Migrating neptune-class bodies as a source of large terrestrial planets

Autor(en)

Helmut Lammer, Franck Selsis, Ignasi Ribas, Herbert I M Lichtenegger, T Penz, Edward F. Guinan, Siegfried J. Bauer, Werner Wolfgang Weiss

Abstrakt

An approach to detect the Neptune-size and large terrestial-like bodies was discussed. A detailed connection between the hydrodynamic treatment and non-thermal pick up ion loss simulations were also studied. It was observed that the large exoplanets orbiting close to their central star have either migrated inward from greater distances or have formed at their present orbit. It was found that the Neptune-class exoplanets because of the higher stellar irradiance and stellar wind in the past could loose their entire hydrogen atmospheres due to non-thermal and thermal escape processes.

Organisation(en)

Institut für Astrophysik

Externe Organisation(en)

Österreichische Akademie der Wissenschaften (ÖAW), École Normale Supérieure, Paris, Universitat Autònoma de Barcelona , Villanova University, Karl-Franzens-Universität Graz

Seiten

491-496

Anzahl der Seiten

6

Publikationsdatum

2003

ÖFOS 2012

103003 Astronomie

Link zum Portal

https://ucrisportal.univie.ac.at/de/publications/4f96a4a0-082c-4b9b-816e-fd5dccfda133