HE0447-1858

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 : 5570+-100 log g : 3.5+-0.25 vturb : 1.4+-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...0.17...-2.230.386.20CH
NH1...<-1.12...<-3.58<-0.97<4.25NH
Na I2...-0.4+-0.14...-2.88+-0.14-0.27+-0.143.36+-0.14Na I
Mg I7...0.24+-0.16...-2.38+-0.160.23+-0.165.22+-0.16Mg I
Al I1...-0.55...-3.09-0.483.36Al I
Si I1...0.24...-2.280.335.23Si I
Ca I12...0.27+-0.14...-2.27+-0.140.34+-0.144.07+-0.14Ca I
Ca II1...0.66...-1.880.734.46Ca II
Sc II6...0.29+-0.08...-2.32+-0.080.29+-0.080.83+-0.08Sc II
Ti I12...0.19+-0.13...-2.33+-0.130.28+-0.132.62+-0.13Ti I
Ti II16...0.21+-0.1...-2.31+-0.10.30+-0.12.64+-0.1Ti II
V I2...0.19+-0.02...-2.30+-0.020.31+-0.021.63+-0.02V I
Cr I12...-0.2+-0.19...-2.73+-0.19-0.12+-0.192.91+-0.19Cr I
Mn I3...-0.63+-0.14...-3.23+-0.14-0.62+-0.142.20+-0.14Mn I
Mn II3...-0.4+-0.1...-3.00+-0.1-0.39+-0.12.43+-0.1Mn II
Fe IN/A-2.56+-0.13......-2.61+-0.13...4.89+-0.13Fe I
Fe II15-2.54+-0.180.02+-0.18...-2.59+-0.180.02+-0.184.91+-0.18Fe II
Co I4...0.31+-0.2...-2.32+-0.20.29+-0.22.67+-0.2Co I
Ni I3...-0.14+-0.06...-2.67+-0.06-0.06+-0.063.55+-0.06Ni I
Cu I2...-0.9+-0.04...-3.44+-0.04-0.83+-0.040.75+-0.04Cu I
Zn I1...0.05...-2.470.142.09Zn I
Sr II1...-1.31...-3.84-1.23-0.97Sr II
Y II1...<-0.88...<-3.41<-0.80<-1.20Y II
Ba II1...<-1.61...<-4.22<-1.61<-2.04Ba II

Binary Parameters

Vrad 118.2

Position

Right Ascension : 04 49 41.40 Declination : -18 53 19.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004-10 N/A KECKHIRES 36000 75 2400 118.2