HUBBLE SPACE TELESCOPE

       DAILY REPORT #3000

PERIOD COVERED:  0000Z (UTC) 11/16/01 - 0000Z (UTC) 11/19/01

Daily Status Report as of 323/0000Z

1.0 OBSERVATIONS SCHEDULED AND ACCOMPLISHED:

    1.1 Completed Nine Sets of WF/PC-2 9042 (An Archive To Detect The 
Progenitors Of Massive, Core-Collapse Supernovae)

         The WF/PC-2 was used to search for supernovae which have massive 
star progenitors.  The already extensive HST archive and high-resolution 
ground-based images of galaxies within ~20 Mpc enables us to resolve and 
quantify their individual bright stellar content.  As massive, evolved 
stars are the most luminous single objects in a galaxy, the progenitors of 
core-collapse supernovae should be directly detectable on pre-explosion 
images.  One Type II progenitor has been observed this year, and the 
investigators have proposed a short, companion WFPC2 proposal to confirm 
this candidate and identify a second.  As described in the previous report 
and HSTAR 8400, the acquisition for the first iteration of this proposal 
defaulted to fine lock backup on one FGS only, possibly affecting the 
observation in this iteration.  Otherwise, the observations completed 
nominally.

    1.2 Completed Fourteen STIS/CCD 9285 (POMS Test Proposal: STIS 
Non-scripted Parallel Proposal Continuation III)

        The Space Telescope Imaging Spectrograph (CCD) was used to make low 
galactic latitude, non-scripted parallel observations as part of a POMS 
test proposal.  As described in the previous report and HSTAR 8400, the 
acquisition for the first iteration of this proposal defaulted to fine lock 
backup on one FGS only, possibly affecting the observation in this 
iteration.  Otherwise, the observations were completed as planned, and no 
further anomalies were reported.

    1.3 Completed Nine Sets of WF/PC-2 8936 (Cycle 10 Supplemental Darks Pt1/3)

        The WF/PC-2 was used to perform a dark calibration program that 
obtains three dark frames every day to provide data for monitoring and 
characterizing the evolution of hot pixels.  As described in the previous 
report and HSTAR 8400, the acquisition for the first iteration of this 
proposal defaulted to fine lock backup on one FGS only, possibly affecting 
the observation in this iteration.  Otherwise, the proposal completed with 
no other reported problems.

    1.4 Completed Five Sets of STIS/CCD 8901 (Dark Monitor-Part 1)

        The Space Telescope Imaging Spectrograph (CCD) was used to monitor 
the darks.  There was no anomalous activity.

    1.5 Completed STIS/CCD 9066 (Closing in on the Hydrogen Re-ionization 
Edge of the Universe)

        The Space Telescope Imaging Spectrograph (CCD) was used in parallel 
constrain the Hydrogen re-ionization edge in emission that marks the 
transition from a neutral to a fully ionized IGM at a predicted 
redshifts.  The proposal completed uneventfully.

    1.6 Completed Three Sets of STIS/CCD 8903 (Bias Monitor - Part 1)

        The Space Telescope Imaging Spectrograph (CCD) was used to 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.  There were no problems.

    1.7 Completed Six Sets of STIS/CCD 8910 (Sparse Field CTE Test-Internal 
{Cycle 10})

        The Space Telescope Imaging Spectrograph (CCD) was used to perform 
CTE measurements that are made using the "sparse field test", along both 
the serial and parallel axes.  This program needs special commanding to 
provide {a} off-center MSM positionings of some slits, and {b} the ability 
to read out with any amplifier {A, B, C, or D}.  No problems were encountered.

    1.8 Completed FGS/1 9233 (Astrometry of the Extrasolar Planet of GL876)

        Fine Guidance Sensor #1 was used to continue the astrometric 
observations of GL876 with in order to confirm the radial velocity 
detection of an extra-solar planet around the M4 dwarf star. The objective 
is to determine the actual mass of the planet without the unknown 1/sini 
factor of the radial velocity methods.  This will be the first extra-solar 
planet whose mass is actually determined from first principles.  The 
proposal completed with no reported anomalies.

