Spectroscopic [Fe/H] for 98 extra-solar planet-host stars-Exploring the probability of planet formation

NC Santos, G Israelian, M Mayor - Astronomy & Astrophysics, 2004 - aanda.org
We present stellar parameters and metallicities, obtained from a detailed spectroscopic
analysis, for a large sample of 98 stars known to be orbited by planetary mass companions …

Spectroscopic metallicities for planet-host stars: Extending the samples

NC Santos, G Israelian, M Mayor, JP Bento… - Astronomy & …, 2005 - aanda.org
We present stellar parameters and metallicities for 29 planet-host stars, as well as for a large
volume-limited sample of 53 stars not known to be orbited by any planetary-mass …

Statistical properties of exoplanets-II. Metallicity, orbital parameters, and space velocities

NC Santos, G Israelian, M Mayor, R Rebolo… - Astronomy & …, 2003 - aanda.org
In this article we present a detailed spectroscopic analysis of more than 50 extra-solar planet
host stars. Stellar atmospheric parameters and metallicities are derived using high …

The abundance distribution of stars with planets

JC Bond, CG Tinney, RP Butler… - Monthly Notices of …, 2006 - academic.oup.com
We present the results of a uniform, high-precision spectroscopic metallicity study of 136 G-
type stars from the Anglo-Australian Planet Search, 20 of which are known to harbour …

Spectroscopic characterization of a sample of metal-poor solar-type stars from the HARPS planet search program-Precise spectroscopic parameters and mass …

SG Sousa, NC Santos, G Israelian, C Lovis… - Astronomy & …, 2011 - aanda.org
Stellar metallicity strongly correlates with the presence of planets and their properties. To
check for new correlations between stars and the existence of an orbiting planet, we …

Stellar parameters and metallicities of stars hosting Jovian and Neptunian mass planets: a possible dependence of planetary mass on metallicity

L Ghezzi, K Cunha, VV Smith… - The Astrophysical …, 2010 - iopscience.iop.org
The metal content of planet-hosting stars is an important ingredient that may affect the
formation and evolution of planetary systems. Accurate stellar abundances require the …

The metal-rich nature of stars with planets

NC Santos, G Israelian, M Mayor - Astronomy & Astrophysics, 2001 - aanda.org
With the goal of confirming the metallicity" excess" present in stars with planetary-mass
companions, we present in this paper a high-precision spectroscopic study of a sample of …

Chemical analysis of 8 recently discovered extra-solar planet host stars

NC Santos, G Israelian, M Mayor - arXiv preprint astro-ph/0009182, 2000 - arxiv.org
We present the chemical analysis of a new set of stars known to harbor low mass
companions, namely HD 1237, HD 52265, HD 82943, HD 83443, HD 169830, and HD …

Spectroscopic parameters for 451 stars in the harps gto planet search program-stellar [fe/h] and the frequency of exo-neptunes

SG Sousa, NC Santos, M Mayor, S Udry… - Astronomy & …, 2008 - aanda.org
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 …

Mining the metal-rich stars for planets

G Laughlin - The Astrophysical Journal, 2000 - iopscience.iop.org
We examine the correlation between stellar metallicity and the presence of short-period
planets. It appears that approximately 1% of dwarf stars in the solar neighborhood harbor …