The rapid photometric variability of some Ae/Be-star envelopes

Details The rapid photometric variability of some Ae/Be-star envelopes The rapid photometric variability of some Ae/Be-star envelopes

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pazh...13..695p&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 13, Aug. 1987, p. 695-703. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astrophysics

1

A Stars, B Stars, Periodic Variations, Spectral Energy Distribution, Stellar Envelopes, Stellar Spectrophotometry, Balmer Series, Electrophotometry, Emission Spectra, H Alpha Line, H Beta Line

Scientific paper

The results of narrowband photometry of several Ae/Be stars of different types are presented. The observations were performed with the Crimean Astrophysical Observatory 70-cm AZT-8 telescope with a 5-channel photoelectric spectrometer. Variability with a characteristic time of several minutes to several days is found in the H-alpha and H-beta lines and in the region beyond the Balmer limit. Consideration is given to some mechanisms which can explain this variability.

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