Feb_21_2000_M213.txt Shift M213 Start at 2000:052:20:00:00 GMT = 2000 Feb 21 3:00pm EST End 2000 Feb 21 6:00pm EST See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Feb_21_2000_M213.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running load FEB20D. Current Obs: 00344, NGC 1068, 2000:052:16:11, ACIS-S NONE, 40.6514 -0.0028 281.64 Next Obs: 00370, NGC 1068, 2000:053:06:01, ACIS-S NONE, 40.6515 -0.0028 281.44 ORBITAL EVENTS: 2000:052:13:42:50.521 75 EAPOGEE ORBIT APOGEE 2000:053:21:27:19.841 75 EPERIGEE ORBIT PERIGEE 2000:055:05:10:25.703 76 EAPOGEE ORBIT APOGEE 2000:056:12:54:02.057 76 EPERIGEE ORBIT PERIGEE 2000:057:20:37:50.176 77 EAPOGEE ORBIT APOGEE 2000:059:04:21:33.402 77 EPERIGEE ORBIT PERIGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 052:2000 AOS DSS-24 (Goldstone 34m) 052:2135 344 Chandra status AOS was nominal (see note 1) LOS DSS-24 (Goldstone 34m) 052:2245 End of shift 052:2300 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot at AOS: UTC 2000:052:21:40:01 (Mon Feb 21) f_ACE 3.71e+02 F_ACE 6.97e+08 R km 138156D OBT 2000:052:21:39:37 CTUVCDU 1292415 OBC s/w NRML FMT2_EPS CPEstat NORM OBT 67556377.04 ONLVCDU 1292400 OBC Errs 0 OBSID 344 EPState SUN SIM TTpos 75623 HETG Angle 80.6 PCADMODE NPNT RA 40.650 Bus V 30.55 SIM FApos -467 LETG Angle 79.1 PCONTROL NPNT Dec -0.002 Bus I 28.49 AOFSTAR GUID Roll 281.637 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang -2.77 Yaw Rate -0.01 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang 5.79 Pitch Rate 0.20 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.06 Door OP ACT AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.37 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta 23.20 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 51.13 SA Resolv 66.80 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 13.53 HRMA power 37.60 -Y SA Amps 14.68 EPHIN Geom LARG OBA power 104.50 +Y SA Temp 115.12 E1300 1 -Y SA Temp 115.49 P4GM 1 Roll Mom. 12.116 SCS 128 P41GM 0 Pitch Mom. -2.551 SCS 129 UpL Cmd Acc 5065 A-Leak 0.3720 Yaw Mom. 0.873 SCS 130 Cmd Rej A 205 B-Leak 0.0600 2) Chandra's state at 052:2140 was: WAS EXPECTED PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 40.650 deg 40.6514 DEC = -0.002 deg -0.0028 ROLL = 281.637 deg 281.64 Format = 2 2 OBSID = 344 344 SIM FA = -467 -468 SIM TSC = 75623 75624 HETGA = 80.59 deg (OUT) OUT HETGB = 81.34 deg (OUT) OUT LETGA = 80.21 deg (OUT) OUT LETGB = 79.09 deg (OUT) OUT EPHIN A-leak = 0.3720 B-leak = 0.0600 EPHIN Geom = LARG E1300 = 1 (RADMON trigger = 1319) P4GM = 1 (RADMON trigger = 118) P41GM = 0 (RADMON trigger = 100) HRC SP PS = OFF IM PS = ON IM Top Step = 77 IM Bot Step = 89 Shield 1 HV = OFF Shield 2 HV = ON, Step 8 Valid Event Rate 1 = 55 Valid Event Rate 2 = 39 Shield Event Rates = 3900 ACIS FP Temp = -119.7 DEA Pwr = 54.0 DPA Pwr = 41.5 3) ACE 130-214 keV proton flux (p/cm2-s-sr-MeV) and fluence (p/cm2-sr-MeV): ACIS IN: 052:1555 ACIS OUT: 053:1230 Time in: 20 hours and 35 minutes == 74100 seconds Average Flux: 370, steady 2-hour Fluence: 2.65E+6 (SOT alert at 3.6E+8) Orbital Fluence: 6.97E+8 (SOT alert at 1.0E+9) At the present ACE flux, we are ok.