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The Angular Momentum of the Solar Wind
Edmund J. Weber,Leverett Davis +1 more
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Steady state model of solar wind flow in equatorial plane solved for radial and azimuthal motions, taking into account pressure gradient, magnetic field and gravitational effects as discussed by the authors.Abstract:
Steady state model of solar wind flow in equatorial plane solved for radial and azimuthal motions, taking into account pressure gradient, magnetic field and gravitational effectsread more
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Journal ArticleDOI
Supernova explosions of massive stars and cosmic rays
Peter L. Biermann,Julia Becker Tjus,Wim De Boer,L. Caramete,Alessandro Chieffi,Roland Diehl,Iris Gebauer,László Á. Gergely,Eberhard Haug,Philipp P. Kronberg,Emma Kun,A. Meli,A. Meli,Biman B. Nath,Todor Stanev +14 more
TL;DR: In this paper, it was shown that cosmic rays from exploding massive stars with winds always show two cosmic ray components at the same time: (i) the weaker polar cap component only produced by Diffusive Shock Acceleration, showing a relatively flat spectrum, and cut-off at the knee, and (ii) the stronger 4 π component, which is produced by a combination of Stochastic Shock Drift Acceleration and DiffusiveShock Acceleration.
Journal ArticleDOI
MHD simulation scenarios of the stellar wind interaction with Hot Jupiter magnetospheres
TL;DR: In this paper, the authors present three-dimensional numerical simulations of the interaction between a Hot Jupiter and the stellar wind plasma of its host star in the framework of resistive magnetohydrodynamics.
Journal ArticleDOI
Exploring the Evolution of Stellar Rotation Using Galactic Kinematics
Ruth Angus,Angus Beane,Adrian M. Price-Whelan,Elisabeth R. Newton,Jason L. Curtis,Travis A. Berger,Jennifer L. van Saders,Rocio Kiman,Daniel Foreman-Mackey,Yuxi Lu,Lauren Anderson,Jacqueline K. Faherty +11 more
TL;DR: In this article, velocity dispersion is used as an age proxy to reveal the temperature-dependent rotational evolution of low-mass Kepler dwarfs, and demonstrate that kinematic ages could be a useful tool for calibrating gyrochronology in the future.
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Empirical Tidal Dissipation in Exoplanet Hosts From Tidal Spin-Up
TL;DR: In this article, the authors analyzed a sample of all known hot Jupiters with an orbital period of 3.5 days and a "cool" host star and found evidence that the tidal dissipation parameter increases sharply with forcing frequency.
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Cosmic ray transport in heliospheric magnetic structures. I. Modeling background solar wind using the CRONOS magnetohydrodynamic code
T. Wiengarten,Jens Kleimann,Horst Fichtner,Patrick Kühl,Andreas Kopp,Bernd Heber,Ralf Kissmann +6 more
TL;DR: In this paper, a numerical magnetohydrodynamic (MHD) setup was used to model inner-heliospheric solar wind conditions with a 3D transport code employing a stochastic differential equation approach.