Periodic Be stars in NGC 3766

Details Periodic Be stars in NGC 3766 Periodic Be stars in NGC 3766

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.234..373v&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 234, Sept. 15, 1988, p. 373-387.

Astronomy and Astrophysics

Astronomy

17

Astronomical Photometry, B Stars, Galactic Clusters, Light Curve, Ubv Spectra, Emission Spectra, Line Spectra, Stellar Models

Scientific paper

The authors present results of a continuous four-week photometric campaign on 14 Be stars in the galactic cluster NGC 3766. Comparisons are made with results from a similar campaign in 1985 on four of the stars. These are also now monitored in three colours to determine possible temperature variations. Of the remaining 10 Be stars, only two show signs of periodic variability. The amplitudes of these stars and the shapes of the light curves differ considerably over the two-yr interval, but the periods have remained the same. A double-wave light curve in one season may change to a single-wave of the same period and vice versa. The authors discuss the nature of the short-period variations in the light of these findings.

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