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Elemental Abundances of Sharp-Lined Metallic-Lined and Comparable Normal Stars

Published online by Cambridge University Press:  12 April 2016

Dursun Koçer ,
Saul J. Adelman ,
Çetin Bolcal  and
Graham Hill
Dursun Koçer*
Affiliation:
Department of Astronomy, Istanbul University, 34452 University, Istanbul, Turkey
Saul J. Adelman*
Affiliation:
Department of Physics, The Citadel, Charleston, SC 29409USA
Çetin Bolcal*
Affiliation:
Department of Physics, Istanbul University, 34459 Vezneciler, Istanbul, Turkey
Graham Hill
Affiliation:
Dominion Astrophysical Observatory, National Research Council of Canada, 5071 W. Saanich Road, Victoria, BC V8X 4M6Canada
*
*Guest Investigator, Dominion Astrophysical Observatory, Hertzberg Institute of Astrophysics, National Research Council of Canada
*Guest Investigator, Dominion Astrophysical Observatory, Hertzberg Institute of Astrophysics, National Research Council of Canada
*Guest Investigator, Dominion Astrophysical Observatory, Hertzberg Institute of Astrophysics, National Research Council of Canada

Abstract

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We are performing elemental abundances of sharp-lined metallic-lined stars and normal late A through middle F stars using 2.4 Å mm−1 photographic region spectrograms taken with the coudé spectrograph of the 1.4-m telescope of the Dominion Astrophysical Observatory. Our initial studies of the Am stars 15 Vul and 32 Aqr and the normal stars θ Cyg (F4 V) and ɩ Psc (F7 V) showed that the elemental abundances of the normal stars were close to solar while 15 Vul shows smaller abundance anomalies than does 32 Aqr. These analyses are being done consistently with SJA’s studies of the HgMn and hotter normal stars.

Type
I. General Properties of CP Stars
Information
International Astronomical Union Colloquium , Volume 138: Peculiar versus Normal Phenomena in A-Type and Related Stars , 1993 , pp. 213 - 217
Copyright
Copyright © Astronomical Society of the Pacific 1993

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