Ministerio de Economía y Competitividad Gobierno de Canarias Universidad de La Laguna CSIC Centro de Excelencia Severo Ochoa

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· More scientific highlights from this year.

OBSERVATIONAL TESTS OF THE PROCESSES OF NUCLEOSYNTHESIS IN THE UNIVERSE.

Author/s: 1.- Sousa, Santos, Israelian, et al. 2.- Ecuvillon, Israelian, Pont et al.

Reference: 1.- 2007, A new code for automatic determination of equivalent widths: Automatic Routine for line Equivalent widths in stellar Spectra (ARES). A&A, 469, 783. 2.- 2007, Kinematics of planet-host stars and their relation to dynamical streams in the solar neighbourhood. A&A, 461, 171.

The sample of metal rich stars with and without planets has been extended in 2007 and the stellar parameters and metallicities have been obtained. The first study of kinematics of planet host stars has been completed. Our new results confirm the metal rich nature of stars with planets.

The observed abundances  in  XTE J1118+480 together with kinematical characteristics allowed us to conclude that the compact object has formed in a supernova explosion. This system has travelled far from its original location and is currently located in the Galactic halo.

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