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astro-ph2008
N in turn-off stars of NGC 6397 and NGC 6752
L. Pasquini, A. Ecuvillon, P. Bonifacio +1
We measure the nitrogen abundance in 5 Turn Off(TO) stars of the Globular Clusters NGC 6397 and NGC 6752, and compare the cluster abundances with those of field stars of comparable…
astro-ph2005
Abundance ratios of volatile vs. refractory elements: hints of pollutions?
A. Ecuvillon, G. Israelian, N. C. Santos +2
We present the abundance ratios [X/H] of a large set of chemical species with condensation temperatures from 75 to 1600 K in an almost complete set of 105 planet-host stars and in…