To:sot_shift from: Dan Schwartz date: 10 Sep 03, 12:00noon EDT Subject: SOT shift report 2003-09-10 L1511 -------- See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or /proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Sep_10_2003_L1511.txt. Shift L1511. Start at 253:12:00 GMT = 08:00am 10 Sep EDT End 10:00am 10 Sep SOT Lead DAS (Times will be given in GMT on day 253.) PLAN ---- Continue running load SEP0803A. Exit radiation belts and perform ACIS CTI measurements. Then do obsid 3962, an ACIS-S snapshot of the high redshift quasar SDSS J222509-001406, and ACIS-S obsid 4193 of the cluster of galaxies Abell 2390, which has lensing data on the mass distribution. Next Comms: 254:0310 to 0510 254:1100 to 1200 254:2045 to 2245 255:0545 to 0645 255:1100 to 1300 255:1640 to 1840 255:2130 to 2330 256:1210 to 1310 256:2030 to 2130 257:0345 to 0445 257:1315 to 1415 527:2200 to 2300 Orbital events: 2003:253:15:58:16.310 565 EPERIGEE ORBIT PERIGEE 2003:254:23:42:32.832 566 EAPOGEE ORBIT APOGEE 2003:256:07:25:57.777 566 EPERIGEE ORBIT PERIGEE 2003:257:15:10:22.670 567 EAPOGEE ORBIT APOGEE 2003:258:22:54:24.918 567 EPERIGEE ORBIT PERIGEE 2003:260:06:38:32.019 568 EAPOGEE ORBIT APOGEE EVENTS ------ Status at AOS, 253:11:55, was as follows: PCAD MODE = NPNT CONTROL LAW FLAG = NPNT Stars: = 6 FIDS = 0 RA = 27.998 deg Dec = -27.999 deg ROLL = 66.252 deg Format = 2 OBSID = 90560 ACIS CTI SIM FA = -467 SIM TSC = -99616 (HRC-S) DITHER = ENAB HETG = OUT (79.46 deg) LETG = OUT (77.59 deg) HRC-I HV is ON EPHIN Geom = LARG E150 = 6.8 E300 = 0.0 E1300 = 0.0 LT 10.0 (RADMON P4GM = 0.0 LT 300. Disabled) P41GM = 0.0 LT 8.47 A-leak = 1.0200 mu-a B-leak = 0.9920 mu-a Descending through 48806 km. ACIS focal plane temperature -119.7. 13:48 LOS. Status is essentially unchanged. Descending through 38174 km. ACIS focal plane temperature -119.7. NOTES/ISSUES/PROBLEMS From the 9am status meeting: Three supports over the past day, no significant problems. One load segment was uplinked. On-board loads good until 256:20:30. Sept1503A products had no problems, expected to be signed off by flight director this morning. Radiation zone planning has returned to the 10ksec pad time boundary since the change to 10 for the EPHIN glitch limit. We have determined that HRC might be subject to high flux during the proposed new pad times, so Ken Gage is proceeding to prepare a new rule to use the reduced pad times but only schedule ACIS observations during those times. Expect the draft rule to be circulated at the end of this week, and submitted to the FD CCB in a couple of weeks. EIO temperature was high yesterday, as expected for a long observation at 90 deg pitch. Star working group meeting at 10am EDT today on #1165. ACIS Project-wide contamination telecon today at 2:30pm EDT, Call 405-244-5060 passcode 1165 Quick look data: OBSID Target Time Comment ----- ------ -------------- ------- 3568 H 1426+428 251:13:32 ACIS-S HETG looks good 4072 PSS 1646+5514 252:18:01 ACIS-S NONE looks good 4048 2MASS153628+614642 2003:252 ACIS-S NONE looks good 4158 7C 1745+6227 252:21:11 ACIS-S NONE looks good 3813 BO 375 253:02:53 HRC-I NONE looks good ------------------------------------------------------- Dan Schwartz, MS #3 das@head-cfa.harvard.edu phone: (617)495-7232 FAX: (617)495-7356 cell phone: (617)512-5627 pager: 877-693-7198 PIN 693-7198 or e-mail 6937198@archwireless.net -------------------------------------------------------