SDSSJ1143+2020

taken from 1 paper(s):

/M.Spite et al.(2013)/


M.Spite et al.,AAP, 552, A107, 2013(ADS)

Carbon-enhanced metal-poor stars: the most pristine objects?


Stellar Parameters

Teff : 6240 log g : 4.0 vturb : 1.3

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
CHN/A-0.402.758.1-0.332.808.1CH
CNN/A-0.682.477.18-0.652.487.18CN
Ti11-2.870.282.03-2.920.212.03Ti
Fe I40-3.15...4.37-3.13...4.37Fe I
Fe II3-3.28-0.134.24-3.26-0.134.24Fe II
Co3-2.660.492.26-2.730.402.26Co
Ni2-3.25-0.102.98-3.24-0.112.98Ni
Eu1<-1.52<1.63<-1.00<-1.52<1.61<-1.00Eu

Isotopic Ratio

12C/13C >20

Binary Parameters

Binarity Positive
Vrad 228.6+-1

Position

Right Ascension : 11 43 23.43 Declination : +20 20 58.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2011-12-30 4855926.314 VLT 39000 40-100 N/A 229.4+-1
2011-12-31 4855927.291 VLT 39000 40-100 N/A 229.2+-1
2011-6-22 4855716.081 VLT 39000 40-100 N/A 231.9+-1
2012-2-22 4855980.256 VLT 39000 40-100 N/A 229.8+-1
2012-3-22 4856009.121 VLT 39000 40-100 N/A 228.6+-1