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Title: The ultraviolet spectrum of Procyon. I - The atlas from 2030 to 2371 A
Authors: Faraggiana, R.; Castelli, F.; Morossi, C.; Kondo, Y.; van der Hucht, K. A.
Affiliation: AC(Trieste, Universita; Osservatorio Astronomico, Italy) AD(NASA, Goddard Space Flight Center, Greenbelt, MD) AE(Laboratorium voor Ruimteonderzoek, Utrecht, Netherlands)
Journal: Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 61, Aug. 1986, p. 719-800. (ApJS Homepage)
Publication Date: 08/1986
Category: Astrophysics
Origin: STI
NASA/STI Keywords: ASTRONOMICAL CATALOGS, BINARY STARS, LINE SPECTRA, SPECTRUM ANALYSIS, STELLAR SPECTRA, ULTRAVIOLET SPECTRA, ABUNDANCE, CHEMICAL COMPOSITION, IUE, NORMAL DENSITY FUNCTIONS, STELLAR MODELS, STELLAR TEMPERATURE, VISIBLE SPECTRUM
Bibliographic Code: 1986ApJS...61..719F

Abstract

The high-resolution ultraviolet spectrum of Procyon (F5 IV-V) in the range 2030-2371 A is analyzed by using BUSS VIII and IUE data. A detailed identification is performed with the synthetic spectrum method. The theoretical spectrum has been computed with a Kurucz blanketed model, and using an extended and updated version of the Kurucz and Peytremann log gf tables. The convolution of the computed spectrum with a Gaussian broadening function shows that the observations are well reproduced with a total broadening velocity (stellar plus instrumental) of 10.8 km/s. An atlas of the spectrum observed by BUSS VIII is given. The IUE and BUSS VIII observations are compared with each other, and the overlapping spectra are displayed. An estimate of the quality of the line list, of the atomic data, and of the abundances used for the computations has been derived. Elements predicted as being present in the region studied, but not observed in the visual range, are discussed.

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