The cyanogen inhomogeneity of NGC 362

Details The cyanogen inhomogeneity of NGC 362 The cyanogen inhomogeneity of NGC 362

Mar 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983aj.....88..410s&link_type=abstract

Astronomical Journal, vol. 88, Mar. 1983, p. 410-417.

Astronomy and Astrophysics

Astronomy

16

Abundance, Cyanogen, Globular Clusters, Stellar Spectrophotometry, Subgiant Stars, Hertzsprung-Russell Diagram, Horizontal Branch Stars, Stellar Luminosity, Stellar Magnitude

Scientific paper

The cyanogen distribution among the subgiants in NGC 362 has been investigated by using a panoramic photometry technique employing narrowband filters designed to measure the strength of the lambda 3883 CN band. This distribution is found to be bimodal, with a heavy preference towards CN-rich stars. The cyanogen variations are found among giants two magnitudes fainter than the Sweigart and Mengel critical luminosity at which CN surface abundance variations are predicted to first appear.

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