A0293

Bibliography Data

Title Carbon-enhanced metal-poor stars: the most pristine objects?
ADS M.Spite et al.,AAP, 552, A107, 2013
Authors M. Spite, E. Caffau, P. Bonifacio, F. Spite, H. -G. Ludwig, B. Plez, N. Christlieb

List of objects

Object Comment S O
SDSSJ1114+1828 N/A S O
SDSSJ1143+2020 N/A S O
SDSSJ2209-0028 N/A S O

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

SDSSJ1114+1828

Atmospheric data

Teff : 6200 log g : 4.0 vturb : 1.3

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-0.103.258.4
CN...-1.162.196.7
Ti...-3.040.311.86
Fe I...-3.35...4.17
Fe II...-3.34...4.18
Co...-2.520.832.4
Ni...-3.270.072.96
Eu...<-1.62<1.73<-1.10
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C >60

Binarity

Binarity Positive
Vrad 219+-1

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2011-5-04 4855657.167 VLT 39000 50-100 N/A 219.4+-1
2011-5-24 4855706.969 VLT 39000 50-100 N/A 219.6+-1
2011-5-25 4855707.005 VLT 39000 50-100 N/A 219.2+-1
2011-5-25 4855707.042 VLT 39000 50-100 N/A 219.5+-1
2011-6-03 4855716.041 VLT 39000 50-100 N/A 219+-1
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

Photometric data


SDSSJ1143+2020

Atmospheric data

Teff : 6240 log g : 4.0 vturb : 1.3

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-0.402.758.1
CN...-0.682.477.18
Ti...-2.870.282.03
Fe I...-3.15...4.37
Fe II...-3.28-0.134.24
Co...-2.660.492.26
Ni...-3.25-0.102.98
Eu...<-1.52<1.63<-1.00
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C >20

Binarity

Binarity Positive
Vrad 228.6+-1

Basic Informations

Observation Date 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
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

Photometric data


SDSSJ2209-0028

Atmospheric data

Teff : 6440 log g : 4.0 vturb : 1.3

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-1.402.567.1
Fe I...-3.96...3.56
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Binarity

Vrad 221.1+-2

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2011-6-03 4855716.247 VLT 39000 17-48 N/A -223.4+-1
2011-7-28 4855771.355 VLT 39000 17-48 N/A -223.6+-1
2011-8-03 4855777.142 VLT 39000 17-48 N/A -222.5+-1
2011-8-03 4855777.178 VLT 39000 17-48 N/A -222.3+-1
2011-8-03 4855777.215 VLT 39000 17-48 N/A -222.4+-1
2011-8-03 4855777.252 VLT 39000 17-48 N/A -223.2+-1
2011-8-03 4855777.29 VLT 39000 17-48 N/A -223.3+-1
2011-8-03 4855777.327 VLT 39000 17-48 N/A -223.4+-1
2011-8-05 4855779.331 VLT 39000 17-48 N/A -222.6+-1
2011-8-25 4855799.141 VLT 39000 17-48 N/A -221.1+-2
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

Photometric data