HE2155+0136

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 : 5331 log g : 3.22 vturb : 1.23

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...0.00+-0.276.32+-0.25-2.11+-0.25-0.04+-0.276.32+-0.25CH
Mg I5...0.22+-0.235.73+-0.18-1.87+-0.180.20+-0.235.73+-0.18Mg I
Al I1...-0.96+-0.273.44+-0.25-3.01+-0.25-0.94+-0.273.44+-0.25Al I
Ca I8...0.37+-0.244.66+-0.21-1.68+-0.210.39+-0.244.66+-0.21Ca I
Sc II4...-0.03+-0.281.07+-0.23-2.08+-0.23-0.01+-0.281.07+-0.23Sc II
Ti13...0.21+-0.263.16+-0.21-1.79+-0.210.28+-0.263.16+-0.21Ti
Cr I3...-0.08+-0.253.52+-0.26-2.12+-0.26-0.05+-0.253.52+-0.26Cr I
Mn I3...-0.32+-0.243.01+-0.20-2.42+-0.20-0.35+-0.243.01+-0.20Mn I
Fe52...0.00+-0.225.43+-0.19-2.07+-0.190.00+-0.225.43+-0.19Fe
Co I6...0.15+-0.263.00+-0.24-1.99+-0.240.08+-0.263.00+-0.24Co I
Ni I4...0.04+-0.284.22+-0.28-2.00+-0.280.07+-0.284.22+-0.28Ni I
Sr2...-0.13+-0.260.78+-0.24-2.09+-0.24-0.02+-0.260.78+-0.24Sr
Y II2...-0.22+-0.29-0.05+-0.24-2.26+-0.24-0.19+-0.29-0.05+-0.24Y II
Ba II1...0.13+-0.290.20+-0.28-1.98+-0.280.09+-0.290.20+-0.28Ba II
Eu II3...0.68+-0.29-0.87+-0.23-1.39+-0.230.68+-0.29-0.87+-0.23Eu II

Position

Right Ascension : 21 57 37.55 Declination : +01 50 20.2 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 VLT 20000 37 N/A -248.2

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-2.14-0.076.38-2.050.026.38C
FeN/A-2.07......-2.07...5.43Fe

Position

Right Ascension : 21 57 37.55 Declination : +01 50 20.2 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 VLT 20000 N/A N/A N/A