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Related papers: Exoplanet Statistics and Theoretical Implications

200 papers

As the number of detected extrasolar planets increases, exoplanet databases become a valuable resource, confirming some details about planetary formation, but also challenging our theories with new unexpected properties.

Earth and Planetary Astrophysics · Physics 2016-04-27 Fernando J. Ballesteros , Bartolo Luque

Stellar magnetic activity is an important factor in the formation and evolution of exoplanets. Magnetic phenomena like stellar flares, coronal mass ejections, and high-energy emission affect the exoplanetary atmosphere and its mass loss…

Solar and Stellar Astrophysics · Physics 2017-03-08 K. Poppenhaeger

We present a review of the interplay between the evolution of circumstellar disks and the formation of planets, both from the perspective of theoretical models and dedicated observations. Based on this, we identify and discuss fundamental…

Context. Giant planets play a major role in multiple planetary systems. Knowing their demographics is important to test their overall impact on planetary systems formation. It is also important to test their formation processes. Recently,…

Earth and Planetary Astrophysics · Physics 2023-09-13 A. -M. Lagrange , F. Philipot , P. Rubini , N. Meunier , F. Kiefer , P. Kervella , P. Delorme , H. Beust

The Kepler mission opened the door to a small but bonafide sample of circumbinary planets. Some initial trends have been identified and used to challenge our theories of planet and binary formation. However, the Kepler sample is not only…

Earth and Planetary Astrophysics · Physics 2020-04-08 David V. Martin

A space-based gravitational microlensing exoplanet survey will provide a statistical census of exoplanets with masses greater than 0.1 Earth-masses and orbital separations ranging from 0.5AU to infinity. This includes analogs to all the…

Among the numerous discoveries resulting from the {\it Kepler} mission are a plethora of compact planetary systems that provide deep insights into planet formation theories. The architecture of such compact systems also produces unique…

Earth and Planetary Astrophysics · Physics 2019-07-31 Stephen R. Kane

The distribution of angular momentum of planets and their host stars provides important information on the formation and evolution of the planetary system. However, mysteries still remain, partly due to bias and uncertainty of the current…

Earth and Planetary Astrophysics · Physics 2022-01-25 Jonathan H. Jiang , Remo Burn , Kristen A. Fahy , Xuan Ji , Patrick Eggenberger

The current exoplanet database includes 5454 confirmed planets and candidate planets observed with the KEPLER mission. We find 932 planet pairs from which we extract distance and orbital period ratios. While earlier studies used the…

Earth and Planetary Astrophysics · Physics 2017-09-26 Markus J. Aschwanden , Felix Scholkmann

In this paper we aim to simulate realistic exoplanet populations across different regions of the MW by combining state-of-the-art cosmological simulations of our Galaxy with exoplanet formation models and observations. We model the…

In this paper we present the guidelines for an extrasolar planet taxonomy. The discovery of an increasing number of extrasolar planets showing a vast variety of planetary parameters, like Keplerian orbital elements and environmental…

Astrophysics · Physics 2009-06-23 Simone Marchi

The impact of exoplanet science on both the scientific community and on the general public is presented through various indicators and examples. It is estimated that about 3-4% of all refereed astronomy articles focus on exoplanets, and…

Instrumentation and Methods for Astrophysics · Physics 2024-10-11 H. J. Deeg

A key component of characterizing multi-planet exosystems is testing the orbital stability based on the observed properties. Such characterization not only tests the validity of how observations are interpreted but can also place additional…

Earth and Planetary Astrophysics · Physics 2016-09-09 Stephen R. Kane

Numerous telescopes and techniques have been used to find and study extrasolar planets, but none has been more successful than NASA's Kepler Space Telescope. Kepler has discovered the majority of known exoplanets, the smallest planets to…

Earth and Planetary Astrophysics · Physics 2015-06-22 Jack J. Lissauer , Rebekah I. Dawson , Scott Tremaine

Exoplanets are often found with short periods or high eccentricities, and multiple-planet systems are often in resonance. They require dynamical theories that describe more extreme motions than those of the relatively placid planetary…

Earth and Planetary Astrophysics · Physics 2010-06-22 Daniel C. Fabrycky

Doppler planet searches revealed that many giant planets orbit close to their host star or in highly eccentric orbits. These and subsequent observations inspired new theories of planet formation that invoke gravitation interactions in…

Earth and Planetary Astrophysics · Physics 2015-06-19 Eric B. Ford

Most detected transiting planets have orbits which would fit within the one of Mercury, exposing them to intense stellar irradiation and interactions that significantly alter their properties. In contrast, colder planets with longer orbital…

Earth and Planetary Astrophysics · Physics 2026-04-13 Solène Ulmer-Moll , Babatunde Akinsanmi , Simon Müller

Statistical studies of exoplanets and the properties of their host stars have been critical to informing models of planet formation. Numerous trends have arisen in particular from the rich Kepler dataset, including that exoplanets are more…

Earth and Planetary Astrophysics · Physics 2021-02-04 Jonah T. Hansen , Luca Casagrande , Michael J. Ireland , Jane Lin

Pebble accretion is the leading theory for the formation of exoplanets more massive than the Earth. Many parameters influence planet growth in the pebble accretion models. In this paper, we study the influence of pebble fragmentation…

Earth and Planetary Astrophysics · Physics 2025-05-02 Jayashree Narayan , Joanna Drazkowska , Vignesh Vaikundaraman

One of the long-term goals of exoplanet science is the (atmospheric) characterization of a large sample (>100) of terrestrial planets to assess their potential habitability and overall diversity. Hence, it is crucial to quantitatively…

Instrumentation and Methods for Astrophysics · Physics 2018-08-10 Sascha P. Quanz , Jens Kammerer , Denis Defrère , Olivier Absil , Adrian M. Glauser , Daniel Kitzmann