Sign on

SAO/NASA ADS Astronomy Abstract Service

· Find Similar Abstracts (with default settings below)
· Full Refereed Journal Article (PDF/Postscript)
· Full Refereed Scanned Article (GIF)
· On-line Data
· References in the article
· Citations to the Article (4) (Citation History)
· Refereed Citations to the Article
· SIMBAD Objects (4)
· Also-Read Articles (Reads History)
·
· Translate This Page
Title:
Goddard High-Resolution Spectrograph Observations of the Interacting Binary System W Serpentis
Authors:
Weiland, J. L.; Shore, S. N.; Beaver, E. A.; Lyons, R. W.; Rosenblatt, E. I.
Publication:
Astrophysical Journal v.447, p.401 (ApJ Homepage)
Publication Date:
07/1995
Origin:
APJ; KNUDSEN
ApJ Keywords:
ACCRETION, ACCRETION DISKS, STARS: BINARIES: ECLIPSING, STARS: CIRCUMSTELLAR MATTER, STARS: INDIVIDUAL CONSTELLATION NAME: W SERPENTIS, ULTRAVIOLET: STARS
DOI:
10.1086/175883
Bibliographic Code:
1995ApJ...447..401W

Abstract

Spectroscopic observations of the interacting binary system W Serpentis have been made at two orbital phases using the Goddard High-Resolution Spectrograph (GHRS) aboard the Hubble Space Telescope (HST). Differences in Si IV t393, 1403λλ emission-line strengths and profile shapes observed between the two phases suggest that a hot spot exists where the giant stellar companion has transferred mass to an accretion disk surrounding the mass-gaining component. Moreover, strong absorption features superposed on the Si IV emission lines indicate that the accretion disk is geometrically and optically thick. These absorption features have been modeled to constrain the physical conditions of the disk.

Printing Options

Print whole paper
Print Page(s) through

Return 600 dpi PDF to Acrobat/Browser. Different resolutions (200 or 600 dpi), formats (Postscript, PDF, etc), page sizes (US Letter, European A4, etc), and compression (gzip,compress,none) can be set through the Printing Preferences


More Article Retrieval Options

HELP for Article Retrieval
Bibtex entry for this abstract   Preferred format for this abstract (see Preferences)
   

Find Similar Abstracts:

Use: Authors
Title
Keywords (in text query field)
Abstract Text
Return: Query Results Return    items starting with number
Query Form
Database: Astronomy
Physics
arXiv e-prints
    


SAO/NASA ADS Homepage | ADS Sitemap | Query Form | Basic Search | Preferences | HELP | FAQ