BD+44_1910

taken from 2 paper(s):

/J.A.Rich and A. M. Boesgaard(2009)/ /A.M.Boesgaard et al.(2011)/


J.A.Rich et al.,ApJ, 701, 1519, 2009(ADS)

BERYLLIUM, OXYGEN, AND IRON ABUNDANCES IN EXTREMELY METAL-DEFICIENT STARS


Stellar Parameters

Teff : 5878 log g : 3.56

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
Be IIN/A......-1.11+-0.12-2.49+-0.120.15+-0.12-1.11+-0.12Be II
OHN/A-1.96+-0.15......-1.78+-0.150.86+-0.156.91+-0.15OH
FeN/A-2.64+-0.08......-2.64+-0.08...4.86+-0.08Fe

Position

Right Ascension : 09 49 30.64 Declination : +44 17 19.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-01-16 N/A KECKHIRES 48000 112 3600 N/A

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 : 5878+-100 log g : 3.56+-0.2 vturb : 1.5+-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...+0.11+-0.15-1.11+-0.12-2.49+-0.120.15+-0.15-1.11+-0.12Be
ON/A-1.96+-0.22+0.68+-0.24...-2.02+-0.220.62+-0.246.67+-0.22O
MgN/A-2.25+-0.07......-2.27+-0.070.37+-0.075.33+-0.07Mg
TiN/A-2.14+-0.09......-2.07+-0.090.57+-0.092.88+-0.09Ti
FeN/A-2.64+-0.09......-2.64+-0.09...4.86+-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
N/A KECKHIRES 42000 N/A N/A N/A