HE1150-0428

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 : 5200 log g : 2.55 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...2.377.66-0.772.587.66CH
CN1...2.527.15-0.682.677.15CN
Mg I2...0.34+-0.064.58+-0.06-3.02+-0.060.33+-0.064.58+-0.06Mg I
Ca I3...1.03+-0.044.09+-0.04-2.25+-0.041.10+-0.044.09+-0.04Ca I
Ti I5...0.49+-0.122.17+-0.12-2.78+-0.120.57+-0.122.17+-0.12Ti I
Ti II7...0.50+-0.452.19+-0.45-2.76+-0.450.59+-0.452.19+-0.45Ti II
Cr I1...-0.701.67-3.97-0.621.67Cr I
Fe I23-3.30+-0.26...4.15+-0.26-3.35+-0.26...4.15+-0.26Fe I
Fe II4...0.00+-0.094.15+-0.09-3.35+-0.090.00+-0.094.15+-0.09Fe II
Sr II1...-0.39-0.80-3.67-0.32-0.80Sr II
Y II1...<0.23<-0.83<-3.04<0.31<-0.83Y II
Ba II2...-0.61+-0.14-1.78+-0.14-3.96+-0.14-0.61+-0.14-1.78+-0.14Ba II
La II3...<1.16+-0.25<-1.00+-0.25<-2.10+-0.25<1.25+-0.25<-1.00+-0.25La II
Ce II3...<2.04+-0.65<0.29+-0.65<-1.29+-0.65<2.06+-0.65<0.29+-0.65Ce II
Nd II2...<1.59+-0.41<-0.21+-0.41<-1.63+-0.41<1.72+-0.41<-0.21+-0.41Nd II
Eu II1...<1.45<-1.34<-1.86<1.49<-1.34Eu II

Binary Parameters

Vrad +46.6

Position

Right Ascension : 11 53 06.60 Declination : -04 45 03.0 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 45000 70 2400 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 : 5200+-100 log g : 2.5+-0.25 vturb : 1.5+-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...2.28...-0.772.497.66CH
NH1...2.43...-0.642.627.19NH
Na I2...1.31+-0.01...-1.82+-0.011.44+-0.014.42+-0.01Na I
Mg I2...0.36+-0.04...-2.91+-0.040.35+-0.044.69+-0.04Mg I
Ca I1...0.29...-2.900.363.44Ca I
Ti I5...0.43+-0.13...-2.74+-0.130.52+-0.132.21+-0.13Ti I
Ti II7...0.54+-0.49...-2.63+-0.490.63+-0.492.32+-0.49Ti II
Cr I1...-0.75...-3.93-0.671.71Cr I
Fe IN/A-3.21+-0.25......-3.26+-0.25...4.24+-0.25Fe I
Fe II4-3.19+-0.090.02+-0.09...-3.24+-0.090.02+-0.094.26+-0.09Fe II
Sr II1...-0.28...-3.46-0.20-0.59Sr II
Y II1...<0.2...<-2.98<0.28<-0.77Y II
Ba II3...-0.44+-0.06...-3.70+-0.06-0.44+-0.06-1.52+-0.06Ba II
La II3...<1.12+-0.25...<-2.05+-0.25<1.21+-0.25<-0.95+-0.25La II
Ce II3...<2.03+-0.65...<-1.21+-0.65<2.05+-0.65<0.37+-0.65Ce II
Nd II2...<1.29+-0.39...<-1.84+-0.39<1.42+-0.39<-0.42+-0.39Nd II
Eu II1...<1.42...<-1.80<1.46<-1.28Eu II

Binary Parameters

Vrad 57

Position

Right Ascension : 11 53 06.60 Declination : -04 45 03.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004-05 N/A KECKHIRES 36000 65 2400 46.6
2011-06 N/A KECKHIRES 36000 80 1400 57