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star catalog |
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star catalog [′stär ¦kad·əl‚äg] (astronomy) A comprehensive tabulation of data concerning the stars listed; the data may include, for example, apparent positions, brightness, motions, parallaxes, and other properties of stars. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| New observations of a bright star designated MWC560--first listed in the Mount Wilson star catalog nearly 50 years ago but never studied in detail now--reveal an unusual pattern of brightening, apparently caused by a rapid but erratic ejection of gas from the system. Requiring no more than power and an occasional clock update from the host spacecraft, the ISC initializes upon startup, acquires and identifies stars from its own star catalog, and uses its "lost in space" algorithms to determine the direction in which it is pointing. the leader in high performance database engines that manage complex data, real-time applications and very large volumes of data, today announced that the Catalogs and Surveys Branch of the Space Telescope Science Institute (STScI) has been using Objectivity/DB for its four terabyte Guide Star Catalog (GSC). |
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