May_29_2002_M1042.txt Shift M1042 Start at 2002:149:19:30:00 UTC = 2002 May 29 3:30pm EDT End 2002 May 29 5:00pm EDT SOT shift report 2002-05-29 M1042 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/May_29_2002_M1042.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running MAY2702D load. Seq # ObsID It Constr. Target Start Time SI Grat RA Dec Roll Slew --------------------------------------------------------------------------------------------------------------- 600280 03393 00 2 SGR A* 2002:148:05:54:09.577 160.0 ACIS-I NONE 266.4284 -29.0305 75.31 20.60 400173 P2 02693 00 0 X1624-490 2002:150:02:51:09.500 1.0 HRC-I NONE 246.9843 -49.2076 0.39 66.74 300073 02672 00 0 IM Nor 2002:150:03:35:49.500 4.5 ACIS-S NONE 234.8928 -52.3462 338.74 14.77 ORBITAL EVENTS: 2002:149:06:53:37.956 388 EAPOGEE ORBIT APOGEE 2002:150:14:38:32.472 388 EPERIGEE ORBIT PERIGEE 2002:151:22:21:53.835 389 EAPOGEE ORBIT APOGEE 2002:153:06:06:07.830 389 EPERIGEE ORBIT PERIGEE 2002:154:13:50:02.032 390 EAPOGEE ORBIT APOGEE 2002:155:21:33:45.403 390 EPERIGEE ORBIT PERIGEE 2002:157:05:18:11.963 391 EAPOGEE ORBIT APOGEE 2002:158:13:02:08.662 391 EPERIGEE ORBIT PERIGEE 2002:159:20:46:47.673 392 EAPOGEE ORBIT APOGEE EVENTS DONE OBSID -------------- ---- ----- Start Shift 149:1930 AOS DSS-34 (Canberra 34m) 149:1945 3393 LOS DSS-34 (Canberra 34m) 149:2045 End of shift 149:2100 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot: UTC 2002:149:19:51:06 (May29) f_ACE 2.78e+02 F_CRM 6.06e+08 Kp 3.0 R km 119215D OBT 2002:149:19:50:46 CTUVCDU 12008831 OBC s/w NRML FMT2_EPS CPEstat NORM OBT 139089046.95 ONLVCDU 12008816 OBC Errs 0 OBSID 3393 EPState SUN SIM TTpos 92903 HETG Angle 79.46 PCADMODE NPNT RA 266.429 Bus V 29.77 SIM FApos -535 LETG Angle 77.96 PCONTROL NPNT Dec -29.028 Bus I 40.41 AOFSTAR GUID Roll 75.306 ACA Object FFSSSSSS Dither ENAB HRC-I HV ON ACA ImFunc TTNTTTTT Dith Yang 7.62 Yaw Rate 0.19 HRC-S HV OFF ACA CCD Temp -10.4 Dith Zang -0.54 Pitch Rate 0.06 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.14 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa -49.61 Batt 1 SOC 100.00% Avg HRMA Temp 70.61 FSS Beta -49.78 Batt 2 SOC 100.00% ACIS Stat7-0 65 Avg OBA Temp 50.42 SA Resolv 159.31 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 20.17 RadMon ENAB HRMA power 35.80 SCS 128 ACT -Y SA Amps 20.18 EPHIN Geom LARG OBA power 189.90 SCS 129 ACT +Y SA Temp 107.90 E150 6.0 SCS 130 ACT -Y SA Temp 108.97 E300 0.1 Roll Mom. 3.175 SCS 107 INAC E1300 0.0 Pitch Mom. -11.940 UpL Cmd Acc 7096 EPH A-Leak 0.2400 P4GM 0.0 Yaw Mom. 6.090 Cmd Rej A 70 EPH B-Leak 0.0480 P41GM 0.0 Current Data: UTC 2002:149:19:51:06 (May29) f_ACE 2.78e+02 F_CRM 6.06e+08 Kp 3.0 R km 119215D Currently scheduled FPSI, OTG : ACIS-I NONE Costello Kp : 3.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 2.78e+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 : 2002:147:23:14:00 Geocentric Distance (km), Orbit Leg : 119303 D CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 3.07705000000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 3.07705000000e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.68181172400e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 6.06396027000e+08 2) Status at 149:2000 Observed Expected -------- -------- PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 2 3 RA = 266.4284 deg 266.4284 DEC = -29.0305 deg -29.0305 ROLL = 75.31 deg 75.31 Format = 2 2 OBSID = 3393 3393 SIM FA = -535 -536 SIM TSC = 92903 92904 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 = OFF, 0 Valid Event Rate 1 = 0 Valid Event Rate 2 = 0 Shield Event Rates = 0 ACIS FP Temp = -119.7 DEA Pwr = 44.5 DPA Pwr = 41.2 Science State = Science Active 3) Radiation The Chandra radiation environment is moderate and variable. According to spaceweather.com, the CME of 28 May 2002 was from the far side of the sun and should not impact the Earth. ACE 2 hr fluence is 1.6e6 vs. threshold 3.6e8. CRM-based orbital fluence is 6.1e8 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 ------------------------------------------------------------------------------------------ There were no new quick look data in this shift. 5) One of the 3 ACIS fid lights used in this long observation has been lost by the ACA and is no longer being tracked.