HE0143-0441

taken from 3 paper(s):

/J.G.Cohen et al.(2004)/ /J.G.Cohen et al.(2006)/ /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 : 6370 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
CH1......7.89-0.541.677.89CH
CN1......5.60-2.23-0.025.60CN
Mg I3......5.85+-0.17-1.75+-0.170.46+-0.175.85+-0.17Mg I
Al I1......4.06-2.39-0.184.06Al I
Si I1......5.20-2.31-0.105.20Si I
Ca I2......4.60+-0.17-1.74+-0.170.47+-0.174.60+-0.17Ca I
Sc II1......1.79-1.360.851.79Sc II
Ti I5......3.39+-0.26-1.56+-0.260.65+-0.263.39+-0.26Ti I
Ti II8......3.27+-0.16-1.68+-0.160.53+-0.163.27+-0.16Ti II
Cr I1......3.14-2.50-0.293.14Cr I
Mn I2......2.55+-0.22-2.88+-0.22-0.67+-0.222.55+-0.22Mn I
Fe I30......5.29+-0.21-2.21+-0.21...5.29+-0.21Fe I
Fe II5......5.24+-0.11-2.26+-0.11...5.24+-0.11Fe II
Co I1......3.27-1.720.493.27Co I
Ni I1......3.82-2.40-0.193.82Ni I
Zn I1......2.96-1.600.612.96Zn I
Sr II1......1.59-1.280.931.59Sr II
Y II2......0.87+-0.21-1.34+-0.210.87+-0.210.87+-0.21Y II
Zr II1......1.68-0.901.311.68Zr II
Ba II3......2.28+-0.180.10+-0.182.31+-0.182.28+-0.18Ba II
La II4......0.95+-0.14-0.15+-0.142.06+-0.140.95+-0.14La II
Ce II3......1.52+-0.21-0.06+-0.212.15+-0.211.52+-0.21Ce II
Nd II3......1.71+-0.200.29+-0.202.50+-0.201.71+-0.20Nd II
Eu II3......0.00+-0.17-0.52+-0.171.69+-0.170.00+-0.17Eu II
Pb I1......3.291.253.463.29Pb I

Isotopic Ratio

12C/13C 7.5+-1.5

Position

Right Ascension : 01 45 37.80 Declination : -04 26 43.0 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 80 9600 N/A

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

Carbon Stars in the Hamburg/ESO Survey: Abundances


Stellar Parameters

Teff : 6240 log g : 3.7 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...1.988.26-0.172.198.26CH
CN1...1.737.35-0.481.887.35CN
Mg I3...0.63+-0.085.86+-0.08-1.74+-0.080.62+-0.085.86+-0.08Mg I
Al I1...-0.223.94-2.51-0.153.94Al I
Ca I2...0.43+-0.174.48+-0.17-1.86+-0.170.50+-0.174.48+-0.17Ca I
Sc II1...0.671.46-1.690.671.46Sc II
Ti I5...0.54+-0.263.22+-0.26-1.73+-0.260.63+-0.263.22+-0.26Ti I
Ti II8...0.26+-0.162.94+-0.16-2.01+-0.160.35+-0.162.94+-0.16Ti II
Cr I1...-0.382.98-2.66-0.302.98Cr I
Mn I2...-0.72+-0.232.36+-0.23-3.07+-0.23-0.71+-0.232.36+-0.23Mn I
Fe I31-2.31+-0.18...5.14+-0.18-2.36+-0.18...5.14+-0.18Fe I
Fe II5...-0.22+-0.114.92+-0.11-2.58+-0.11-0.22+-0.114.92+-0.11Fe II
Co I1...0.473.08-1.910.453.08Co I
Ni I1...-0.313.63-2.59-0.233.63Ni I
Zn I1...0.462.76-1.800.562.76Zn I
Sr II1...0.861.45-1.420.941.45Sr II
Y II2...0.59+-0.210.52+-0.21-1.69+-0.210.67+-0.210.52+-0.21Y II
Zr II1...1.051.34-1.241.121.34Zr II
Ba II3...2.32+-0.122.14+-0.12-0.04+-0.122.32+-0.122.14+-0.12Ba II
La II4...1.78+-0.150.61+-0.15-0.49+-0.151.87+-0.150.61+-0.15La II
Ce II3...1.93+-0.211.17+-0.21-0.41+-0.211.95+-0.211.17+-0.21Ce II
Nd II3...2.17+-0.211.37+-0.21-0.05+-0.212.31+-0.211.37+-0.21Nd II
Eu II3...1.46+-0.17-0.34+-0.17-0.86+-0.171.50+-0.17-0.34+-0.17Eu II
Pb I1...3.112.750.713.072.75Pb I

Binary Parameters

Vrad +121.8

Position

Right Ascension : 01 45 37.80 Declination : -04 26 43.0 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 80 9600 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 : 6240+-100 log g : 3.7+-0.25 vturb : 1.6+-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...1.98...-0.172.198.26CH
NH1...1.73...-0.481.887.35NH
Mg I3...0.63+-0.08...-1.74+-0.080.62+-0.085.86+-0.08Mg I
Al I1...-0.22...-2.51-0.153.94Al I
Ca I2...0.43+-0.17...-1.86+-0.170.50+-0.174.48+-0.17Ca I
Sc II1...<0.67...<-1.69<0.67<1.46Sc II
Ti I5...0.54+-0.26...-1.73+-0.260.63+-0.263.22+-0.26Ti I
Ti II8...0.26+-0.16...-2.01+-0.160.35+-0.162.94+-0.16Ti II
Cr I1...-0.38...-2.66-0.302.98Cr I
Mn I2...-0.72+-0.23...-3.07+-0.23-0.71+-0.232.36+-0.23Mn I
Fe IN/A-2.31+-0.18......-2.36+-0.18...5.14+-0.18Fe I
Fe II5-2.53+-0.11-0.22+-0.11...-2.58+-0.11-0.22+-0.114.92+-0.11Fe II
Co I1...0.47...-1.910.453.08Co I
Ni I1...-0.31...-2.59-0.233.63Ni I
Zn I1...0.46...-1.810.552.75Zn I
Sr II1...0.59...-1.690.671.18Sr II
Y II2...0.59+-0.21...-1.69+-0.210.67+-0.210.52+-0.21Y II
Zr II1...1.05...-1.241.121.34Zr II
Ba II3...2.32+-0.12...-0.04+-0.122.32+-0.122.14+-0.12Ba II
La II4...1.78+-0.15...-0.49+-0.151.87+-0.150.61+-0.15La II
Ce II3...1.93+-0.21...-0.41+-0.211.95+-0.211.17+-0.21Ce II
Nd II3...1.99+-0.27...-0.24+-0.272.12+-0.271.18+-0.27Nd II
Eu II3...1.46+-0.17...-0.86+-0.171.50+-0.17-0.34+-0.17Eu II
Pb I1...3.11...0.713.072.75Pb I

Binary Parameters

Vrad 121.8

Position

Right Ascension : 01 45 37.80 Declination : -04 26 43.0 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 60 9600 121.8