activity
20092025
most citedChemical abundances of 1111 FGK stars from the HARPS GTO planet search program.Galactic stellar populations and planets

585 citations · 4.3k across the 74 of their papers we have counts for

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Showing 2015Show all

5 papers · 1 filter

astro-ph.SR2015★ 19 cited

NIR spectroscopy of the Sun and HD20010 - Compiling a new linelist in the NIR

D. T. Andreasen, S. G. Sousa, E. Delgado Mena +4

Context: Effective temperature, surface gravity, and metallicity are basic spectroscopic stellar parameters necessary to characterize a star or a planetary system. Reliable atmosph…

astro-ph.SR2015★ 53 cited

Homogeneous spectroscopic parameters for bright planet host stars from the northern hemisphere

S. G. Sousa, N. C. Santos, A. Mortier +6

Aims. In this work we derive new precise and homogeneous parameters for 37 stars with planets. For this purpose, we analyze high resolution spectra obtained by the NARVAL spectrogr…

astro-ph.SR2015★ 102 cited

Oxygen abundances in G- and F-type stars from HARPS

S. Bertran de Lis, E. Delgado Mena, V. Zh. Adibekyan +2

We present a detailed and uniform study of oxygen abundance from two different oxygen lines at 6158 and 6300 in a large sample of solar-type stars. The results are used to ch…

astro-ph.SR2015★ 49 cited

Gaia-ESO Survey: The analysis of pre-main sequence stellar spectra

A. C. Lanzafame, A. Frasca, F. Damiani +70

This paper describes the analysis of UVES and GIRAFFE spectra acquired by the Gaia-ESO Public Spectroscopic Survey in the fields of young clusters whose population includes pre-mai…

astro-ph.SR2015★ 1 cited

Solar analogs with and without planets: T trends and galactic evolution

V. Zh. Adibekyan, J. I. Gonzalez Hernandez, E. Delgado Mena +4

We explore a sample of 148 solar-like stars to search for a possible correlation between the slopes of the abundance trends versus condensation temperature (known as the Tc slope)…