Mechanism for cyclical activity of the Herbig Ae star BF Ori

Details Mechanism for cyclical activity of the Herbig Ae star BF Ori Mechanism for cyclical activity of the Herbig Ae star BF Ori

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ap.....53..367g&link_type=abstract

Astrophysics, Volume 53, Issue 3, pp.367-372

Astronomy and Astrophysics

Astrophysics

1

Stars, Variable- Individual, Bf Ori

Scientific paper

The photometric activity of the star BF Ori, which belongs to the family of UX Ori-type stars, is studied. New data obtained with the ASAS robotic telescope confirm the existence of a cyclical component in the light curve for this star with a duration of roughly 11-12 years. The form of the photometric cycle resembles the theoretical light curves for a young binary system with a low-mass secondary component, and which is accreting matter from a surrounding common disk. Alternative mechanisms for the cyclical variability of UX Ori stars are also discussed.

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