HE2249-1704

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 : 4592+-100 log g : 1.1+-0.25 vturb : 2.2+-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...-0.35...-3.14-0.145.29CH
Mg I4...0.22+-0.02...-2.79+-0.020.21+-0.024.81+-0.02Mg I
Al I1...-0.33...-3.26-0.263.19Al I
Si I1...0.24...-2.670.334.84Si I
Ca I6...-0.05+-0.08...-2.98+-0.080.02+-0.083.36+-0.08Ca I
Sc II4...0.18+-0.1...-2.82+-0.10.18+-0.10.33+-0.1Sc II
Ti I14...0.00+-0.10...-2.91+-0.100.09+-0.102.04+-0.10Ti I
Ti II20...0.2+-0.13...-2.71+-0.130.29+-0.132.24+-0.13Ti II
V I1...-0.21...-3.09-0.090.84V I
Cr I8...-0.45+-0.25...-3.37+-0.25-0.37+-0.252.27+-0.25Cr I
Mn I5...-0.74+-0.2...-3.73+-0.2-0.73+-0.21.70+-0.2Mn I
Fe IN/A-2.95+-0.18......-3.00+-0.18...4.50+-0.18Fe I
Fe II12-2.94+-0.120.01+-0.12...-2.99+-0.120.01+-0.124.51+-0.12Fe II
Co I4...0.12+-0.17...-2.90+-0.170.10+-0.172.09+-0.17Co I
Ni I3...-0.18+-0.11...-3.10+-0.11-0.10+-0.113.12+-0.11Ni I
Zn I1...0.14...-2.770.231.79Zn I
Sr II2...-2.15+-0.09...-5.07+-0.09-2.07+-0.09-2.20+-0.09Sr II
Zr II1...<0.13...<-2.80<0.20<-0.22Zr II
Ba II1...-1.92...-4.92-1.92-2.74Ba II
Ce II1...<0.47...<-2.51<0.49<-0.93Ce II
Eu II1...<-0.23...<-3.19<-0.19<-2.67Eu II
Pb I1...<1.46...<-1.58<1.42<0.46Pb I

Binary Parameters

Vrad -134.1

Position

Right Ascension : 22 51 49.70 Declination : -16 48 59.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2002-09 N/A KECKHIRES 36000 90 9600 -134.1