Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.stsci.edu/ftp/observing/status_reports/old_reports_97/hst_status_01_06_97 Дата изменения: Mon Jan 6 16:23:41 1997 Дата индексирования: Sun Dec 23 10:47:43 2007 Кодировка: Поисковые слова: magellanic clouds

HUBBLE SPACE TELESCOPE

DAILY REPORT #1788

PERIOD COVERED: 0000Z (UTC) 01/03/97 - 0000Z (UTC) 01/06/97

Daily Status Report as of 006/0000Z

1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED:

1.1 Completed GHRS/2 6586 (A Metal Absorption Line System in the Local =
Supercluster)

The High Resolution Spectrograph (Side Two) was used to make =
spectrographic observations of the bright, Local Supercluster member, =
Seyfert III, ZW2 galaxy in order to study its metal Mg II absorption line =
system. It is possible that this galaxy is at the far edge of the local =
supercluster, and thus at the edge of the large void between the local =
supercluster and the Perseus-Pisces supercluster. The observations were =
executed as scheduled, and no anomalies were noted.

1.2 Completed GHRS/2 6649 (Calibrating Boron Abundances With RR Lyrae =
Stars)

The High Resolution Spectrograph (Side Two) was used to make =
Echelle Spectrographic observations of the RR-Lyra class star HD182989 in =
order to study its boron abundances. Spectral lines were observed near =
2495 A0. This star is expected to have a low boron abundance, so the =
lines will be sharp and unblended, and the temperature dependence of =
absorption can be measured as the star pulsates. A wavelength =
calibration image was also taken. The observations were completed as =
planned, and no problems were reported.

1.3 Completed Seven 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.

1.4 Completed Six Sets of FOS/BL 6407 (Post Asymptotic Giant Branch =
Evolution in the Magellanic Clouds)

The Faint Object Spectrograph (Blue Side) was used to make =
ultraviolet spectrographic observations of planetary nebulei LMC-SMP52, =
LMC-SMP1, LMC-SMP33, LMC-SMP15 and LMC-SMP77 which are located in the =
Large Magellanic Cloud. These data should give the spatial structure, =
size, ionized masses, and dynamic ages of these objects. The observations=
were executed as planned, and no problems were reported.

1.5 Completed GHRS/2 6455 (Metal Diffusion and Radiative Levitation in =
Hot Helium Rich White Dwarfs)

The High Resolution Spectrograph (Side Two) was used to make =
spectrographic observations of the hot, helium-rich, white dwarf star =
RE0503-289 in order to study its metal diffusion and radiative =
levitation. The data will be used to search for weak photospheric metal =
absorption lines which were too weak to be observed at optical wavelengths=
. The observations were executed as planned, and no anomalies were =
reported.

1.6 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 stars =
LMC-HV5936 and LMC-HV1263 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.

1.7 Completed GHRS/2 6530 (The Wind Momentum: Luminosity Relationship =
for LMC A and B Supergiants)

The High Resolution Spectrograph (Side Two) was used to make =
spectrographic observations the A/B class, supergiant star HD269651 which =
is located in the Large Magellanic Cloud. These data are part of a large =
effort to calibrate the wind momentum-luminosity function for supergiant =
stars. The observations were completed as planned, and no problems were =
reported.

1.8 Completed Two Sets of WF/PC-2 6741 (Synoptic Monitoring of =
Seasonal Phenomena on Mars)

The WF/PC-2 was used in the rapid mode to make observations of the =
surface and meteorological changes on the planet Mars in order to do =
synoptic monitoring of its seasonal phenomena. Special attention will be =
given to the Ares Valley region, which is intended as a landing site for =
the Mars Pathfinder mission. The observations were completed as planned, =
and no problems were reported.

1.9 Completed GHRS/1 6558 (The Accreting Magnetic White Dwarf in AM =
Her, Heating and Chemical Composition)

The High Resolution Spectrograph (Side One) was used to make =
spectrographic observations of the accreting, magnetic, binary system, =
white dwarf AM-Her in order to study its heating function and chemical =
composition. The objective is to study the physics of the accretion in =
great detail. A wavelength calibration image was also taken. The =
observations were completed as planned, and no anomalies were reported.

1.10 Completed FOS/BL 6799 (The BAL Region Covering Factor in a Sample =
of IRAS-Selected QSOs)

The Faint Object Spectrograph (Blue Side) was used to make =
spectrographic observations of QSO IR0345+005 in order to determine the =
criteria by which the presence of BALs in the spectra may be predicted. =
During the execution of this proposal, FOS status buffer messages were =
received indicating that there was an FOS target acquisition failure at =
004/092423Z. HSTAR 5866 was written. Otherwise, the observations were =
completed, and no further problems were reported.

1.11 Completed WF/PC-2 6802 (Cosmology with The Medium Deep Survey)

The WF/PC-2 was used to make observations in parallel with the =
prime science observations as part of the Medium Deep Survey. These =
parallel MDS exposures have provided unique high resolution images which =
clearly supplement the primary HST surveys. The observation were =
executed as scheduled, and no anomalies were noted

1.12 Completed WF/PC-2 6348 (Cosmology with The Medium Deep Survey)

The WF/PC-2 was used to make observations in parallel with the =
prime science observations as part of the Medium Deep Survey. =
Observations were made of radio galaxy 3C44.0. These parallel MDS exposur=
es have provided unique high resolution images which clearly supplement =
the primary HST surveys. The observation were executed as scheduled, and =
no anomalies were noted

1.13 Completed GHRS/1 6088 (Ultraviolet Tomography of the Chromosphere =
of the K2 Dwarf in V471 Tau)

The High Resolution Spectrograph (Side One) was used to make rapid =
mode ultraviolet tomographic observations of a K2 class binary dwarf star =
and its eclipsing binary white dwarf companion which are located in the =
cluster V471-Tau in order to study its chromosphere. The observations =
were completed as planned, and no anomalies were reported.

1.14 Completed FOS/RD 6508 (Specially Resolved Spectroscopy of New =
Compact Multiple Systems )

The Faint Object Spectrograph (Red Side) was used to make =
observations of star system NGC-2044 and its nearby companions. This =
star is in a compact cluster located in the Large Magellanic Cloud. The =
observations were completed as scheduled, and no anomalies were reported. =


1.15 Completed WF/PC-2/FOS/RD 6437 (Sins: Supernova Intensive Study - =
Cycle 6)

The WF/PC-2 and the Faint Object Spectrograph (Red Side) both were =
used to make observations of the supernova LMC-SN1987 and its =
circumstellar matter which is located in the Large Magellanic Cloud. The =
observations were completed as planned, and no problems were noted.

2.0 FLIGHT OPERATIONS SUMMARY:

2.1 Guide Star Acquisitions:

Scheduled Acquisitions : 22
Successful : 22

Scheduled Reacquisitions : 28
Successful : 28

2.2 FHST Updates:

Scheduled : 28
Successful : 28

2.3 Operations Notes:

A TTR was written for 9-minute, 20-second real-time data loss. =
The reason is currently unknown.

PDB 50.A was run over the weekend. No problems were noticed with =
this SM2 database.

3.0 SIGNIFICANT FORTHCOMING EVENTS:

SMGT-23, Part 1 (Rerun of SSR Simulator Capabilities Plus Other =
Miscellaneous Functions) will be run this morning.

/DMH