Ultraviolet Radiation from Evolved Stellar Populations. I. Models | Zendy

Ben Dorman | Zendy; Robert T. Rood | Zendy; R. W. O’Connell | Zendy

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Ultraviolet Radiation from Evolved Stellar Populations. I. Models

Author(s) -

Ben Dorman,

Robert T. Rood,

R. W. O’Connell

Publication year - 1993

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/173511

Subject(s) - radiation , ultraviolet radiation , astronomy , physics , astrophysics , astrobiology , environmental science , optics , chemistry , radiochemistry

This series of papers comprises a systematic exploration of the hypothesisthat the far ultraviolet radiation from star clusters and elliptical galaxiesoriginates from extremely hot horizontal-branch (HB) stars and their post-HBprogeny. This first paper presents an extensive grid of calculations of stellarmodels from the Zero Age Horizontal Branch through to a point late in post-HBevolution or a point on the white dwarf cooling track. We use the term `ExtremeHorizontal Branch' (EHB) to refer to HB sequences of constant mass that do notreach the thermally-pulsing stage on the AGB. These models evolve after corehelium exhaustionComment: Paper is uuencoded compressed PostScript file. Figures for this paper are available from through anonymous ftp://ftp.virginia.edu/public_access/bd4r/uv1fig.u

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