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Astron. Astrophys. 331, 633-638 (1998)

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Identification of Bootis stars using IUE spectra

I. Low resolution data *

E. Solano 1 and E. Paunzen 2

1 INSA, ESA IUE Observatory, P.O. Box 50727, E-28080 Madrid, Spain (esm@vilspa.esa.es)
2 Institut für Astronomie der Universität Wien, Türkenschanzstr. 17, A-1180 Wien, Austria (paunzen@astro.ast.univie.ac.at)

Received 10 April 1997 / Accepted 28 October 1997


An analysis of the stars included in the catalogue of [FORMULA] Bootis stars by Paunzen et al. (1997) and which also have IUE observations is presented here. Population I A-F type stars as well as field horizontal branch stars were also included in the analysis. Using line-ratios of carbon to heavier elements (Al and Ni) allows us to establish unambiguous membership criteria for the [FORMULA] Bootis group.

Key words: stars: chemically peculiar – stars: early type – ultraviolet: stars

* Tables 1-3 are only available in electronic form at CDS via anonymous ftp to cdsarc.u-strasbg.fr ( or via http://cdsweb.u-strasbg.fr/Abstract.html

Send offprint requests to: E. Solano (esm@vilspa.esa.es)

© European Southern Observatory (ESO) 1998

Online publication: February 16, 1998