SOT shift report 2002-09-13 L1149 Start at 2002:256:12:35 UTC = 2002 Sep 13 08:35 am EDT End 11:00 am EDT SOT Lead Ed Kellogg PLAN ---- We are doing a CTI measurement: CAL-ER 2002:256:10:08; then OBSID 02875, G21.5-0.9 [HRC-S, Of 2002:256:16:18, HRC-S NONE - AO3B CALIBRATION OBSERVATIONS THE STANDARD CANDLES CAS A AND G21.5-09 RADIATION SUMMARY ----------------- Solar soft proton flux is low and falling steadily. There was a C3.1 long duration event peaking at 21:23 UTC yesterday, and a similar long duration event today at ~7:00 UTC but no CMEs seen. Radiation Measurement Observed Limit --------------------- -------- ----- ACE 2 hr fluence 7.2e5 3.6e8 GOES-8/P2 4-9 MeV protons `P4GM' 0.09 95. GOES-8/P5 40-80 MeV protons `P41GM' 0.009 0.78 *ACIS* Orbital fluence (since perigee) (in belts) 1.0e9 EPHIN rates (cts/cm^2-s-sr) at last comm. OBSERVED RADMON limit ---------------------------------------- -------- ----------- E1300 (electrons, 2.64 - 6.18 MeV): 0.0 10.0 P4GM (protons, 5.0 - 8.3 MeV): 0.2 300.0 P41GM (protons, 41 - 53 MeV): 0.0 8.47 ACIS focal plane temperature -115.7 at 10:01 am EDT. REAL TIME OBSERVATIONS UTC OBSID ----------------------------------------------------------------- zero fids, 8 stars 1328 61033 Notes from 9 am meeting ------------------------ OPS: Passes 3 over the last 1 day(s) Dumps current Data loss - Load is good -> 260:06:00 UTC CAPs - Next passes 2000, 0210 MP: The SEP1602C products were approved yesterday. The FDB approved promoting OFLS 9.4 -> ops yesterday. This is a very small modification; it adds one parameter for spoiler star limiting magnitude adjustment. The SEP2302 load is in process; products to be out late today or early Monday. S/C: EPHIN exceeded 85 F due to a sequence of observations at unfavorable pitch angle. We will modify our procedures to attempt to minimize such sequences, in addition to single observations in the future. IST: - DATA: - SOT: There were several weak flares yesterday, with a C3.1 long duration event peaking at 21:23. There was also a long duration event of comparable strength today at ~7:00 UTC, but no CMEs yet reported. Low probability of CME to impact earth within 96 hours. Moderate probability of M and X class flares within the next 48 hours. MEETINGS -------- Data ---- On colossus (/dsops/GOT/input), - Sep 12 00:53 2002_254_1208_254_2148_Dump_EM_27612.gz Evaluation of QL data --------------------- Target: OBSID SI SOT Eval. ---------------- -- --------- MRC 2251-178:obs2977 ACIS-S/HETG OK, partial NOTES/ISSUES/PROBLEMS --------------------- Joy Nichols reminded us that NASA named the New Generation Space Telescope after James Webb and selected TRW, Redondo Beach, Calif., as its builder (ftp://ftp.hq.nasa.gov/pub/pao/pressrel/2002/02-171.txt). SNAPSHOT -------- UTC 2002:256:06:16:33 (Sep13) f_ACE 9.30e+01 F_CRM 8.42e+08 Kp 4.0 R km 42389D OBT 2002:256:06:13:09 CTUVCDU 14340223 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 148284789.48 ONLVCDU 14340208 OBC Errs 0 OBSID 61035 EPState SUN SIM TTpos -99616 HETG Angle 6.34 PCADMODE NPNT RA 4.901 Bus V 29.77 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec 22.898 Bus I 35.08 AOFSTAR GUID Roll 151.293 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang -6.23 Yaw Rate 0.19 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang -5.02 Pitch Rate 0.06 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.15 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa -49.65 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -49.91 Batt 2 SOC 100.00% ACIS Stat7-0 66 Avg OBA Temp 50.89 SA Resolv 150.20 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 17.03 RadMon DISA HRMA power 117.60 SCS 128 ACT -Y SA Amps 17.62 EPHIN Geom LARG OBA power 133.00 SCS 129 ACT +Y SA Temp 112.35 E150 31.8 SCS 130 ACT -Y SA Temp 112.97 E300 0.4 Roll Mom. 2.510 SCS 107 INAC E1300 0.0 Pitch Mom. 12.084 UpL Cmd Acc 13635 EPH A-Leak 0.9240 P4GM 0.2 Yaw Mom. -2.006 Cmd Rej A 16 EPH B-Leak 0.1760 P41GM 0.0 Explanation Current Data: UTC 2002:256:12:47:04 (Sep13) f_ACE 1.36e+02 F_CRM 0.00e+00 Kp 2.3 R km 44272A Currently scheduled FPSI, OTG : HRC-S HETG Estimated Kp : 2.33 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.36e+02 GOES-8 P2 flux, in RADMON P4GM units : 0.00 GOES-10 P2 flux, in RADMON P4GM units : 0.00 GOES-8 P5 flux, in RADMON P41GM units : 0.01 GOES-10 P5 flux, in RADMON P41GM units : 0.01 Orbit Start Time : 2002:256:09:29:00 Geocentric Distance (km), Orbit Leg : 43927 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 4.76212000000e+04 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.71213780000e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 0.00000000000e+00 ************************************************************************** See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/