Jan_29_2001_M557.txt Shift M557 Start at 2001:029:20:30:00 GMT = 2001 Jan 29 3:30pm EST End 2001 Jan 29 5:30pm EST SOT shift report 2001-01-29 M557 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Jan_29_2001_M557.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running JAN2201D load. Seq # ObsID Target start SI Grat RA dec roll ------------------------------------------------------------------------------------------ 800163 02224 MS0839.9+2938 2001:029:16:06:34.150 ACIS-S NONE 130.7337 29.4734 187.21 600194 02060 NGC 2681 2001:030:00:56:00.000 ACIS-S NONE 133.4094 51.3292 178.70 ORBITAL EVENTS: 2001:029:00:38:40.420 204 EPERIGEE ORBIT PERIGEE 2001:030:08:22:26.464 205 EAPOGEE ORBIT APOGEE 2001:031:16:06:19.913 205 EPERIGEE ORBIT PERIGEE 2001:032:23:50:46.153 206 EAPOGEE ORBIT APOGEE 2001:034:07:35:11.162 206 EPERIGEE ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 029:2030 AOS DSS-24 (Goldstone 34m) 029:2100 02224 LOS DSS-24 (Goldstone 34m) 029:2200 End of shift 029:2230 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at end of comm: UTC 2001:029:21:59:02 (Jan29) f_ACE 4.94e+03 F_ACE 1.17e+08 Kp 2.7 R km 130816A OBT 2001:029:21:58:39 CTUVCDU 16283135 OBC s/w NRML FMT2_NORM CPEstat NORM OBT 97192719.73 ONLVCDU 16283120 OBC Errs 0 OBSID 2224 EPState SUN SIM TTpos 75624 HETG Angle 79.84 PCADMODE NPNT RA 130.737 Bus V 29.61 SIM FApos -467 LETG Angle 78.34 PCONTROL NPNT Dec 29.471 Bus I 35.08 AOFSTAR GUID Roll 187.205 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -7.97 Yaw Rate -0.02 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang -7.69 Pitch Rate 0.19 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.14 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa -49.63 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta -49.78 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 50.42 SA Resolv 168.39 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 16.84 RadMon ENAB HRMA power 94.40 SCS 128 ACT -Y SA Amps 18.02 EPHIN Geom LARG OBA power 208.00 SCS 129 ACT +Y SA Temp 116.95 E150 145.4 SCS 130 ACT -Y SA Temp 116.58 E300 2.8 Roll Mom. 1.535 SCS 107 INAC E1300 0.1 Pitch Mom. 5.720 UpL Cmd Acc 44732 EPH A-Leak 0.3160 P4GM 79.9 Yaw Mom. 2.598 Cmd Rej A 208 EPH B-Leak 0.0600 P41GM 0.0 Current Data: UTC 2001:029:22:18:01 (Jan29) f_ACE 4.61e+03 F_ACE 1.23e+08 Kp 2.7 R km 131472A Currently scheduled FPSI, OTG : ACIS-S NONE Costello Kp : 2.67 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 4.61e+03 Orbit Start Time : 2001:029:00:44:00 Geocentric Distance (km), Orbit Leg : 131337 A CRM Region : 1 (Solar_Wind) External Proton Flux (p/cm^2-s-sr-MeV) : 4.61000000000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 4.61000000000e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.06800253311e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.92738897459e+08 HRC IM PS = OFF, 0, 0 SP PS = ON, 43, 54 Shield 1 HV = OFF, 0 Shield 2 HV = OFF, 0 Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 0 2) Radiation --------- ACE 2 hr fluence is 3.3e7 vs. threshold 3.6e8. Orbital fluence is 1.2e8 vs. threshold 1.0e9. EPHIN P4GM rates are about 80 cts/cm2-s-sr (c.f. OBC threshold = 300). GOES proton monitor rates are decreasing. ACE SIS rates are decreasing. ACE EPAM P3 rates may be leveling off. A telecon was held at 3:50 pm EST, where it was decided to just keep watching. The SOT will issue an alert if P3 rates are around 40000+ cts/cm2-s-sr approaching the next DSN comm (at 0450 UTC). 3) Quick look data --------------- There were no new quick data on this shift. 4) Other. The ACIS EGSE computer emily was not receiving realtime telemetry. Problem traced to incomplete re-cycling of GOT connection after LOS. Telemetry receipt on emily should be confirmed in the next SOT shift.