LP553-62

taken from 2 paper(s):

/J.A.Rich and A. M. Boesgaard(2009)/ /A.MerchantBoesgaard 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 : 6128 log g : 3.93

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
Be IIN/A......-1+-0.11-2.38+-0.110.35+-0.11-1+-0.11Be II
OHN/A-2.02+-0.14......-1.84+-0.140.89+-0.146.85+-0.14OH
FeN/A-2.73+-0.08......-2.73+-0.08...4.77+-0.08Fe

Position

Right Ascension : 11 54 25.63 Declination : +02 57 47.5 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 97 5400 N/A

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

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


Stellar Parameters

Teff : 6128 log g : 3.93 vturb : 1.5

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...+0.31-1.00-2.38+0.31-1.00Be
ON/A-2.02+0.71...-2.08+0.716.61O

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