HE2357-0701

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 : 5142+-100 log g : 2.4+-0.25 vturb : 1.8+-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...0.26...-2.750.475.68CH
NH1...0.87...-2.201.025.63NH
Na I2...-0.1+-0.17...-3.19+-0.170.03+-0.173.05+-0.17Na I
Mg I3...0.12+-0.12...-3.11+-0.120.11+-0.124.49+-0.12Mg I
Al I1...-0.04...-3.190.033.26Al I
Si I1...0.25...-2.880.344.63Si I
Ca I3...-0.06+-0.01...-3.21+-0.010.01+-0.013.13+-0.01Ca I
Sc II3...-0.18+-0.01...-3.40+-0.01-0.18+-0.01-0.25+-0.01Sc II
Ti I2...0.1+-0.01...-3.03+-0.010.19+-0.011.92+-0.01Ti I
Ti II12...-0.04+-0.09...-3.17+-0.090.05+-0.091.78+-0.09Ti II
V II1...0.3...-2.800.421.13V II
Cr I4...-0.61+-0.04...-3.75+-0.04-0.53+-0.041.89+-0.04Cr I
Mn I2...-0.75+-0.06...-3.96+-0.06-0.74+-0.061.47+-0.06Mn I
Mn II2...-0.34+-0.08...-3.55+-0.08-0.33+-0.081.88+-0.08Mn II
Fe IN/A-3.17+-0.15......-3.22+-0.15...4.28+-0.15Fe I
Fe II8-3.2+-0.14-0.03+-0.14...-3.25+-0.14-0.03+-0.144.25+-0.14Fe II
Co I4...0.29+-0.18...-2.95+-0.180.27+-0.182.04+-0.18Co I
Ni I2...-0.04+-0.07...-3.18+-0.070.04+-0.073.04+-0.07Ni I
Cu I1...-0.99...-4.14-0.920.05Cu I
Zn I1...<0.55...<-2.58<0.64<1.98Zn I
Sr II1...-1.05...-4.19-0.97-1.32Sr II
Ba II1...-1.34...-4.56-1.34-2.38Ba II
Eu II3...<0.88+-0.17...<-2.30+-0.17<0.92+-0.17<-1.78+-0.17Eu II

Binary Parameters

Vrad -82.9

Position

Right Ascension : 00 00 04.50 Declination : -06 45 07.0 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 90 7200 -82.9