Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.stsci.edu/ftp/observing/status_reports/old_reports_96/hst_status_12_23_96 Дата изменения: Mon Dec 23 21:29:46 1996 Дата индексирования: Sun Dec 23 10:47:36 2007 Кодировка: Поисковые слова: molecular cloud

HUBBLE SPACE TELESCOPE

DAILY REPORT #1784

PERIOD COVERED: 0000Z (UTC) 12/20/96 - 0000Z (UTC) 12/23/96

Daily Status Report as of 358/0000Z

1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED:

1.1 Completed Nine Sets of WF/PC-2 6253 (Pure Parallel Archive =
Program)

The WF/PC-2 was used to execute a pure parallel program taking =
ultraviolet observations running concurrently with prime science =
observations. The intent is to search for extra-galactic sources with =
flux excesses at 3000 A0 and galactic sources with excesses at 1600 A0. =
The observations were completed as planned, and no problems were =
reported.

1.2 Completed WF/PC-2 6906 (WF/PC-2 Cycle 6 Calibration: Internal =
Monitor-Visual Flats)

The WF/PC-2 was used to make internal calibration visual flat =
images as part of the Cycle 6 internal monitoring of the instrument's =
operations. This proposal defines the standard series of internal flat =
fields, which will be executed twice per month. The observations were =
completed as planned, and no anomalies were reported.

1.3 Completed Two Sets of FOS/BL 6683 (Eclipsing Binaries in the =
Magellanic Clouds - Fundamental Properties A)

The Faint Object Spectrograph (Blue Side) was used to make =
spectrographic observations of O/B Class, Eclipsing binary system star =
LMC-EROS10 located in the Small Magellanic Cloud. From these data and =
the latest Kurucz model atmospheres, accurate temperatures will be =
derived. The observations were executed as scheduled, and no anomalies =
were noted.

1.4 Completed Two Sets of WF/PC-2 6907 (WF/PC-2 Cycle 6 Calibration: =
Internal Flats)

The WF/PC-2 was used to make internal flat filter sweep =
calibration images. This is a series of exposures to test the linearity o=
f the camera. The observations were completed as planned and no problems =
were reported.

1.5 Completed Six Sets of WF/PC-2 6904 (WF/PC-2 Cycle 6 =
CalIibration:Darks)

The WF/PC-2 was used to make a series of several dark calibration =
images as part of a standard calibration within Cycle 6. This =
calibration procedure is performed once per week as part of an on going =
CCD calibration to be used to monitor and characterize hot pixels. The =
observations were executed as scheduled, and no anomalies were noted.

1.6 Completed FGS 6885 (L726-8/ UV-Ceti)

The FGSs were used in both the POS and TRANS modes to make =
astrometric observations of the star UV-Ceti. This is to look for short =
period, low mass companions in orbit around the star. The observations =
were completed as planned, an no anomalies were reported.

1.7 Completed WF/PC-2 6346 (Snapshot Survey of the Ultraluminous IRAS =
Galaxy Sample-Part 1 High)

The WF/PC-2 was used to make snapshot survey observations of the =
ultraluminous IRAS galaxy QDOTULIR00. These data will be searched for =
multiple cores, which imply a merger has occurred, and for starburst =
regions. The observations were executed as scheduled, and no anomalies =
were noted.

1.8 Completed GHRS/1 6622 (UV Spectroscopy of DR1, the WO3 Star in =
IC1613 and its Surrounding Nebula)

The High Resolution Spectrograph (Side One) was used to make =
ultraviolet spectrographic observations of the very luminous, WO3 =
(Wolf-Rayet) class star DR-1 which is located in the metal-poor, dwarf, =
irregular galaxy IC-1613-010. Observations were also be taken of its =
surrounding nebula. The observations were completed as planned, and no =
problems were reported.

1.9 Completed Five Sets of FOS/RD 6914 (FOS Cycle 6: Location of =
Spectra and Wavelength Calibration - Red Side)

The Faint Object Spectrograph (Red Side) was used to make both a =
TALED and a wavelength calibration image. All observations were made =
using internal light sources. This proposal will be executed a total of =
12 times during cycle 6 (i.e., once per month). The observations were =
executed as scheduled, and no anomalies were noted.

