Results 31 to 40 of about 1,706 (153)
Engulfment of Eccentric Planets by Giant Stars: Hydrodynamics and Light Curves
The Astrophysical JournalRecent observations suggest that planetary engulfment by a giant star may produce radiation that resembles subluminous red novae. We present three-dimensional hydrodynamical simulations of the interaction between an eccentric 5 M _J giant planet and its ...
Mengqi Yang +3 more
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Metrics for Optimizing Searches for Tidally Decaying Exoplanets
The Astronomical Journal, 2023 Tidal interactions between short-period exoplanets and their host stars drive orbital decay and have likely led to engulfment of planets by their stars.
Brian Jackson +2 more
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, 2014 Stars interact with their planets through gravitation, radiation, and magnetic fields. I shall focus on the interactions between late-type stars with an outer convection zone and close-in planets, i.e., with an orbital semimajor axis smaller than approximately 0.15 AU.
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Magnetic Field of Gas Giant Exoplanets and Its Influence on the Retention of Their Exomoons
The Astrophysical JournalWe study the magnetic and tidal interactions of a gas-giant exoplanet with its host star and with its exomoons, and focus on their retention. We briefly revisit the scaling law for planetary dynamo in terms of its mass, radius, and luminosity.
Xing Wei, D. N. C. Lin
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Radio Prospects of Extrasolar Aurorae Polaris as a Probe of Planetary Magnetism
The Astrophysical JournalMagnetized exoplanets are expected to emit auroral cyclotron radiation in the radio regime due to the interactions between their magnetospheres, the interplanetary magnetic field, and the stellar wind.
Asaf Kaya, Tansu Daylan
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Physics of star-planet magnetic interactions
, 2021 21 pages, 10 figures, to appear in the Proceedings of the Evry Schatzman School 2019 "Interactions star-planet".
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Tilted Circumbinary Planetary Systems as Efficient Progenitors of Free-floating Planets
The Astrophysical Journal LettersThe dominant mechanism for generating free-floating planets has so far remained elusive. One suggested mechanism is that planets are ejected from planetary systems due to planet–planet interactions.
Cheng Chen +3 more
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Modeling magnetized star-planet interactions: boundary conditions effects [PDF]
Proceedings of the International Astronomical Union, 2013 AbstractWe model the magnetized interaction between a star and a close-in planet (SPMIs), using global, magnetohydrodynamic numerical simulations. In this proceedings, we study the effects of the numerical boundary conditions at the stellar surface, where the stellar wind is driven, and in the planetary interior.
Strugarek, Antoine +3 more
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PPDONet: Deep Operator Networks for Fast Prediction of Steady-state Solutions in Disk–Planet Systems
The Astrophysical Journal Letters, 2023 We develop a tool, which we name Protoplanetary Disk Operator Network (PPDONet), that can predict the solution of disk–planet interactions in protoplanetary disks in real time.
Shunyuan Mao +5 more
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Different types of star-planet interactions [PDF]
Proceedings of the International Astronomical Union, 2019 AbstractStars and their exoplanets evolve together. Depending on the physical characteristics of these systems, such as age, orbital distance and activity of the host stars, certain types of star-exoplanet interactions can dominate during given phases of the evolution.
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