Thermal torque effects on the migration of growing low-mass planets
- Guilera, Octavio Miguel
- Cuello, N.
- Montesinos, M.
- Miller Bertolami, Marcelo Miguel
- Ronco, María Paula
- Cuadra, J.
- Masset, F. S.
DOIAbstract
As planets grow the exchange of angular momentum with the gaseous component ofthe protoplanetary disc produces a net torque resulting in a variation of the semi-major axis of the planet. For low-mass planets not able to open a gap in the gaseousdisc this regime is known as type I migration. Pioneer works studied this mechanismin isothermal discs finding fast inward type I migration rates that were unable toreproduce the observed properties of extrasolar planets. In the last years, several im-provements have been made in order to extend the study of type I migration rates tonon-isothermal discs. Moreover, it was recently shown that if the planet?s luminositydue to solid accretion is taken into account, inward migration could be slowed downan...
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