HE1357-0123

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 : 4600+-100 log g : 1.05+-0.25 vturb : 2.1+-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...-0.29...-3.93-0.084.50CH
Na I2...0.48+-0.13...-3.24+-0.130.61+-0.133.00+-0.13Na I
Mg I3...0.56+-0.12...-3.30+-0.120.55+-0.124.30+-0.12Mg I
Al I2...-0.16+-0.04...-3.94+-0.04-0.09+-0.042.51+-0.04Al I
Si I1...0.38...-3.380.474.13Si I
K I1...<1.01...<-2.70<1.15<2.33K I
Ca I6...0.32+-0.16...-3.46+-0.160.39+-0.162.88+-0.16Ca I
Sc II4...0.19+-0.22...-3.66+-0.220.19+-0.22-0.51+-0.22Sc II
Ti I4...0.23+-0.22...-3.53+-0.220.32+-0.221.42+-0.22Ti I
Ti II14...0.08+-0.08...-3.68+-0.080.17+-0.081.27+-0.08Ti II
Cr I5...-0.59+-0.15...-4.36+-0.15-0.51+-0.151.28+-0.15Cr I
Mn I2...-1.11+-0.03...-4.95+-0.03-1.10+-0.030.48+-0.03Mn I
Fe IN/A-3.8+-0.12......-3.85+-0.12...3.65+-0.12Fe I
Fe IIN/A-3.8+-0.13......-3.85+-0.13...3.65+-0.13Fe II
Co I4...0.21+-0.17...-3.66+-0.170.19+-0.171.33+-0.17Co I
Ni I2...-0.15+-0.33...-3.92+-0.33-0.07+-0.332.30+-0.33Ni I
Zn I1...<0.91...<-2.85<1.00<1.71Zn I
Sr II2...-2.46+-0.28...-6.23+-0.28-2.38+-0.28-3.36+-0.28Sr II
Ba II1...<-1.69...<-5.54<-1.69<-3.36Ba II
Eu II1...<0.57...<-3.24<0.61<-2.72Eu II

Binary Parameters

Vrad -232.5

Position

Right Ascension : 14 00 01.10 Declination : -01 38 08.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004-05 N/A KECKHIRES 36000 90 4800 -232.5