SOT shift report 2002-09-18 L1154 Start at 2002:261:11:35 UTC = 2002 Sep 18 07:35 am EDT End 12:55 pm EDT SOT Lead Ed Kellogg PLAN ---- RADIATION SUMMARY ----------------- Solar soft proton flux has been very low but is increasing. There was dual C8 very long duration event peaking at 07:30 and 08:20 UTC yesterday with a full halo CME. We can expect that to affect Chandra. Radiation Measurement Observed Limit --------------------- -------- ----- ACE 2 hr fluence 2.0e6 3.6e8 GOES-8/P2 4-9 MeV protons `P4GM' 0.1 95. GOES-8/P5 40-80 MeV protons `P41GM' 0.01 0.78 *ACIS* Orbital fluence (since perigee) (rad) 1.0e9 EPHIN rates (cts/cm^2-s-sr) at last comm. OBSERVED RADMON limit ---------------------------------------- -------- ----------- E1300 (electrons, 2.64 - 6.18 MeV): (rad) 10.0 P4GM (protons, 5.0 - 8.3 MeV): (rad) 300.0 P41GM (protons, 41 - 53 MeV): (rad) 8.47 ACIS focal plane temperature -119.9 at 12:56 pm EDT. REAL TIME OBSERVATIONS UTC OBSID ----------------------------------------------------------------- Notes from 9 am meeting ------------------------ OPS: Passes over the last 1 day(s) Dumps current Data loss - Load is good -> CAPs - Next passes 1600, 0245 MP: S/C: IST: - DATA: - SOT: Long duration double event yesterday with full halo CME may be responsible for increases in soft proton flux being seen now, and may impact us further in the next day or so. High probability of CME to impact earth within 96 hours. High probability of M and X class flares within the next 48 hours. MEETINGS -------- Data ---- On colossus (/dsops/GOT/input), - Sep 18 11:16 2002_260_2344_261_0737_Dump_EM_29665.gz Evaluation of QL data --------------------- Target: OBSID SI SOT Eval. ---------------- -- --------- AXJ1511.7+5702:obs3332_1 ACIS-S OK PSS1342+4944:obs2963_0 ACIS-S OK A2259: obs3245_1 ACIS-I OK GRS 1758-258:obs2727_0 HRC-I OK PSRJ1420-6048:obs2792_0 ACIS-S OK PSRJ1420-6048:obs2793_0 ACIS-S cc mode MACSJ0152.5-2852:obs3264_0 ACIS-I OK NOTES/ISSUES/PROBLEMS --------------------- SNAPSHOT -------- TC 2002:261:16:55:46 (Sep18) f_ACE 2.79e+02 F_CRM 0.00e+00 Kp 2.0 R km 28799A OBT 2002:261:16:55:05 CTUVCDU 16176372 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 148755305.96 ONLVCDU 16176360 OBC Errs 0 OBSID 61029 EPState SUN SIM TTpos -99616 HETG Angle 79.46 PCADMODE NPNT RA 112.899 Bus V 30.40 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec 45.002 Bus I 26.72 AOFSTAR GUID Roll 71.301 ACA Object SSSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang 7.33 Yaw Rate 0.29 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang -6.29 Pitch Rate 0.01 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.08 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.14 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta 19.71 Batt 2 SOC 100.00% ACIS Stat7-0 66 Avg OBA Temp 51.45 SA Resolv 69.80 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 12.56 RadMon DISA HRMA power 9.60 SCS 128 ACT -Y SA Amps 13.91 EPHIN Geom SMAL OBA power 24.20 SCS 129 ACT +Y SA Temp 112.04 E150 120195.1 SCS 130 ACT -Y SA Temp 111.74 E300 19902.4 Roll Mom. -0.004 SCS 107 INAC E1300 4105.7 Pitch Mom. 20.758 UpL Cmd Acc 19714 EPH A-Leak 1.0200 P4GM 9777.8 Yaw Mom. 3.052 Cmd Rej A 197 EPH B-Leak 0.6320 P41GM 18.8 Explanation Current Data: UTC 2002:261:16:55:46 (Sep18) f_ACE 2.79e+02 F_CRM 0.00e+00 Kp 2.0 R km 28799A Currently scheduled FPSI, OTG : HRC-S NONE Estimated Kp : 2.67 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.79e+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 : 0.02 GOES-10 P5 flux, in RADMON P41GM units : 0.01 Orbit Start Time : 2002:261:16:24:00 Geocentric Distance (km), Orbit Leg : 28719 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 0.00000000000e+00 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/