J/A+A/533/A141 Stellar parameters for 582 HARPS FGK stars (Sousa+, 2011)
Spectroscopic stellar parameters for 582 FGK stars in the HARPS volume limited
sample. Revising the metallicity-planet correlation.
Sousa S.G., Santos N.C., Israelian G., Mayor M., Udry S.
<Astron. Astrophys. 533, A141 (2011)>
=2011A&A...533A.141S 2011A&A...533A.141S
ADC_Keywords: Stars, fundamental ; Planets ; Spectroscopy ; Abundances, [Fe/H]
Keywords: stars: fundamental parameters - planetary systems -
stars: abundances - stars: statistics
Abstract:
To understand the formation and evolution of solar-type stars and
planets in the solar neighborhood, we need to obtain their stellar
parameters with high precision. We present a catalog of precise
stellar parameters for low-activity FGK single stars in a
volume-limited sample followed by the HARPS spectrograph in the quest
to identify extra-solar planets. The spectroscopic analysis was
completed assuming LTE with a grid of Kurucz atmosphere models and
using the ARES code to perform an automatic measurement of the line
equivalent widths. The results are compared with different independent
methods and also with other values found in the literature for common
stars. Both comparisons are consistent and illustrate the homogeneity
of the parameters derived by our team. The derived metallicities of
this sample reveal a somewhat different distribution for the present
planet hosts, but still indicates the already known higher frequency
of planets observed for the more metal-rich stars. We combine the
results derived in this sample with the one from the CORALIE survey to
present the largest homogeneous spectroscopic study of the
metallicity-giant-planet relation using a total of 1830 stars.
Description:
Table 1 Stellar parameters and respective errors derived for the
volume limited sample.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 127 582 Stellar parameters for the metal poor sample
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See also:
II/180 : uvby-beta photometry of metal-poor stars (Schuster+ 1989)
J/A+A/314/191 : Metal-poor stars atmospheric parameters. I (Gratton+, 1996)
J/A+A/350/955 : Metal-poor stars atmospheric parameters. II (Gratton+, 1999)
J/A+A/356/238 : Metal-poor stars atmospheric parameters. III (Carretta+ 2000)
J/MNRAS/325/931 : Metal-poor subdwarfs in the Hipparcos catalog (Reid+, 2001)
J/ApJ/697/544 : Planets orbiting metal-poor dwarfs. II. (Sozzetti+, 2009)
J/A+A/512/A47 : 3 stars with giant planets radial velocities (Santos+, 2010)
J/A+A/526/A99 : Metal-poor solar-type stars spectros. & masses (Sousa+, 2011)
J/A+A/526/A112 : Radial velocities of HARPS metal-poor sample (Santos+, 2011)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 9 A9 --- Name Star's identifier
11- 14 I4 K Teff Effective Temperature
16- 18 I3 K e_Teff Error on Teff (precision error)
20- 22 I3 K E_Teff Error on Teff (includes systematics error)
24- 27 F4.2 [cm/s2] logg Surface gravity
29- 32 F4.2 [cm/s2] e_logg Error on logg (precision error)
34- 37 F4.2 [cm/s2] E_logg Error on logg (includes systematics error)
39- 42 F4.2 km/s Vtur Turbulence speed ξ
44- 47 F4.2 km/s e_Vtur Error on Vtur
49- 53 F5.2 --- [Fe/H] Iron abundance [Fe/H]
55- 58 F4.2 --- e_[Fe/H] Error on [Fe/H] (precision error)
60- 63 F4.2 --- E_[Fe/H] Error on [Fe/H] (includes systematics error)
65- 67 I3 --- N1 Number of FeI lines used
69- 70 I2 --- N2 Number of FeII lines used
72- 77 F6.4 Msun M1 Estimation of the stellar mass using
Hipparcos parallax
79- 85 F7.5 Msun e_M1 Error on M1
87- 91 F5.3 Msun M2 Estimation of the stellar mass using
Padova Web interface
93- 97 F5.3 Msun e_M2 Error on M2
99-103 F5.2 mas plx Hipparcos parallax
105-108 F4.2 mas e_plx Error on Hipparcos parallax
110-116 F7.4 [Lsun] logL Luminosity (log scale)
118-123 F6.4 [Lsun] e_logL Error in luminosity (in log scale)
125-127 A3 --- pl? [yes/no ] "yes" or "no" for planet detected
or not
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Acknowledgements:
Sergio G. Sousa, sousasag(at)astro.up.pt
(End) Sergio Sousa [CAUP-Porto, Portugal], Patricia Vannier [CDS] 26-Aug-2011