The neon abundance of the Wolf-Rayet star in Gamma-2 Velorum

Details The neon abundance of the Wolf-Rayet star in Gamma-2 Velorum The neon abundance of the Wolf-Rayet star in Gamma-2 Velorum

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...149l..17v&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 149, no. 1, Aug. 1985, p. L17-L19.

Astronomy and Astrophysics

Astronomy

27

Abundance, Binary Stars, Infrared Spectra, Neon Isotopes, Stellar Composition, Wolf-Rayet Stars, Galactic Cosmic Rays, Infrared Astronomy Satellite, Isotopic Enrichment, Stellar Mass Ejection

Scientific paper

Spectra obtained with the Low Resolution Spectrograph of IRAS were analyzed to determine the Ne/He abundance ratio of the WC8 component in the Wolf-Rayet binary star Gamma-2 Velorum. Identifications for the strongest emission lines are given in a table. A Ne/He abundance of 0.009 was calculated, which is in good agreement with previous theoretical calculations. The abundance ratio implies a significant galactic enrichment of the isotope Ne-22 by WC stars.

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