1 Hungarian Academy of Sciences, Research Group for Physical Geodesy and Geodynamics, Budapest, Hungary 2 FÖMI Satellite Geodetic Observatory, Budapest, Hungary 3 Max-Planck-Institute für Radioastronomie, Bonn, Germany 4 Urumqi Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Urumqi 830011, PR China 5 National Astronomical Observatories, Chinese Academy of Sciences...

M. Gierliński, A. A. Zdziarski, P. S. Coppi, J. Poutanen, K. Ebisawa and W. N. Johnson Jagiellonian University, Astronomical Observatory, Orla 171, 30-244 Kraków, Poland Copernicus Astronomical Center, Bartycka 18, 00-716 Warszawa, Poland Astronomy Department, Yale University, P.O. Box 208101, New Haven, CT 062520-8101, USA Uppsala Observatory, Box 515, 75120 Uppsala, Sweden NASA/Goddard Space ...

We have created a new semantic tool called AstroConcepts, providing definitions of astronomical concepts present on Web pages. This tool is a Google Chrome plug-in that interrogates the Etymological Dictionary of Astronomy and Astrophysics, developed at Paris Observatory. Thanks to this tool, if one selects an astronomical concept on a web page, a popup window will display the definition of the...

Astronomical & Astrophysical Transactions The Journal of the Eurasian Astronomical Society Publication details, including instructions for authors and subscription information: http://www.informaworld.com/smpp/title~content=t713453505 Flux density evolution of the sources 3C273, 3C279 and 3C454.3 at the frequencies 102 MHz-36.8 GHz A. E. Volvach a; L. N. Volvach a; M. G. Larionov b; H. D. Aller...