BD+25_1981

taken from 1 paper(s):

/A.M.Boesgaard(2007)/


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

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


Stellar Parameters

Teff : 6811+-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......<1.75<-1.51<-0.25<1.75Li
BeN/A......-0.90-2.28-1.02-0.90Be
FeN/A-1.26+-0.10......-1.26+-0.10...6.24+-0.10Fe

Position

Right Ascension : 08 44 24.69 Declination : +24 47 47.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004-11-07 N/A KECKHIRES 46000 170 30 N/A
2005-01-31 N/A KECKHIRES 46000 160 30 N/A