Brown dwarf rho Oph-102 in Ophiuchus

eso1248c

The newly investigated brown dwarf is highlighted here against a background dark, dusty region of the rho Ophiuchus star-forming region.
eso1248bThe observation of a dusty disc by ALMA, and inference of millimetre sized grains (left), has implications for possible rocky planet formation around brown dwarfs, and also shows the star formation process creating a body just too small (60 Jupiter masses) to ignite hydrogen fusion. The grains are similar to those found in the denser discs around very young stars. (ESO)

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