HE0458-1346

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 : 6210 log g : 4.5 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......5.65+-0.31-1.95+-0.310.47+-0.315.65+-0.31Mg I
Al I2......4.06+-0.14-2.39+-0.140.03+-0.144.06+-0.14Al I
Si I1......5.43-2.080.345.43Si I
Ca I6......4.19+-0.17-2.15+-0.170.27+-0.174.19+-0.17Ca I
Sc II3......0.92+-0.05-2.23+-0.050.19+-0.050.92+-0.05Sc II
Ti I6......3.06+-0.18-1.89+-0.180.53+-0.183.06+-0.18Ti I
Ti II13......3.00+-0.11-1.95+-0.110.47+-0.113.00+-0.11Ti II
Cr I4......3.03+-0.08-2.61+-0.08-0.19+-0.083.03+-0.08Cr I
Mn I2......2.32+-0.22-3.11+-0.22-0.69+-0.222.32+-0.22Mn I
Fe I61......5.08+-0.18-2.42+-0.18...5.08+-0.18Fe I
Fe II7......5.04+-0.18-2.46+-0.18...5.04+-0.18Fe II
Co I4......3.01+-0.28-1.98+-0.280.44+-0.283.01+-0.28Co I
Ni I1......3.80-2.420.003.80Ni I
Sr II2......0.59+-0.10-2.28+-0.100.14+-0.100.59+-0.10Sr II
Ba II2......-0.19+-0.04-2.37+-0.040.05+-0.04-0.19+-0.04Ba II
Eu II1......<-0.51<-1.03<1.39<-0.51Eu II

Binary Parameters

Binarity Positive

Position

Right Ascension : 05 01 11.70 Declination : -13 42 40.0 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 95 4800 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 : 6210+-100 log g : 4.5+-0.25 vturb : 1.3+-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...0.34+-0.18...-2.01+-0.180.33+-0.185.59+-0.18Mg I
Al I2...-0.06+-0.14...-2.33+-0.140.01+-0.144.12+-0.14Al I
Si I1...0.17...-2.080.265.43Si I
Ca I6...0.15+-0.11...-2.12+-0.110.22+-0.114.22+-0.11Ca I
Sc II3...0.15+-0.05...-2.19+-0.050.15+-0.050.96+-0.05Sc II
Ti I5...0.32+-0.14...-1.93+-0.140.41+-0.143.02+-0.14Ti I
Ti II13...0.36+-0.11...-1.89+-0.110.45+-0.113.06+-0.11Ti II
Cr I4...-0.28+-0.08...-2.54+-0.08-0.20+-0.083.10+-0.08Cr I
Mn I2...-0.73+-0.16...-3.06+-0.16-0.72+-0.162.37+-0.16Mn I
Fe IN/A-2.29+-0.14......-2.34+-0.14...5.16+-0.14Fe I
Fe II7-2.35+-0.18-0.06+-0.18...-2.40+-0.18-0.06+-0.185.10+-0.18Fe II
Co I4...0.39+-0.28...-1.97+-0.280.37+-0.283.02+-0.28Co I
Ni I1...-0.16...-2.42-0.083.80Ni I
Sr II2...0.15+-0.05...-2.11+-0.050.23+-0.050.76+-0.05Sr II
Ba II1...0.06...-2.280.06-0.10Ba II
Eu II1...<1.28...<-1.02<1.32<-0.50Eu II

Binary Parameters

Vrad 359.4

Position

Right Ascension : 05 01 11.70 Declination : -13 42 40.0 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 70 4800 359.4