To:sot_shift
from: Dan Schwartz
date: 01 Dec 99 , 12:00noon EST
Subject: SOT shift report, Shift L131
--------
See http://asc.harvard.edu/acis/SOT_reports/sot-shift.html, or 
/proj/ascwww/AXAF/extra/science/htdocs/acis/SOT_reports/Dec_01_1999_L131.txt.

Shift L131. 
	Start at 335:13:00  GMT
		 = 08:00am    01 Dec EST
	End	   11:20am 01 Dec
   
SOT Lead	DAS

(Times will be given in GMT on day 335. In general
times are rough, not precise.)

PLAN
Continue running load NOV2899e.  Performing 74 Ksec observation of
NGC4038/NGC4039 system, OBSID 315, with ACIS-S. Going through apogee.

Next Comms:
	335:16:50 to 18:10
        336:01:00 to 02:00
	336:08:10 to 09:30
	336:15:50 to 17:20
	337:00:10 to 01:15

EVENTS

Status at LOS, 335:08:44, was as follows:
       PCAD MODE              =       NPNT
       CONTROL LAW FLAG       =       NPNT
       Stars:                 =          5 
       FIDS                   =          3 
       RA                     =     180.495 deg 
       DEC                    =     -18.870 deg
       ROLL                   =      74.849 deg
       Format                 =          2
       OBSID                  =        315  (NGC4038/NGC4039)

       SIM FA                 =      -467
       SIM TSC                =     75623 (ACIS-S)
       HETG                   =        OUT (81.0 deg)
       LETG                   =        OUT (79.1 deg)
        HRC-S HV is ON
        EPHIN:         A-Leak =   0.2280 mu-a
                       B-Leak =   0.0360 mu-a

NOTES/ISSUES/PROBLEMS
Notes from the 9am status meeting:
	Delay in getting DEC0599 products out.  Now expected early
this pm, review tomorrow morning.  Part of delay due to extensive
changes in SI modes. SOT should try to finalize these modes at the OR
finalization sign-off prior to submission of ORs to FOT. Unlinked run
finished in 26 hours -- this is an expected behavour due to the
numerous short observations.
	We need to reset the SIM flexure heater temperature limits,
but we will leave them disabled.
	Fuel valve thermistor #2 is giving noisy readings -- not
characteristic of actual temperature excursions, and a nearby oxidizer
valve heater is behaving normally so no temperture control problems
are expected.
	The 4pm SI safing telecon today should set the schedule for the
on-orbit testing. This is expected to be on Monday, Dec 13. SI teams
will need to support, and they should also support the ASVT testing
(for which the schedule is also not yet known). 


-------------------------------------------------------
Dan Schwartz,	MS #3
das@head-cfa.harvard.edu  
phone: (617)495-7232    FAX:   (617)495-7356
cell phone: (617)512-5627   
pager: 800-759-8352 PIN 1636502
       or e-mail 1636502@skytel.com 
-------------------------------------------------------