Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-04-05
Astronomy and Astrophysics
Astrophysics
Accepted for publication on A&A
Scientific paper
10.1051/0004-6361:20042109
The selective abundance of C, N, O (almost solar) with respect to that of other elements (underabundant) in lambda Boo stars has been interpreted as a characteristic peculiarity of these objects, when considered as single stars. We show here that a similar selective abundance is predicted from the composite spectra resulting from two unresolved stars in the same temperature range as the lambda Boo stars.
Bonifacio Piercarlo
Faraggiana Rosanna
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