uvby photometry of theta CrB (Fabregat+ 1998)

Details uvby photometry of theta CrB (Fabregat+ 1998) uvby photometry of theta CrB (Fabregat+ 1998)

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997ycat..33290579f&link_type=abstract

VizieR On-line Data Catalog: J/A+A/329/579. Originally published in: 1998A&A...329..579F

Computer Science

Stars: Be, Photometry: Uvby

Scientific paper

We present differential uvby photometry of θ CrB obtained in 1994 and 1995, complemented by Balmer line spectroscopy. This star has been constant during this period, showing no short term periodic variability with an amplitude greater than 0.005mag., nor long term variations greater than 0.01mag. The lack of variability is associated with an inactive phase of the Be star, in which no emission features are present in the spectra. The only remarkable event observed was a fading episode on JD 2449779, with an amplitude of about 0.02 magnitudes in all bandpasses and duration of 0.2-0.3 days.
(3 data files).

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