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Models for Vega

Published online by Cambridge University Press:  12 April 2016

Fiorella Castelli  and
Robert L. Kurucz
Fiorella Castelli
Affiliation:
CNR-Gruppo Nazionale Astronomia-Unità di Ricerca di Trieste Via G.B. Tiepolo 11 - 34131 Trieste -Italy
Robert L. Kurucz
Affiliation:
Harvard-Smithsonian Center for Astrophysics 60 Garden Street-Cambridge-Massachusetts 02138

Abstract

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By using the ATLAS9 code which requires the new opacity data from Kurucz (1992), we derived a new atmospheric model for Vega with parameters Teff=9500 K, log g=3.95, [M/H]=−0.5, ξ=2 kms s−1. The model was fixed by comparing observed and computed energy distributions and Balmer profiles.

Type
V. Theory of CP Star Photospheres
Information
International Astronomical Union Colloquium , Volume 138: Peculiar versus Normal Phenomena in A-Type and Related Stars , 1993 , pp. 496 - 501
Copyright
Copyright © Astronomical Society of the Pacific 1993

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