Jan_30_2001_M558.txt Shift M558 Start at 2001:030:12:30:00 GMT = 2001 Jan 30 7:30am EST End 2001 Jan 30 11:30am EST SOT shift report 2001-01-30 M558 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Jan_30_2001_M558.txt SOT Lead Mark Freeman SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running JAN2901 on descending leg. Observing 'NGC 2681' with ACIS-S (obsid 2060). Safe for rad belt passage at about 031:0745 UT. Radiation levels high with proton rates 28,000-33,000. EPHIN P4GM was down to 5-9 during this COMM. Radiation telecon at 4pm EST to assess state prior to 4:20pm EST pass Seq # ObsID It Target start time SI Grat RA dec roll slew ---------------------------------------------------------------------------------------------------------- 600194 02060 00 NGC 2681 2001:030:00:56:00.000 82.0 ACIS-S NONE 133.4094 51.3292 178.70 22.95 500178 02001 00 CRAB NEBULA 2001:031:00:15:27.831 24.1 ACIS-S NONE 83.6135 22.0326 273.76 77.84 ---- T_E05 CAL-ER 2001:031:07:45:09.741 7.6 -- -- 355.1300 38.5800 317.29 -0.00 ---- T_X06 CAL-ER 2001:031:17:54:28.749 20.8 -- -- 355.1300 38.5800 320.44 -0.00 600122 01565 00 M31 - SOUTH 2 2001:031:23:57:15.577 1.1 HRC-I NONE 10.0808 40.6763 306.27 12.56 ORBITAL EVENTS: 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 030:2030 Radiation Safing telecon 2100 (see note 2) AOS DSS-16 (Goldstone) 2120 Status during shift was nominal 2151 2060 (see note 1) LOS DSS-16 2220 End of shift 2230 NOTES/ISSUES/PROBLEMS --------------------- 1) Status at 030:2151: UTC 2001:030:21:51:01 (Jan30) f_ACE 3.50e+04 F_ACE 1.62e+09 Kp 1.7 R km 123319D OBT 2001:030:21:50:22 CTUVCDU 16618367 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 97278622.90 ONLVCDU 16618352 OBC Errs 0 OBSID 2060 EPState SUN SIM TTpos 75624 HETG Angle 79.84 PCADMODE NPNT RA 133.412 Bus V 29.77 SIM FApos -467 LETG Angle 78.34 PCONTROL NPNT Dec 51.330 Bus I 32.54 AOFSTAR GUID Roll 178.696 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -5.75 Yaw Rate -0.12 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 4.44 Pitch Rate 0.25 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.09 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa -17.52 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta -49.55 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 50.73 SA Resolv 146.63 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 16.05 RadMon ENAB HRMA power 69.40 SCS 128 ACT -Y SA Amps 16.84 EPHIN Geom LARG OBA power 125.40 SCS 129 ACT +Y SA Temp 117.68 E150 33.0 SCS 130 ACT -Y SA Temp 118.78 E300 0.7 Roll Mom. 0.567 SCS 107 INAC E1300 0.0 Pitch Mom. -3.904 UpL Cmd Acc 46308 EPH A-Leak 0.3520 P4GM 4.7 Yaw Mom. 4.058 Cmd Rej A 241 EPH B-Leak 0.0680 P41GM 0.1 Current Data: UTC 2001:030:21:51:01 (Jan30) f_ACE 3.50e+04 F_ACE 1.62e+09 Kp 1.7 R km 123319D Currently scheduled FPSI, OTG : ACIS-S NONE Costello Kp : 1.67 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 3.50e+04 Orbit Start Time : 2001:029:00:44:00 Geocentric Distance (km), Orbit Leg : 123413 D CRM Region : 1 (Solar_Wind) External Proton Flux (p/cm^2-s-sr-MeV) : 3.50000000000e+04 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 3.50000000000e+04 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.57502853311e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.69976489746e+09 2) Radiation: Telecon held at 4:00pm EST Decided to take no action in 4:20pm EST pass EPHIN P4GM is at 5-9 Fluence now is about 1.7x10**9 will add another ~1.0**9 at 30,000 flux giving 2.7x10**9 orbital dose this orbit. No pre-scheduled telecon before next pass at 9pm EST, however one may be called at 8:45p EST if automatic triggers are tripped or Scott Wolk notes ACE P3 levels above 40k Telecon number is 405-244-5060 passcode 1165#