G24-25

taken from 3 paper(s):

/A.M.Boesgaard et al.(2011)/ /P.E.Nissen and W. J. Schuster(2010)/ /P. E. Nissen and W. J. Schuster(2011)/


A.M.Boesgaard et al.,ApJ, 743, 140, 2011(ADS)

Beryllium and Alpha-element Abundances in a Large Sample of Metal-poor Stars


Stellar Parameters

Teff : 5752+-100 log g : 3.69+-0.2 vturb : 1.43+-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
BeN/A...-0.59+-0.15-0.73+-0.12-2.11+-0.12-0.55+-0.15-0.73+-0.12Be
ON/A-0.98+-0.22+0.58+-0.24...-1.04+-0.220.52+-0.247.65+-0.22O
MgN/A-1.22+-0.07......-1.24+-0.070.32+-0.076.36+-0.07Mg
TiN/A-1.33+-0.09......-1.26+-0.090.30+-0.093.69+-0.09Ti
FeN/A-1.56+-0.09......-1.56+-0.09...5.94+-0.09Fe

Position

Right Ascension : Declination : Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2010-07-04 N/A KECKHIRES 42000 56 900 N/A

P.E.Nissen et al.,AAP, 511, L10, 2010(ADS)

Two distinct halo populations in the solar neighborhood. Evidence from stellar abundance ratios and kinematics


Stellar Parameters

Teff : 5828 log g : 3.86 vturb : 1.2

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
NaN/A...-0.03...-1.340.064.90Na
MgN/A...0.34...-1.080.326.52Mg
SiN/A...0.41...-0.950.456.56Si
CaN/A...0.32...-1.060.345.28Ca
TiN/A...0.31...-1.020.383.93Ti
CrN/A...-0.04...-1.41-0.014.23Cr
FeN/A-1.40......-1.40...6.10Fe

Position

Right Ascension : 20 40 16.10 Declination : +00 33 19.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-05-21-0312 N/A FIESNOT 40000 160 N/A -312.9

P. E. Nissen et al.,AAP, 530, A15, 2011(ADS)

Two distinct halo populations in the solar neighborhood II. Evidence from stellar abundances of Mn, Cu, Zn, Y, and Ba


Stellar Parameters

Teff : 5828 log g : 3.86

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
MnN/A...-0.37...-1.81-0.413.62Mn
FeN/A-1.4......-1.40...6.10Fe
ZnN/A...0.22...-1.140.263.42Zn
YN/A...0.82...-0.550.851.66Y
BaN/A...1.45...0.001.402.18Ba

Position

Right Ascension : 20 40 16.10 Declination : +00 33 19.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-05-21-0312 N/A FIESNOT 40000 160 N/A -312.9