BD+20_2030: found in 2 paper(s).

Labels:

/E.Arnone et al.(2005)/ /A.Hosford et al.(2009)/

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A0075

Title Mg abundances in metal-poor halo stars as a tracer of early Galactic mixing
ADS E.Arnone et al.,AAP, 430, 507, 2005
Authors E. Arnone, S. G. Ryan, D. Argast, J. E. Norris, T. C. Beers

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A ANGLO 40000 >100 N/A N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Photometric data

V 11.20

Atmospheric data

Teff 6200
log g 3.9+-0.2
vturb 1.6+-0.2

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Mg I...-2.39+-0.060.29+-0.065.19+-0.06
Ca I...-2.23+-0.040.45+-0.044.13+-0.04
Ti I...-2.160.522.86
Cr I...-2.62+-0.040.06+-0.043.05+-0.04
Fe I...-2.68+-0.01...4.82+-0.01
Fe II...-2.68...4.82
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0169

Title Lithium abundances of halo dwarfs based on excitation temperature. I. Local thermodynamic equilibrium
ADS A.Hosford et al.,AAP, 493, 601, 2009
Authors A. Hosford, S. G. Ryan, A. E. GarciaPerez, J. E. Norris, K. A. Olive

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A N/A ANGLO 43000 95 N/A N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination 195124
Right Ascension 081313

Photometric data

V 11.20
B-V 0.40

Atmospheric data

Teff 6208+-104
log g 4.46+-0.14
vturb 1.00

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Li I...0.95+-0.0683.58+-0.0682.11+-0.068
Fe...-2.63...4.87
Fe I...-2.62...4.88
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)