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Spectral Evolution of Nova Vulpeculae 1976

Published online by Cambridge University Press:  12 April 2016

P. Rafanelli  and
A. Vittone
P. Rafanelli
Affiliation:
Asiago Astrophysical Observatory, University of Padova
A. Vittone
Affiliation:
Asiago Astrophysical Observatory, University of Padova

Extract

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Nova Vulpeculae 1976 was discovered by G.E.D. Alcock (1976) on October 21, 1976 as a star of visual magnitude 6.5 in position (1950):

The visual light curve, plotted together with the color index B-V in fig.1, was obtained using the observations published in the I.A.U. Circulars. It shows a slow fall from maximum, about 2.5 magnitudes in 60 days, with characteristic fluctuations, an abrupt drop of about 3.5 magnitudes in 24 days, a slow recovery of one magnitude in 30 days, and a very gradual decline to minimum. The color index B-V remained almost constant near the mean value +1.1 during the slow early decline.

Type
Part II: Cataclysmic Variables
Information
International Astronomical Union Colloquium , Volume 42: The Interaction of Variable Stars with their Environment , 1977 , pp. 182 - 184
Copyright
Copyright © Veröff. Der Remeis-Sterwarte 1977

References

Alcock, G.E.D.: 1976, I.A.U. 2997 Google Scholar
Payne-Gaposchkin, C.: 1957, “The Galactic Novae”, North Holland Publishing Company CrossRefGoogle Scholar