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Statistical analyses of large surveys for transiting planets such as the Kepler mission must account for systematic errors and biases. Transit detection depends not only on the planet's radius and orbital period, but also on host star…

Earth and Planetary Astrophysics · Physics 2015-06-12 Eric Gaidos , Andrew W. Mann

We present refined values for the physical parameters of transiting exoplanets, based on a self-consistent and uniform analysis of transit light curves and the observable properties of the host stars. Previously it has been difficult to…

Astrophysics · Physics 2009-11-13 G. Torres , J. N. Winn , M. J. Holman

Recent observations have revealed an unexpectedly high binary fraction among the Trans-Neptunian Objects (TNOs) that populate the Kuiper-belt. The discovered binaries have four characteristics they comprise a few percent of the TNOs, the…

Astrophysics · Physics 2015-06-24 Yoko Funato , Junichiro Makino , Piet Hut , Eiichiro Kokubo , Daisuke Kinoshita

We analyze albedo data obtained using the Herschel Space Observatory that reveal the existence of two distinct types of surface among midsized transneptunian objects. A color-albedo diagram shows two large clusters of objects, one redder…

Context: Trans-Neptunian objects are distant bodies that retain valuable information about the origin and evolution of the Solar System. Many of these objects constitute binary systems. Studying binaries allows us to further characterise…

Earth and Planetary Astrophysics · Physics 2026-05-22 J. M. Gómez-Limón , R. Leiva , J. L. Ortiz , P. Santos-Sanz , M. Kretlow , Y. Kilic , J. L. Rizos , A. Álvarez-Candal , T. G. Müller

We review our present understanding of the physical properties of substellar objects, brown dwarfs and irradiated or non-irradiated gaseous exoplanets. This includes a description of their internal properties, mechanical structure and heat…

Astrophysics · Physics 2007-05-23 G. Chabrier , F. Allard , I. Baraffe , T. Barman , P. H. Hauschildt

Although the present-day orbital distribution of minor bodies that go around the Sun between the orbit of Neptune and the Kuiper Cliff is well understood, past ~50 au from the Sun, our vision gets blurred as objects become fainter and…

Earth and Planetary Astrophysics · Physics 2023-12-25 C. de la Fuente Marcos , R. de la Fuente Marcos

Dynamical features of a massive disk of distant trans-Neptunian objects are considered in the model of the formation of small bodies in the Hill region of a giant gas-dust clump that arose as a result of gravitational instability and…

Earth and Planetary Astrophysics · Physics 2022-01-06 V. V. Emel'yanenko

The discovery and characteristics of transneptunian binaries are reviewed. In the 20 years since their first discovery, a wealth of detail has emerged including the frequency of binaries in different populations, their relative sizes and…

Earth and Planetary Astrophysics · Physics 2020-02-19 Keith S. Noll , William M. Grundy , David Nesvorny , Audrey Thirouin

In this review, we summarize our present knowledge of the behaviour of the mass-radius relationship from solar-type stars down to terrestrial planets, across the regime of substellar objects, brown dwarfs and giant planets. Particular…

Astrophysics · Physics 2009-11-13 G. Chabrier , I. Baraffe , J. Leconte , J. Gallardo , T. barman

Trans-Neptunian objects (TNO) represent the leftovers of the formation of the Solar System. Their physical properties provide constraints to the models of formation and evolution of the various dynamical classes of objects in the outer…

The small bodies in the Kuiper Belt region of the distant Solar System are leftovers from planet formation. Their orbital distribution today tells us about how giant planets migrated, while their surface properties, shapes, and sizes tell…

Earth and Planetary Astrophysics · Physics 2024-10-08 Samantha M. Lawler , Rosemary E. Pike

About 2500 square degrees of sky south of declination -25 degrees and/or near the galactic plane were surveyed for bright outer solar system objects. This survey is one of the first large scale southern sky and galactic plane surveys to…

Context. The paths followed by the known extreme trans-Neptunian objects (ETNOs) effectively avoid direct gravitational perturbations from the four giant planets, yet their orbital eccentricities are in the range between 0.69-0.97. Solar…

Earth and Planetary Astrophysics · Physics 2021-02-19 C. de la Fuente Marcos , R. de la Fuente Marcos

Tremendous progress in the science of extrasolar planets has been achieved since the discovery of a Jupiter orbiting the nearby Sun-like star 51 Pegasi in 1995. Theoretical models have now reached enough maturity to predict the…

Earth and Planetary Astrophysics · Physics 2015-05-18 I. Baraffe , G. Chabrier , T. Barman

For much of human history we have wondered how our solar system formed, and whether there are any other planets like ours around other stars. Only in the last 20 years have we had direct evidence for the existence of exoplanets, with the…

Solar and Stellar Astrophysics · Physics 2013-08-26 Jeffrey L. Coughlin

We use astrometry of Pluto and other TNOs to constrain the sky location, distance, and mass of the possible additional planet (Planet Nine) hypothesized by Batygin and Brown (2016). We find that over broad regions of the sky, the inclusion…

Earth and Planetary Astrophysics · Physics 2016-09-21 Matthew J. Holman , Matthew J. Payne

This paper gives an overview of the properties of all possible equilibrium sequences of compact strange-matter stars with nuclear crusts, which range from strange stars to strange dwarfs. In contrast to their non-strange counterparts,…

Astrophysics · Physics 2007-05-23 F. Weber , Ch. Schaab , M. K. Weigel , N. K. Glendenning

The thermal emission of transneptunian objects (TNO) and Centaurs has been observed at mid- and far-infrared wavelengths - with the biggest contributions coming from the Spitzer and Herschel space observatories-, and the brightest ones also…

Earth and Planetary Astrophysics · Physics 2020-01-22 Thomas Müller , Emmanuel Lellouch , Sonia Fornasier

The solar system's distant reaches exhibit a wealth of anomalous dynamical structure, hinting at the presence of a yet-undetected, massive trans-Neptunian body - Planet 9. Previous analyses have shown how orbital evolution induced by this…

Earth and Planetary Astrophysics · Physics 2024-04-18 Konstantin Batygin , Alessandro Morbidelli , Michael E. Brown , David Nesvorny