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Redshift-Space Enhancement of Line-of-Sight Baryon Acoustic Oscillations in the SDSS Main-Galaxy Sample
cosmology large-scale structure of Universe - methods data analysis
2010/11/15
We show that redshift-space distortions of galaxy correlations have a strong e ect on correlation functions with distinct, localized features, like the signature of the Baryon Acoustic Oscillations (B...
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...
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...