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Further Evolution of V 1016 Cygni, 1974-77

Published online by Cambridge University Press:  12 April 2016

F. Ciatti ,
A. Mammano  and
A. Vittone
F. Ciatti
Affiliation:
Asiago Astrophysical Observatory
A. Mammano
Affiliation:
Asiago Astrophysical Observatory
A. Vittone
Affiliation:
Asiago Astrophysical Observatory

Extract

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V 1016 Cygni is a peculiar variable star, whose brightness increased from about 16 mag in 1963 (previously it was known to have a LPV spectrum) to about 11 mag in 1967. Since then it has been nearly constant at maximum. Our last photometric observations, from May to August 1977, indicate that the star is still in its protracted maximum at a constant brightness. We have measured B = 11.1 and V = 10.8 (± 0.2 mag s.e.).

Type
Part III: Evolved Stars
Information
International Astronomical Union Colloquium , Volume 42: The Interaction of Variable Stars with their Environment , 1977 , pp. 595
Copyright
Copyright © Veröff. Der Remeis-Sterwarte 1977