HE0025-2334

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 : 6168+-100 log g : 3.8+-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
Mg I3...0.18+-0.08...-2.68+-0.080.17+-0.084.92+-0.08Mg I
Al I2...0.36+-0.05...-2.42+-0.050.43+-0.054.03+-0.05Al I
Si I1...-0.23...-2.99-0.144.52Si I
Ca I4...0.14+-0.08...-2.64+-0.080.21+-0.083.70+-0.08Ca I
Sc II3...0.01+-0.21...-2.84+-0.210.01+-0.210.31+-0.21Sc II
Ti II12...0.15+-0.09...-2.61+-0.090.24+-0.092.34+-0.09Ti II
Cr I3...-0.33+-0.13...-3.10+-0.13-0.25+-0.132.54+-0.13Cr I
Mn I2...-0.84+-0.16...-3.68+-0.16-0.83+-0.161.75+-0.16Mn I
Fe IN/A-2.8+-0.14......-2.85+-0.14...4.65+-0.14Fe I
Fe II7-2.68+-0.160.12+-0.16...-2.73+-0.160.12+-0.164.77+-0.16Fe II
Co I3...0.33+-0.09...-2.54+-0.090.31+-0.092.45+-0.09Co I
Ni I1...-0.08...-2.85-0.003.37Ni I
Sr II2...0.03+-0.03...-2.74+-0.030.11+-0.030.13+-0.03Sr II
Ba II1...0.35...-2.500.35-0.32Ba II
Eu II3...<1.18...<-1.63<1.22<-1.11Eu II

Binary Parameters

Vrad 12.7

Position

Right Ascension : 00 28 29.20 Declination : -23 17 57.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-09 N/A KECKHIRES 36000 100 7200 12.7