Apr_18_2002_M1001.txt Shift M1001 Start at 2002:108:18:00:00 UTC = 2002 Apr 18 2:00pm EST End 2002 Apr 18 3:30pm EST SOT shift report 2002-04-18 M1001 See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Apr_18_2002_M1001.txt SOT Lead Robert Cameron SOT SC/ACA FOT-SI HRC-SI ACIS-SI OTHER Plan: - Running APR1702B load. Seq # ObsID It Constr. Target Start Time SI Grat RA Dec Roll Slew --------------------------------------------------------------------------------------------------------------- 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 ---- 61228 00 CAL-ER 2002:109:10:30:29.923 0.0 -- -- 245.0000 -25.7000 74.96 133.75 600290 02953 00 2 SGR A* 2002:109:10:58:39.923 12.0 ACIS-I NONE 266.4326 -29.0284 84.97 19.30 700559 03120 00 0 1343-601 2002:109:14:48:17.199 5.0 ACIS-S NONE 206.6758 -60.4194 359.18 63.55 700551 03112 00 0 0858-771 2002:109:16:33:08.861 5.0 ACIS-S NONE 134.3621 -77.3149 284.16 28.79 ORBITAL EVENTS: 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 108:1800 AOS DSS-54 (Madrid 34m) 108:1815 3043 LOS DSS-54 (Madrid 34m) 108:1915 End of shift 108:1930 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra snapshot: UTC 2002:108:18:34:06 (Apr18) f_ACE 6.54e+03 F_CRM 1.39e+08 Kp 4.7 R km 92777A OBT 2002:108:18:33:41 CTUVCDU 14943999 OBC s/w NRML FMT2_SSR CPEstat NORM OBT 135542021.91 ONLVCDU 14943984 OBC Errs 0 OBSID 3043 EPState SUN SIM TTpos 75623 HETG Angle 79.46 PCADMODE NPNT RA 180.452 Bus V 29.93 SIM FApos -467 LETG Angle 77.96 PCONTROL NPNT Dec -18.865 Bus I 31.27 AOFSTAR GUID Roll 281.786 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -4.84 Yaw Rate 0.18 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang 6.23 Pitch Rate 0.06 OBSMode NEXT ACA Int Time 1.698 Roll Rate 0.15 Door OP UNAC AOACSTAT OK FSS SunBeta NSUN Door CL UNAC FSS Alfa -49.63 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta -49.77 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 50.73 SA Resolv 153.99 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 15.07 RadMon ENAB HRMA power 111.40 SCS 128 INAC -Y SA Amps 15.85 EPHIN Geom LARG OBA power 193.90 SCS 129 ACT +Y SA Temp 112.66 E150 113.2 SCS 130 ACT -Y SA Temp 112.66 E300 2.6 Roll Mom. -12.686 SCS 107 INAC E1300 0.0 Pitch Mom. 13.192 UpL Cmd Acc 1210 EPH A-Leak 0.9240 P4GM 6.9 Yaw Mom. 11.845 Cmd Rej A 55 EPH B-Leak 0.1760 P41GM 0.0 Current Data: UTC 2002:108:18:34:06 (Apr18) f_ACE 6.54e+03 F_CRM 1.39e+08 Kp 4.7 R km 92777A Currently scheduled FPSI, OTG : ACIS-S NONE Costello Kp : 4.67 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 6.54e+03 GOES-8 P2 flux, in RADMON P4GM units : 0.04 GOES-10 P2 flux, in RADMON P4GM units : 0.03 GOES-8 P5 flux, in RADMON P41GM units : 0.01 GOES-10 P5 flux, in RADMON P41GM units : 0.01 Orbit Start Time : 2002:108:07:14:01 Geocentric Distance (km), Orbit Leg : 92777 A CRM Region : 3 (Magnetosphere) External Proton Flux (p/cm^2-s-sr-MeV) : 9.18609000000e+03 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 9.18609000000e+03 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.44469535000e+09 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 1.39222932000e+08 2) Status at 108:1830 Observed Expected -------- -------- PCAD MODE = NPNT NPNT CONTROL LAW FLAG = NPNT NPNT Stars: = 5 5 FIDS = 3 3 RA = 180.4546 deg 180.4546 DEC = -18.8662 deg -18.8662 ROLL = 281.79 deg 281.79 Format = 2 2 OBSID = 3043 3043 SIM FA = -467 -468 SIM TSC = 75623 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 = 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 = -119.7 DEA Pwr = 56.1 DPA Pwr = 41.6 Science State = Science Active 3) Radiation Chandra Radiation environment is high and steady. We have resumed science after shutting down yesterday because of the CME of April 15. There was another full halo CME from active region 9906 on April 17, which will cause proton rates to rise in the next day or two. ACE 2 hr fluence is 4.4e7 vs. threshold 3.6e8. CRM-based orbital fluence is 1.4e8 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) SOT GRETA workstation The SOT GRETA workstation has been upgraded as part of the OCC GRETA update program.