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Spectrophotometric variability of the magnetic CP star 56 Arietis in spectral region from 1950 to 3200 A
stars chemically peculiar – stars individual 56 Ari – stars variables: other
2010/11/11
The spectrophotometric variability of the magnetic CP star 56 Arietis (56 Ari) in the ultraviolet spectral region from 1950 to 3200 °A is investigated.This study is based on the archival International...
Numerical simulation of the interaction between solar granules and small-scale magnetic fields
Numerical simulation interaction between solar granules small-scale magnetic fields
2010/11/12
We have carried out numerical simulation based on the equations of radiation magnetohydrodynamics to study the interaction of solar granules and small-scale magnetic fields in photospheric regions wit...
Oscillations and instabilities in neutron stars with poloidal magnetic fields
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/23
We study the time evolution of non-axisymmetric linear perturbations of a rotating magnetised neutron star, whose magnetic field is multipolar and purely poloidal. The background stellar configuration...
Distribution of Magnetic Shear Angle in an Emerging Flux Region
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/23
We study the distribution of magnetic shear in an emerging flux region using the high-resolution Hinode/SOT SP observations. The distribution of mean magnetic shear angle across the active region show...
Inductive Magnetic Footpoint Tracking by Combining the Minimum Energy Fit with the Local Correlation Tracking and Doppler Velocity
Velocity magnetic field induction equation
2010/9/15
Time-dependent magneto-hydrodynamic simulations of active region coronal magnetic field require the underlying photospheric magnetic footpoint velocities. The minimum energy fit (MEF) is a new velocit...
Magnetic Doppler imaging of alpha^2 Canum Venaticorum in all four Stokes parameters--Unveiling the hidden complexity of stellar magnetic fields
polarization stars atmospheres stars chemically peculiar stars magnetic fields stars individual: 2 CVn
2010/3/8
Strong organized magnetic fields have been studied in the upper main sequence chemically peculiar stars for more than half a century. However, only recently have observational methods and numerical te...
New Insights into Dissipation in the Electron Layer During Magnetic Reconnection
New Insights Magnetic Reconnection Electron Layer
2010/3/8
Detailed comparisons are reported between laboratory observations of electron-scale dissipation layers near a reconnecting X-line and direct two-dimensional full-particle simulations. Many experimenta...
Magnetic Activity in the Extreme Ultraviolet
ultraviolet cool stars astronomical observations
2010/4/16
The wealth of astronomical observations obtained in the extreme ultraviolet in recent years, have allowed comprehensive studies of the stellar transition regions and coronae to be carried out. For the...