SOT shift report 2004-04-15 L1729 Written at 2004:106:12:41 UTC = 08:41 AM Apr-15-2004 EDT End 11:00:00 AM EDT SOT Lead: Ed Kellogg PLAN ---- OBSID 04638, Cassiopeia A 2004:105:20:09, ACIS-S NONE - a much deeper exposure that allows us to study nucleosynthesis and core-collapse using Chandra's full spatial resolution. RADIATION SUMMARY ----------------- Solar soft proton flux is very low. (http://www.srl.caltech.edu/ACE/ASC/) Significant solar activity: Solar flare activity level was very low. No C class events were recorded during the day. (http://www.dxlc.com/solar/) CMEs reported for past two days: April 12-14: No fully or partly Earth directed CME observed. (http://www.dxlc.com/solar/- Jan Alvestad) Radiation Measurement Observed Observed/Limit --------------------- -------- -------------- ACE 2hr fluence 1.15e+05 1/3143. (http://www.srl.caltech.edu/ACE/ASC/) GOES-10/P2 4-9 MeV protons `P4GM' 7.75e-02 1/1226 (ftp://ftp2.sec.noaa.gov/pub/lists/pchan/G10pchan_5m.txt) GOES-10/P5 40-80 MeV protons `P41GM' 2.89e-03 1/270 (ftp://ftp2.sec.noaa.gov/pub/lists/pchan/G10pchan_5m.txt) *ACIS* Orbital fluence (since perigee) 2.87E+06 1/348 (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 -119.9 C, at dddZhh:mm:ss 106Z11:58:34 (http://asc.harvard.edu/acis/RT/acisrt.html) REAL TIME OBSERVATIONS UTC OBSID ---------------------- --- ----- - Notes from 9 am meeting ------------------------ OPS: Passes 4 over the last 1 day(s) Dump status Current Data loss None Load is good -> 109:11:03 UTC CAPs - Next passes 106/1640-1840 DSS 46 107/0345-0445 DSS 54 107/1100-1200 DSS 24 MP: The APR1904A load was reviewed yesterday, with only minor comment. We expect to sign off B this morning. S/C: We will uplink an ephemeris update CAP today. GOT/IST: - DATA: No QLs today. SOT: MEETINGS -------- Data ---- On colossus (/dsops/GOT/input), - Apr 15 01:56 2004_105_2022_106_0355_Dump_EM_92272.gz Evaluation of QL data --------------------- Target: SI SOT Eval. ------------------- ---------- ---------- --------------------- NOTES/ISSUES/PROBLEMS --------------------- SNAPSHOT -------- UTC 2004:106:12:33:01 (Apr15) f_ACE 4.50e+01 F_CRM 2.00e+08 Kp 1.3 R km 123435A OBT 2004:106:11:58:12 CTUVCDU 8653439 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 198417492.67 ONLVCDU 8653424 OBC Errs 0 OBSID 4638 EPState SUN SIM TTpos 75623 HETG Angle 79.46 PCADMODE NPNT RA 350.906 Bus V 29.93 SIM FApos -467 LETG Angle 77.59 PCONTROL NPNT Dec 58.815 Bus I 30.26 AOFSTAR GUID Roll 40.181 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang 7.96 Yaw Rate 0.02 HRC-S HV OFF ACA CCD Temp -15.6 Dith Zang 4.06 Pitch Rate 0.04 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.15 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa 0.53 Batt 1 SOC 100.00% Avg HRMA Temp 70.63 FSS Beta 34.82 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 52.97 SA Resolv 55.01 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 RadMon ENAB HRMA power 82.10 SCS 128 ACT -Y SA Amps 15.26 EPHIN Geom LARG OBA power 75.90 SCS 129 ACT +Y SA Temp 112.04 E150 2.2 SCS 130 ACT -Y SA Temp 112.66 E300 0.1 Roll Mom. -0.076 SCS 107 INAC E1300 0.0 Pitch Mom. 1.105 UpL Cmd Acc 64704 EPH A-Leak 1.0200 P4GM 0.0 Yaw Mom. 1.622 Cmd Rej A 244 EPH B-Leak 0.8640 P41GM 0.0 EPH temp 89.48 Gyro 1 Curr 1 7.20 Roll Bias -0.6316 M Unload MON Gyro 1 Curr 2 9.60 Pitch Bias -1.9120 CTX B PWR 36.69 TSC Move STOP Gyro 2 Curr 1 103.20 Yaw Bias -0.9678 CTX B Volts 3.54 FA Move STOP Gyro 2 Curr 2 100.80 OTG Move DISA