Be stars in open clusters. III. A uvby-beta calibration for the astrophysical parameters of Be stars

Details Be stars in open clusters. III. A uvby-beta calibration for the astrophysical parameters of Be stars Be stars in open clusters. III. A uvby-beta calibration for the astrophysical parameters of Be stars

1997-12-18

arxiv.org/abs/astro-ph/9712246v1

Astronomy and Astrophysics

Astrophysics

10 pages, 4 figures. To be published in Astronomy & Astrophysics

Scientific paper

We present an empirical calibration of the uvby-beta photometric system to
determine the intrinsic colours and indices and the astrophysical parameters of
the underlying star, valid for Be stars earlier than B5. The procedure allows
the determination of the interstellar reddening with an accuracy of 0.033 mag.
(rms), and the absolute magnitude with an accuracy of 0.7 mag.

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