SIMBAD references

2006A&A...450..825S - Astronomy and Astrophysics, volume 450, 825-831 (2006/5-1)

High resolution spectroscopy of stars with transiting planets. The cases of OGLE-TR-10, 56, 111, 113, and TrES-1.

SANTOS N.C., PONT F., MELO C., ISRAELIAN G., BOUCHY F., MAYOR M., MOUTOU C., QUELOZ D., UDRY S. and GUILLOT T.

Abstract (from CDS):

During the past years photometric surveys, later complemented by follow-up radial-velocity measurements, have revealed the presence of several new extra-solar transiting planets, in very short-period orbits. Many of the host stars are extremely faint (V∼16), making high-precision spectroscopic measurements challenging. We used the UVES spectrograph (VLT-UT2 telescope) to obtain high-resolution spectra of 5 stars hosting transiting planets, namely for OGLE-TR-10, 56, 111, 113, and TrES-1. The immediate objective is to derive accurate stellar parameters and chemical abundances. The stellar parameters were derived from an LTE analysis of a set of FeI and FeII lines. Complementing the spectroscopic information with photometric transit curves and radial-velocity data from the literature, we then refined the stellar and planetary radii and masses. The obtained data were also used to study the relation between the stellar metallicity and orbital period of the planets.

Abstract Copyright:

Journal keyword(s): stars: abundances - stars: fundamental parameters - planetary systems - planetary systems: formation

Status at CDS:  

Simbad objects: 20

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2020.04.09-10:19:14

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