RADIATION SUMMARY ----------------- Solar soft proton flux is low (http://www.srl.caltech.edu/ACE/ASC/) Significant solar activity: The solar flare activity level was low. There were four C class events recorded yesterday. (http://www.dxlc.com/solar/) CMEs reported for past two days: September 13-15: No obviously Earth directed CMEs were observed. (http://www.dxlc.com/solar/- Jan Alvestad) Radiation Measurement Observed Observed/Limit --------------------- -------- -------------- ACE 2 hr fluence 1.05e+06 1/342.8 (http://www.srl.caltech.edu/ACE/ASC/) GOES-10/P2 4-9 MeV protons `P4GM' 5.30e+00 1/18 (ftp://ftp2.sec.noaa.gov/pub/lists/pchan/G10pchan_5m.txt) GOES-10/P5 40-80 MeV protons `P41GM' 1.98e-02 1/39 (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 ---------------------------------------- -------- E1300 (2.64-6.18 MeV electrons): 8.4; RADMON limit = 10 P4GM (5-8.3 MeV protons): 12.3; RADMON limit = 300 P41GM (41-53 MeV protons): 0.0; RADMON limit = 8.47 (http://cxc.harvard.edu/cgi-gen/mta/Snap/snap.cgi?action=Latest) ACIS focal plane temperature -119.5 C, at dddZhh:mm:ss 264Z13:46:32 (http://asc.harvard.edu/acis/RT/acisrt.html) REAL TIME OBSERVATIONS UTC OBSID ---------------------- --- ----- 3 fids, 5 stars 1338 6104 Notes from 9 am meeting ------------------------ OPS: Passes 9 Supports Completed (5 34 Meter, 4 26 Meter) from 261/1300 - 264/1300 Dump status Current Data loss None Last load segment ends 2004:268:00:30 CAPs, last 24h: None Note: EPHIN 27V Next passes 2004:264:21:00 2004:265:02:45 2004:265:10:00 MP: - S/C: - GOT/IST: We are in split string mode. DATA: SOT: Goes X-ray flux - Three C class events yesterday, one of long duration; two very short C events today. At the current pass (2004:264:13:00-14:00 UT) the EPHIN 27V supply was undergoing another episode of the 27V supply being current limited. The EPHIN particle readings were elevated as a result. By the time the snapshot was read for this report, 2004:264:13:38:44, rates had returned to normal low values. MEETINGS -------- Data ---- On colossus (/dsops/GOT/input), - Sep 20 07:34 2004_263_2109_264_0546_Dump_EM_88295.gz. Evaluation of QL data --------------------- Target: SI SOT Eval. ------------------- ---------- ---------- SWIRE LOCKMAN 2: obs5025_1 Detector: ACIS-I OK SWIRE LOCKMAN 1: obs5024_1 Detector: ACIS-I OK SWIRE LOCKMAN 1: obs5026_1 Detector: ACIS-I OK CL0853+5759: obs4925 Detector: ACIS-I OK --------------------- NOTES/ISSUES/PROBLEMS --------------------- SNAPSHOT -------- UTC 2004:264:13:39:05 (Sep20) f_ACE 2.30e+02 F_CRM 8.78e+07 Kp 2.0 R km 81037A OBT 2004:264:13:38:44 CTUVCDU 11618303 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 212074724.34 ONLVCDU 11618288 OBC Errs 0 OBSID 6104 EPState SUN SIM TTpos 92903 HETG Angle 79.46 PCADMODE NPNT RA 248.165 Bus V 29.93 SIM FApos -535 LETG Angle 77.59 PCONTROL NPNT Dec 5.576 Bus I 28.24 AOFSTAR GUID Roll 271.087 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang 7.67 Yaw Rate -0.27 HRC-S HV OFF ACA CCD Temp -15.6 Dith Zang -4.10 Pitch Rate -0.08 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.06 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.25 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta 19.56 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 53.99 SA Resolv 70.24 Batt 3 SOC 100.00% Cold Rad -125.5 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -82.0 OBA Trng Fault NFLT +Y SA Amps 13.72 RadMon ENAB HRMA power 106.70 SCS 128 ACT -Y SA Amps 14.10 EPHIN Geom SMAL OBA power 67.40 SCS 129 ACT +Y SA Temp 112.66 E150 1817.1 SCS 130 ACT -Y SA Temp 113.58 E300 57.7 Roll Mom. -9.179 SCS 107 INAC E1300 8.4 Pitch Mom. 6.113 UpL Cmd Acc 43007 EPH A-Leak 1.0200 P4GM 12.3 Yaw Mom. 7.903 Cmd Rej A 120 EPH B-Leak 0.0000 P41GM 0.0 EPH temp 102.38 Gyro 1 Curr 1 9.60 Roll Bias -0.7378 M Unload MON Gyro 1 Curr 2 9.60 Pitch Bias -1.9571 CTX A PWR 36.43 TSC Move STOP Gyro 2 Curr 1 103.20 Yaw Bias -1.0447 CTX A Volts 3.52 FA Move STOP Gyro 2 Curr 2 98.40 OTG Move DISA