Planetary populations according to the orbital angular momentum
Abstract
We investigate the angular momentum distribution of known exoplanetary systems, as a function of the planetary mass, orbital semimajor axis and metallicity of the host star. We find exoplanets seems to be classified according to at least two ‘populations’, with respect to their angular momentum properties. This classification is independent on the composition of the planet and seems to be valid for both jovian and neptunian planets, and probably can be extrapolated to the terrestrial planets of the Solar System. We analyse these ‘populations’ considering the phenomenon of planetary migration.
- Publication:
-
Chemical Abundances in the Universe: Connecting First Stars to Planets
- Pub Date:
- March 2010
- DOI:
- 10.1017/S1743921310001122
- Bibcode:
- 2010IAUS..265..420A
- Keywords:
-
- exoplanets;
- planetary migration