nova like variable stars

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• 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

• Stars and planetary systems in fiction — The planetary systems of stars other than the Sun and the Solar System are a staple element in much science fiction. Contents 1 Overview 1.1 The brightest stars …   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

• Variable star — Star Star (st[aum]r), n. [OE. sterre, AS. steorra; akin to OFries. stera, OS. sterro, D. ster, OHG. sterno, sterro, G. stern, Icel. stjarna, Sw. stjerna, Dan. stierne, Goth. sta[ i]rn[=o], Armor. & Corn. steren, L. stella, Gr. asth r, a stron,… …   The Collaborative International Dictionary of English

• Stars and Stripes — Star Star (st[aum]r), n. [OE. sterre, AS. steorra; akin to OFries. stera, OS. sterro, D. ster, OHG. sterno, sterro, G. stern, Icel. stjarna, Sw. stjerna, Dan. stierne, Goth. sta[ i]rn[=o], Armor. & Corn. steren, L. stella, Gr. asth r, a stron,… …   The Collaborative International Dictionary of English

• Variable Star — For the astronomical object, see Variable star. infobox Book | name = Variable Star title orig = translator = image caption = author = Robert A. Heinlein Spider Robinson cover artist = Stephan Martiniere country = United States language = English …   Wikipedia

• Dwarf nova — HT Cas seen in outburst (mag 13.4) on 2010 November 2. Li …   Wikipedia

• Semiregular variable star — Semiregular variable stars are giants or supergiants of intermediate and late spectral type showing considerable periodicity in their light changes, accompanied or sometimes interrupted by various irregularities. Periods lie in the range from 20… …   Wikipedia

• Orion variable — An Orion variable is a variable star which exhibits irregular and eruptive variations in its luminosity and is typically associated with diffuse nebulae. It is thought that these are young stars which will later become regular, non variable stars …   Wikipedia

• 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

• Cepheid variable — This article is about a class of pulsating stars. For the similarly named constellation, see Cepheus (constellation). Cepheids redirects here. For the fictional species, see Blind Alley . A Cepheid (  /ˈs …   Wikipedia