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Methane Dwarf

This one belongs to a special kind of brown dwarfs. Those should be quite common, but are difficult to discover. Its name the star got because of its high concentration of methane which shows in its spectra. The star is extremely red and cool with a surface temperature of only 1000 kelvin.

Constellation: Ophiuchus
Distance: 30 light-years
Mass: circa 50 * Jupiter (0.05 * Sun)

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    Methane Dwarf
The dwarf is to the right between the white lines.
Photo: SDSS

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