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VB 10
VB 10 or Van Biesbroeck's star is a very small and very dim red dwarf〔(【引用サイトリンク】 title=V1298 Aql )〕 located in the constellation Aquila. It is part of a binary star system. Although it is relatively close to Earth, at about 19 light years, VB 10 is a dim magnitude 17, making it difficult to image with amateur telescopes as it can get lost in the glare of the primary star.〔(【引用サイトリンク】 title =SIMBAD query result: V
* V1298 Aql -- Flare Star )〕
== History ==
VB 10 was discovered in 1944 by the astronomer George van Biesbroeck using the Otto Struve reflector telescope at the McDonald Observatory. He found it while surveying the telescopic field of view of the high-proper-motion red dwarf Gliese 752 (Wolf 1055), for companions. Wolf 1055 had been catalogued 25 years earlier by German astronomer Max Wolf using similar astrophotographic techniques. It is designated VB 10 in the 1961 publication of Van Biesbroeck's star catalog. Later, other astronomers began referring to it as Van Biesbroeck's star in honor of its discoverer. Because it is so dim and so close to its much brighter primary star, earlier astronomical surveys missed it even though its large parallax and large proper motion should have made it stand out on photographic plates taken at different times.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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