Results 31 to 40 of about 46,879 (68)
Most Super-Earths Have Less Than 3% Water
The Astrophysical JournalSuper-Earths are highly irradiated, small planets with bulk densities approximately consistent with Earth. We construct combined interior atmosphere models of super-Earths that trace the partitioning of water throughout a planet, including an iron-rich ...
James G. Rogers +4 more
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Global and Local Infall in the ASHES Sample (GLASHES). I. Pilot Study in G337.541
The Astrophysical JournalRecent high-angular-resolution observations indicate the need for core growth to form high-mass stars. To understand the gas dynamics at the core scale in the very early evolutionary stages before being severely affected by feedback, we have conducted ...
Kaho Morii +6 more
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A Deficit of Massive White Dwarfs in Gaia Astrometric Binaries
The Astrophysical Journal LettersThe third data release of Gaia introduced a large catalog of astrometric binaries, out of which about 3200 are likely main-sequence stars with a white dwarf (WD) companion.
Na’ama Hallakoun +4 more
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Dynamics of Binary Planets within Star Clusters
The Astrophysical Journal LettersWe develop analytical tools and perform three-body simulations to investigate the orbital evolution and dynamical stability of binary planets within star clusters.
Yukun Huang, Wei Zhu, Eiichiro Kokubo
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The Astrophysical JournalPolarization measurements provide insight into the magnetic field, a critical aspect of the dynamics and emission properties around the compact object.
Wei Deng +7 more
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An Intermediate-mass Black Hole Hidden behind Thick Obscuration
The Astrophysical JournalRecent models suggest approximately half of all accreting supermassive black holes (SMBHs; M _BH ≳ 10 ^5 M _⊙ ) are expected to undergo intense growth phases behind Compton-thick ( N _H > 1.5 × 10 ^24 cm ^−2 ) veils of obscuring gas.
Peter G. Boorman +14 more
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The Astrophysical JournalThe emergence of magnetic flux from the deep convection zone plays an important role in solar magnetism, such as the generation of active regions and triggering of various eruptive phenomena, including jets, flares, and coronal mass ejections.
Shin Toriumi +2 more
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Quiescent Solar Wind Regions in the Near-Sun Environment: Properties and Radial Evolution
The Astrophysical JournalRegions of magnetic fields with near-radial, Parker-spiral-like geometry known as quiescent regions have been observed in Parker Solar Probe data. These regions have very low δ B /〈∣ B ∣〉 compared to nonquiescent solar wind at the same heliocentric ...
Benjamin Short +3 more
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The Astrophysical JournalWe develop a new method for studying the Galactic magnetic field along the spiral arms using pulsar Faraday rotation measures (RMs). Our new technique accounts for the dot-product nature of Faraday rotation and also splits the associated path integral ...
Alice P. Curtin +2 more
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Radiative Pressure on Fractal Dust Grains in Oxygen-rich AGB Stars
The Astrophysical JournalThere is still considerable debate on the exact composition of grains formed in the outflows of O-rich, asymptotic giant branch stars. Estimates of the expected condensation distances based on radiative transfer calculations show that iron-free silicates
Frank T. Ferguson +2 more
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