Sep_17_2002_L1153.txt Shift L1153 Start at 2002:260:13:00:00 UTC = 2002 September 17 9:00am EDT End 2002 September 17 12:00pm EDT SOT shift report 2002-09-17 L1153 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Sep_17_2002_L1153.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running SEP1602C load. Seq # ObsID It Constr. Target Start Time SI Grat RA Dec Roll Slew --------------------------------------------------------------------------------------------------------------- 800264 P1 03264 00 0 MACSJ0152.5-2852 2002:260:08:19:47.771 17.7 ACIS-I NONE 28.1596 -28.8865 56.32 134.61 700529 03090 00 0 PICTOR A - WEST 2002:260:13:42:12.115 47.0 ACIS-S NONE 79.8803 -45.7903 87.92 43.60 600252 02915 00 0 NGC 1332 2002:261:03:08:31.132 18.8 ACIS-S NONE 51.5907 -21.3236 78.41 34.28 ORBITAL EVENTS: 2002:259:00:50:42.431 EPERIGEE 429 ORBIT PERIGEE 2002:260:08:33:46.278 EAPOGEE 430 ORBIT APOGEE 2002:261:16:17:54.830 EPERIGEE 430 ORBIT PERIGEE 2002:263:00:01:27.408 EAPOGEE 431 ORBIT APOGEE 2002:264:07:44:52.545 EPERIGEE 431 ORBIT PERIGEE 2002:265:15:29:00.591 EAPOGEE 432 ORBIT APOGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 260:1300 AOS DSS-54 (Madrid 34m) 260:1450 3090 LOS DSS-54 (Madrid 34m) 260:1550 End of shift 260:1600 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot: UTC 2002:260:15:00:09 (Sep17) f_ACE 2.08e+01 F_CRM 1.55e+08 Kp 2.3 R km 129698D OBT 2002:260:14:59:49 CTUVCDU 15812223 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 148661989.77 ONLVCDU 15812208 OBC Errs 0 OBSID 3090 EPState SUN SIM TTpos 75624 HETG Angle 79.46 PCADMODE NPNT RA 79.880 Bus V 30.24 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec -45.792 Bus I 27.98 AOFSTAR GUID Roll 87.915 ACA Object FFFSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTTTTTTT Dith Yang -5.37 Yaw Rate -0.12 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang -0.34 Pitch Rate -0.02 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.08 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.35 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -5.35 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 51.05 SA Resolv 95.21 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 RadMon ENAB HRMA power 121.20 SCS 128 ACT -Y SA Amps 14.10 EPHIN Geom LARG OBA power 53.20 SCS 129 ACT +Y SA Temp 111.43 E150 3.6 SCS 130 INAC -Y SA Temp 111.74 E300 0.2 Roll Mom. -18.206 SCS 107 INAC E1300 0.0 Pitch Mom. 3.201 UpL Cmd Acc 17372 EPH A-Leak 1.0200 P4GM 0.0 Yaw Mom. 2.532 Cmd Rej A 150 EPH B-Leak 0.5000 P41GM 0.0 Current Data: UTC 2002:260:15:00:09 (Sep17) f_ACE 2.08e+01 F_CRM 1.55e+08 Kp 2.3 R km 129698D Currently scheduled FPSI, OTG : ACIS-S NONE Estimated Kp : 2.33 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.08e+01 GOES-8 P2 flux, in RADMON P4GM units : 0.00 GOES-10 P2 flux, in RADMON P4GM units : 0.00 GOES-8 P5 flux, in RADMON P41GM units : 0.01 GOES-10 P5 flux, in RADMON P41GM units : 0.02 Orbit Start Time : 2002:259:13:09:00 Geocentric Distance (km), Orbit Leg : 129718 D CRM Region : 2 (Magnetosheath) External Proton Flux (p/cm^2-s-sr-MeV) : 1.64313000000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 1.64313000000e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.78844112240e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.55147554740e+08 2) Status at 260:1500 Observed Expected -------- -------- PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 79.8803 deg 79.8803 DEC = -45.7903 deg -45.7903 ROLL = 87.92 deg 87.92 Format = 2 2 OBSID = 3090 3090 SIM FA = -467 -468 SIM TSC = 75624 75624 HETGA = 79.46 deg (OUT) OUT HETGB = 80.21 deg (OUT) OUT LETGA = 78.71 deg (OUT) OUT LETGB = 77.96 deg (OUT) OUT HRC IM PS = ON, 42, 53 SP PS = OFF, 0, 0 Shield 1 HV = OFF, 0 Shield 2 HV = ON, 8 Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 3500 ACIS FP Temp = -119.7 DEA Pwr = 39.7 DPA Pwr = 40.5 Science State = Science Active 3) Radiation The Chandra radiation environment is low and steady. However, ACE EPAM proton rates at higher energies have shown a recent increase, so that the 100 keV proton flux may increase in the near future. ACE 2 hr fluence is 1.5e5 vs. threshold 3.6e8. CRM-based orbital fluence is 1.6e8 vs. threshold 3.0e9. Chandra is in the magnetosheath. 4) Quick Look data review (OK unless noted): Seq # ObsID It Constr. Target Start Time SI Grat Comment ------------------------------------------------------------------------------------------ 900171 P2 03332 00 0 AX J1511.7+5702 2002:259:09:22:56.467 5.0 ACIS-S NONE ok 700402 P3 02963 00 1 PSS 1342+4944 2002:259:11:14:16.467 5.0 ACIS-S NONE ok 800245 P4 03245 00 0 A2259 2002:259:13:05:36.467 10.0 ACIS-I NONE ok 400207 02727 00 2 GRS 1758-258 2002:259:16:30:22.910 10.0 HRC-I NONE ok 500242 02792 00 1 PSR J1420-6048 2002:259:19:45:02.910 10.1 ACIS-S NONE ok