منابع مشابه
Accretion in Cataclysmic Variable Stars
We consider accretion onto the white dwarfs in cataclysmic variables in relation to nova eruptions, dwarf nova outbursts, hibernation and non-radial oscillations.
متن کاملDiscovery of a bright eclipsing cataclysmic variable
Aims. We report on the discovery of J0644+3344, a bright deeply eclipsing cataclysmic variable (CV) binary. Methods. Optical photometric and spectroscopic observations were obtained to determine the nature and characteristics of this CV. Results. Spectral signatures of both binary components and an accretion disk can be seen at optical wavelengths. The optical spectrum shows broad H I, He I, an...
متن کامل0 Circumbinary Disks and Cataclysmic Variable Evolution
The influence of a circumbinary (CB) disk on the evolution of cataclysmic variable (CV) binary systems is investigated. We show that CB mass surface densities sufficient to influence the evolution rate are plausibly provided by the outflows observed in CVs, if the net effect of these winds is to deliver 10−4–10−3 of the mass transfer rate to the CB disk. The torque exerted by the CB disk provid...
متن کاملNew Cataclysmic Variable KUV 03580 + 0614
Photometric and spectroscopic observations of the candidate cataclysmic variable KUV03580+0614, independently found from the Hamburg survey as HS 0357+0614, reveal this to be a cataclysmic variable with an orbital period of 3.4 hrs. CVs with periods in this range are usually novalikes belonging to the SW Sex or Intermediate Polar categories. The variability, spectroscopic characteristics and th...
متن کاملFUSE Spectroscopy of the Transitional Magnetic Cataclysmic Variable
We present Far Ultraviolet Spectroscopic Explorer observations of the magnetic cataclysmic variable V405 Aurigae. Together with four other DQ Her type binaries, V405 Aur forms a small subclass of intermediate polars which are likely to evolve into low magnetic field strength polars, similar to AM Her. Our coadded FUSE spectrum exhibits broad O VI and C III emission-lines as well as a narrow O V...
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ژورنال
عنوان ژورنال: Astronomy & Astrophysics
سال: 2007
ISSN: 0004-6361,1432-0746
DOI: 10.1051/0004-6361:20077316