1.10 Completed FGS 6921 (Intermediate Plate Scale Calibration)

The FGSs were used in the POS mode to make astrometric observations=
of stars HD65949 and 4727-227 and several other reference stars. These =
data will be used for an intermediate plate scale calibration of the =
central region of the FGSs, where all the annual parallax work is done. =
The reference stars were taken from the HIPPARCOS observing list. The =
observations were executed as scheduled, and no anomalies were noted.

1.11 Completed FGS 6921 (Intermediate Plate Scale Calibration)

The FGSs were used in the POS mode to make astrometric =
observations of cluster NGC-5081 and several other reference stars. =
These data will be used for an intermediate plate scale calibration of =
the central region of the FGSs, where all the annual parallax work is =
done. The reference stars were taken from the HIPPARCOS observing list. =
The observations were executed as scheduled, and no anomalies were noted.

1.12 Completed WF/PC-2 7202 (The WF/PC-2 B Band Parallel Survey: A =
Systematic and Synoptic Study of Galaxy Formation and Evolution - Short =
Orbit Case)

The WF/PC-2 was used to make observations as part of a B-Band =
Survey to make synoptic study of galaxy formation and evolution. These =
observations were taken in parallel with the prime science observations. =
They were completed as planned, and no anomalies were reported.

1.13 Completed Two Sets of WF/PC-2 7211 (WF/PC-2 Pre-SM97 UV Baseline =
Observation.)

The WF/PC-2 was used to make far-ultraviolet observations of CVZ =
Class targets WD2126+734 and WD1042-690 as part of a pre-observation =
baseline of SM97 (WF/PC-2 SMOV Calibration). The observations were =
completed as scheduled, and no anomalies were noted.

1.14 Completed GHRS/2 6210 (GHRS Spatial PSF Characterization - Cycle =
5)

The High Resolution Spectrograph (Side Two) was used to make observ=
ations of standard star HD106343 as part of a Cycle 5 spatial point =
spread function characterization using the small science aperture. This =
is to study and evaluate the scattering of light contributed by objects =
within 3 arcseconds of the GHRS's aperture. The observations were =
completed as planned, and no problems were reported.

1.15 Completed FOS/RD 6715 (Ultraviolet Spectra of Saturn's =
Satellites, Ion Modification)

The Faint Object Spectrograph (Red Side) was used to make =
ultraviolet spectrographic observations of Saturn's medium-sized moon =
Dione in order to study the ion modification of the moon's surface ice =
caused by one or more external processes. The observations were =
completed as scheduled, and no problems were reported.

1.16 Completed FGS 6479 (Masses of Low Luminosity Hyades Cluster =
Members)

The FGSs were used to make astrometric observations of low =
luminosity star VA351 which is a member to the Hyades Cluster. This =
cluster, owing to its nearness, richness, and young age, occupies a =
pivotal role in the studies of star formation and stellar populations. =
The observations were executed as planned, and no anomalies were =
reported.

1.17 Completed WF/PC-2 6937 (WF/PC-2 Cycle 6 CTE Calibration)

The WF/PC-2 was used to make internal flat calibration images as =
part of a CTE Cycle 6 calibration procedure. This procedure will test =
whether the exposure time dependence of the photometric calibration is =
due to the CTE (long vs. short exposure problem), and refine flux and =
background level dependent aperture corrections. The calibration =
operations were completed as planned, and no problems were reported

1.18 Completed FOS/RD 6547 (Cooled Gas in X-Ray Emitting Elliptical =
Galaxies)

The Faint Object Spectrograph (Red Side) was used to make =
spectrographic observations of the quasi-stellar object/galaxy QSO1219+05 =
in order to study the cool gas absorption spectra in this x-ray emitting =
elliptical galaxy. It is thought that the origin of the gas is stellar =
mass loss, and the x-ray emission cools the gas, leading to cooled =
material that is distributed through the galaxy. The observations were =
completed as scheduled, and no anomalies were noted.

