Results 11 to 20 of about 8,194 (235)

Keplerian Orbits and Dynamics of Exoplanets

open access: green, 2010
8 pages, 9 figures, Chapter in "Exoplanets"; ISBN 978-0-8165-2945 ...
C. D. Murray, A. C. M. Correia
openalex   +4 more sources

Dynamics of co-orbital exoplanets in a first-order resonance chain with tidal dissipation [PDF]

open access: hybridAstronomy & Astrophysics, 2022
Co-orbital planets (in a 1: 1 mean motion resonance) can be formed within a Laplace resonance chain. We develop a secular model tc study the dynamics of the resonance chain p: p : p + 1, where the co-orbital pair is in a first-order mean motion resonance with the outermost third planet.
Jérémy Couturier   +2 more
  +7 more sources

Effects of Bulk Composition on the Atmospheric Dynamics on Close-in Exoplanets [PDF]

open access: bronzeThe Astrophysical Journal, 2017
Abstract Super Earths and mini Neptunes likely have a wide range of atmospheric compositions, ranging from low molecular mass atmospheres of H2 to higher molecular atmospheres of water, CO2, N2, or other species. Here we systematically investigate the effects of atmospheric bulk compositions on temperature and wind distributions for ...
Xi Zhang, Adam P. Showman
openalex   +5 more sources

Simultaneous Infrared Observations of the Jovian Auroral Ionosphere and Thermosphere. [PDF]

open access: yesJ Geophys Res Space Phys
Abstract Simultaneous observations of H3+ ${\mathrm{H}}_{3}^{+}$ and H2 ${\mathrm{H}}_{2}$ in Jupiter's northern infrared aurora were conducted on 02 June 2017 using Keck‐NIRSPEC to produce polar projection maps of H3+ ${\mathrm{H}}_{3}^{+}$ radiance, rotational temperature, column density, and H2 ${\mathrm{H}}_{2}$ radiance. The temperature variations
Wang R   +10 more
europepmc   +2 more sources

Dynamics of co-orbital exoplanets

open access: green, 2017
PhD thesis, defended the 27th September ...
A. Leleu
openalex   +4 more sources

The Dynamics-Based Approach to Studying Terrestrial Exoplanets

open access: green, 2007
One of the great quests of astronomy is to obtain the spectrum of a terrestrial planet orbiting within the habitable zone of its star, and the dominant challenge in doing so is to isolate the light of the planet from that of the star. Dynamics-based methods separate these signals temporally, whereas imaging techniques do so spatially.
David Charbonneau, Drake Deming
openalex   +4 more sources

ATMOSPHERIC DYNAMICS OF TERRESTRIAL EXOPLANETS OVER A WIDE RANGE OF ORBITAL AND ATMOSPHERIC PARAMETERS [PDF]

open access: greenThe Astrophysical Journal, 2015
The recent discoveries of terrestrial exoplanets and super-Earths extending over a broad range of orbital and physical parameters suggest that these planets will span a wide range of climatic regimes. Characterization of the atmospheres of warm super-Earths has already begun and will be extended to smaller and more distant planets over the coming ...
Yohai Kaspi, Adam P. Showman
openalex   +6 more sources

Evidence for Low-level Dynamical Excitation in Near-resonant Exoplanet Systems

open access: yesThe Astronomical Journal, 2023
The geometries of near-resonant planetary systems offer a relatively pristine window into the initial conditions of exoplanet systems. Given that near-resonant systems have likely experienced minimal dynamical disruptions, the spin–orbit orientations of ...
Malena Rice   +20 more
doaj   +3 more sources

Coupled atmospheric chemistry, radiation, and dynamics of an exoplanet generate self-sustained oscillations

open access: greenProceedings of the National Academy of Sciences, 2023
Nonlinearity in photochemical systems is known to allow self-sustained oscillations, but they have received little attention in studies of planetary atmospheres. Here, we present a unique, self-oscillatory solution for ozone chemistry of an exoplanet from a numerical simulation using a fully coupled, three-dimensional (3D) atmospheric chemistry ...
Yangcheng Luo   +4 more
openalex   +6 more sources

Evolution of Planetary Obliquity: The Eccentric Kozai–Lidov Mechanism Coupled with Tide

open access: yesThe Astrophysical Journal, 2023
Planetary obliquity plays a significant role in determining the physical properties of planetary surfaces and climate. As direct detection is constrained due to the present observation accuracy, kinetic theories are helpful for predicting the evolution ...
Xiumin Huang   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy