Since May 2005 the Tenerife Infrared Polarimeter II (TIP-II) has been operational at the Vacuum Tower Telescope on Tenerife. The core of the polarimeter is a...

During the early stages of planetary formation, planets suffer severe changes in their physical and orbital properties due to internal and external forces...

The TESLA Technical Design Report Part III: Physics at an e+e- Linear Collider

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Silver halide sensitized gelatin (SHSG) processes are interesting because they combine the spectral and energetic sensitivity of a photographic emulsions with...

Unification schemes of active galactic nuclei (AGN) account for a variety of observational differences in terms of viewing geometry. However, our recent work...

We have been testing at laboratory commercial variable attenuators commonly used in telecommunication applications for their used in astronomy. Such variable...

Evolutionary tracks are of key importance for the understanding of star formation. Unfortunately, tracks published by various groups differ so that it is...

We present new deep VLT color-magnitude diagrams of three intermediate-age populous star clusters in the LMC. These data will be used independently by the...