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8 May 2003

HUBBLE SPACE TELESCOPE

DAILY REPORT # 3358

PERIOD COVERED: DOY 127

Part 3 of 3

STIS 9608

CCD Bias Monitor - Part 2

Monitor the bias in the 1x1, 1x2, 2x1, and 2x2 bin settings at
gain=1, and 1x1 at gain = 4, to build up high-S/N superbiases and
track the evolution of hot columns.

STIS 9613

STIS CCD Spectroscopic Flats C11

Obtain CCD flats on the STIS CCD in spectroscopic mode.

STIS 9615

Cycle 11 MAMA Dark Monitor

This test performs the routine monitoring of the MAMA detector dark
noise. This proposal will provide the primary means of checking on
health of the MAMA detectors systems through frequent monitoring of
the background count rate. The purpose is to look for evidence of
change in dark indicative of detector problem developing.

STIS 9633

STIS parallel archive proposal - Nearby Galaxies - Imaging and
Spectroscopy

Using parallel opportunities with STIS which were not allocated by
the TAC, we propose to obtain deep STIS imagery with both the Clear
{50CCD} and Long-Pass {F28X50LP} filters in order to make
color-magnitude diagrams and luminosity functions for nearby
galaxies. For local group galaxies, we also include G750L slitless
spectroscopy to search for e.g., Carbon stars, late M giants and
S-type stars. This survey will be useful to study the star formation
histories, chemical evolution, and distances to these galaxies. These
data will be placed immediately into the Hubble Data Archive.

ACS 9657

ACS Internal Flat Field Stability

The flat field stability and characterization obtained during the
ground calibration and SMOV phases will be tested and verified
through a sub-sample of the filter set. Only internal exposures with
the calibration lamps will be required.

ACS 9674

CCD Daily Monitor

This program consists of basic tests to monitor, the read noise, the
development of hot pixels and test for any source of noise in ACS CCD
detectors. This programme will be executed once a day for the entire
lifetime of ACS. 

NICMOS 9702

NICMOS Parallel Thermal Background

the HST+NCS+Instrument thermal emission. This data will be compared
against the already available Camera 3 measurements in F222M which
show an increased thermal background.

STIS 9708

STIS Pure Parallel Imaging Program: Cycle 11

This is the default archival pure parallel program for STIS during
cycle 11.

WFPC2 9709

POMS Test Proposal: WFII parallel archive proposal

This is the generic target version of the WFPC2 Archival Pure
Parallel program. The program will be used to take parallel images of
random areas of the sky, following the recommendations of the 2002
Parallels Working Group. 

WFPC2 9710

POMS Test Proposal: WFII backup parallel archive proposal

This is a POMS test proposal designed to simulate scientific plans.

FLIGHT OPERATIONS SUMMARY:

Significant Spacecraft Anomalies: (The following are preliminary
reports of potential non-nominal performance that will be
investigated.) 

COMPLETED OPS REQs:
16973-3  Add Battery #2 Discharge off Commands to SMAC01 {at}
128/02:02:57z

OPS NOTES EXECUTED:
0915-1  HSTAR Documentation for FHST Map/Update Failures {at} 127/2242z
1106-0  Battery 5 Pressure Limit Adjustment {at} 127/1526z
1107-0  Limit Adjustment for CCC K51 to Level 2 Change (Batt 2 Test)
{at} 128/0443z

                     SCHEDULED     SUCCESSFUL    FAILURE TIMES
FGS GSacq               08             08
FGS REacq               07             07
FHST Update             13             12        127/22:42:12z
LOSS of LOCK


SIGNIFICANT EVENTS:

ESB code 901 is "FHST Error Box Fail" due to the FHST update failure
(no HSTAR required per ON # 0915-1)

Battery 2 Capacity Test was initiated at the first scheduled
opportunity.  See OR 16970-2 with attached Battery Reconditioning
Procedure: Battery 2.  Initial set-up commanding started {at} 127/12:09Z
with configuration of TMDIAGs.  Battery 2 was connected to the Diode
Bus C {at} 127/13:01Z and high rate discharge was initiated {at} 127/13:06Z
and continued nominally until 128/01:52Z when the 15 Volt termination
point was reached.  Throughout the discharge, the 5 battery system
maintained voltage, rate of charge and state of charge margins.
Battery 2 was place back on charge {at} 128/02:22Z and is recovering
well.  To aid the recovery, Battery 5 is being operated at the VTFE
level.  Due to Battery 5 characteristics and this elevated Voltage
cut-off, some battery warming is expected.  Anticipated reconfiguring
FSW back to a 6-battery system on Day 129.  Preliminary estimate of
Battery 2 capacity is 59 Ah.  Estimated does not include merged data
recorded during ZOEs and is missing data where Battery 2 shared the
spacecraft load. Final results are expected to improve.  Battery 2
was last tested in November 1998 with a yield of 70.4 Ah.

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