SDSSJ161956+170539

taken from 1 paper(s):

/E.Caffau et al.(2013)/

E.Caffau et al.,AAP, 560, A15, 2013(ADS)

X-shooter GTO: evidence for a population of extremely metal-poor, alpha-poor stars


Stellar Parameters

Teff : 6191 log g : 4.0 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
CN/A......7.2-1.232.347.2C
Mg4-3.53+-0.11......-3.55+-0.110.02+-0.114.05+-0.11Mg
Si1-3.88+0.19......-3.84+0.19-0.27+0.193.67+0.19Si
Ca I1-3.92+-0.19......-3.90+-0.19-0.33+-0.192.44+-0.19Ca I
Ca II2-3.20+-0.23......-3.18+-0.230.39+-0.233.16+-0.23Ca II
FeN/A-3.57......-3.57...3.93Fe

Binary Parameters

Binarity Negative
Vrad -324+-4

Position

Right Ascension : 16 19 56.33 Declination : +17 05 39.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2012-07-10 N/A VLTXSH 12000 46 9090 -324+-4