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Issue A&A
Volume 392, Number 2, September III 2002
Page(s) 613 - 617
Section Stellar atmospheres
DOI http://dx.doi.org/10.1051/0004-6361:20020775



A&A 392, 613-617 (2002)
DOI: 10.1051/0004-6361:20020775

Elemental abundance study of the CP star HD 206653

J. F. Albacete-Colombo1, Z. López-García2, 3, 4, H. Levato2, 3, S. M. Malaroda2, 5 and M. Grosso2

1  Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque S/N, 1900 La Plata, Argentina
2  Complejo Astronómico El Leoncito, C.C 467, 5400 San Juan, Argentina
3  Member of the Carrera del Investigador Científico, CONICET, Consejo Nacional de Investigaciones Científicas y Técnicas de la República Argentina
4  Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de San Juan, Argentina
5  Comisión de Investigaciones Científicas de la Provincia de Buenos Aires, Argentina

(Received 30 October 2001 / Accepted 11 April 2002 )

Abstract
An analysis of the abundances of the Silicon star HD 206653 is presented using an ATLAS9 model atmosphere and observational material taken with a REOSC echelle spectrograph attached to the Jorge Sahade 2.15 m telescope at CASLEO. The light elements are solar or deficient except silicon which is overabundant by a factor of 5. The iron peak elements are all overabundant by factors between 10 and 50. Sr and Y are around 1000 times the solar values. Among the Rare Earths only Ce and Eu are identified; both are overabundant by large factors.


Key words: stars: chemically peculiar -- stars: abundances -- stars: individual: HD 206653

Offprint request: H. Levato, hlevato@casleo.gov.ar

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© ESO 2002


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