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New variable star in Andromeda
Astronomische Nachrichten, 1893A STAR that should be added to the list of variables is + 26°43, of the Bonn Durchmusterung, in which work its magnitude is given as 8˙7. In reply to a letter of mine, in which I expressed a doubt as to this star's existence, Dr. Kustner, of Bonn, informed me that although he had on the 7th of this month looked in vain for the star with the 6-inch ...
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2007
Although a substantial fraction of stars belong to binary or multiple star systems, most of these are wide binaries ; the average separation of the stars is tens or hundreds of times greater than the average distance of the earth from the sun. These are usually seen as visual binaries , if they are nearby.
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Although a substantial fraction of stars belong to binary or multiple star systems, most of these are wide binaries ; the average separation of the stars is tens or hundreds of times greater than the average distance of the earth from the sun. These are usually seen as visual binaries , if they are nearby.
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The Evolution of Compact Binary Star Systems
Living Reviews in Relativity, 2014Konstantin A Postnov
exaly
A candidate super-Earth planet orbiting near the snow line of Barnard’s star
Nature, 2018C Rodríguez-López
exaly