cataclysmic binary stars

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• Cataclysmic variable star — Cataclysmic variable stars (CV) are stars which irregularly increase in brightness by a large factor, then drop back down to a quiescent state. They were initially called novae, from the Latin new , since ones with an outburst brightness visible… …   Wikipedia

• Binary star — For the hip hop group, see Binary Star (band). Hubble image of the …   Wikipedia

• Polar (cataclysmic variable) — A Polar (also AM Herculis Star) is a type of cataclysmic variable binary star system with a very strong magnetic field. In most cataclysmic variables, matter from a main sequence companion star is gravitationally stripped by a white dwarf star in …   Wikipedia

• X-ray binary — Artist s impression of an X ray Binary X ray binaries are a class of binary stars that are luminous in X rays. The X rays are produced by matter falling from one component, called the donor (usually a relatively normal star) to the other… …   Wikipedia

• Interacting binary star — An Interacting binary star is a type of binary star in which one or both of the component stars has filled or exceeded its Roche lobe. When this happens, material from one star will flow towards the other, forming an accretion disk. The physical… …   Wikipedia

• Stardome Observatory — (IAU observatory code 467, previously known as Auckland Observatory) is a public astronomical observatory situated in Cornwall Park in New Zealand s largest city, Auckland.Founded in 1967, the observatory is administered by the Auckland… …   Wikipedia

• White dwarf — For other uses, see White dwarf (disambiguation). Image of Sirius A and Sirius B taken by the Hubble Space Telescope. Sirius B, which is a white dwarf, can be seen as a faint pinprick of light to the lower left of the much brighter Sirius A …   Wikipedia

• Variable star — A star is classified as variable if its apparent brightness as seen from Earth changes over time, whether the changes are due to variations in the star s actual luminosity, or to variations in the amount of the star s light that is blocked from… …   Wikipedia

• Nova — For other uses, see Nova (disambiguation). Artist s conception of a white dwarf star accreting hydrogen from a larger companion A nova (plural novae) is a cataclysmic nuclear explosion in a star caused by the accretion of hydrogen on to the… …   Wikipedia

• Star — For other uses, see Star (disambiguation) …   Wikipedia

• List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general …   Wikipedia