HE2156-3130

taken from 2 paper(s):

/P.S.Barklem et al.(2005)/ /L.Zhang et al.(2011)/

P.S.Barklem et al.,AAP, 439, 129, 2005(ADS)

The Hamburg/ESO R-process enhanced star survey (HERES). II. Spectroscopic analysis of the survey sample


Stellar Parameters

Teff : 4692 log g : 1.28 vturb : 1.93

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...0.74+-0.296.00+-0.27-2.43+-0.270.70+-0.296.00+-0.27CH
Mg I5...0.77+-0.245.22+-0.19-2.38+-0.190.75+-0.245.22+-0.19Mg I
Al I1...-0.07+-0.273.27+-0.25-3.18+-0.25-0.05+-0.273.27+-0.25Al I
Ca I4...0.31+-0.253.53+-0.20-2.81+-0.200.32+-0.253.53+-0.20Ca I
Sc II3...0.39+-0.250.42+-0.24-2.73+-0.240.40+-0.250.42+-0.24Sc II
Ti10...0.16+-0.222.05+-0.20-2.90+-0.200.23+-0.222.05+-0.20Ti
Cr I1...-0.37+-0.262.17+-0.26-3.47+-0.26-0.34+-0.262.17+-0.26Cr I
Mn I2...-0.55+-0.261.71+-0.23-3.72+-0.23-0.59+-0.261.71+-0.23Mn I
Fe34...0.00+-0.224.37+-0.18-3.13+-0.180.00+-0.224.37+-0.18Fe
Co I3...0.26+-0.242.04+-0.22-2.95+-0.220.18+-0.242.04+-0.22Co I
Ni I4...-0.21+-0.262.91+-0.26-3.31+-0.26-0.18+-0.262.91+-0.26Ni I
Sr2...-0.89+-0.29-1.06+-0.30-3.93+-0.30-0.80+-0.29-1.06+-0.30Sr
Y II1...-0.90+-0.25-1.79+-0.24-4.00+-0.24-0.87+-0.25-1.79+-0.24Y II
Ba II1...0.52+-0.29-0.48+-0.31-2.66+-0.310.47+-0.29-0.48+-0.31Ba II
La II1...0.32+-0.24-1.64+-0.22-2.74+-0.220.39+-0.24-1.64+-0.22La II

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 20000 60 N/A 269.8

L.Zhang et al.,AAP, 528, A92, 2011(ADS)

The Hamburg/ESO R-process Enhanced Star survey (HERES). VI. The Galactic chemical evolution of silicon


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
CN/A-2.540.595.98-2.450.685.98C
FeN/A-3.13......-3.13...4.37Fe

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 20000 N/A N/A N/A