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The Occurrence of Peculiar Stars in Open Clusters

descriptionPublicationkeyboard_double_arrow_right Article , Part of book or chapter of book , Other literature type 01 Jan 1978 English Publisher:Cambridge University Press (CUP)Journal:Symposium - International Astronomical Union, volume 80, pages 155-156 (issn: 0074-1809,

Authors: Helmut A. Abt; Hugo Levato;

doi: 10.1017/s0074180900145437 , 10.1007/978-94-009-9851-3_29

The Occurrence of Peculiar Stars in Open Clusters

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Abstract

We have classified on the MK system a total of 455 stars in 12 open clusters and associations. The classification is based on wide (1.2 mm) spectra of two reciprocal dispersions (39, 128 Å mm−1) obtained with the Kitt Peak 2.1 m and 90 cm reflectors, respectively. The higher dispersion is necessary to show the subtle peculiarities found in some stars. The clusters are the Orion Nebula cluster, Orion OB1 association, Lacerta OB1 association, IC 2602, IC 4665, Pleiades, M39, M34, NGC 2516, NGC 6633, NGC 6475, and Coma; two of these were done with Morgan.

Related Organizations

National Optical Astronomy Observatory
United States
Kitt Peak National Observatory
United States

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