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Sub-Neptune-sized exoplanets represent one of the most common types of planets in the Milky Way, yet many of their properties are unknown. Here, we present a prescription to adapt the capabilities of the stellar evolution toolkit Modules…

Earth and Planetary Astrophysics · Physics 2016-11-15 Howard Chen , Leslie A. Rogers

Exoplanets, short for `extra solar planets', are planets outside our solar system. They are objects with masses less than around 15 Jupiter-masses that orbit stars other than the Sun. They are small enough so they can not burn deuterium in…

Instrumentation and Methods for Astrophysics · Physics 2016-11-04 Muhammad Salman Khan , James Stewart Jenkins , Nestor Becerra Yoma

There are many competing theories and models describing the formation, migration and evolution of exoplanet systems. As both the precision with which we can characterize exoplanets and their host stars, and the number of systems for which…

Earth and Planetary Astrophysics · Physics 2019-03-22 Jessie L. Christiansen , Charles Beichman , David R. Ciardi , Daniel Huber , Mark S. Marley

We use new interior models of cold planets to investigate the mass-radius relationships of solid exoplanets, considering planets made primarily of iron, silicates, water, and carbon compounds. We find that the mass-radius relationships for…

Astrophysics · Physics 2009-11-13 S. Seager , M. Kuchner , C. Hier-Majumder , B. Militzer

In order to characterize giant exoplanets and better understand their origin, knowledge of how the planet's composition depends on its mass and stellar environment is required. In this work, we simulate the thermal evolution of gaseous…

Earth and Planetary Astrophysics · Physics 2020-11-18 Simon Müller , Maya Ben-Yami , Ravit Helled

The Kepler Mission has discovered thousands of planets with radii $<4\ R_\oplus$, paving the way for the first statistical studies of the dynamics, formation, and evolution of these sub-Neptunes and super-Earths. Planetary masses are an…

Earth and Planetary Astrophysics · Physics 2016-07-06 Angie Wolfgang , Leslie A. Rogers , Eric B. Ford

Exoplanet surveys have revealed a wide diversity of planetary systems, requiring integrated models of planet formation to explain their origin. Planet population synthesis (PPS) modelling is a key tool for linking theory with the…

Earth and Planetary Astrophysics · Physics 2026-04-21 Tadahiro Kimura , Masahiro Ikoma

The detection of transits is an efficient technique to uncover faint companions around stars. The full characterisation of the companions (M-type stars, brown dwarfs or exoplanets) requires high-resolution spectroscopy to measure properly…

Astrophysics · Physics 2008-12-18 J. Gallardo , D. Minniti , D. Valls-Gabaud , M. Rejkuba

The growing database of exoplanets have shown us the statistical characteristics of various exoplanet populations, providing insight towards their origins. Observational evidence suggests that the process by which gas giants are conceived…

Earth and Planetary Astrophysics · Physics 2021-05-17 Jonathan H. Jiang , Daniel Zhao , Xuan Ji , Bohan Xie , Kristen A. Fahy

The detection of exoplanets with the radial velocity method consists in detecting variations of the stellar velocity caused by an unseen sub-stellar companion. Instrumental errors, irregular time sampling, and different noise sources…

Earth and Planetary Astrophysics · Physics 2023-09-06 L. A. Nieto , R. F. Díaz

CONTEXT. Exoplanet searches have demonstrated that giant planets are preferentially found around metal-rich stars and that their fraction increases with the stellar mass. AIMS. During the past six years, we have conducted a radial velocity…

Earth and Planetary Astrophysics · Physics 2016-05-25 M. I. Jones , J. S. Jenkins , R. Brahm , R. A. Wittenmyer , F. E. Olivares , C. H. F. Melo , P. Rojo , A. Jordán , H. Drass , R. P. Butler , L. Wang

Knowledge of both the mass and radius of an exoplanet allows us to estimate its mean density, and therefore its composition. Exoplanets seem to fill a very large parameter space in terms of mass and composition, and unlike the…

Earth and Planetary Astrophysics · Physics 2015-05-27 Ravit Helled , Morris Podolak , Eran Vos

