Anomalous C IV and SI IV resonance lines in 36 Lyncis

Details Anomalous C IV and SI IV resonance lines in 36 Lyncis Anomalous C IV and SI IV resonance lines in 36 Lyncis

Mar 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pasp...96..259s&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 96, March 1984, p. 259-262.

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7

B Stars, Peculiar Stars, Resonance Lines, Stellar Spectra, Ultraviolet Spectroscopy, X Ray Sources

Scientific paper

Anomalously strong resonance lines of C IV and Si IV are found in the UV spectrum of the chemically peculiar star 36 Lyncis. The C IV resonance lines near 1550 Å are not found in about 40 other middle or late B-type main-sequence stars. The C IV lines (Wλ ≡ 1.0 Å) are stronger than the Si IV lines (Wλ ≡ 0.7 Å) in 36 Lyn and such an intensity ratio is quite exceptional. The continuous energy distribution of 36 Lyn in the UV region fits with those of late B-type stars. The presence of a hot gas (chromosphere or corona) is suggested.

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