HE1045+0226

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 : 5077+-100 log g : 2.2+-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...0.97...-1.071.187.36CH
Na I2...0.83+-0.05...-1.29+-0.050.96+-0.054.95+-0.05Na I
Mg I4...0.28+-0.09...-1.98+-0.090.27+-0.095.62+-0.09Mg I
Si I4...0.36+-0.17...-1.80+-0.170.45+-0.175.71+-0.17Si I
K I1...0.37...-1.740.513.29K I
Ca I11...0.15+-0.16...-2.03+-0.160.22+-0.164.31+-0.16Ca I
Sc II4...0.09+-0.05...-2.16+-0.050.09+-0.050.99+-0.05Sc II
Ti I9...0.25+-0.1...-1.91+-0.10.34+-0.13.04+-0.1Ti I
Ti II5...0.34+-0.13...-1.82+-0.130.43+-0.133.13+-0.13Ti II
Cr I2...-0.13+-0.01...-2.30+-0.01-0.05+-0.013.34+-0.01Cr I
Mn I2...-0.24+-0.28...-2.48+-0.28-0.23+-0.282.95+-0.28Mn I
Fe IN/A-2.2+-0.16......-2.25+-0.16...5.25+-0.16Fe I
Fe II7-2.17+-0.170.03+-0.17...-2.22+-0.170.03+-0.175.28+-0.17Fe II
Ni I2...0.09+-0.06...-2.08+-0.060.17+-0.064.14+-0.06Ni I
Y II3...1.21+-0.25...-0.96+-0.251.29+-0.251.25+-0.25Y II
Zr II1...1.45...-0.731.521.85Zr II
Ba II5...1.24+-0.1...-1.01+-0.11.24+-0.11.17+-0.1Ba II
La II3...0.83+-0.17...-1.33+-0.170.92+-0.17-0.23+-0.17La II
Pr II1...1.1...-1.111.14-0.39Pr II
Nd II4...0.72+-0.32...-1.40+-0.320.85+-0.320.02+-0.32Nd II
Eu II1...0.23...-1.980.27-1.46Eu II

Binary Parameters

Vrad 131.2

Position

Right Ascension : 10 48 03.40 Declination : +02 10 47.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2010-2 N/A KECKHIRES 36000 85 1200 131.2