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AnimeFan188 · 2011-08-24, 11:13

"Scientists perusing data collected by NASA's Wide-field Infrared Survey Explorer
(WISE) have spotted some really cool stars – brown dwarfs with an atmospheric
temperature as low as an agreeable 25°C.

Dubbed "Y dwarfs", these objects have hitherto eluded astronomers hunting
them at visible wavelengths, although WISE has finally nailed six examples within
a distance of around 40 light-years from our own Sun."

"The NASA boffins are also excited about the Y dwarfs because of their relative
proximity to Earth. One of them, WISE 1541-2250, is roughly nine light-years from
our beloved homeworld, and "may become the seventh closest star system,
bumping Ross 154 back to eighth". NASA adds: "By comparison, the star closest
to our solar system, Proxima Centauri, is about four light-years away.""

See:

http://www.theregister.co.uk/2011/08/24/y_dwarfs/

2011-08-24, 11:13	Link #88
AnimeFan188 Senior Member Join Date: Jan 2008	Room-temperature brown dwarf spied just 9 light-years off "Scientists perusing data collected by NASA's Wide-field Infrared Survey Explorer (WISE) have spotted some really cool stars – brown dwarfs with an atmospheric temperature as low as an agreeable 25°C. Dubbed "Y dwarfs", these objects have hitherto eluded astronomers hunting them at visible wavelengths, although WISE has finally nailed six examples within a distance of around 40 light-years from our own Sun." "The NASA boffins are also excited about the Y dwarfs because of their relative proximity to Earth. One of them, WISE 1541-2250, is roughly nine light-years from our beloved homeworld, and "may become the seventh closest star system, bumping Ross 154 back to eighth". NASA adds: "By comparison, the star closest to our solar system, Proxima Centauri, is about four light-years away."" See: http://www.theregister.co.uk/2011/08/24/y_dwarfs/