1.19 Completed WF/PC-2 6361 (High Resolution Imaging of X-Ray Selected =
AGNs)

The WF/PC-2 was used to make high resolution observations of the =
known low red shifted x-ray active galactic nuclius (AGN) MS1143.5-0. =
These data will allow a study of the optical properties of an unbiased =
sample of AGN host galaxy. The observations were completed as scheduled, =
and no problems were reported.

1.20 Completed GHRS/1 6723 (Physical Conditions Near High Galactic =
Latitude Molecular Clouds)

The High Resolution Spectrograph (Side One) was used to make =
observations of background star HD28497 whose light passes through a high =
galactic molecular cloud. They are looking for complex interstellar line =
profiles of Na II, Ca II and K. The observations were completed as =
planned, and no problems were reported.

1.21 Completed WF/PC-2 6363 (The Environments and Host Galaxies of =
BL-Lac Objects)

The WF/PC-2 was used to make snapshot survey observations of =
BL-Lac object 1ES0229+20 in order to study its environment and its host =
galaxy. The goal is to investigate systematic trends in host galaxy =
type, unusual morphological features, nearby companion galaxies, etc. =
The observations were executed as scheduled, and no anomalies were noted.

1.22 Completed GHRS/1 6700 (GHRS Spectroscopy of the Exposed White =
Dwarf in The High Accretion Rate Dwarf Nova RX And)

The High Resolution Spectrograph (Side One) will be used to make =
ultraviolet spectrographic observations of the exposed, white dwarf nova, =
star RX-And in order to study its high accretion rates. The observations =
were completed as planned, and no anomalies were reported.

1.23 Completed WF/PC-2 6360 (A Snapshot Survey of "Radio Loud" IRAS =
Galaxies)

The WF/PC-2 was used to make snapshot survey observations of the =
radio loud IRAS galaxy GAL-2336+2. The instrument was used to discern =
high surface brightness structures in its post-starburst active nuclear =
regions. The observations were completed as scheduled, and no anomalies =
were reported.

1.24 Completed GHRS/1 6638 (Physics of Defuse Clouds in the Local =
Bubble, Part 1)

The High Resolution Spectrograph (Side One) was used to make =
observations of star HD52089 (aka, the Canus Major "Tunnel") in order to =
study the physics of the defuse clouds in the local bubble. This high =
resolution spectroscopy will enable the proposers to characterize the =
interface between diffuse clouds and the hot bubble, measure the =
ionization state and depletion level on the local environment. The =
observations were executed as scheduled, and no anomalies were noted.

1.25 Completed WF/PC-2 6713 (Geometric Measurement of Galaxy Distance)

The WF/PC-2 was used to make observations of supernova remnant =
SN1991T in order to make a distance calibration for the galaxy in which =
it is located. The supernova is being used as a powerful new geometric =
method for the determination of a galaxy's distance, by obtaining high =
spatial resolution imageing polarization of the candidate supernova light =
echoes. The observations were completed as planned, and no anomalies =
were reported.

1.26 Completed WF/PC-2 6802 (Cosmology With the Medium Deep Survey)

The WF/PC-2 was used to make observations taken in parallel with =
the prime science observations as part of the Medium Deep Sky Survey. =
The observations were executed as scheduled, and no problems were =
reported.

2.0 FLIGHT OPERATIONS SUMMARY:

2.1 Guide Star Acquisitions:

Scheduled Acquisitions : 24
Successful : 24

Scheduled Reacquisitions : 24
Successful : 24

2.2 FHST Updates:

Scheduled : 43
Successful : 43

2.3 Operations Notes:

Following JIS #7, HST operations personnel returned to the MOR at =
356/0330Z.

A TTR was written to document several commands that were dropped =
(and subsequently retransmitted) during a NSSC-1 uplink at 356/1947Z.

The STR #1 dump scheduled at 356/0431Z had to be replayed two =
additional times in order to acquire missing FOS and WFPC data.

3.0 SIGNIFICANT FORTHCOMING EVENTS:

Nothing at this time.
/DMH