Friday, November 26, 2010

Astronomers find Rosetta stone for T-dwarf stars

November 23, 2010 - Astronomy Magazine
A star system with a cool methane-rich T-dwarf star and a dying white dwarf stellar remnant in orbit around each other gives scientists the first good handle on T-dwarfs’ mass and age.
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The methane dwarf was identified in the UKIRT Infrared Deep Sky Survey (UKIDSS) as part of a project to identify the coolest objects in the galaxy. The Gemini North Telescope in Hawaii measured the temperature and spectrum.
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