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Related papers: Evolutionary Processes in the Centaur Region

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New data on the distribution of distant trans-Neptunian objects and on the properties of comets indicate the importance of dynamical processes in the outer part of the protoplanetary disk in the formation of the observed structure of the…

Earth and Planetary Astrophysics · Physics 2020-04-08 V. V. Emel'yanenko

Most planetary systems -- including our own -- are born within stellar clusters, where interactions with neighboring stars can help shape the system architecture. This paper develops an orbit-averaged formalism to characterize the cluster's…

Earth and Planetary Astrophysics · Physics 2020-05-20 Konstantin Batygin , Fred C. Adams , Yuri K. Batygin , Erik A. Petigura

In the coming decades, the discovery of the first truly Earth-like exoplanets is anticipated. The characterisation of those planets will play a vital role in determining which are chosen as targets for the search for life beyond the Solar…

Earth and Planetary Astrophysics · Physics 2015-11-20 J. Horner , J. B. Gilmore , D. Waltham

The practical distinctions between asteroids and comets, viewed as products of accretion on either side of the snow line, are less clear-cut than previously understood. In this chapter, we discuss the numerous solar system populations which…

Earth and Planetary Astrophysics · Physics 2022-12-06 David Jewitt , Henry H. Hsieh

This white paper discusses a repurposed mission for the Kepler spacecraft that focusses on solving outstanding problems in planet formation and evolution by targeting the study of the hot Jupiter population of young stars. This mission can…

The study of the surface properties of Centaurs and Trans-Neptunian Objects (TNOs) provides essential information about the early conditions and evolution of the outer Solar System. Due to the faintness of most of these distant and icy…

Earth and Planetary Astrophysics · Physics 2009-12-15 D. Perna , M. A. Barucci , S. Fornasier , F. E. DeMeo , A. Alvarez-Candal , F. Merlin , E. Dotto , A. Doressoundiram , C. de Bergh

I present a brief review of the stellar population properties of massive galaxies, focusing on early-type galaxies in particular, with emphasis on recent results from the ATLAS3D Survey. I discuss the occurrence of young stellar ages, cold…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Richard M. McDermid

The majority of pulsar population synthesis studies performed to date have focused on isolated pulsar evolution. Those that have incorporated pulsar evolution within binary systems have tended to either treat binary evolution poorly of…

Astrophysics · Physics 2009-06-23 Paul Kiel , Jarrod Hurley , Matthew Bailes , James Murray

The diversity of planetary systems that have been discovered are revealing the plethora of possible architectures, providing insights into planet formation and evolution. They also increase our understanding of system parameters that may…

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

The Centaur population is composed by minor bodies wandering between the giant planets and that frequently perform close gravitational encounters with these planets, which leads to a chaotic orbital evolution. Recently, the discovery of two…

Earth and Planetary Astrophysics · Physics 2016-06-22 R. A. N. Araujo , R. Sfair , O. C. Winter

This review summarises the main properties of Young Massive Clusters (YMCs), including their population properties, particularly focusing on extragalactic cluster samples. We discuss potential biases and caveats that can affect the…

Astrophysics of Galaxies · Physics 2016-11-23 Nate Bastian

In a planetary system with two or more well-spaced, eccentric, inclined planets, secular interactions may lead to chaos. The innermost planet may gradually become very eccentric and/or inclined, as a result of the secular degrees of freedom…

Earth and Planetary Astrophysics · Physics 2015-05-20 Yanqin Wu , Yoram Lithwick

The first discovered extrasolar worlds -- giant, ``hot Jupiter'' planets on short-period orbits -- came as a surprise to solar-system-centric models of planet formation, prompting the development of new theories for planetary system…

Earth and Planetary Astrophysics · Physics 2023-03-29 Dong-Hong Wu , Malena Rice , Songhu Wang

Planets of 1-4 times Earth's size on orbits shorter than 100 days exist around 30-50% of all Sun-like stars. In fact, the Solar System is particularly outstanding in its lack of "hot super-Earths" (or "mini-Neptunes"). These planets -- or…

Earth and Planetary Astrophysics · Physics 2015-06-23 Andre Izidoro , Sean N. Raymond , Alessandro Morbidelli , Franck Hersant , Arnaud Pierens

Giant planets orbiting main-sequence stars closer than 0.1 AU are called hot Jupiters. They interact with their stars affecting their angular momentum. Recent observations provide suggestive evidence of excess angular momentum in stars with…

Solar and Stellar Astrophysics · Physics 2015-05-14 A. F. Lanza

Their ubiquity and extreme densities make star clusters probes of prime importance of galaxy evolution. Old globular clusters keep imprints of the physical conditions of their assembly in the early Universe, and younger stellar objects,…

Astrophysics of Galaxies · Physics 2018-05-02 Florent Renaud

Globular clusters (GCs) are among the oldest and most luminous stellar systems in the Universe, offering unique insights into galaxy formation and evolution. While the physical processes behind their origin have long remained elusive, major…

Astrophysics of Galaxies · Physics 2025-01-29 J. M. Diederik Kruijssen

We investigate the resolved stellar content of early-type dwarf galaxies in the CenA group, in order to estimate the fraction of their intermediate-age populations. We use near-infrared photometric data taken with the VLT/ISAAC instrument,…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 D. Crnojević , M. Rejkuba , E. K. Grebel , G. Da Costa , H. Jerjen

Young stars are mostly found in dense stellar environments, and even our own Solar system may have formed in a star cluster. Here, we numerically explore the evolution of planetary systems similar to our own Solar system in star clusters.…

Earth and Planetary Astrophysics · Physics 2019-08-27 Francesco Flammini Dotti , M. B. N. Kouwenhoven , Maxwell Xu Cai , Rainer Spurzem