The young open clusters Berkeley 62 and Berkeley 86

Details The young open clusters Berkeley 62 and Berkeley 86 The young open clusters Berkeley 62 and Berkeley 86

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981pasp...93..441f&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 93, Aug.-Sept. 1981, p. 441-446. Research supported by the National Res

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19

Open Clusters, Stellar Spectrophotometry, Ubv Spectra, B Stars, Electrophotometers, Milky Way Galaxy, O Stars, Star Distribution

Scientific paper

Berkeley 62 and Berkeley 86, two previously unstudied open clusters whose brightest probable members are OB stars are discussed. Photoelectric UBV observations show Be 62 lying at a distance of 2.05 + or - 0.24 kpc with a reddening of E(B-V) = 0.86 + or - 0.04 and earliest spectral type B1. It is found that Be 86 lies 1.72 + or - 0.20 kpc from the sun with a reddening of E(B-V) = 0.96 + or - 0.07 and earliest spectral type O9. Spectroscopic observations of six stars in Be 86 indicate a ratio E(U-B)/E(B-V) = 0.77 + or - 0.05, which is in agreement with other determinations made in the Cygnus region. It is noted that both clusters are young enough to be used as spiral arm tracers.

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