BD+17_1524

taken from 1 paper(s):

/R.G.Gratton et al.(2003)/


R.G.Gratton et al.,AAP, 404, 187, 2003(ADS)

Abundances for metal-poor stars with accurate parallaxes I. Basic data


Stellar Parameters

Teff : 5079 log g : 4.3 vturb : 0.3

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
O IN/A...0.37+-0.069...0.00+-0.0690.45+-0.0698.69+-0.069O I
Na IN/A...0.14+-0.054...-0.33+-0.0540.12+-0.0545.91+-0.054Na I
Mg IN/A...0.37+-0.055...-0.24+-0.0550.21+-0.0557.36+-0.055Mg I
Si IN/A...0.16+-0.048...-0.26+-0.0480.19+-0.0487.25+-0.048Si I
Ca IN/A...0.15+-0.033...-0.36+-0.0330.09+-0.0335.98+-0.033Ca I
Ti IN/A...0.21+-0.03...-0.11+-0.030.34+-0.034.84+-0.03Ti I
Ti IIN/A...0.23+-0.048...-0.09+-0.0480.36+-0.0484.86+-0.048Ti II
Fe IN/A-0.44+-0.051......-0.45+-0.051...7.05+-0.051Fe I
Fe IIN/A-0.39+-0.066......-0.40+-0.066...7.10+-0.066Fe II

Binary Parameters

Binarity Positive

Position

Right Ascension : 07 13 17.40 Declination : +17 26 02.0 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 KECKNIRSPEC 50000 >100 N/A -3.7