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Related papers: Models of the Solar Wind Interaction with Local In…

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The composition and physical properties of several local clouds, including the Local Interstellar Cloud (LIC) in which the Sun is embedded, are derived from absorption features in the UV spectrum of the star epsilon CMa. We derive…

Astrophysics · Physics 2009-10-31 Cecile Gry , Edward B. Jenkins

Interstellar dust and gas that enter the heliosphere provide us with important clues about both the heliosphere and the local interstellar medium (LISM). The picture we have of the Local Interstellar Cloud (LIC) from both \emph{in situ}…

Astrophysics of Galaxies · Physics 2020-12-09 Jonathan D. Slavin

Astrophysical fluids, including interstellar and interplanetary medium, are magnetized and turbulent. Their appearance, evolution, and overall properties are determined by the magnetic turbulence that stirs it. We argue that examining…

Astrophysics · Physics 2009-11-13 A. Lazarian , A. Beresnyak , H. Yan , M. Opher , Y. Liu

While several studies have investigated large-scale cluster winds resulting from an intra-cluster interaction of multiple stellar winds, as yet they have not provided details of the bordering flows inside a given cluster. The present work…

Solar and Stellar Astrophysics · Physics 2018-08-30 Klaus Scherer , Alexander Noack , Jens Kleimann , Horst Fichtner , Kertsin Weis

The interstellar cloud surrounding the solar system regulates the galactic environment of the Sun and constrains the physical characteristics of the interplanetary medium. This paper compares interstellar dust grain properties observed…

Astrophysics · Physics 2009-10-31 P. C. Frisch

This paper provides a critical discussion of the observational evidence for winds in our own Galaxy, in nearby star-forming and active galaxies, and in the high-redshift universe. The implications of galactic winds on the formation and…

Astrophysics · Physics 2007-05-23 Sylvain Veilleux

The magnetic disturbances are associated with electric currents as it is well checked at laboratory room scales and described by the Maxwell's equations of electromagnetic field. The analysis of spacecraft observations for more than a…

Space Physics · Physics 2007-05-23 Eugene Savov

We discuss how recent advances in observations, theory and numerical simulations have allowed the stellar community to progress in its understanding of stellar convection, rotation and magnetism and to assess the degree to which the Sun and…

Solar and Stellar Astrophysics · Physics 2015-03-24 A. S. Brun , R. A. Garcia , G. Houdek , D. Nandy , M. Pinsonneault

This paper provides a detailed description of the latest version of our model of the solar wind (SW) interaction with the local interstellar medium (LISM). This model has already been applied to the analysis of Lyman-alpha absorption…

Solar and Stellar Astrophysics · Physics 2015-10-28 Vladislav Izmodenov , Dmitry Alexashov

The magnetic field in the local interstellar medium does not follow the large-scale Galactic magnetic field. The local magnetic field has probably been distorted by the Local Bubble, a cavity of hot ionized gas extending all around the Sun…

Astrophysics of Galaxies · Physics 2018-04-11 M. I. R. Alves , F. Boulanger , K. Ferriere , L. Montier

A hybrid plasma solver treats ions as particles and electrons as a fluid. We have implemented a parallel hybrid solver in the FLASH open source software framework. The solver has been applied to studies of the interaction between the solar…

Space Physics · Physics 2015-12-07 M. Holmstrom , X. -D. Wang

The aim of this study is to simulate the interaction of the solar wind with the Hermean magnetosphere when the interplanetary magnetic field is weak, performing a parametric study for all the range of hydrodynamic values of the solar wind…

Earth and Planetary Astrophysics · Physics 2016-08-15 J. Varela , F. Pantellini , M. Moncuquet

The importance of understanding the current and historical galactic environments of cool stars is discussed. The penetration of interstellar gas into a stellar astrosphere is a function of the interaction of the star with the interstellar…

Astrophysics · Physics 2007-05-23 Priscilla C. Frisch

Current spacecraft missions such as Wind and ACE can be used to determine magnetic correlation functions in the solar wind. Data sets from these missions can, in principle, also be used to compute so-called Eulerian correlation functions.…

Astrophysics · Physics 2008-12-18 A. Shalchi

The supersonic stellar and disk winds possessed by massive young stellar objects will produce shocks when they collide against the interior of a pre-existing bipolar cavity (resulting from an earlier phase of jet activity). The shock heated…

High Energy Astrophysical Phenomena · Physics 2010-11-03 E. R. Parkin , J. M. Pittard , M. G. Hoare , N. J. Wright , J. J. Drake

We present numerical simulations of the hydrodynamical interactions that produce circumstellar shells. These simulations include several scenarios, such as wind-wind interaction and wind-ISM collisions. In our calculations we have taken…

Solar and Stellar Astrophysics · Physics 2015-05-30 Allard Jan van Marle , Zakaria Meliani , Rony Keppens , Leen Decin

By a few but important examples as models of combined radiative and wind-driven HII regions and galactic winds we demonstrate the importance of refined small-to-medium scale studies of chemo-dynamical effects. These processes determine the…

Astrophysics · Physics 2007-09-06 Gerhard Hensler , Simone Recchi , Danica Kroeger , Tim Freyer

We provide a brief overview of recent advances and outstanding issues in simulations of interstellar turbulence, including isothermal models for interior structure of molecular clouds and larger-scale multiphase models designed to simulate…

Astrophysics of Galaxies · Physics 2011-05-05 Alexei G. Kritsuk , Sergey D. Ustyugov , Michael L. Norman

Despite over 35 years of constant satellite-based measurements of cloud, reliable evidence of a long-hypothesized link between changes in solar activity and Earth's cloud cover remains elusive. This work examines evidence of a cosmic ray…

Atmospheric and Oceanic Physics · Physics 2012-11-26 Benjamin A. Laken , Enric Palle , Jasa Calogovic , Eimear M. Dunne

The ambient solar wind conditions in interplanetary space and in the near-Earth environment are determined by activity on the Sun. Steady solar wind streams modulate the propagation behaviour of interplanetary coronal mass ejections and are…