In this short review, we summarize our present understanding (and non-understanding) of exoplanet formation, structure and evolution, in the light of the most recent discoveries. Recent observations of transiting massive brown dwarfs seem…

Solar and Stellar Astrophysics · Physics 2015-05-20 G. Chabrier , J. Leconte , I. Baraffe

Having discovered that Earth-sized planets are common, we are now embarking on a journey to determine if Earth-like planets are also common. Finding Earth-like planets is one of the most compelling endeavors of the 21st century - leading us…

A first characterization of many exoplanets has recently been achieved by the observational determination of their radius. For some planets, a measurement of the luminosity has also been possible, with many more directly imaged planets…

Earth and Planetary Astrophysics · Physics 2015-06-05 C. Mordasini , Y. Alibert , H. Klahr , T. Henning

The study of orbital resonances allows for the constraint of planetary properties of compact systems. We can predict a system's resonances by observing the orbital periods of the planets, as planets in or near mean motion resonance have…

Earth and Planetary Astrophysics · Physics 2023-08-16 Mariah G. MacDonald , Michael S. Polania Vivas , Skylar D'Angiolillo , Ashley N. Fernandez , Tyler Quinn

Over 300 extrasolar planets (exoplanets) have been detected orbiting nearby stars. We now hope to conduct a census of all planets around nearby stars and to characterize their atmospheres and surfaces with spectroscopy. Rocky planets within…

Earth and Planetary Astrophysics · Physics 2009-11-17 J. Kasting , W. Traub , A. Roberge , A. Leger , A. Schwartz , A. Wooten , A. Vosteen , A. Lo , A. Brack , A. Tanner , A. Coustenis , B. Lane , B. Oppenheimer , B. Mennesson , B. Lopez , C. Grillmair , C. Beichman , C. Cockell , C. Hanot , C. McCarthy , C. Stark , C. Marois , C. Aime , D. Angerhausen , D. Montes , D. Wilner , D. Defrere , D. Mourard , D. Lin , E. Kite , E. Chassefiere , F. Malbet , F. Tian , F. Westall , G. Illingworth , G. Vasisht , G. Serabyn , G. Marcy , G. Bryden , G. White , G. Laughlin , G. Torres , H. Hammel , H. Ferguson , H. Shibai , H. Rottgering , J. Surdej , J. Wiseman , J. Ge , J. Bally , J. Krist , J. Monnier , J. Trauger , J. Horner , J. Catanzarite , J. Harrington , J. Nishikawa , K. Stapelfeldt , K. von Braun , K. Biazzo , K. Carpenter , K. Balasubramanian , L. Kaltenegger , M. Postman , M. Spaans , M. Turnbull , M. Levine , M. Burchell , M. Ealey , M. Kuchner , M. Marley , M. Dominik , M. Mountain , M. Kenworthy , M. Muterspaugh , M. Shao , M. Zhao , M. Tamura , N. Kasdin , N. Haghighipour , N. Kiang , N. Elias , N. Woolf , N. Mason , O. Absil , O. Guyon , O. Lay , P. Borde , P. Fouque , P. Kalas , P. Lowrance , P. Plavchan , P. Hinz , P. Kervella , P. Chen , R. Akeson , R. Soummer , R. Waters , R. Barry , R. Kendrick , R. Brown , R. Vanderbei , R. Woodruff , R. Danner , R. Allen , R. Polidan , S. Seager , S. MacPhee , S. Hosseini , S. Metchev , S. Kafka , S. Ridgway , S. Rinehart , S. Unwin , S. Shaklan , T. ten Brummelaar , T. Mazeh , V. Meadows , W. Weiss , W. Danchi , W. Ip , Y. Rabbia

Future NASA concept missions that are currently under study, like Habitable Exoplanet Imaging Mission (HabEx) & Large Ultra-Violet Optical Infra Red (LUVOIR) Surveyor, would discover a large diversity of exoplanets. We propose here a…

Studies of transiting extra-solar planets are of key importance for understanding the nature of planets outside our Solar System, because their densities can be determined, constraining of what the planets are made of. Using the data…

Earth and Planetary Astrophysics · Physics 2019-08-19 Eike W. Guenther , CoRoT-Team

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…

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