SOT shift report 2002-09-23 L1159 Start at 2002:266:11:35 UTC = 2002 Sep 23 08:35 am EDT End 11:00 am EDT SOT Lead Ed Kellogg PLAN ---- OBSID 04288, RXJ1856.5-3754 2002:266:12:36, HRC-I NONE - CALIBRATION OF ACIS PARTICLE BACKGROUND AND HRC QUANTUM EFFICIENCY then CAL-ER, down into perigee. RADIATION SUMMARY ----------------- Solar soft proton flux is moderate. There was no significant solar activity, nor were any CMEs reported for the past two days. Radiation Measurement Observed Limit --------------------- -------- ----- ACE 2 hr fluence 1.0e6 3.6e8 GOES-8/P2 4-9 MeV protons `P4GM' 0.06 95. GOES-8/P5 40-80 MeV protons `P41GM' 0.01 0.78 *ACIS* Orbital fluence (since perigee) 1.7e7 1.0e9 EPHIN rates (cts/cm^2-s-sr) at last comm. OBSERVED RADMON limit ---------------------------------------- -------- ----------- E1300 (electrons, 2.64 - 6.18 MeV): 0.1 10.0 P4GM (protons, 5.0 - 8.3 MeV): 0.0 300.0 P41GM (protons, 41 - 53 MeV): 0.0 8.47 ACIS focal plane temperature -119.7 at 7:49 am EDT. REAL TIME OBSERVATIONS UTC OBSID ----------------------------------------------------------------- Maneuvering 1530 Notes from 9 am meeting ------------------------ OPS: Passes 9 over the last 3 day(s) Dumps current Data loss - Load is good -> 269:13:22 UTC CAPs - Next passes 1455, 0000, 0610 MP: SEP3002 load products will be out for email review late today. S/C: - GOT/IST: The EHS will be down tomorrow from noon to 4 pm. DATA: Twelve quick looks today! SOT: Very minor activity on the Sun for the past two days. Low probability of CME to impact earth within 96 hours. Moderate probability of M and X class flares within the next 48 hours. MEETINGS -------- ACA contingency planning meeting at 11 am. To prepare a preliminary fault tree analysis, as part of the examination of all possible failures on the spacecraft. Data ---- On colossus (/dsops/GOT/input), - 2002_265_2336_266_0735_Dump_EM_31290.gz Evaluation of QL data --------------------- Target: OBSID SI SOT Eval. ---------------- -- --------- NGC 1332:obs4372_0 ACIS-S OK NGC1600:obs4371_0 ACIS-S OK NGC2146: obs3132_0 ACIS-S OK H230236:obs3304_0 ACIS-I nothing obvious 3C401:obs3083_0 ACIS-S OK PSRJ1420-6048:obs2794_0 ACIS-S OK 3C401:obs4370_0 ACIS-S OK NGC7052: obs2931_2 ACIS-S OK DEM L152:obs3356_0 ACIS-S OK BRB0305-4957:obs3031_0 ACIS-S OK 3CR184 CLUSTER:obs3226_0 ACIS-S nothing obvious BR0308-1734:obs3154_0 ACIS-S nothing obvious NOTES/ISSUES/PROBLEMS --------------------- SNAPSHOT -------- UTC 2002:266:11:52:20 (Sep23) f_ACE 1.06e+02 F_CRM 1.37e+09 Kp 1.3 R km 90957D OBT 2002:266:11:49:06 CTUVCDU 1013375 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 149168946.47 ONLVCDU 1013360 OBC Errs 0 OBSID 2541 EPState SUN SIM TTpos 92903 HETG Angle 79.46 PCADMODE NPNT RA 5.116 Bus V 30.08 SIM FApos -535 LETG Angle 77.96 PCONTROL NPNT Dec -69.640 Bus I 32.28 AOFSTAR GUID Roll 5.188 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang 6.92 Yaw Rate 0.19 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang -7.85 Pitch Rate 0.06 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.14 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.29 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -20.48 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 51.29 SA Resolv 110.38 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 15.66 RadMon ENAB HRMA power 0.00 SCS 128 ACT -Y SA Amps 16.25 EPHIN Geom LARG OBA power 102.50 SCS 129 ACT +Y SA Temp 112.04 E150 4.2 SCS 130 ACT -Y SA Temp 112.04 E300 0.1 Roll Mom. -2.272 SCS 107 INAC E1300 0.1 Pitch Mom. -10.965 UpL Cmd Acc 27996 EPH A-Leak 1.0200 P4GM 0.0 Yaw Mom. 4.260 Cmd Rej A 131 EPH B-Leak 0.7120 P41GM 0.0 Explanation Current Data: UTC 2002:266:12:48:04 (Sep23) f_ACE 9.68e+01 F_CRM 1.40e+09 Kp 1.3 R km 86647D Currently scheduled FPSI, OTG : HRC-I NONE Estimated Kp : 1.33 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 9.40e+01 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 : 2002:264:07:49:01 Geocentric Distance (km), Orbit Leg : 86970 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 1.28290000000e+04 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.46774072744e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.40000022744e+09 ************************************************************************** See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/