Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26a...301..811c&link_type=abstract
Astronomy and Astrophysics, v.301, p.811
Astronomy and Astrophysics
Astrophysics
9
Stars: Be, Stars: Variable, Techniques, Photometric, Stars: Individual: Pleione
Scientific paper
Pleione (28 Tau, HD 23862) has been measured in the Geneva photometric system since 1962, particularly throughout the latest shell episode (1973-1982). Here, we present and discuss the data of the 152 measurements obtained until 1993 in the special context of the properties of the Geneva system. The photometry allows us to evaluate a reliable colour excess and quantifies the very different behaviours of the Balmer and Paschen continua during the shell phase. Apart from its long term variability, both the magnitudes and colours of Pleione show significant variability on a night-to-night timescale during that phase.
Barylak Michael
Cramer Noel
de La Fuente Antonio
Doazan Vera
Nicolet Bernard
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