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Formation of giant planets and brown dwarfs on wide orbits
Astronomy and Astrophysics
Context: We studied numerically the formation of giant planet (GP) and brown dwarf (BD) embryos in gravitationally unstable protostellar disks and compared our findings with directly-imaged, wide-orbit (>= 50 AU) companions known to-date. The viability of the disk fragmentation scenario for the formation of wide-orbit companions in protostellar disks around (sub-)solar mass stars was investigated. Methods: We used numerical hydrodynamics simulations of disk formation and evolution with andoi:10.1051/0004-6361/201220601 fatcat:f265eolwknalzbmfj5hofkgl3q