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Emission Measure Distribution and Heating of Two Active Region Cores
Emission Measure Distribution Heating Active Region Cores
2011/10/13
Using data from the Extreme-ultraviolet Imaging Spectrometer aboard Hinode, we have studied the coronal plasma in the core of two active regions. Concentrating on the area between opposite polarity mo...
Faraday Rotation Measure due to the Intergalactic Magnetic Field II: the Cosmological Contribution
intergalactic medium — large-scale structure of universe —magnetic fields — polarization
2011/8/24
We investigate the Faraday rotation measure (RM) due to the intergalactic magnetic field (IGMF) through the cosmic web up to cosmological distances, using a model IGMF based on turbulence dynamo in th...
An analysis of structure in rotation measure (RM) across the sky based on the RM catalog of Taylor et al. (2009) is presented. Several resolved RM structures are identified with structure in the local...
An iterative method in a probabilistic approach to the spectral inverse problem: Differential emission measure from line spectra and broadband data
the spectral inverse problem Differential emission measure
2011/1/11
Inverse problems are of great importance in astrophysics for deriving information about the physical characteristics of hot optically thin plasma sources from their EUV and X-ray spectra. We describe ...
Polarised foreground removal at low radio frequencies using rotation measure synthesis: Uncovering the signature of hydrogen reionisation
cosmology observation cosmology theory di use radiation nstrumentation:
2010/11/12
Measurement of redshifted 21-cm emission from neutral hydrogen promises to be the most e ective method for studying the reionisation history of hydrogen and,indirectly, the rst galaxies. These studie...
Star formation: statistical measure of the correlation between the prestellar core mass function and the stellar initial mass function
stars formation — stars luminosity function mass function — ISM clouds
2010/11/11
We present a simple statistical analysis of recent numerical simulations exploring the correlation between the core mass function obtained from the fragmentation of a molecular cloud and the stellar m...
A multi-site campaign to measure solar-like oscillations in Procyon. II. Mode frequencies
stars individual (Procyon A) stars oscillations
2010/3/9
We have analyzed data from a multi-site campaign to observe oscillations in the F5 star Procyon. The data consist of high-precision velocities that we obtained over more than three weeks with eleven t...
A polarizing Fourier Transform Spectrometer to characterize millimeter-wavelength filters and measure the atmospheric opacity
polarizing Fourier Transform Spectrometer millimeter-wavelength filters atmospheric opacity
2009/6/25
A polarizing Fourier Transform Spectrometer to characterize millimeter-wavelength filters and measure the atmospheric opacity。