EUVE photometry of SS Cygni: Dwarf nova outbursts and oscillations | Zendy

C. W. Mauche | Zendy

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EUVE photometry of SS Cygni: Dwarf nova outbursts and oscillations

Author(s) -

C. W. Mauche

Publication year - 1995

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/86972

Subject(s) - astrophysics , physics , dwarf nova , photometry (optics) , light curve , astronomy , extreme ultraviolet lithography , accretion disc , flux (metallurgy) , cataclysmic variable star , white dwarf , stars , optics , materials science , metallurgy

The authors present EUVE Deep Survey photometry and AAVSO optical measurements of the 1993 August and 1994 June/July outbursts of the dwarf nova SS Cygni. The EUV and optical light curves are used to illustrate the different response of the accretion disk to outbursts which begin at the inner edge and propagate outward, and those which begin at the outer edge and propagate inward. Furthermore, the authors describe the properties of the quasi-coherent 7--9 s sinusoidal oscillations in the EUV flux detected during the rise and plateau stages of these outbursts

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