Feb_24_2000_M216.txt Shift M216 Start at 2000:055:20:00:00 GMT = 2000 Feb 24 3:00pm EST End 2000 Feb 24 7:00pm EST See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Feb_24_2000_M216.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running load FEB20D. Current Obs: 01523, Clone of 949, 2000:055:10:12, ACIS-I NONE, 281.0025 -4.1015 81.09 Next Obs: 62154, CAL-ER, 2000:056:03:09, -- -- , 245.8630 -13.0560 80.45 ORBITAL EVENTS: 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 055:2000 AOS DSS-24 (Goldstone 34m) 055:2245 1523 Chandra status AOS was nominal (see note 1) LOS DSS-24 (Goldstone 34m) 056:0000 End of shift 056:0000 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot at AOS: UTC 2000:055:22:59:01 (Thu Feb 24) f_ACE 5.12e+02 F_ACE 1.18e+08 R km 111191D OBT 2000:055:22:58:38 CTUVCDU 2322431 OBC s/w NRML FMT2_SSR CPEstat OBT 67820318.57 ONLVCDU 2322416 OBC Errs 0 OBSID 1523 EPState SUN SIM TTpos 92903 HETG Angle 80.6 PCADMODE NPNT RA 281.004 Bus V 30.55 SIM FApos -535 LETG Angle 79.1 PCONTROL NPNT Dec -4.101 Bus I 27.73 AOFSTAR GUID Roll 81.086 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang 2.14 Yaw Rate -0.02 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang 4.63 Pitch Rate -0.04 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.06 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.01 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta 33.45 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 51.05 SA Resolv 55.91 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 13.14 HRMA power 33.00 -Y SA Amps 14.30 EPHIN Geom LARG OBA power 65.20 +Y SA Temp 115.12 E1300 1 -Y SA Temp 115.12 P4GM 4 Roll Mom. 12.678 SCS 128 P41GM 0 Pitch Mom. 4.026 SCS 129 UpL Cmd Acc 9505 A-Leak 0.2280 Yaw Mom. 7.089 SCS 130 Cmd Rej A 52 B-Leak 0.0360 2) Chandra's state at 055:2250 was: WAS EXPECTED PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 281.0025 deg 281.0025 DEC = -4.1015 deg -4.1015 ROLL = 81.09 deg 81.09 Format = 2 2 OBSID = 1523 1523 SIM FA = -535 -536 SIM TSC = 92903 92904 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 = 0.2280 B-leak = 0.0360 EPHIN Geom = LARG E1300 = 1 (RADMON trigger = 1319) P4GM = 4 (RADMON trigger = 118) P41GM = 0 (RADMON trigger = 100) HRC SP PS = OFF IM PS = ON IM Top Step = 42 IM Bot Step = 53 Shield 1 HV = OFF Shield 2 HV = ON, Step 8 Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 4200 ACIS FP Temp = -119.9 DEA Pwr = 43.2 DPA Pwr = 40.2 3) ACE 130-214 keV proton flux (p/cm2-s-sr-MeV) and fluence (p/cm2-sr-MeV): Average Flux: 610, decreasing 2-hour Fluence: 4.40E+6 (SOT alert at 3.6E+8) Orbital Fluence: 1.12E+8 (SOT alert at 1.0E+9) With the present ACE flux, we are ok. 4) Quick Look data review: There are no new quicklook datasets.