Results 1 to 10 of about 2,964,883 (268)

Analogous response of temperate terrestrial exoplanets and Earth's climate dynamics to greenhouse gas supplement. [PDF]

Sci Rep, 2023
Humanity is close to characterizing the atmospheres of rocky exoplanets due to the advent of JWST. These astronomical observations motivate us to understand exoplanetary atmospheres to constrain habitability.
Hochman A, Komacek TD, De Luca P.
europepmc   +7 more sources

Exploring exoplanet dynamics with JWST: Tides, rotation, rings, and moons. [PDF]

Proc Natl Acad Sci U S A
Although nearly 6,000 exoplanets are currently known, in most cases, our knowledge is limited to a handful of the planet’s orbital characteristics and bulk properties such as radius and mass. The James Webb Space Telescope (JWST) can expand our knowledge
Millholland SC, Winn JN.
europepmc   +4 more sources

Workshop Summary: Exoplanet Orbits and Dynamics

Publications of the Astronomical Society of the Pacific, 2023
Exoplanetary systems show a wide variety of architectures, which can be explained by different formation and dynamical evolution processes. Precise orbital monitoring is mandatory to accurately constrain their orbital and dynamical parameters.
A.-L. Maire, L. Delrez, F. J. Pozuelos, Juliette Becker, Néstor Espinoza, J. Lillo-Box, Alexandre Revol, Olivier Absil, Eric Agol, J. M. Almenara, G. Anglada‐Escudé, H. Beust, Sarah Blunt, Émeline Bolmont, M. Bonavita, W. Brandner, G. Mirek Brandt, Timothy D. Brandt, Garett Brown, Carles Cantero Mitjans, Carolina Charalambous, G. Chauvin, A. C. M. Correia, Miles Cranmer, Denis Defrère, M. Deleuil, Brice-Olivier Demory, Robert J. De Rosa, S. Desidera, M. Dévora-Pajares, R. F. Díaz, Clarissa Do Ó, Elsa Ducrot, Trent J. Dupuy, Rodrigo Ferrer-Chávez, C. Fontanive, M. Gillon, C. A. Giuppone, Leonardos Gkouvelis, Gabriel de Oliveira Gomes, Sérgio R. A. Gomes, Maximilian N. Günther, Sam Hadden, Yinuo Han, David M. Hernandez, Emmanuël Jehin, Stephen R. Kane, P. Kervella, F. Kiefer, Quinn Konopacky, M. Langlois, Benjamin Lanssens, C. Lazzoni, M. Lendl, Yiting Li, Anne-Sophie Libert, F. V. Lovos, R. G. Miculán, Zachary Murray, Ε. Πάλλη, Hanno Rein, L. Rodet, Arnaud Roisin, J. Sahlmann, Robert J. Siverd, M. Stalport, J. C. Suárez, Daniel Tamayo, Jean Teyssandier, Antoine Thuillier, Mathilde Timmermans, A. H. M. J. Triaud, Trifon Trifonov, Ema F. S. Valente, V. Van Grootel, Malavika Vasist, Jason Wang, M. C. Wyatt, Jerry W. Xuan, Steven D. Young, Neil T. Zimmerman   +80 more
semanticscholar   +7 more sources

Tidal synchronization of close-in satellites and exoplanets: II. Spin dynamics and extension to Mercury and exoplanet host stars [PDF]

Celestial Mechanics and Dynamical Astronomy, 2015
This paper deals with the application of the creep tide theory (Ferraz-Mello, Celest Mech Dyn Astron 116:109, 2013a) to the rotation of close-in satellites, Mercury, close-in exoplanets, and their host stars.
Sylvio Ferraz Mello, Sylvio Ferraz Mello
semanticscholar   +7 more sources

Dynamics of Colombo's Top: Generating Exoplanet Obliquities from Planet-Disk Interactions [PDF]

Astrophysical Journal, 2020
Large planetary spin–orbit misalignments (obliquities) may strongly influence atmospheric circulation and tidal heating in a planet. A promising avenue to generate obliquities is via spin–orbit resonances, where the spin and orbital precession ...
Yubo Su, Dong Lai
semanticscholar   +4 more sources

Convective dynamics in mantle of tidally-locked exoplanets. [PDF]

Nat Commun
Abstract Tidal locking imposes distinctive thermal forcing on super-Earth exoplanets in habitable zones, i.e., permanent stellar flux forces extraordinary day-night temperature contrast. However, it may be premature to conclude that life is absent in such supposedly harsh environments—flaming hot on dayside and freezing cold on nightside—when
Noto D, Miyagoshi T, Terada T, Yanagisawa T, Tasaka Y.   +4 more
europepmc   +3 more sources

Secular orbital dynamics of the innermost exoplanet of the $$\upsilon $$ υ -Andromedæ system [PDF]

Celestial Mechanics and Dynamical Astronomy, 2023
We introduce a quasi-periodic restricted Hamiltonian to describe the secular motion of a small-mass planet in a multi-planetary system. In particular, we refer to the motion of $$\upsilon $$ υ -And  $$\textbf{b}$$ b which is the innermost planet among ...
Rita Mastroianni, U. Locatelli
semanticscholar   +4 more sources

The influence of coronal mass ejections on the gas dynamics of the atmosphere of a “hot Jupiter” exoplanet [PDF]

Astronomy reports (Print), 2016
The results of three-dimensional numerical simulations of the gas dynamics of the atmosphere of a “hot Jupiter” exoplanet during the passage of a coronal mass ejection (CME) from the central star are presented.
Д. В. Бисикало, А. А. Черенков   +1 more
semanticscholar   +4 more sources

The impact of Ozone on Earth-like exoplanet climate dynamics: the case of Proxima Centauri b [PDF]

Monthly notices of the Royal Astronomical Society
The emergence of the James Webb Space Telescope and the development of other advanced observatories (e.g. ELTs, LIFE and HWO) marks a pivotal moment in the quest to characterize the atmospheres of Earth-like exoplanets. Motivated by these advancements,
Paolo De Luca, Marrick Braam, Thaddeus D. Komacek, Assaf Hochman   +3 more
openalex   +3 more sources

Ab Initio Quantum Dynamics as a Scalable Solution to the Exoplanet Opacity Challenge: A Case Study of CO₂ in a Hydrogen Atmosphere [PDF]

Astrophysical Journal
Light–matter interactions lie at the heart of our exploration of exoplanetary atmospheres. Interpreting data obtained by remote sensing is enabled by meticulous, time- and resource-consuming work aiming at deepening our understanding of such interactions
L. Wiesenfeld, Prajwal Niraula, Julien de Wit, N. Jaı̈dane, Iouli E. Gordon, Robert J. Hargreaves   +5 more
openalex   +2 more sources