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TOPIC: BD+20 2457

Blobrana

L

Posts: 131433

Date: Dec 27 09:39 2009

BD +20 2457	Permalink

Two brown dwarf-sized objects orbiting a giant old star show that planets may assemble around stars more quickly and efficiently than anyone thought possible, according to an international team of astronomers. "We have found two brown dwarf-sized masses around an ordinary star, which is very rare" - Alex Wolszczan, Evan Pugh professor of astronomy and astrophysics, Penn State and lead scientist on the project. Read more __________________

Blobrana

L

Posts: 131433

Date: Dec 21 21:54 2009

BD+20 2457	Permalink

Brown dwarf pair mystifies astronomers Two brown dwarf-sized objects orbiting a giant old star show that planets may assemble around stars more quickly and efficiently than anyone thought possible, according to an international team of astronomers. Read more BD+20°2457 is a 10th magnitude K-type bright giant star located between 320 to 980 light years away in the constellation of Leo. On June 10, 2009 two substellar objects BD+20°2457 b and c were discovered orbiting the star. Source Position(2000): RA 10 16 44.8635, Dec +19 53 28.974 __________________

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