BD+51_1817

taken from 2 paper(s):

/A.M.Boesgaard(2007)/ /S.G.Ryan et al.(2001)/

A.M.Boesgaard et al.,ApJ, 667, 1196, 2007(ADS)

Beryllium in Ultra-Lithium-Deficient Halo Stars:The Blue Straggler Connection


Stellar Parameters

Teff : 6345+-40 log g : 4.00+-0.40 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
LiN/A......<1.64<-1.62<-0.52<1.64Li
BeN/A......<-1.5<-2.88<-1.78<-1.5Be
FeN/A-1.10+-0.10......-1.10+-0.10...6.40+-0.10Fe

Position

Right Ascension : 13 08 39.10 Declination : +51 03 59.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2005-01-31 N/A KECKHIRES 46000 128 85 N/A

S.G.Ryan et al.,ApJ, 549, 55, 2001(ADS)

Abundances and Evolution of Lithium in the Galactic Halo and Disk


Stellar Parameters

Teff : 6345+-55

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
Li IN/A......<1.64+-0.04<-1.62+-0.04<-0.52+-0.04<1.64+-0.04Li I
FeN/A-1.10......-1.10...6.40Fe

Position

Right Ascension : 13 08 39.10 Declination : +51 03 59.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1997-08-23 N/A WHTUES 50000 83 N/A N/A