A new cluster containing 2 Wolf-Rayet-stars and 2 Of-stars

Details A new cluster containing 2 Wolf-Rayet-stars and 2 Of-stars A new cluster containing 2 Wolf-Rayet-stars and 2 Of-stars

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977a%26a....58..351h&link_type=abstract

Astronomy and Astrophysics, vol. 58, no. 3, June 1977, p. 351-356.

Astronomy and Astrophysics

Astrophysics

12

Early Stars, Hot Stars, O Stars, Star Clusters, Ubv Spectra, Wolf-Rayet Stars, B Stars, Interstellar Extinction, Open Clusters, Stellar Evolution, Stellar Spectrophotometry

Scientific paper

A very young open star cluster located at galactic longitude 348.7 deg and latitude -0.8 deg, which contains at least 15 OB stars, has been confirmed on the basis of photoelectric UBV photometry and moderate-dispersion spectroscopy. Reddened by 1.85 magnitudes, it is 2.9 + or - 0.4 kpc distant in the spiral arm - II. Two of the stars are of type WN8+OB; two others are of type O4f and O5f. Their absolute visual magnitudes are compatible with membership. The evolutionary relationship of WR and Of stars is discussed.

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