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Spectral morphology in the open cluster Collinder 228
1981
Publications of the Astronomical Society of the Pacific
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We classified 58 stars in the field of the open cluster Collinder 228. Using these data and a normal reddening law we derived a distance for the cluster of 2.6 kpc. Among the stars observed we found two shell stars, four double-line binaries (one previously known), and three stars with evidence of a companion in their spectra. Also we found nine stars with the hydrogen lines broad in the range B0-B2.
doi:10.1086/130913
fatcat:d6uimze6mfhxxelf3qkz26nrfa