Results 31 to 40 of about 16,490 (246)

DYNAMIC EVOLUTION EXOPLANET SYSTEMS, MOVING IN ORBITAL RESONANCES WITH THE ACCOUNT OF SECULAR PERTURBATION FROM N BODIES

Odessa Astronomical Publications, 2017
Equations of exoplanet's motion connected with orbital Lindblad resonances with the account of secular terms caused by gravitational non-resonant perturbation are derived. Qualitative researches of orbital evolution modeling exoplanet systems are carried
B. R. Mushailov, A. K. Chuyas
doaj   +1 more source

Theoretical models of planetary system formation. II. Post-formation evolution [PDF]

, 2015
We extend the results of planetary formation synthesis by computing the long-term evolution of synthetic systems from the clearing of the gas disk into the dynamical evolution phase.
Alibert, Y., Benz, W., Pfyffer, S., Swoboda, D.   +3 more
core   +3 more sources

The Possible Evolution of an Exoplanet’s Atmosphere

Eos, 2021
Scientific sleuths explore data gathered trillions of kilometers away and put forth different, and often conflicting, ideas to reconstruct the gaseous envelope on a distant rocky exoplanet, GJ 1132 b.
openaire   +1 more source

Exoplanet status report: Observation, characterization and evolution of exoplanets and their host stars

Solar System Research, 2010
After the discovery of more than 400 planets beyond our Solar System, the characterization of exoplanets as well as their host stars can be considered as one of the fastest growing fields in space science during the past decade. The characterization of exoplanets can only be carried out in a well coordinated interdisciplinary way which connects ...
Lammer, H., Hanslmeier, A., Schneider, Jodi, Stateva, I. K., Barthelemy, M., Belu, A. R., Bisikalo, D., Bonavita, M., Eybl, V., Coudé Du Foresto, V., Fridlund, M., Dvorak, R., Eggl, S., Griessmeier, Jean-Mathias, Güdel, M., Günther, E., Hausleitner, W., Holmström, M., Kallio, E., Khodachenko, M. L., Konovalenko, A. A., Krauss, S., Ksanfomality, L. V., Kulikov, Yu. N., Kyslyakova, K., Leitzinger, M., Liseau, R., Lohinger, E., Odert, P., Palle, E., Reiners, A., Ribas, I., Rucker, H. O., Sarda, N., Seckbach, J., Shematovich, V. I., Sozzetti, A., Tavrov, A., Xiang-Grüss, M.   +38 more
openaire   +5 more sources

Helium Atmospheres on Warm Neptune- and Sub-Neptune-Sized Exoplanets and Applications to GJ 436 b [PDF]

, 2015
Warm Neptune- and sub-Neptune-sized exoplanets in orbits smaller than Mercury's are thought to have experienced extensive atmospheric evolution. Here we propose that a potential outcome of this atmospheric evolution is the formation of helium-dominated ...
Hu, Renyu, Seager, Sara, Yung, Yuk L.
core   +3 more sources

Haze evolution in temperate exoplanet atmospheres through surface energy measurements [PDF]

Nature Astronomy, 2021
6 figures, 2 tables, 23 ...
Xinting Yu, Chao He, Xi Zhang, Sarah M. Hörst, Austin H. Dymont, Patricia McGuiggan, Julianne I. Moses, Nikole K. Lewis, Jonathan J. Fortney, Peter Gao, Eliza M.-R. Kempton, Sarah E. Moran, Caroline V. Morley, Diana Powell, Jeff A. Valenti, Véronique Vuitton   +15 more
openaire   +7 more sources

Theoretical Spectra of Terrestrial Exoplanet Surfaces [PDF]

, 2012
We investigate spectra of airless rocky exoplanets with a theoretical framework that self-consistently treats reflection and thermal emission. We find that a silicate surface on an exoplanet is spectroscopically detectable via prominent Si-O features in ...
Batalha, Best, Bethany L. Ehlmann, Borucki, Borucki, Cheek, Clark, Clark, Cochran, Cowan, de Pater, Drilling, Farmer, Gautier, Koch, Miller-Ricci, Muirhead, Pieters, Pieters, RELAB Spectral Database, Renyu Hu, Rogers, Salisbury, Sara Seager, Seager, Seager, Sobolev, Sprague, Winn   +28 more
core   +2 more sources

The Atmospheric Evolution of Small, Close-In Exoplanets

, 2022
Submitted in part fulfilment of the requirements for the degree of Doctor of Philosophy at Imperial College London, July 2022.
openaire   +4 more sources

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

The 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, Xian-Yu Wang, Songhu Wang, Avi Shporer, Khalid Barkaoui, Rafael Brahm, Karen A. Collins, Andrés Jordán, Nataliea Lowson, R. Paul Butler, Jeffrey D. Crane, Stephen Shectman, Johanna K. Teske, David Osip, Kevin I. Collins, Felipe Murgas, Gavin Boyle, Francisco J. Pozuelos, Mathilde Timmermans, Emmanuel Jehin, Michaël Gillon   +20 more
doaj   +1 more source

Radial velocity eclipse mapping of exoplanets [PDF]

, 2015
Planetary rotation rates and obliquities provide information regarding the history of planet formation, but have not yet been measured for evolved extrasolar planets.
Barnes J. W., Correia A. C. M., Cowan N. B., Cox A. N., de Pater I., Faure G., Felix Sainsbury-Martinez, Fujii Y., Guillot T., Heller R., Hirano T., Hui L., Kataria T., Kawahara H., Kawahara H., Mandel K., Markwardt C. B., Murray C. D, Nikolay Nikolov, Ohta Y., Pallé E., Paz-Chinchón F., Seager S., Winn J. N.   +23 more
core   +2 more sources