    1.9 Completed Fourteen Sets of WF/PC-2 9244 (POMS Test Proposal: WFII 
Parallel Archive Proposal Continuation)

        The WF/PC-2 was used to perform a generic target version of the 
Archival Pure Parallel program.  The program will be used to take parallel 
images of random areas of the sky, following the recommendations of the 
Parallels Working Group.  The observations completed with no anomalous 
activity.

    1.10 Completed Two Sets of WF/PC-2 8942 (Cycle 10 Intflat Sweeps and 
Linearity Test)

        The WF/PC-2 was used to monitor the pixel-to-pixel flatfield 
response and provide a linearity check.  These intflat sequences are done 
once during the year and the images will provide a backup database in the 
event of complete failure of the visflat lamp as well as allow monitoring 
of the gain ratios.  There were no reported problems.

    1.11 Completed STIS/CCD/MA2 9156 (Spectrum And Pulse Profile Of PSR 
0656+14 In The Near-UV)

        The Space Telescope Imaging Spectrograph (CCD and MA2) was used to 
perform prism observations of the middle-aged pulsar PSR B0656+14.  This 
would allow the proposers to make for the first time phase- resolved 
spectroscopy of a middle-aged pulsar as a function of wavelength in the UV, 
and to study how the pulse profile of such a pulsar at these wavelengths 
differs from the only similar data available so far, namely those of the 
much younger Crab pulsar.  This is important for the understanding of how 
the spectral evolution evolves with pulsar age.  There were no reported 
problems.

    1.12 Completed Twenty Sets of WF/PC-2 8941 (Cycle 10 UV Earthflats)

        The WF/PC-2 was used to monitor flat field stability by obtaining 
sequences of earth streak flats to improve the quality of pipeline flat 
fields for the WFPC2 UV filter set.  The proposal had no problems.

    1.13 Completed STIS/CCD/MA2 9048 (Boron Constraints on Slow Mixing in 
Low Mass Stars)

        The Space Telescope Imaging Spectrograph (CCD and MA2) was used to 
observe the atomic and nuclear characteristics of the light elements Li, Be 
and B, that make their photospheric abundances ideal tracers of internal 
physical processes in stars.  Both Li and Be have been heavily utilized to 
this end since their diminished abundances are a direct result of the 
extent of internal slow mixing between surface and interior layers, as has 
been shown with ground-based data.  Boron provides a fresh and special 
probe because it survives to greater depths inside stars than does Li or 
Be, and can thus uniquely reveal the depth of mixing.  It is proposed to 
observe B in stars with very large depletions of Li and Be, i.e. stars 
which have been the most seriously affected by mixing.  No problems occurred.

    1.14 Completed WF/PC-2 9173 (The Pattern of Heavy Element Abundances in 
a Damped LyAlpha Galaxy)

        The WF/PC-2 was used to observe the quasar PKS 1127-143.  X-ray 
absorption associated with an intervening 21-cm and damped LyAlpha$ 
absorber at z=0.312 in its spectrum has been detected with Chandra.  The 
advantage of the X- ray measurement is that the derived metallicity is 
insensitive to ionization, inclusion of an atom in a molecule, or depletion 
onto grains.  The X-ray absorption is mostly due to oxygen, and the 
abundance agrees with the oxygen abundance of 16-40 lines in a galaxy at 
the redshift of the absorber.  The STIS spectrum will allow measurement 
of  Zn II, an undepleted iron peak element.  Comparison of the oxygen group 
measured in the X-rays with the iron peak nuclei measured will reveal 
whether the absorber has a Pop II, halo-type abundance pattern or a Pop I, 
disk-like abundance pattern.  The proposal completed with no reported 
anomalous activity.

