The chemical compositions of the open clusters Be 94 and NGC 457

Details The chemical compositions of the open clusters Be 94 and NGC 457 The chemical compositions of the open clusters Be 94 and NGC 457

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...286..449d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 286, no. 2, p. 449-452

Astronomy and Astrophysics

Astrophysics

4

Abundance, B Stars, Interstellar Matter, Main Sequence Stars, Metallicity, Open Clusters, Stellar Composition, Stellar Structure, Astronomical Models, Astronomical Spectroscopy, Local Thermodynamic Equilibrium, Stellar Atmospheres

Scientific paper

High resolution spectroscopy of main-sequence B-type stars in two relatively nearby galactic open clusters, NGC 457 and Be 94, have been obtained using the Isaac Newton Telescope on La Palma. These data have been analyzed using local thermodynamic equilibrium (LTE) model-atmosphere techniques to derive photospheric abundances, which are combined with previous data to discuss the current chemical composition of the interstellar medium in the Perseus spiral arm.

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