A0261

Bibliography Data

Title An extremely primitive star in the Galactic halo
ADS E.Caffau et al.,Nature, 477, 67, 2011
Authors E. Caffau, P. Bonifacio, P. Francois, L. Sbordone, L. Monaco, M. Spite, F. Spite, N/A. Ludwig,Hans-G, R. Cayrel, S. Zaggia, F. Hammer, S. Randich, P. Molaro, V. Hill

Milky Way

List of objects (1 stars)

S: Find this object in SIMBAD
O: Find this object in Other papers

Name Comment SIMBAD Object
SDSS J102915+172927 N/A S O

SDSSJ102915+172927

Stellar Parameters

Teff : 5811 log g : 4.0+-0.2 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......<1.1<-2.16<2.55<1.1Li
CN/A<-3.8......<-3.73<0.98<4.70C
NN/A<-4.1......<-4.07<0.64<3.76N
Mg I4-4.68+-0.08......-4.74+-0.08-0.03+-0.082.86+-0.08Mg I
Si I1-4.27+-0.10......-4.26+-0.100.45+-0.103.25+-0.10Si I
Ca I1-4.72+-0.10......-4.73+-0.10-0.02+-0.101.61+-0.10Ca I
Ca II3-4.71+-0.11......-4.72+-0.11-0.01+-0.111.62+-0.11Ca II
Ti II6-4.75+-0.11......-4.80+-0.11-0.09+-0.110.15+-0.11Ti II
Fe I44-4.73+-0.13......-4.71+-0.13...2.79+-0.13Fe I
Ni I10-4.55+-0.14......-4.54+-0.140.17+-0.141.68+-0.14Ni I
Sr II1<-5.1......<-5.05<-0.34<-2.18Sr II

Position

Right Ascension : 10 29 15.15 Declination : +17 29 28.0 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 VLTXSH N/A N/A N/A -34.5+-1.0