To:sot_shift from: Dan Schwartz date: 02 Apr 09, 12:00noon EDT Subject: SOT shift report 2009-04-02 L3542 -------- See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/web-cxc/htdocs/acis/SOT_reports/Apr_02_2009_L3542.txt. Shift L3542. Start at 092:12:00 GMT = 08:00am 02 Apr EDT End 10:00am 02 Apr SOT Lead DAS (Times will be given in GMT on day 092.) PLAN ---- Continue running load MAR3009B. Finish perigee passage and do the ascending ACIS cti measurements. Then do obsid 10675, an ACIS-S/HETG observation of the Wolf-Rayet binary system WR 147 to verify and study the colliding stellar wind model of the X-ray emission. Next Comms: 092/1300-1515 1400 1500 DSS-54 MADRID 1000-1100 EDT, Thu 2 Apr 092/1935-2150 2035 2135 DSS-65 MADRID 1635-1735 EDT, Thu 2 Apr 093/0245-0500 0345 0445 DSS-24 GOLDSTONE 2345-0045 EDT, Thu 2 Apr 093/1015-1230 1115 1215 DSS-24 GOLDSTONE 0715-0815 EDT, Fri 3 Apr 093/2015-2230 2115 2215 DSS-65 MADRID 1715-1815 EDT, Fri 3 Apr 094/0245-0500 0345 0445 DSS-27 GOLDSTONE 2345-0045 EDT, Fri 3 Apr 094/1100-1315 1200 1300 DSS-27 GOLDSTONE 0800-0900 EDT, Sat 4 Apr 094/2105-2320 2205 2305 DSS-54 MADRID 1805-1905 EDT, Sat 4 Apr Orbital events: 2009:092:11:09:10.226 1333 EPERIGEE ORBIT PERIGEE 2009:093:18:53:45.044 1334 EAPOGEE ORBIT APOGEE 2009:095:02:36:58.709 1334 EPERIGEE ORBIT PERIGEE 2009:096:10:20:40.480 1335 EAPOGEE ORBIT APOGEE 2009:097:18:04:21.225 1335 EPERIGEE ORBIT PERIGEE 2009:099:01:47:24.634 1336 EAPOGEE ORBIT APOGEE EVENTS ------ Status at LOS, 092:04:43, was as follows: PCAD MODE = NPNT CONTROL LAW FLAG = NPNT Stars: = 7 FIDS = 0 RA = 205.000 deg Dec = -26.002 deg ROLL = 33.876 deg Format = 2 OBSID = 57201 entering perigee SIM FA = -467 SIM TSC = -99616 (HRC-S) DITHER = ENAB HETG = OUT (79.09 deg) LETG = OUT (77.21 deg) HRC-S HV is ON EPHIN Geom = VLD E150 = 57 800000 (RADMON E1300 = 119 1000 Triggers) MPC = 0 ANTI-CO = Descending through 67781 km. ACIS focal plane temperature -119.4 degC. EPH temp: 109.34 degF NOTES/ISSUES/PROBLEMS From the 9am status meeting: Two supports over the past day, No issues. One stored command sequence uplinked, on-board loads good until 095:22:19. The APR0609A loads were approved by the reviewers yesterday. They await the anticipated FD CCB approval for changing the temperature planning guidelines in order to be signed by the Flight Director. Pre-approved EIA sequencer self-test CAP will be run today. Water fill test was successful yesterday. No leakage. OCC backup working group cancelled for today, but will meet the next two weeks, Apr 9 and 16 to plan the load review demo which will take place April 20-21. Sun is quiet, all indicators at background level. For a story on this unusually quiet solar minimum see: http://science.nasa.gov/headlines/y2009/01apr_deepsolarminimum.htm?list33587 Quick look data: OBSID Target Time Comment ----- ------ -------------- ------- 10698 Cas-A CCO 090:16:33 HRC-S OK 10285 M87 091:07:35 ACIS-S OK 10434 A2029 091:09:34 ACIS-I OK 10435 A2029 091:11:06 ACIS-I OK 10436 A2029 091:12:38 ACIS-I OK 10437 A2029 091:14:12 ACIS-I OK 10390 NGC 5793 091:16:0 ACIS-S OK ------------------------------------------------------- Dan Schwartz, MS #3 das@head-cfa.harvard.edu phone: (617)495-7232 cell phone: (617)512-5627 pager: email to 6175125627@vtext.com -------------------------------------------------------