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07 April 2003

HUBBLE SPACE TELESCOPE
DAILY REPORT       # 3336

PERIOD COVERED: DOY 97

Part 3 of 3

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.

WFPC2 9634

POMS Test Proposal: WFII targeted parallel archive proposal

The parallel opportunities available with WFPC2 in the neighborhood
of bright galaxies are treated in a slightly different way from the
normal pure parallels.  Local Group galaxies offer the opportunity
for a closer look at young stellar populations. Narrow-band images in
F656N can be used both to identify young stars via their emission
lines, and to map the gas distribution in star-forming regions. Thus,
the filter F656N is added to the four standard filters. Near more
distant galaxies, up to about 10 Mpc, we can map the population of
globular clusters; for this purpose, F300W is less useful, and only
F450W, F606W, and F814W will be used.

NICMOS 9637

NICMOS Focus Stability

The purpose of this activity is to determine if the best focus
determined in SMOV is stable. This program will execute in
approximately one month intervals starting about 1 month after the
last execution of proposal 8980. 

ACS 9658

ACS Earth Flats

This program will obtain sequences of flat field images by observing
the bright Earth. Several UV filters from the interim calibration
program {9564} require additional exposures to obtain the required
illumination. A few UV filters from this program will be repeated to
monitor for changes in the flat fields and to verify the interim
results. Since no streaks are observed in the UV, the wavelength
coverage is extended to longer wavelengths in order to explore the
severity of streaks in the flats from clouds in the FOV. We have
added exposures for the HRC in the visible filters to verify the
results derived from the L-flat campaign and to explore the severity
of streaks. We have also added exposures on WFC using the minimum
exposure time and using filters which will not saturate the brightest
WFC pixel by more than 10 times the full well. 

ACS 9673

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

NICMOS Camera 2 pure parallel exposures in the F222M and F237M
filters to establish the stability of 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 9706

STIS Pure Parallel Imaging Program: Cycle 10

This is the default archival pure parallel program for STIS during
cycle 10.

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 paralell 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.) None 

COMPLETED OPS REQs: NONE

OPS NOTES EXECUTED: NONE
                  SCHEDULED     SUCCESSFUL    FAILURE TIMES
FGS GSacq            09             09
FGS REacq            06             06
FHST Update          18             18
LOSS of LOCK

SIGNIFICANT EVENTS:

FOT real-time spacecraft operations continue from the GSFC MOR,
pending study of recent SIMOR commercial power loss event.

Successfully completed CCS Command Test 097/10:52Z - 14:20Z using
CCS "A" String with CCS Release 4.0.2 and PRD S07102.  Testing was
executed from the SMOR using CCS "A" String with the SOC in Building
x (x=removed for publication).  All objectives were met with CCS
generating appropriate error messages, when expected. 

Successfully completed CCS 4.0.2 HSTSIM/CCSPSS Verification testing 
097/14:23Z - 17:34Z using CCS "A" String with CCS Release 4.0.2 and
PRD S07102.  CCS was able to properly handle 0.5, 4, and 32 kbps
telemetry formats transmitted from the HSTSIM and CCSPSS.  Also, able
to properly transmit commands to the HSTSIM and CCSPSS and update the
CDI counter as well as transmit loads for the 486 and NSSC-1 and
receive 486, NSSC-1 memory, and SSR engineering and science
playbacks.  4 and 32 kbps telemetry formats transmitted from the
HSTSIM and CCSPSS, a 486 hardware "I" Channel dump via PDI, and SSR
engineering and science playbacks were also properly handled with CCS
in a SM configuration.

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