Apr_15_2002_M998.txt Shift M998 Start at 2002:105:16:30:00 UTC = 2002 Apr 15 12:30pm EST End 2002 Apr 15 2:30pm EST SOT shift report 2002-04-15 M998 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Apr_15_2002_M998.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running APR1502C load. Seq # ObsID It Constr. Target Start Time SI Grat RA Dec Roll Slew --------------------------------------------------------------------------------------------------------------- ---- 61232 00 CAL-ER 2002:105:06:42:07.420 7.9 -- -- 346.8000 58.2000 45.06 68.19 ---- 61231 00 CAL-ER 2002:105:17:01:08.286 20.8 -- -- 349.8500 55.9300 43.27 2.92 100034 03453 00 1 C/2002 C1 2002:105:23:15:48.286 12.0 ACIS-S NONE 350.0382 55.7795 49.97 6.86 700569 03130 00 0 FIELD-142549+353248 2002:106:03:09:13.030 159.9 ACIS-I NONE 216.4403 35.6064 163.21 80.61 ---- 61230 00 CAL-ER 2002:108:00:27:45.142 7.5 -- -- 166.0000 -7.0000 261.68 101.89 ---- 61229 00 CAL-ER 2002:108:08:37:16.564 20.8 -- -- 166.0000 -7.0000 261.51 0.18 700482 03043 00 1 NGC 4038/NGC 4039 2002:108:14:51:56.564 68.0 ACIS-S NONE 180.4546 -18.8662 281.79 25.01 ORBITAL EVENTS: 2002:105:15:43:03.186 371 EPERIGEE ORBIT PERIGEE 2002:106:23:27:34.416 372 EAPOGEE ORBIT APOGEE 2002:108:07:12:09.012 372 EPERIGEE ORBIT PERIGEE 2002:109:14:56:09.448 373 EAPOGEE ORBIT APOGEE 2002:110:22:41:07.228 373 EPERIGEE ORBIT PERIGEE 2002:112:06:24:25.119 374 EAPOGEE ORBIT APOGEE 2002:113:14:08:51.015 374 EPERIGEE ORBIT PERIGEE 2002:114:21:52:03.208 375 EAPOGEE ORBIT APOGEE 2002:116:05:35:14.788 375 EPERIGEE ORBIT PERIGEE 2002:117:13:19:04.582 376 EAPOGEE ORBIT APOGEE 2002:118:21:02:08.143 376 EPERIGEE ORBIT PERIGEE 2002:120:04:45:53.614 377 EAPOGEE ORBIT APOGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 105:1630 AOS DSS-54 (Madrid 34m) 105:1700 61231 LOS DSS-54 (Madrid 34m) 105:1800 End of shift 105:1830 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot: UTC 2002:105:17:16:05 (Apr15) f_ACE 1.40e+02 F_CRM 0.00e+00 Kp 3.0 R km 31041A OBT 2002:105:17:15:45 CTUVCDU 13914239 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 135278145.70 ONLVCDU 13914224 OBC Errs 0 OBSID 61231 EPState SUN SIM TTpos -99616 HETG Angle 79.46 PCADMODE NPNT RA 349.850 Bus V 30.24 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec 55.927 Bus I 27.73 AOFSTAR GUID Roll 43.269 ACA Object SSSSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -7.95 Yaw Rate -0.03 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 7.96 Pitch Rate -0.08 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.15 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -0.27 Batt 1 SOC 100.00% Avg HRMA Temp 70.63 FSS Beta 36.63 Batt 2 SOC 100.00% ACIS Stat7-0 67 Avg OBA Temp 51.29 SA Resolv 53.25 Batt 3 SOC 100.00% Cold Rad -123.1 OBA Tavg Fault NFLT SA Sun Pres ILLM Warm Rad -82.0 OBA Trng Fault NFLT +Y SA Amps 13.33 RadMon DISA HRMA power 0.00 SCS 128 ACT -Y SA Amps 13.72 EPHIN Geom SMAL OBA power 128.50 SCS 129 ACT +Y SA Temp 112.35 E150 415219.5 SCS 130 ACT -Y SA Temp 112.97 E300 41031.4 Roll Mom. 0.892 SCS 107 INAC E1300 1142.3 Pitch Mom. -7.906 UpL Cmd Acc 56778 EPH A-Leak 1.0200 P4GM 21766.9 Yaw Mom. -3.292 Cmd Rej A 141 EPH B-Leak 0.3000 P41GM 1.7 Current Data: UTC 2002:105:17:16:05 (Apr15) f_ACE 1.40e+02 F_CRM 0.00e+00 Kp 3.0 R km 31041A Currently scheduled FPSI, OTG : HRC-S NONE Costello Kp : 3.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 1.40e+02 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 : 0.01 Orbit Start Time : 2002:105:15:49:00 Geocentric Distance (km), Orbit Leg : 30837 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 0.00000000000e+00 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 0.00000000000e+00 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 0.00000000000e+00 2) Status at 105:1715 Observed Expected -------- -------- PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 8 8 FIDS = 0 0 RA = 349.8500 deg 349.8500 DEC = 55.9300 deg 55.9300 ROLL = 43.27 deg 43.27 Format = 2 2 OBSID = 61231 61231 SIM FA = -467 -468 SIM TSC = -99616 -99616 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 = OFF, 0, 0 SP PS = ON, 43, 54 Shield 1 HV = OFF, 0 Shield 2 HV = OFF, 0 Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 0 ACIS FP Temp = -114.2 DEA Pwr = 12.8 DPA Pwr = 39.1 Science State = Science Idle 3) Radiation Chandra Radiation environment is moderate and steady. However, there was a full-halo CME at 0400UT on April 15, presumably associated with an M1.2 class flare from active region 9906. This should cause proton rates to increase in the next couple of days. ACE 2 hr fluence is 1.1e6 vs. threshold 3.6e8. CRM-based orbital fluence is 0.0e0 vs. threshold 3.0e9. Chandra is in the magnetosphere. 4) Quick Look data review (OK unless noted): Seq # ObsID It Constr. Target Start Time SI Grat Comment ------------------------------------------------------------------------------------------ 800229 03229 00 0 4C 15.55 FIELD 2002:103:23:02:18.323 52.0 ACIS-I NONE ok 400248 03481 00 0 XTE J1908+094 2002:105:05:39:54.043 1.0 ACIS-S NONE ok. Significant pile-up.