A spectroscopic survey of NGC 663

Details A spectroscopic survey of NGC 663 A spectroscopic survey of NGC 663

Mar 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005besn...37...22n&link_type=abstract

Be Star Newsletter, No. 37, p. 22 - 24 (2005)

Computer Science

Be Stars, Open Clusters, Spectroscopic Surveys

Scientific paper

As part of our ongoing programme to search for Be+WD binaries in young open clusters and understanding the role of binarity in the Be phenomenon, we have conducted a spectroscopic survey of the "Be-rich" open cluster NGC 663. We have obtained intermediate resolution spectra of 140 likely members, down to B≍15.5. Unfortunately, we find that the total distance modulus to NGC 663 is rather larger than previously estimated, meaning that the sample is not complete down to the latest B spectral types. We find 5 previously undetected Be stars and thus conclude that photometric searches are only moderately successful at detecting Be stars with weak emission.

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