Long–term Variability of π Aqr

2000

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DOI 10.1017/s025292110005644x
Data confidence 70 medium
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Abstract

Abstract We present our recent photometric and spectroscopic observations of the bright classical Be star π Aquarii and analyse those available in literature. This star currently shows only weak signs of circumstellar emission and a low optical brightness. Physical parameters of the underlying star are determined from data obtained during quiescence, while those of its circumstellar disk are estimated during the active period.