    1.15 Completed WF/PC-2 8048 (Secular Changes in the Jet of M87)

        The WF/PC-2 was used to continue the investigation of the M87 jet 
bystudying proper motions and structural changes of the jet.   The proposal 
will track secular changes and motions in the jet and nucleus.  The 
observations completed and no anomalies were reported.

    1.16 Completed FGS/1 9089 (Parallaxes of Cataclysmic Variables: 
Understanding Their Peculiar Secondary Stars)

        Fine Guidance Sensor #1 was used to measure precise parallaxes for 
three additional CVs {WZ Sge, RU Peg, and YZ Cnc}, whose orbital periods 
span a much larger range than explored in previous observations, allowing 
examination of how the accretion luminosity and secondary star change with 
orbital period.  There were no problems.

    1.17 Completed WF/PC-2 9060 (Photometry of a Statistically Significant 
Sample of Kuiper Belt Objects)

        The WF/PC-2 was used to propel the physical study of KBOs forward 
by performing accurate photometry at V, R, and I on a sample of up to 150 
KBOs.  The sample is made up of objects that will be observed at thermal 
infrared wavelengths by SIRTF and will be used with those data to derive 
the first accurate diameters and albedos for a large sample of KBOs.  The 
observations completed nominally.

    1.18 Completed STIS/CCD 9136 (T Tauri Star Coronagraphic Survey: A PMS 
Protoplanetary Disk Census)

      The Space Telescope Imaging Spectrograph (CCD) was used to observe 
pre-main sequence solar-mass stars, the T Tauri stars that Millimeter and 
IR studies suggest at least 50 percent have circumstellar disks similar to 
the disk from which our planetary system formed.  High spatial resolution, 
high dynamic range imaging of such systems will map the spatial 
distribution of material around the star, constraining the disk sizes and 
inclinations, and provide a first assessment of when structure in the disk, 
such as cleared central zones and annuli, which has been linked to planet 
formation, develops.  All observations completed without incident.

    1.19 Completed STIS/CCD 9164 (Helical Flows and Rotation in 
Protostellar Jets)

        The Space Telescope Imaging Spectrograph (CCD) was used to study 
the velocity structure of protostellar jets transverse to the jet flow 
axis.  HST resolution would allow the search for rotation, e.g. a helical 
flow pattern, around the axis of an optical jet.  Such a detection would 
provide strong evidence that jets act as outflowing channels for angular 
momentum, thus allowing infalling material to fully accrete onto the 
protostar.  There were no problems.

    1.20 Completed Three Sets of WF/PC-2 9309 (Supernova Search)

        The WF/PC-2 was used to search for high-redshift supernovae in 
GO-observed fields, taking advantage of good first-epoch observations.  All 
observations completed nominally.

    1.21 Completed STIS/CCD 8906 (Hot Pixel Annealing)

        The Space Telescope Imaging Spectrograph (CCD) was used to measure 
the effectiveness of the CCD hot pixel annealing process by measuring the 
dark current behavior before and after annealing and by searching for any 
window contamination effects.  In addition, CTE performance is examined by 
looking for traps in a low signal level flat.  There were no reported problems.

2.0 FLIGHT OPERATIONS SUMMARY:

    2.1 Guide Star Acquisitions:
       Scheduled Acquisitions: 21
Successful: 21

  Scheduled Re-acquisitions: 21
Successful: 21

    2.2 FHST Updates:
Scheduled: 48
Successful: 48

    2.3 Operations Notes:

        Using ROP SR-1A, the SSR EDAC error counter was cleared four times.

        Two 486 memory dumps were commanded at 320/2148Z and at 321/0123Z 
per ROP DF-01A.

        The 486 engineering status buffer limits were adjusted at 321/1130Z 
per ROP DF-18A.

        The NSSC-1 status buffer was dumped and reset at 321/1950Z as 
directed by ROP NS-3.

3.0 SIGNIFICANT FORTHCOMING EVENTS:

        Continuation of normal science observations and calibrations.

/CAW