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A metallicity sweet spot for disc fragmentation and planet formation
Ethan J. Carter, Dimitris Stamatellos, George Blaylock-Squibbs +2
Fragmentation of gravitationally unstable discs offers an alternate formation mechanism for gas giant planets and brown dwarfs on wide orbits. Metallicity plays a key role in disc…
Revisiting gravitational instability in protostellar discs with improved radiative cooling models
Alison K. Young, Ken Rice, Richard Booth +1
Young discs are expected to be significantly more massive than those observed at Myr and it is at this earliest stage that planet formation likely begins. Such massive discs m…
The Impact of Radiation Environment on the Evolution and Fragmentation of Protostellar Discs
Matt T. Cusack, Paul C. Clark, Ken Rice +5
We present high-resolution zoom-in simulations of molecular clouds exposed to an interstellar radiation field and cosmic ray ionisation rate up to 1000 times stronger than that of…