SDSSJ082118+181931

taken from 1 paper(s):

/P.Bonifacio et al.(2012)/

P.Bonifacio et al.,AAP, 542, A87, 2012(ADS)

Chemical abundances of distant extremely metal-poor unevolved stars


Stellar Parameters

Teff : 6158 log g : 4.00 vturb : 1.50

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......<1.71<-1.55<2.23<1.71Li
Mg2...+0.24+-0.17...-3.58+-0.170.20+-0.174.02+-0.17Mg
FeN/A-3.80......-3.78...3.72Fe
Fe I5-3.80+-0.17......-3.78+-0.17...3.72+-0.17Fe I

Binary Parameters

Vrad +162.6

Position

Right Ascension : 08 21 18.18 Declination : +18 19 31.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2454584.48949 VLT 68000 N/A 3599.997 N/A
2454584.489571 VLT 68000 N/A 3600.001 N/A
2454585.507509 VLT 55000 N/A 3599.997 N/A
2454585.507553 VLT 55000 N/A 3600.001 N/A