Results 101 to 110 of about 3,335,678 (179)
Helium-poor Winds Do Not Require Helium-poor Planets
The Astrophysical JournalObservations of the metastable He i 10830 Å triplet have revealed escaping exoplanet atmospheres whose inferred helium abundances range from nearly nebular compositions to strongly helium-depleted winds. Such depletion is commonly interpreted as evidence
Leonardos Gkouvelis +1 more
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Eccentricity Evolution of Warm Jupiters: The Role of Distant Perturbers and nearby Companions
The Astrophysical JournalWarm Jupiters (WJs)—giant exoplanets with orbital periods between 10 and 200 days—exhibit a broad range of eccentricities and are often accompanied by nearby low-mass planets.
Ying He, Dong-Hong Wu, Sheng Jin
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Revised exoplanet radii and habitability using Gaia Data Release 2
, 2018 Accurate stellar properties are crucial for determining exoplanet characteristics. Gaia DR2 presents revised distances, luminosities, and radii for 1.6 billion stars. Here, we report the calculation of revised radii and densities for 320 exoplanets using
Johns, Daniel +6 more
core +1 more source
The Astrophysical JournalThe formation and evolution of planetary systems are linked to their host stellar environment. In this study, we employ a pebble-accretion-based planet population synthesis model to explore the correlation between planetary properties and stellar mass ...
Mengrui Pan +5 more
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An Eccentric Sub-Neptune Moving Into the Evaporation Desert
The Astrophysical Journal LettersThough missions such as Kepler, K2, and TESS have discovered >2000 sub-Neptune and Neptunian planets, there is a dearth of such planets at close-in ( P ≲ 3 days) orbits. This feature, called the Neptune desert or the evaporation desert, is believed to be
Sydney A. Jenkins +33 more
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The Astronomical JournalSub-Neptunes have been found to be one of the most common types of exoplanets, yet their physical parameters and properties are poorly determined and in need of further investigation.
Ing-Guey Jiang +5 more
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Architecture Classification for Extrasolar Planetary Systems
The Astronomical JournalThis paper presents a classification framework for the architectures of planetary systems based on a complete survey of the confirmed exoplanet population. With nearly 6000 confirmed exoplanets discovered, including more than 300 multiplanet systems with
Alex R. Howe +3 more
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88th Annual Meeting of the Meteoritical Society 2026: Abstracts
Meteoritics &Planetary Science, Volume 61, Issue S1, Page S48-S551, August 2026.
wiley +1 more source
Hydrogen Airglow from an Escaping Ultrahot Jupiter Atmosphere
The Astrophysical Journal LettersIntense high-energy irradiation of close-in gaseous exoplanets drives the rapid escape of their atmospheres, fundamentally shaping planetary demographics. While atmospheric loss is routinely observed via transit absorption in atomic hydrogen, helium, and
Yapeng Zhang +19 more
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Ocean Circulation on Tide-locked Lava Worlds: 3D Modeling with a Simple Boundary Iteration Method
The Astrophysical Journal LettersTide-locked lava worlds are surface-melted rocky planets under a 1:1 tidally locked orbit (i.e., synchronously rotating) with orbital period being equal to rotation period and with permanent hot dayside and cold nightside.
Jun Yang +4 more
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