HD104056

taken from 2 paper(s):

/T.Gehren et al.(2006)/ /A.M.Boesgaard et al.(2011)/


T.Gehren et al.,AAP, 451, 1065, 2006(ADS)

Na, Mg and Al abundances as a population discriminant for nearby metal-poor stars


Stellar Parameters

Teff : 5875 log g : 4.31+-0.13 vturb : 1.3

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
Na I6...0.13...-0.190.216.05Na I
Mg I7...0.09...-0.340.067.26Mg I
Al I6...-0.02...-0.41-0.016.04Al I
FeN/A-0.41......-0.40...7.10Fe

Position

Right Ascension : 11 59 03.02 Declination : -04 46 37.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A FOCES 40000 200 5400 N/A

A.M.Boesgaard et al.,ApJ, 743, 140, 2011(ADS)

Beryllium and Alpha-element Abundances in a Large Sample of Metal-poor Stars


Stellar Parameters

Teff : 6085+-100 log g : 4.43+-0.2 vturb : 1.50+-0.2

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
BeN/A...-0.32+-0.15+0.44+-0.12-0.94+-0.12-0.28+-0.15+0.44+-0.12Be
ON/A-0.34+-0.22+0.32+-0.24...-0.40+-0.220.26+-0.248.29+-0.22O
MgN/A-0.14+-0.07......-0.16+-0.070.50+-0.077.44+-0.07Mg
TiN/A-0.37+-0.09......-0.30+-0.090.36+-0.094.65+-0.09Ti
FeN/A-0.66+-0.09......-0.66+-0.09...6.84+-0.09Fe

Position

Right Ascension : Declination : Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2006-01-02 N/A KECKHIRES 42000 139 720 N/A