Element identifications in IUE spectra of chemically peculiar stars - The Pt-Au-Hg sequence

Details Element identifications in IUE spectra of chemically peculiar stars - The Pt-Au-Hg sequence Element identifications in IUE spectra of chemically peculiar stars - The Pt-Au-Hg sequence

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26as...77..345f&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 77, no. 3, March 1989, p. 345-350.

Astronomy and Astrophysics

Astrophysics

12

Iue, Metallic Stars, Peculiar Stars, Abundance, Gold, Line Spectra, Main Sequence Stars, Mercury (Metal), Metallicity, Platinum, Stellar Spectrophotometry

Scientific paper

The presence of the elemental sequence Pt-Au-Hg in IUE spectra of chemically peculiar and normal stars is discussed. The sample comprises the HgMn (= CP3) stars HR4072, HR7775, and Chi Lup; the Ap (= CP2) stars HR465 and Alpha2 CVn; and the normal stars Vega (A0V) and Nu Cap (B9V). UV lines of Pt II, Au II and Hg II are identified on IUE spectra for all five CP stars, while there is no clear indication for such transitions in the spectra of the two normal stars.

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