VBLUW photometry of OB associations - SPECTER at La Silla

Details VBLUW photometry of OB associations - SPECTER at La Silla VBLUW photometry of OB associations - SPECTER at La Silla

Mar 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986msngr..43....7d&link_type=abstract

ESO Messenger (ISSN 0722-6691), March 1986, p. 7-10.

Physics

1

B Stars, O Stars, Star Distribution, Stellar Spectrophotometry, Ubv Spectra, Centaurus Constellation, Hipparcos Satellite, Scorpius Constellation, Stellar Evolution, Stellar Rotation

Scientific paper

Results of VBLUW photometry of the OB association Sco OB2, obtained with the 91-cm Walraven photometer at the 91-cm Dutch ESO telescope by the Leiden Observatory consortium called SPECTER, are presented. Age determinations are made for the three main subgroups of Sco OB2. The nuclear age is found to be equal to the kinematic age, implying that the moment the stars arrived on the Main Sequence is close to the time that the stars became gravitationally unbound.

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