HE0508-1555

taken from 2 paper(s):

/J.G.Cohen et al.(2004)/ /J.G.Cohen et al.(2013)/

J.G.Cohen et al.,ApJ, 612, 1107, 2004(ADS)

Abundances In Very Metal-Poor Dwarf Stars


Stellar Parameters

Teff : 6365 log g : 4.4 vturb : 1.6

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 I5......5.70+-0.28-1.90+-0.280.53+-0.285.70+-0.28Mg I
Al I2......3.91+-0.09-2.54+-0.09-0.11+-0.093.91+-0.09Al I
Si I1......5.23-2.280.155.23Si I
Ca I7......4.22+-0.11-2.12+-0.110.31+-0.114.22+-0.11Ca I
Sc II3......1.02+-0.03-2.13+-0.030.30+-0.031.02+-0.03Sc II
Ti I5......3.23+-0.14-1.72+-0.140.71+-0.143.23+-0.14Ti I
Ti II15......3.08+-0.10-1.87+-0.100.56+-0.103.08+-0.10Ti II
Cr I4......2.99+-0.04-2.65+-0.04-0.22+-0.042.99+-0.04Cr I
Mn I2......2.35+-0.05-3.08+-0.05-0.65+-0.052.35+-0.05Mn I
Fe I60......5.07+-0.17-2.43+-0.17...5.07+-0.17Fe I
Fe II6......5.13+-0.17-2.37+-0.17...5.13+-0.17Fe II
Co I2......2.92+-0.11-2.07+-0.110.36+-0.112.92+-0.11Co I
Ni I1......3.83-2.390.043.83Ni I
Sr II2......0.75+-0.04-2.12+-0.040.31+-0.040.75+-0.04Sr II
Ba II2......-0.35+-0.01-2.53+-0.01-0.10+-0.01-0.35+-0.01Ba II
Eu II1......<-0.40<-0.92<1.51<-0.40Eu II

Position

Right Ascension : 05 10 35.40 Declination : -15 51 39.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2002-09 N/A KECKHIRES 34000 100 6000 N/A

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 : 6365+-100 log g : 4.4+-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 I5...0.4+-0.22...-2.09+-0.220.39+-0.225.51+-0.22Mg I
Al I2...-0.24+-0.05...-2.65+-0.05-0.17+-0.053.80+-0.05Al I
Si I1...-0.01...-2.400.085.11Si I
Ca I7...0.21+-0.09...-2.20+-0.090.28+-0.094.14+-0.09Ca I
Sc II3...0.31+-0.02...-2.17+-0.020.31+-0.020.98+-0.02Sc II
Ti I5...0.59+-0.13...-1.80+-0.130.68+-0.133.15+-0.13Ti I
Ti II15...0.5+-0.11...-1.89+-0.110.59+-0.113.06+-0.11Ti II
Cr I4...-0.3+-0.03...-2.70+-0.03-0.22+-0.032.94+-0.03Cr I
Mn I2...-0.68+-0.03...-3.15+-0.03-0.67+-0.032.28+-0.03Mn I
Fe IN/A-2.43+-0.12......-2.48+-0.12...5.02+-0.12Fe I
Fe II6-2.35+-0.160.08+-0.16...-2.40+-0.160.08+-0.165.10+-0.16Fe II
Co I2...0.36+-0.09...-2.14+-0.090.34+-0.092.85+-0.09Co I
Ni I1...-0.02...-2.420.063.80Ni I
Sr II2...0.31+-0.05...-2.09+-0.050.39+-0.050.78+-0.05Sr II
Ba II1...-0.1...-2.58-0.10-0.40Ba II
Eu II1...<1.47...<-0.97<1.51<-0.45Eu II

Binary Parameters

Vrad 88.5

Position

Right Ascension : 05 10 35.40 Declination : -15 51 39.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2002-09 N/A KECKHIRES 36000 80 6000 88.5