HE2158-0348

taken from 2 paper(s):

/J.G.Cohen et al.(2006)/ /J.G.Cohen et al.(2013)/


J.G.Cohen et al.,AJ, 132, 137, 2006(ADS)

Carbon Stars in the Hamburg/ESO Survey: Abundances


Stellar Parameters

Teff : 5215 log g : 2.5 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
CH1...1.877.76-0.672.087.76CH
CN1...1.526.75-1.081.676.75CN
Mg I3...0.68+-0.185.52+-0.18-2.08+-0.180.67+-0.185.52+-0.18Mg I
Al I1...0.474.24-2.210.544.24Al I
Ca I2...0.82+-0.054.48+-0.05-1.86+-0.050.89+-0.054.48+-0.05Ca I
Ti I6...0.43+-0.242.72+-0.24-2.23+-0.240.52+-0.242.72+-0.24Ti I
Ti II8...0.65+-0.282.94+-0.28-2.01+-0.280.74+-0.282.94+-0.28Ti II
Cr I1...-0.662.31-3.33-0.582.31Cr I
Mn I2...-0.19+-0.012.50+-0.01-2.93+-0.01-0.18+-0.012.50+-0.01Mn I
Fe I28-2.70+-0.26...4.75+-0.26-2.75+-0.26...4.75+-0.26Fe I
Fe II8...-0.03+-0.124.72+-0.12-2.78+-0.12-0.03+-0.124.72+-0.12Fe II
Co I1...-0.062.16-2.83-0.082.16Co I
Sr II1...0.520.72-2.150.600.72Sr II
Y II3...0.87+-0.190.41+-0.19-1.80+-0.190.95+-0.190.41+-0.19Y II
Zr II2...1.74+-0.321.64+-0.32-0.94+-0.321.81+-0.321.64+-0.32Zr II
Ba II2...1.59+-0.151.02+-0.15-1.16+-0.151.59+-0.151.02+-0.15Ba II
La II4...1.55+-0.210.00+-0.21-1.10+-0.211.65+-0.210.00+-0.21La II
Ce II5...1.89+-0.210.75+-0.21-0.83+-0.211.92+-0.210.75+-0.21Ce II
Nd II2...1.51+-0.230.31+-0.23-1.11+-0.231.64+-0.230.31+-0.23Nd II
Sm II1...<2.40<0.71<-0.25<2.50<0.71Sm II
Eu II2...0.80+-0.15-1.38+-0.15-1.90+-0.150.85+-0.15-1.38+-0.15Eu II
Pb I1...2.601.85-0.192.561.85Pb I

Binary Parameters

Vrad +67.6

Position

Right Ascension : 22 00 40.00 Declination : -03 34 12.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A KECKHIRES 34000 100 14400 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 : 5215+-100 log g : 2.5+-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
CHN/A...1.78...-0.721.997.71CH
NH1...1.48...-1.081.636.75NH
Na I2...0.79+-0.12...-1.79+-0.120.92+-0.124.45+-0.12Na I
Mg I3...0.66+-0.15...-2.06+-0.150.65+-0.155.54+-0.15Mg I
Al I1...0.28...-2.360.354.09Al I
K I1...0.3...-2.270.442.76K I
Ca I3...0.11+-0.1...-2.53+-0.10.18+-0.13.81+-0.1Ca I
Ti I6...0.42+-0.25...-2.20+-0.250.51+-0.252.75+-0.25Ti I
Ti II4...0.24+-0.29...-2.38+-0.290.33+-0.292.57+-0.29Ti II
Cr I2...-0.39+-0.18...-3.02+-0.18-0.31+-0.182.62+-0.18Cr I
Mn I2...-0.11+-0.03...-2.81+-0.03-0.10+-0.032.62+-0.03Mn I
Fe IN/A-2.66+-0.19......-2.71+-0.19...4.79+-0.19Fe I
Fe II8-2.69+-0.14-0.03+-0.14...-2.74+-0.14-0.03+-0.144.76+-0.14Fe II
Co I1...-0.12...-2.85-0.142.14Co I
Sr II1...0.55...-2.080.630.79Sr II
Y II3...0.91+-0.22...-1.72+-0.220.99+-0.220.49+-0.22Y II
Zr II2...1.84+-0.39...-0.80+-0.391.91+-0.391.78+-0.39Zr II
Ba II4...1.73+-0.17...-0.98+-0.171.73+-0.171.20+-0.17Ba II
La II4...1.43+-0.1...-1.19+-0.11.52+-0.1-0.09+-0.1La II
Ce II5...1.93+-0.25...-0.76+-0.251.95+-0.250.82+-0.25Ce II
Nd II2...1.54+-0.03...-1.04+-0.031.67+-0.030.38+-0.03Nd II
Sm II1...<2.47...<-0.15<2.56<0.81Sm II
Eu II2...0.75+-0.14...-1.92+-0.140.79+-0.14-1.40+-0.14Eu II
Pb I1...2.56...-0.192.521.85Pb I

Binary Parameters

Vrad 70.9

Position

Right Ascension : 22 00 40.00 Declination : -03 34 12.0 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 75 14400 67.6
2004-10 N/A MIKELCO 42000 57 3000 70.9