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Mixing in star-forming clouds explains why sibling stars look alike（图）
sibling star-forming clouds
2014/9/12
The chemical uniformity of stars in the same cluster is the result of turbulent mixing in the clouds of gas where star formation occurs, according to a study by astrophysicists at the University of Ca...
The Stellar Abundances for Galactic Archaeology (SAGA) Database II - Implications for Mixing and Nucleosynthesis in Extremely Metal-Poor Stars and Chemical Enrichment of the Galaxy
The Stellar Abundances for Galactic Archaeology Database II
2011/1/13
We discuss the characteristics of known extremely metal-poor (EMP) stars in the Galaxy using the Stellar Abundances for Galactic Archaeology (SAGA) database (Suda et al. 2008, PASJ, 60, 1159).The anal...
Dark matter and a new gauge boson through kinetic mixing
Hidden gauge symmetry Kinetic mixing Thermal dark matter
2010/11/16
We consider a hidden sector model of dark matter which is charged under a hidden U(1)X gauge symmetry. Kinetic mixing of U(1)X with the Standard Model hypercharge U(1)Y is allowed to provide communica...
Thermohaline Mixing: Does It Really Govern the Atmospheric Chemical Composition of Low-Mass Red Giants?
stars abundances — stars evolution — stars interiors
2010/11/12
First results of our 3D numerical simulations of thermohaline convection driven by 3He burning in a low-mass RGB star at the bump luminosity are presented. They confirm our previous conclusion that th...
MHD Simulations of Parker Instability Undergoing Cosmic-Ray Diffusion: Effect of the Initial Equilibrium Conditions on Mixing
cosmic rays magnetohydrodynamics instability numerical simulation
2010/11/9
Parker instability arises from the presence of magnetic fields in a plasma such as the interstellar medium (ISM),wherein the magnetic buoyant pressure expels the gas and causes the gas to move along t...
Using the X-ray Morphologies of Young Supernova Remnants to Constrain Explosion Type, Ejecta Distribution, and Chemical Mixing
methods data analysis supernova remnants techniques image processing X-rays ISM
2010/11/10
Supernova remnants (SNRs) are a complex class of sources, and their heterogeneous nature has
hindered the characterization of their general observational properties. To overcome this challenge,in thi...
Evidence for rotation-induced mixing in evolved intermediate mass stars
rotation-induced mass stars
2009/6/25
Evidence for rotation-induced mixing in evolved intermediate mass stars。
An Optical Spectroscopic Study of HH 110：a Turbulent Mixing Layer?
Optical Spectroscopic HH 110 Turbulent Mixing Layer
2009/6/15
An Optical Spectroscopic Study of HH 110：a Turbulent Mixing Layer?
Superbubbles and the physics of mixing
The Optical Spectra of Atomic/ionic Mixing Layers
Optical Spectra Atomic ionic Mixing Layers
2009/6/5
The Optical Spectra of Atomic/ionic Mixing Layers。
Neutrino Mixing as a Source for Cosmological Constant
Neutrino Mixing Cosmological Constant
2010/10/14
We report on recent results showing that neutrino mixing may lead to a non-zero contribution to the cosmological constant. This contribution is of a completely different nature with respect to the usu...