Observations show that propagating magnetohydrodynamic (MHD) waves are ubiquitous in the solar atmosphere. The technique of MHD seismology uses the wave observations combined with MHD wave theory to indirectly infer physical parameters of the solar atmospheric plasma and magnetic field. Here, we present an analytical seismological inversion scheme
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Analytic Approximate Seismology of Propagating Magnetohydrodynamic Waves in the Solar CoronaGoossens, M. et al.122012
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Angular anisotropy of the fusion-fission and quasifission fragments
The anisotropy in the angular distribution of the fusion-fission and quasifission fragments for the 16O + 238U , 19F + 208Pb and 32S + 208Pb reactions is studied by analyzing the angular-momentum distributions of the dinuclear system and compound nucleus which are formed after capture and complete fusion, respectively. The orientation angles of the
Nasirov, A. K. et al.Fecha de publicación:
122007 -
Anomalous Circular Polarization Profiles in Sunspot Chromospheres
This paper presents a detailed description, analysis, and interpretation of the spectropolarimetric observations recently reported by Socas-Navarro, Trujillo Bueno, & Ruiz Cobo. These observations consist of time series of Stokes I and V profiles above a sunspot umbra. The spectral lines observed simultaneously are the Ca II chromospheric lines at
Socas-Navarro, H. et al.Fecha de publicación:
122000 -
APOGEE: The Apache Point Observatory Galactic Evolution Experiment
APOGEE is a large-scale, NIR, high-resolution (R˜ 20 000) spectroscopic survey of Galactic stars. It is one of the four experiments in SDSS-III. Because APOGEE will observe in the H band, where the extinction is six times smaller than in V, it will be the first survey to pierce through Galactic dust and provide a vast, uniform database of chemical
Allende Prieto, C. et al.Fecha de publicación:
122008 -
Archaeoastronomy in Bronze Age Sites of La Mancha (Spain)
We present archaeoastronomical results of an interdisciplinary project to study Bronze Age sites of the socalled Cultura de las Motillas in the Spanish region of La Mancha. We find that winter solstice sunrise was of special importance in the funerary and perhaps religious practises of these peoples. The impressive megalithic monumental complex
Esteban, C. et al.Fecha de publicación:
122016 -
Are beryllium abundances anomalous in stars with giant planets?
In this paper we present beryllium (Be) abundances in a large sample of 41 extra-solar planet host stars, and for 29 stars without any known planetary-mass companion, spanning a large range of effective temperatures. The Be abundances were derived through spectral synthesis done in standard Local Thermodynamic Equilibrium, using spectra obtained
Santos, N. C. et al.Fecha de publicación:
122004