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Title:
The old-nova GK Per. II - Optical outbursts
Authors:
Bianchini, A.; Sabbadin, F.; Hamzaoglu, E.
Affiliation:
AA(Osservatorio Astrofisico, Asiago, Italy), AB(Osservatorio Astrofisico, Asiago, Italy), AC(Ege University Observatory, Izmir, Turkey)
Publication:
Astronomy and Astrophysics, vol. 106, no. 1, Feb. 1982, p. 176-178. (A&A Homepage)
Publication Date:
02/1982
Category:
Astronomy
Origin:
STI
NASA/STI Keywords:
LIGHT CURVE, NOVAE, STELLAR LUMINOSITY, BURSTS, MASS TRANSFER, STELLAR MASS ACCRETION, STELLAR MASS EJECTION, STELLAR SPECTROPHOTOMETRY
Comment:
A&AA ID. AAA031.124.201
Bibliographic Code:
1982A&A...106..176B

Abstract

The paper reports the results of photographic and spectroscopic observations of the old-nova GK Per (1901) carried out in February-April 1981 when the nova underwent a particularly large optical outburst. The nova behavior during the outbursts is explained by an increase in the mass transfer rate from the late-type secondary onto the primary. The observed luminosity variation corresponds to an accretion rate changing from 10 to the 18th to 10 to the 20th g/s and to an increase in temperature, including the maximum temperature near the inner edge, by a factor of three.

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