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Brown dwarf in Vela
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As a brown dwarf nearly seventy light years from the Sun, DENIS J082303.1-491201 is an exceptionally faint object. It is barely detectable in visible light, but it can be more readily seen in this infrared image. Imagery provided by Aladin sky atlas
* The object orbiting this brown dwarf is a low-mass object on a stellar scale, but is nonetheless some thirty times more massive than Jupiter. On this basis, it is usually classified as a secondary brown dwarf with some sixty to seventy per cent of the mass of the primary. The DENIS J082303.1-491201 system therefore seems to contain two brown dwarfs of relatively similar masses, and is commonly described as a binary brown dwarf pair. An alternative interpretation would see DENIS J082303.1-491201 b as an extraordinarily massive gas giant planet, and if this were to be the case, it would certainly be among the most massive such planets known.
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