Results 81 to 90 of about 68,799 (245)

A fresh look into the interaction of exoplanets magnetosphere with stellar winds using MHD simulations

Frontiers in Astronomy and Space Sciences
Numerous numerical studies have been carried out in recent years that simulate different aspects of exoplanets’ magnetosphere and stellar winds. These studies have focused primarily on hot Jupiters with sun-like stars. This study addresses the challenges
Fatemeh Bagheri, Fatemeh Bagheri, Ramon Lopez, Kevin Pham   +3 more
doaj   +1 more source

Follow-Up and Validation of K2 and TESS Planetary Systems With Keck NIRC2 Adaptive Optics Imaging

Frontiers in Astronomy and Space Sciences, 2021
High resolution imaging (HRI) is a critical part of the transiting exoplanet follow-up and validation process. HRI allows previously unresolved stellar companions and background blends to be resolved, vetting false positive signals and improving the ...
Joshua E. Schlieder, Erica J. Gonzales, David R. Ciardi, Rahul I. Patel, Ian J. M. Crossfield, Justin R. Crepp, Courtney D. Dressing, Thomas Barclay, Thomas Barclay, Andrew W. Howard   +9 more
doaj   +1 more source

Exoplanet Terra Incognita

, 2018
Exoplanet surface imaging, cartography and the search for exolife are the next frontiers of planetology and astrophysics. Here we present an over-view of ideas and techniques to resolve albedo features on exoplanetary surfaces.
A Carbognani, B-O Demory, C Burke, C Maccone, D Morrison, D Sirbu, DM Fluri, F Feng, F Pont, G Anglada-Escudé, H Kawahara, HA Knutson, HN Russell, IAG Snellen, IJM Crossfield, IJM Crossfield, J Harrington, J Krissansen-Totton, JC Schwartz, JL Grenfell, M Bonnefoy, M Kaasalainen, MF Sterzik, MW Buie, NB Cowan, NB Cowan, P Ingraham, R Heller, R Heller, SV Berdyugina, SV Berdyugina, SV Berdyugina, SV Berdyugina, T Karalidi, TM Evans, VR Eshleman, VS Meadows, Y Fujii   +37 more
core   +1 more source

Infrared Observations During the Secondary Eclipse of HD 209458b: I. 3.6-Micron Occultation Spectroscopy Using the VLT [PDF]

, 2002
We search for an infrared signature of the transiting extrasolar planet HD 209458b during secondary eclipse. Our method, which we call `occultation spectroscopy,' searches for the disappearance and reappearance of weak spectral features due to the ...
Brown L. R., Cedric Goukenleuque, David Steyert, Drake Deming, Guenter Wiedemann, Joseph Harrington, L. Jeremy Richardson, Larry W. Esposito, Perryman M. A. C., Sawyer S. R.   +9 more
core   +3 more sources

L'ADIEU AU RÉFÉRENT [PDF]

Diversitate si Identitate Culturala in Europa, 2016
Exoplanets, discovered by Mayor and Queloz, have changed our definition of the word planet. Nowadays, nobody can defin precisely this term. Study this exemple shows that the referential sense is neither in words, nor in the head, but in a linguistic use,
François GAUDIN
doaj  

Altitude Profile and Isotopic Composition for N2 From Pioneer Venus Mass Spectra

Geophysical Research Letters, Volume 52, Issue 23, 16 December 2025.
Abstract We report the highest resolution altitude profile and isotopic composition for N2 at Venus, to date. These results were obtained through re‐analysis of data acquired by the Pioneer Venus Large Probe Neutral Mass Spectrometer (LNMS). The N2 is non‐uniformly mixed across the clouds and sub‐cloud atmosphere (∼59–15 km) yet uniformly mixed across ...
R. Mogul, S. S. Limaye, M. J. Way
wiley   +1 more source

The Search for Stellar Companions to Exoplanet Host Stars Using the CHARA Array

, 2008
Most exoplanets have been discovered via radial velocity studies, which are inherently insensitive to orbital inclination. Interferometric observations will show evidence of a stellar companion if it sufficiently bright, regardless of the inclination ...
Ellyn K. Baines, Habets G. M. H. J., Harold A. McAlister, Imbert M., Judit Sturmann, Laszlo Sturmann, Mitchell D. S., Nils H. Turner, Perryman M. A. C., Stephen T. Ridgway, Theo A. ten Brummelaar   +10 more
core   +1 more source

