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Giant planets and brown dwarfs on wide orbits: a code comparison project
Mark Fletcher, Sergei Nayakshin, Dimitris Stamatellos +5
Gas clumps formed within massive gravitationally unstable circumstellar discs are potential seeds of gas giant planets, brown dwarfs and companion stars. Simulations show that comp…
Planets, debris and their host metallicity correlations
Mark Fletcher, Sergei Nayakshin
Recent observations of debris discs, believed to be made up of remnant planetesimals, brought a number of surprises. Debris disc presence does not correlate with the host star's me…
Tidal Downsizing Model. III. Planets from sub-Earths to Brown Dwarfs: structure and metallicity preferences
Sergei Nayakshin, Mark Fletcher
We present population synthesis calculations of the Tidal Downsizing (TD) hypothesis for planet formation. Our models address the following observations: (i) most abundant planets…