The ultraviolet (IUE) spectra of the Lambda Bootis stars

Details The ultraviolet (IUE) spectra of the Lambda Bootis stars The ultraviolet (IUE) spectra of the Lambda Bootis stars

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...131..378b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 131, no. 2, Feb. 1984, p. 378-384.

Astronomy and Astrophysics

Astronomy

35

Peculiar Stars, Spaceborne Astronomy, Stellar Spectra, Ultraviolet Astronomy, Absorption Spectra, Carbon, High Resolution, Iue, Stellar Atmospheres

Scientific paper

Ultraviolet spectra of several λ Boo stars and λ Boo candidates have been obtained with the IUE satellite in low- and in high-resolution. It is possible to discriminate the λ Boo stars from the normal A stars on low resolution spectra by their strong absorption features at λλ1600, 1657(C I), 1931(C I), and 3040 Å. The λ1600 feature, about 80 Å wide and not resolved into lines in the high-resolution mode, and the λ3040 feature remain unidentified. The well-developed spectrum of neutral carbon in λ Boo suggests that C (and possibly also N) may not share the underabundances of the heavier elements.

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