Analysis of the ultraviolet spectrum of RWT 152 - A subluminous O star with a main-sequence visual spectrum

Details Analysis of the ultraviolet spectrum of RWT 152 - A subluminous O star with a main-sequence visual spectrum Analysis of the ultraviolet spectrum of RWT 152 - A subluminous O star with a main-sequence visual spectrum

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...262..234e&link_type=abstract

Astrophysical Journal, Part 1, vol. 262, Nov. 1, 1982, p. 234-243.

Astronomy and Astrophysics

Astronomy

41

Early Stars, Main Sequence Stars, O Stars, Stellar Spectra, Ultraviolet Astronomy, Iue, Line Spectra, Spectrum Analysis, Stellar Atmospheres, Stellar Luminosity, Visible Spectrum

Scientific paper

Observations of luminous early-type stars provide one of the most sensitive ways to detect the low density gas of the interstellar medium. As part of an ongoing program studying the gas in the galactic halo, stars believed to be outside the plane of the Milky Way have been observed. In the interest of studying the halo gas in additional directions, a search has been conducted for candidate stars which are bright enough to be observable with the International Ultraviolet Explorer Satellite (IUE) high dispersion mode and far enough from the galactic plane to provide a long line of sight through the halo gas. One such star is star 152 in the catalog of Rubin, Westpfahl, and Tuve (1974), which is called RWT 152 in the investigation. The IUE spectra of RWT 152 were obtained and analyzed. It appears that RWT 152 is not a young massive star, but rather a low mass object in an advanced stage of evolution.

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