HE0251-3216

taken from 1 paper(s):

/J.G.Cohen et al.(2013)/


J.G.Cohen et al.,ApJ, 778, 56, 2013(ADS)

Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] <-2


Stellar Parameters

Teff : 5750+-100 log g : 3.7+-0.25 vturb : 1.6+-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
CHN/A...2.32...-0.672.537.76CH
Na I2...0.84+-0.12...-2.23+-0.120.97+-0.124.01+-0.12Na I
Mg I4...0.62+-0.07...-2.59+-0.070.61+-0.075.01+-0.07Mg I
Al I1...-0.02...-3.150.053.30Al I
Si I1...-0.69...-3.80-0.603.71Si I
Ca I3...0.34+-0.21...-2.79+-0.210.41+-0.213.55+-0.21Ca I
Ti I1...0.66...-2.450.752.50Ti I
Ti II7...0.31+-0.2...-2.80+-0.20.40+-0.22.15+-0.2Ti II
Cr I2...-0.13+-0.08...-3.25+-0.08-0.05+-0.082.39+-0.08Cr I
Mn I2...-0.51+-0.04...-3.70+-0.04-0.50+-0.041.73+-0.04Mn I
Fe IN/A-3.15+-0.13......-3.20+-0.13...4.30+-0.13Fe I
Fe II2-3.24+-0.04-0.09+-0.04...-3.29+-0.04-0.09+-0.044.21+-0.04Fe II
Zn I1...1.04...-2.071.132.49Zn I
Y II1...1.33...-1.791.410.42Y II
Ba II4...1.28+-0.11...-1.92+-0.111.28+-0.110.26+-0.11Ba II

Binary Parameters

Vrad 94.9

Position

Right Ascension : 02 53 05.30 Declination : -32 04 21.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2010-10 N/A KECKHIRES 36000 90 1200 94.9