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1998AJ....115.1175O - Astron. J., 115, 1175-1189 (1998/March-0)
An analysis of AAVSO observations of Z Camelopardalis.
OPPENHEIMER B.D., KENYON S.J. and MATTEI J.A.
Abstract (from CDS):
Our physical picture for Z Camelopardalis stars follows the standard disk instability mechanism for dwarf novae. The plateau outburst cycle is a series of minor, common ``inside out'' outbursts that lead to a major, plateau outburst that empties the accretion disk. Standstills occur when the mass transfer rate from the secondary star into the accretion disk surrounding the primary star is too large to produce dwarf nova outbursts. The system resembles a nova-like variable during standstill; it returns to the plateau outburst cycle when the mass transfer rate declines below some critical level. Our analysis suggests that irradiation of the secondary does not play a significant role in the evolution of M{dot}. Solar-type magnetic cycles are a more plausible mechanism.
Abstract Copyright: ∼
Journal keyword(s): Stars: Novae, Cataclysmic Variables - Stars: Individual: Constellation Name: Z Camelopardalis - Stars: Variables: Other
Simbad objects: 3
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