Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.174....1g&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 174, no. 1, Dec. 1990, p. 1-11.
Astronomy and Astrophysics
Astrophysics
3
B Stars, Shell Stars, Variable Stars, Balmer Series, Emission Spectra, Light Curve, Stellar Envelopes, Stellar Spectrophotometry
Scientific paper
The long-term (from 1885 to 1986) behavior of Pleione was investigated by collecting data on its various parameters from different sources and displaying them simultaneously. It was found that different parameters show a long-term variability pattern and are well associated with each other during the course of variations. The analysis of the long-term behavior in the visible region showed that, since 1885, Pleione has passed through various phases: from Be to B, to the shell phase, to Be, to shell.
Goraya P. S.
Malhi J. S.
Sharma Samidha Dwivedi
Tur N. S.
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