Spectroscopic parameters for 451 stars in the HARPS GTO planet search program. Stellar [Fe/H] and the frequency of exo-Neptunes

Sousa, S; Santos, N C; Mayor, M; Udry, S; Casagrande, Luca; Israelian, G; Pepe, F; Queloz, D; Monteiro, M J P F G

Spectroscopic parameters for 451 stars in the HARPS GTO planet search program. Stellar [Fe/H] and the frequency of exo-Neptunes

Date

2008

Authors

Sousa, S

Santos, N C

Mayor, M

Udry, S

Casagrande, Luca

Israelian, G

Pepe, F

Queloz, D

Monteiro, M J P F G

Publisher

Springer

Abstract

To understand the formation and evolution of solar-type stars in the solar neighborhood, we need to measure their stellar parameters to high accuracy. We present a catalogue of accurate stellar parameters for 451 stars that represent the HARPS Guaranteed