HE1456+0230

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 : 5664+-100 log g : 2.2+-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...2.14...-1.022.357.41CH
NH1...2.84...-0.382.997.45NH
Na I2...0.17+-0.03...-3.07+-0.030.30+-0.033.17+-0.03Na I
Mg I4...0.3+-0.08...-3.08+-0.080.29+-0.084.52+-0.08Mg I
Al I1...-0.16...-3.46-0.092.99Al I
Si I1...0.45...-2.830.544.68Si I
Ca I2...0.39+-0.26...-2.91+-0.260.46+-0.263.43+-0.26Ca I
Ca II1...0.46...-2.840.533.50Ca II
Sc II1...0.07...-3.300.07-0.15Sc II
Ti II12...0.22+-0.12...-3.06+-0.120.31+-0.121.89+-0.12Ti II
Cr I5...-0.22+-0.12...-3.51+-0.12-0.14+-0.122.13+-0.12Cr I
Mn I2...-0.6+-0.19...-3.96+-0.19-0.59+-0.191.47+-0.19Mn I
Mn II3...-0.2+-0.27...-3.56+-0.27-0.19+-0.271.87+-0.27Mn II
Fe IN/A-3.32+-0.15......-3.37+-0.15...4.13+-0.15Fe I
Fe II6-3.12+-0.440.2+-0.44...-3.17+-0.440.2+-0.444.33+-0.44Fe II
Co I2...0.74+-0.12...-2.65+-0.120.72+-0.122.34+-0.12Co I
Ni I2...0.07+-0.11...-3.22+-0.110.15+-0.113.00+-0.11Ni I
Sr II1...-0.32...-3.61-0.24-0.74Sr II
Y II1...-0.23...-3.52-0.15-1.31Y II
Ba II1...-0.19...-3.56-0.19-1.38Ba II

Binary Parameters

Vrad 188

Position

Right Ascension : 14 59 22.60 Declination : +02 18 16.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2005-04 N/A KECKHIRES 36000 85 6000 188