Mar 11

A Very Cool Pair of Brown Dwarfs

Source: ESO Science Release 1110

Artist’s impression shows the pair of brown dwarfs named CFBDSIR 1458+10.
Image credits: ESO/L.Calçada.

Observations with the European Southern Observatory’s Very Large Telescope, along with two other telescopes, have shown that there is a new candidate for the coldest known star: a brown dwarf in a double system with about the same temperature as a freshly made cup of tea — hot in human terms, but extraordinarily cold for the surface of a star. This object is cool enough to begin crossing the blurred line dividing small cold stars from big hot planets.(read more)

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