HE1320+0038

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 : 6500 log g : 3.7 vturb : 1.9

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 I4......5.40+-0.19-2.20+-0.190.51+-0.195.40+-0.19Mg I
Al I2......3.70+-0.03-2.75+-0.03-0.04+-0.033.70+-0.03Al I
Si I1......4.77-2.74-0.034.77Si I
Ca I5......3.98+-0.12-2.36+-0.120.35+-0.123.98+-0.12Ca I
Sc II2......0.48+-0.02-2.67+-0.020.04+-0.020.48+-0.02Sc II
Ti I1......<2.98<-1.97<0.74<2.98Ti I
Ti II12......2.61+-0.05-2.34+-0.050.37+-0.052.61+-0.05Ti II
Cr I4......2.80+-0.07-2.84+-0.07-0.13+-0.072.80+-0.07Cr I
Mn I2......2.17+-0.14-3.26+-0.14-0.55+-0.142.17+-0.14Mn I
Fe I41......4.79+-0.15-2.71+-0.15...4.79+-0.15Fe I
Fe II7......4.83+-0.14-2.67+-0.14...4.83+-0.14Fe II
Co I2......2.62+-0.07-2.37+-0.070.34+-0.072.62+-0.07Co I
Ni I1......3.54-2.680.033.54Ni I
Sr II2......-0.42+-0.04-3.29+-0.04-0.58+-0.04-0.42+-0.04Sr II
Ba II2......-1.06+-0.25-3.24+-0.25-0.53+-0.25-1.06+-0.25Ba II
Eu II1......<-0.72<-1.24<1.47<-0.72Eu II

Position

Right Ascension : 13 22 35.30 Declination : +00 22 31.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2002-05 N/A KECKHIRES 45000 100 2700 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 : 6500+-100 log g : 3.7+-0.25 vturb : 1.9+-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 I4...0.41+-0.05...-2.31+-0.050.40+-0.055.29+-0.05Mg I
Al I2...-0.1+-0.03...-2.74+-0.03-0.03+-0.033.71+-0.03Al I
Si I1...-0.17...-2.79-0.084.72Si I
Ca I5...0.29+-0.12...-2.35+-0.120.36+-0.123.99+-0.12Ca I
Sc II2...0.05+-0.02...-2.66+-0.020.05+-0.020.49+-0.02Sc II
Ti I1...<0.65...<-1.97<0.74<2.98Ti I
Ti II12...0.28+-0.05...-2.34+-0.050.37+-0.052.61+-0.05Ti II
Cr I4...-0.21+-0.07...-2.84+-0.07-0.13+-0.072.80+-0.07Cr I
Mn I2...-0.55+-0.14...-3.25+-0.14-0.54+-0.142.18+-0.14Mn I
Fe IN/A-2.66+-0.14......-2.71+-0.14...4.79+-0.14Fe I
Fe II7-2.62+-0.140.04+-0.14...-2.67+-0.140.04+-0.144.83+-0.14Fe II
Co I2...0.36+-0.07...-2.37+-0.070.34+-0.072.62+-0.07Co I
Ni I1...-0.05...-2.680.033.54Ni I
Sr II2...-0.66+-0.04...-3.29+-0.04-0.58+-0.04-0.42+-0.04Sr II
Ba II1...-0.69...-3.40-0.69-1.22Ba II
Eu II1...<1.43...<-1.24<1.47<-0.72Eu II

Binary Parameters

Vrad 22

Position

Right Ascension : 13 22 35.30 Declination : +00 22 31.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2002-05 N/A KECKHIRES 36000 80 4100 22