To:sot_shift
from: Dan Schwartz
date: 01 Apr 02, 12:00noon EST
Subject: SOT shift report 2002-04-01 L984
--------
See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or 
/proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Apr_01_2002_L984.txt.

Shift L984. 
	Start at 091:13:00  GMT
		 = 08:00am    01 Apr EST
	End	   10:00am    01 Apr
   
SOT Lead	DAS
(Times will be given in GMT on day 091.)

PLAN
----
Continue running load Apr0102B. Finish obsid 1664, an ACIS-I
observation of the distant galaxy cluster V 1525+0958, as part of a
systematic determination of H0 and q0 using the Sunyaev Zel'dovich
effect. Then perform ACIS CTI measurements surrounding the perigee
passage.
No Comm this shift. 

Next Comms:
 091:2000 to 2100
 092:0215 to 0315
 092:1215 to 1315
 092:2215 to 2315
 093:0500 to 0600
 093:1345 to 1445
 094:0030 to 0130
 094:0900 to 1000

Orbital events:
2002:092:10:25:07.284 EPERIGEE     366   ORBIT PERIGEE 
2002:093:18:08:33.494 EAPOGEE      367   ORBIT APOGEE
2002:095:01:53:02.677 EPERIGEE     367   ORBIT PERIGEE
2002:096:09:36:13.313 EAPOGEE      368   ORBIT APOGEE 
2002:097:17:20:21.888 EPERIGEE     368   ORBIT PERIGEE

EVENTS
------
Status at LOS, 091:11:59, was as follows:
       PCAD MODE              =       NPNT
       CONTROL LAW FLAG       =       NPNT
       Stars:                 =          5 
       FIDS                   =          3
       RA                     =    231.173 deg 
       Dec                    =      9.993 deg
       ROLL                   =    107.908 deg
       Format                 =          2
       OBSID                  =       1664 V 1525+0958
       SIM FA                 =       -535
       SIM TSC                =      89823 (ACIS-I)
       HETG                   =        OUT (79.46 deg)
       LETG                   =        OUT (77.96 deg)
        HRC-S HV is ON 
       EPHIN Geom             =       LARG
             E1300            =        0.0           LT 10.0 (RADMON
             P4GM             =        0.1           LT 300. Triggers)
             P41GM            =        0.0           LT 8.47
             A-leak           =     1.0200 mu-a
             B-leak           =     0.3600 mu-a
Descending through 127486 km. ACIS focal plane temperature -119.7. 

NOTES/ISSUES/PROBLEMS
From the 9am status meeting:
	9 supports over the weekend. All SSR dumps are current. 3 load
segments were uplinked, on-board loads good until 095:08:27
	Products for APR0802 will be out later this morning for an
email review today, full load review tomorrow.
	A safe mode recovery simulation will be run tomorrow. 9:30am EST
in-briefing, with SIM expected to start around 10:30am EST.

Quick look data:
   
OBSID   Target           Time                        Comment
-----   ------           --------------              -------
2525    NGC2362		087:10:20   ACIS-S HETG Dispersed spectra not visible
3472    1ES 1028+511	087:23:06   ACIS-S HETG   Looks good
3471 24 URSAE MAJORIS	088:18:44   ACIS-S HETG   Looks good 
3086    M87		089:07:52   ACIS-S NONE   Looks good
3477    GRB020321	090:02:13   ACIS-S NONE Target not visible
3464  RXJ170930.2-2639	091:00:43   ACIS-S NONE  CC-mode, 


-------------------------------------------------------
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
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