Magnetic fields in spiral galaxies
R Beck - The Astronomy and Astrophysics Review, 2016 - Springer
Radio synchrotron emission, its polarization and Faraday rotation of the polarization angle
are powerful tools to study the strength and structure of magnetic fields in galaxies …
are powerful tools to study the strength and structure of magnetic fields in galaxies …
Maximally star-forming galactic disks. I. Starburst regulation via feedback-driven turbulence
EC Ostriker, R Shetty - The Astrophysical Journal, 2011 - iopscience.iop.org
Star formation rates in the centers of disk galaxies often vastly exceed those at larger radii,
whether measured by the surface density of star formation Σ SFR, by the star formation rate …
whether measured by the surface density of star formation Σ SFR, by the star formation rate …
What is driving the H i velocity dispersion?
D Tamburro, HW Rix, AK Leroy… - The Astronomical …, 2009 - iopscience.iop.org
We explore what dominant physical mechanism sets the kinetic energy contained in neutral,
atomic (H i) gas. Both supernova (SN) explosions and magnetorotational instability (MRI) …
atomic (H i) gas. Both supernova (SN) explosions and magnetorotational instability (MRI) …
Three-dimensional hydrodynamic simulations of multiphase galactic disks with star formation feedback. I. Regulation of star formation rates
CG Kim, EC Ostriker, WT Kim - The Astrophysical Journal, 2013 - iopscience.iop.org
The energy and momentum feedback from young stars has a profound impact on the
interstellar medium (ISM), including heating and driving turbulence in the neutral gas that …
interstellar medium (ISM), including heating and driving turbulence in the neutral gas that …
Regulation of star formation rates in multiphase galactic disks: numerical tests of the thermal/dynamical equilibrium model
CG Kim, WT Kim, EC Ostriker - The Astrophysical Journal, 2011 - iopscience.iop.org
We use vertically resolved numerical hydrodynamic simulations to study star formation and
the interstellar medium (ISM) in galactic disks. We focus on outer-disk regions where diffuse …
the interstellar medium (ISM) in galactic disks. We focus on outer-disk regions where diffuse …
A model for the onset of self-gravitation and star formation in molecular gas governed by galactic forces. I. Cloud-scale gas motions
SE Meidt, AK Leroy, E Rosolowsky… - The Astrophysical …, 2018 - iopscience.iop.org
Modern extragalactic molecular gas surveys now reach the scales of star-forming giant
molecular clouds (GMCs; 20–50 pc). Systematic variations in GMC properties with galaxy …
molecular clouds (GMCs; 20–50 pc). Systematic variations in GMC properties with galaxy …
Interplay between stellar spirals and the interstellar medium in Galactic disks
We propose a new dynamical picture of galactic stellar and gas spirals, based on
hydrodynamic simulations in a" live" stellar disk. We focus especially on spiral structures …
hydrodynamic simulations in a" live" stellar disk. We focus especially on spiral structures …
New constraints on modelling the random magnetic field of the MW
MC Beck, AM Beck, R Beck, K Dolag… - … of Cosmology and …, 2016 - iopscience.iop.org
We extend the description of the isotropic and anisotropic random component of the small-
scale magnetic field within the existing magnetic field model of the Milky Way from Jansson …
scale magnetic field within the existing magnetic field model of the Milky Way from Jansson …
The virial balance of clumps and cores in molecular clouds
S Dib, J Kim, E Vázquez-Semadeni… - The Astrophysical …, 2007 - iopscience.iop.org
We study the instantaneous virial balance of CCs in numerical models of MCs. The models
represent a range of magnetic field strengths in MCs from subcritical to nonmagnetic …
represent a range of magnetic field strengths in MCs from subcritical to nonmagnetic …
Gravitational runaway and turbulence driving in star-gas galactic disks
WT Kim, EC Ostriker - The Astrophysical Journal, 2007 - iopscience.iop.org
Galactic disks consist of both stars and gas. The gas is more dynamically responsive than
the stars, and strongly nonlinear structures and velocities can develop in the interstellar …
the stars, and strongly nonlinear structures and velocities can develop in the interstellar …