Identification of lambda Bootis stars using IUE spectra. II. High resolution data

Details Identification of lambda Bootis stars using IUE spectra. II. High resolution data Identification of lambda Bootis stars using IUE spectra. II. High resolution data

Aug 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999a%26a...348..825s&link_type=abstract

Astronomy and Astrophysics, v.348, p.825-830 (1999)

Astronomy and Astrophysics

Astrophysics

4

Stars: Chemically Peculiar, Stars: Early-Type, Ultraviolet: Stars

Scientific paper

Stars included in the catalogue of lambda Bootis stars by Paunzen et al. (\cite{Paunzen97}) with high resolution spectra (FWHM: 0.10-0.25 Ä) in the INES Archive of the International Ultraviolet Explorer satellite (IUE) are analyzed here in order to establish membership criteria for the lambda Bootis group. Line-ratios of carbon to heavier elements (Si, Al, Ca) were adopted as criteria in the SWP range (1150-1980 Ä). For the LWP range (1850-3350 Ä), the intensity of metallic lines (Fe and Mg) was used. These criteria, together with those derived for low resolution spectra, make the IUE Final Archive a powerful tool to find new {lambda Bootis} candidates.

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