The Power of a Name: Toward a Unified Approach to Naming Space Weather Events

Perspectives of Earth and Space Scientists, Volume 6, Issue 1, December 2025.
Abstract Our increasing reliance on technology vulnerable to space weather effects underscores the urgent need for effective public communication about these phenomena. While scientific research thrives on precise technical language, broader public engagement necessitates a more accessible and memorable approach.
Sophie Chabanski, Felix de Montety, Jean Lilensten, Stefaan Poedts, Luca Spogli   +4 more
wiley   +1 more source

Planet Populations as a Function of Stellar Properties

, 2018
Exoplanets around different types of stars provide a window into the diverse environments in which planets form. This chapter describes the observed relations between exoplanet populations and stellar properties and how they connect to planet formation ...
A Cumming, A Izidoro, A Mortier, A Mortier, A Silburt, A Wolfgang, A. Mortier, AC Boley, AN Youdin, AP Boss, AP Boss, AW Howard, AW Mann, B Courcol, B Rojas-Ayala, Benjamin T. Montet, BMS Hansen, BMS Hansen, C Beaugé, C Cossou, C Dressing, C Dressing, C Laws, C Mordasini, C Mordasini, C Obermeier, C Terquem, Christian Clanton, CJ Burke, Courtney D. Dressing, D Charbonneau, D Foreman-Mackey, D Huber, D Huber, DA Fischer, Daniel C. Fabrycky, DNC Lin, Dun Wang, E Chiang, E Gaidos, E Gaidos, E Gaidos, E Jehin, E Jofré, E Kokubo, E Kokubo, E Kokubo, EA Petigura, EA Petigura, EJ Lee, EW Thommes, F Fressin, F Meru, FJ Ciesla, G Gonzalez, G Gonzalez, G Gonzalez, G Kennedy, G Laughlin, G Laughlin, GAL Coleman, GD Mulders, GD Mulders, GD Mulders, GD Mulders, GW Marcy, GW Wetherill, H Rein, HE Schlichting, I Pascucci, IJM Crossfield, IN Reid, J Maldonado, J Wang, JA Johnson, JA Johnson, JA Johnson, JB Pollack, JE Chambers, JJ Lissauer, JL Christiansen, JN Winn, Jonathan J. Swift, JP Williams, K Fuhrmann, K Kornet, K Sadakane, K.-M. Dittkrist, KC Schlaufman, KC Schlaufman, KC Schlaufman, Konstantin Batygin, L Ghezzi, L Pasquini, LA Buchhave, LA Buchhave, LA Buchhave, M Endl, M Endl, M Gillon, M Ikoma, M Mayor, M Mayor, M. Ansdell, ME Everett, MI Jones, N. C. Santos, NC Santos, NC Santos, NC Santos, NC Santos, P Goldreich, P Pinilla, PW Sullivan, RC Terrien, RI Dawson, RL Gilliland, Robert A. Wittenmyer, RP Butler, S Dong, S Hekker, S Ida, S Ida, S Ida, S Mathur, S Mohanty, S Udry, S Udry, S. G. Sousa, Sabine Reffert, Scott A. Barenfeld, Sean M. Andrews, SG Sousa, SN Raymond, SN Raymond, TD Morton, TM Brown, V. Zh. Adibekyan, Vardan Adibekyan, W Zhu, WR Ward, X Bonfils, Y Hasegawa, Y Hasegawa, Y Takeda, Y. Alibert, Y. Alibert, ZK Berta   +147 more
core   +1 more source

Emergent Exoplanet Flux: Review of the Spitzer Results [PDF]

, 2008
Observations using the Spitzer Space Telescope provided the first detections of photons from extrasolar planets. Spitzer observations are allowing us to infer the temperature structure, composition, and dynamics of exoplanet atmospheres.
Bouchy, Charbonneau, Demory, Drake Deming, Gillon, Morales-Calderon, Showman   +6 more
core   +1 more source