Variable Stars Stars Astronomy
Variable Stars Stars Astronomy
Variable Stars are stars that change brightness. Their brightness can change from just a fraction (not even noticeable to the naked eye) up to 20 magnitudes. To get an idea of how much a magnitudes is, consider that the difference between brightest star one can see outside at night (in a fairly dark area) and the dimmest is about 6 magnitude. Over 300,000 variable stars are known and have been cataloged.
Top: Science: Astronomy: Stars: Variable Stars
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A Ritzian Interpretation of Variable Stars - A study on the nature of the speed of light in space using light curves and spectroscopic observations of variable stars as evidence.
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Information Bulletin on Variable Stars - The IBVS is a bulletin of Commissions 27 and 42 of the International Astronomical Union, published by Konkoly Observatory, Budapest, Hungary.
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General Catalog of Variable Stars Research Group - Research group working on the GCVS, Sternberg Astronomical Institute, Moscow, Russia. Includes catalogs and publications.
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American Association of Variable Star Observers - The largest organization for variable stars: provides professional and amateur collaboration, research, and analysis of variable star observations.
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The Minima of Algol - An article by Alan MacRobert from Sky and Telescope Magazine about the star Algol (Beta Persei) was the first eclipsing variable star ever discovered.
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Skyandtelescope.com - Variable Stars - Observing variable stars.
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Astronomical Society of South Australia - ASSA's variable star group. News, FAQ, charts, and software.
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The Top Twelve Naked-Eye Variable Stars - An article by John Isles from Sky and Telescope Magazine.
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Astronomy On-Line - Collaborative Project aimed at getting new people involved in variable star observing.
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Brigham Young University Variable Star Database - Currently contains 311 stars which have been classified as Delta Scutis or Gamma Doradus in some published source.
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