Synchrotron emission from relativistic jets can be highly polarized. I demonstrate that the polarimetric signature of jets in X-ray binaries is detected in the infrared and is highly variable. This reveals the turbulent magnetic geometry in the compact jet. I present the first ever test for a correlation between optical polarization and X-ray flux

The plenoptic camera has been proposed as an alternative wavefront sensor adequate for extended objects within the context of the design of the European Solar Telescope (EST), but it can also be used with point sources. Originated in the field of the Electronic Photography, the plenoptic camera directly samples the Light Field function, which is

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The file EW.dat lists the equivalent widths (EW) of all the spectral lines. Columns 1, 2, and 3 list the name of the stars, wavelength and EWs of the lines. The file table4.dat lists the derived abundances of the elements, rms, and number of measured lines for each star. The file table5.dat lists the parameters used to assign the Galactic

We review recent results that indicate that black hole entropy and other thermodynamical quantities can be consistently computed in LQG and that the results are in agreement with Hawking's semiclassical analysis for all values of the Immirzi parameter. This new results are based on the identification of a physical notion of energy for local

We report the discovery of a unique object, BD+48 740, a lithium overabundant giant with A(Li) = 2.33 ± 0.04 (where A(Li) = log n Li/n H + 12), that exhibits radial velocity (RV) variations consistent with a 1.6 MJ companion in a highly eccentric, e = 0.67 ± 0.17, and extended, a = 1.89 AU (P = 771 days), orbit. The high eccentricity of the planet