Apr_26_2000_M278.txt Shift M278 Start at 2000:117:20:30:00 GMT = 2000 Apr 26 4:30pm EDT End 2000 Apr 26 6:30pm EDT See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Apr_26_2000_M278.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running Apr2300B: Seq # ObsID Target start SI Grat RA dec roll ------------------------------------------------------------------------------------------- 700115 00810 NGC 4258 2000:117:20:13:40.281 HRC-S LETG 184.7663 47.3235 211.68 700084 00412 NGC 5033 2000:119:14:32:08.986 ACIS-S NONE 198.3512 36.6068 201.68 ORBITAL EVENTS: 2000:116:00:45:45.742 99 EAPOGEE ORBIT APOGEE 2000:117:08:30:00.169 99 EPERIGEE ORBIT PERIGEE 2000:118:16:13:14.321 100 EAPOGEE ORBIT APOGEE 2000:119:23:57:20.931 100 EPERIGEE ORBIT PERIGEE 2000:121:07:40:31.999 101 EAPOGEE ORBIT APOGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 117:2030 AOS DSS-54 (Madrid 34m) 117:2200 810 Chandra status was nominal (see note 1) End of shift 117:2230 LOS DSS-54 (Madrid 34m) 118:0000 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot at 117:2210 was: UTC 2000:117:22:11:01 (Wed Apr 26) f_ACE 2.09e+01 F_ACE 4.41e+05 R km 109697A OBT 2000:117:22:10:16 CTUVCDU 6438472 OBC s/w NRML FMT1_EPS CPEstat OBT 73174216.61 ONLVCDU 6438464 OBC Errs 1 OBSID 810 EPState SUN SIM TTpos -99616 HETG Angle 80.2 PCADMODE NPNT RA 184.776 Bus V 31.02 SIM FApos -990 LETG Angle 4.5 PCONTROL NPNT Dec 47.322 Bus I 28.49 AOFSTAR GUID Roll 211.676 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -16.63 Yaw Rate -0.12 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang -16.43 Pitch Rate 0.02 OBSMode OBSV ACA Int Time 1.698 Roll Rate 0.30 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.25 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta -23.58 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 50.89 SA Resolv 113.46 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 32.70 -Y SA Amps 14.68 EPHIN Geom LARG OBA power 124.50 +Y SA Temp 0.00 E1300 1 -Y SA Temp 0.00 P4GM 1 Roll Mom. -2.607 SCS 128 P41GM 0 Pitch Mom. -5.947 SCS 129 UpL Cmd Acc 26211 A-Leak 0.4280 Yaw Mom. 3.187 SCS 130 Cmd Rej A 69 B-Leak 0.0680 2) Chandra's state at 117:2210 was: WAS EXPECTED PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 184.766 deg 184.766 DEC = 47.323 deg 47.323 ROLL = 211.683 deg 211.683 Format = 1 1 OBSID = 810 810 SIM FA = -990 -991 SIM TSC = -99616 -99616 HETGA = 80.2 deg (OUT) OUT HETGB = 81.0 deg (OUT) OUT LETGA = 7.5 deg (IN) IN LETGB = 4.5 deg (IN) IN EPHIN A-leak = 0.4280 B-leak = 0.0680 EPHIN Geom = LARG E1300 = 1 (RADMON trigger = 1319) P4GM = 1 (RADMON trigger = 3542) P41GM = 0 (RADMON trigger = 100) HRC IM PS = OFF IM Top Step = 0 IM Bot Step = 0 SP PS = ON SP Top Step = 90 SP Bot Step = 102 Shield 1 HV = OFF Shield 2 HV = ON, Step 8 Valid Event Rate 1 = 75 Valid Event Rate 2 = 71 Shield Event Rates = 3800 ACIS FP Temp = -119.9 DEA Pwr = 48.3 DPA Pwr = 41.3 3) ACE 130-214 keV proton flux (p/cm2-s-sr-MeV) and fluence (p/cm2-sr-MeV): Average Flux: 18, steady 2-hour Fluence: 1.27E+05 (SOT alert at 3.6E+8) Orbital Fluence: 3.42E+05 (SOT alert at 1.0E+9) All quiet on the proton front: with the present ACE flux, we are ok. 4) Quick Look data review: There are no new quicklook datasets.