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We develop a semi-analytical model for computing planetary system formation with the aim of explaining the observed diversity of planetary systems architectures and relate this primordial diversity with the initial properties of the disc…

Earth and Planetary Astrophysics · Physics 2015-05-28 Yamila Miguel , Octavio M. Guilera , Adrian Brunini

The standard formation model of close-in low-mass planets involves efficient inward migration followed by growth through giant impacts after the protoplanetary gas disk disperses. While detailed N-body simulations have enhanced our…

Earth and Planetary Astrophysics · Physics 2025-07-08 Tadahiro Kimura , Eiichiro Kokubo , Yuji Matsumoto , Christoph Mordasini , Masahiro Ikoma

Population synthesis models of planetary systems developed during the last $\sim$15 years could reproduce several of the observables of the exoplanet population, and also allowed to constrain planetary formation models. We present our…

Earth and Planetary Astrophysics · Physics 2017-08-16 M. P. Ronco , O. M. Guilera , G. C. de Elía

In stellar astrophysics, the technique of population synthesis has been successfully used for several decades. For planets, it is in contrast still a young method which only became important in recent years because of the rapid increase of…

Earth and Planetary Astrophysics · Physics 2018-12-05 Christoph Mordasini

In order to explain the main characteristics of the observed population of extrasolar planets and the giant planets in the Solar System, we need to get a clear understanding of which are the initial conditions that allowed their formation.…

Earth and Planetary Astrophysics · Physics 2015-05-20 Yamila Miguel , Octavio M. Guilera , Adrián Brunini

Previous studies using Kepler data suggest that planets orbiting the same star tend to have similar sizes. However, due to the faintness of the stars, only a few of the planets were also detected with radial velocity follow-ups, and…

Earth and Planetary Astrophysics · Physics 2022-02-09 J. F. Otegi , R. Helled , F. Bouchy

Despite the increase in observational data on exoplanets, the processes that lead to the formation of planets are still not well understood. But thanks to the high number of known exoplanets, it is now possible to look at them as a…

Earth and Planetary Astrophysics · Physics 2015-06-22 C. Mordasini , P. Mollière , K. -M. Dittkrist , S. Jin , Y. Alibert

In the standard model of terrestrial planet formation, planets are formed through giant impacts of planetary embryos after the dispersal of the protoplanetary gas disc. Traditionally, $N$-body simulations have been used to investigate this…

Earth and Planetary Astrophysics · Physics 2025-05-28 Tadahiro Kimura , Haruka Hoshino , Eiichiro Kokubo , Yuji Matsumoto , Masahiro Ikoma

Planetary population synthesis is a tool to understand the physics of planetary system formation. It builds on a model that includes a multitude of physical processes. The outcome can be statistically compared with exoplanet observations.…

Earth and Planetary Astrophysics · Physics 2023-03-02 Alexandre Emsenhuber , Christoph Mordasini , Remo Burn

The physics of planet formation is investigated using a population synthesis approach. We develop a simple model for planetary growth including pebble and gas accretion, and orbital migration in an evolving protoplanetary disk. The model is…

Earth and Planetary Astrophysics · Physics 2018-10-10 John Chambers

The ubiquity of planets and diversity of planetary systems reveal planet formation encompass many complex and competing processes. In this series of papers, we develop and upgrade a population synthesis model as a tool to identify the…

Earth and Planetary Astrophysics · Physics 2015-06-16 S. Ida , D. N. C. Lin , M. Nagasawa

State-of-the-art planet formation models are now capable of accounting for the full spectrum of known planet types. This comes at the cost of increasing complexity of the models, which calls into question whether established links between…

Earth and Planetary Astrophysics · Physics 2021-12-08 M. Schlecker , D. Pham , R. Burn , Y. Alibert , C. Mordasini , A. Emsenhuber , H. Klahr , Th. Henning , L. Mishra

With planets orbiting stars, a planetary mass function should not be seen as a low-mass extension of the stellar mass function, but a proper formalism needs to take care of the fact that the statistical properties of planet populations are…

Earth and Planetary Astrophysics · Physics 2015-05-20 M. Dominik

During the late stage of planet formation when Mars-size cores appear, interactions among planetary cores can excite their orbital eccentricities, speed their merges and thus sculpture the final architecture of planet systems. This series…

Earth and Planetary Astrophysics · Physics 2015-03-13 Huigen Liu , Ji-lin Zhou , S. Wang

The new approach of the regular spacing of planetary orbits and planet mass distribution in the Solar system is considered. The relative planetary distances will be represented as the inverse composite probabilities of two discrete…

Astrophysics · Physics 2007-05-23 V. M. Bakulev

The planetary population synthesis method aims at comprehensively testing planet formation theories against observational evidence and providing theoretical sets of planets to help interpret observations and inform instrument development.…

Earth and Planetary Astrophysics · Physics 2024-10-02 Remo Burn , Christoph Mordasini

While planets are commonly discovered around main-sequence stars, the processes leading to their formation are still far from being understood. Current planet population synthesis models, which aim to describe the planet formation process…

Earth and Planetary Astrophysics · Physics 2019-10-16 C. F. Manara , C. Mordasini , L. Testi , J. P. Williams , A. Miotello , G. Lodato , A. Emsenhuber

With the increasing number of exoplanets discovered, statistical properties of the population as a whole become unique constraints on planet formation models provided a link between the description of the detailed processes playing a role…

Earth and Planetary Astrophysics · Physics 2015-06-18 W. Benz , S. Ida , Y. Alibert , D. N. C. Lin , C. Mordasini

The planetary systems detected so far already exhibit a wide diversity of architectures, and various methods are proposed to study quantitatively this diversity. Straightforward ways to quantify the difference between two systems and more…

Earth and Planetary Astrophysics · Physics 2021-07-14 Dolev Bashi , Shay Zucker

Planet formation models have been developed during the last years in order to try to reproduce the observations of both the solar system, and the extrasolar planets. Some of these models have partially succeeded, focussing however on…

Earth and Planetary Astrophysics · Physics 2015-06-16 Y. Alibert , F. Carron , A. Fortier , S. Pfyffer , W. Benz , C. Mordasini , D. Swoboda
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