Shift M547. Start at 019:18:30 GMT = 01:30pm 19 Jan EST End 03:30pm 19 Jan See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Jan_19_2001_L547.txt. SOT Lead Mark Freeman (Times will be given in GMT on day 019. In general times are rough, not precise.) PLAN ---- Continue running load JAN1601b, just past apogee. Do OBSID 2186, ACIS-S/LETG observations of H1821+643, for the remainder of this orbit. Next Comms: 020:07:00 to 07:15 020:12:00 to 13:00 020:20:40 to 22:40 021:06:00 to 07:00 021:14:00 to 15:00 021:22:45 to 23:45 Orbital events: 2001:019:18:29:36.318 201 ORBIT APOGEE 2001:021:02:13:54.067 201 ORBIT PERIGEE 2001:022:09:57:41.308 202 ORBIT APOGEE 2001:023:17:42:54.924 202 ORBIT PERIGEE 2001:025:01:26:06.592 203 ORBIT APOGEE 2001:026:09:11:13.980 203 ORBIT PERIGEE 2001:027:16:54:24.566 204 ORBIT APOGEE 2001:029:00:38:40.420 204 ORBIT PERIGEE EVENTS Time OBSID ------ ---- ----- Start Shift 019:1830 AOS (DSS-24) 1900 Chandra Status Nominal (see note 1) 1904 02186 LOS 2000 End shift 2030 NOTES/ISSUES/PROBLEMS --------------------- 1) Chandra status as AOS: UTC 2001:019:19:04:23 (Jan19) f_ACE 4.08e+02 F_ACE 5.00e+07 Kp 1.3 R km 141806D OBT 2001:019:19:03:51 CTUVCDU 12870492 OBC s/w NRML FMT2_EPS CPEstat NORM OBT 96318231.23 ONLVCDU 12870480 OBC Errs 0 OBSID 2186 EPState SUN SIM TTpos 72439 HETG Angle 79.84 PCADMODE NPNT RA 275.393 Bus V 30.08 SIM FApos -467 LETG Angle 4.46 PCONTROL NPNT Dec 64.306 Bus I 30.77 AOFSTAR GUID Roll 27.554 ACA Object FFFSSSSS Dither ENAB HRC-I HV OFF ACA ImFunc TTTTTTTT Dith Yang -5.26 Yaw Rate -0.14 HRC-S HV ON ACA CCD Temp -10.4 Dith Zang -4.84 Pitch Rate -0.01 OBSMode NEXT ACA Int Time 1.698 Roll Rate -0.09 Door OP UNAC AOACSTAT OK FSS SunBeta SUN Door CL UNAC FSS Alfa -3.03 Batt 1 SOC 100.00% Avg HRMA Temp 70.58 FSS Beta 2.71 Batt 2 SOC 100.00% ACIS Stat7-0 64 Avg OBA Temp 51.21 SA Resolv 87.09 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 14.68 RadMon ENAB HRMA power 68.10 SCS 128 INAC -Y SA Amps 15.46 EPHIN Geom LARG OBA power 51.30 SCS 129 ACT +Y SA Temp 116.58 E150 2.1 SCS 130 ACT -Y SA Temp 116.95 E300 0.0 Roll Mom. -15.782 SCS 107 INAC E1300 0.0 Pitch Mom. 8.134 UpL Cmd Acc 28076 EPH A-Leak 1.0200 P4GM 0.0 Yaw Mom. 3.121 Cmd Rej A 95 EPH B-Leak 0.2680 P41GM 0.0 2) Radiation environmental levels currently very low, with the added protection of the inserted LETG: UTC 2001:019:19:44:25 (Jan19) f_ACE 4.53e+02 F_ACE 5.05e+07 Kp 1.0 R km 141689D Currently scheduled FPSI, OTG : ACIS-S LETG Costello Kp : 1.00 ACE EPAM P3 Proton Flux (p/cm^2-s-sr-MeV) : 4.53e+02 Orbit Start Time : 2001:018:10:49:00 Geocentric Distance (km), Orbit Leg : 141693 D CRM Region : 1 (Solar_Wind) External Proton Flux (p/cm^2-s-sr-MeV) : 4.53000000000e+02 Attenuated Proton Flux (p/cm^2-s-sr-MeV) : 2.26500000000e+02 External Proton Orbital Fluence (p/cm^2-sr-MeV) : 2.01516046331e+08 Attenuated Proton Orbital Fluence (p/cm^2-sr-MeV) : 6.01022933596e+07 -------------------------------------------------------