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

Milky Way

List of objects (3 stars)

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

Name Comment SIMBAD Object
SDSS J1114+1828 N/A S O
SDSS J1143+2020 N/A S O
SDSS J2209-0028 N/A S O

SDSSJ1114+1828

Stellar Parameters

Teff : 6200 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-0.103.258.4-0.033.308.4CH
CNN/A-1.162.196.7-1.132.206.7CN
Ti11-3.040.311.86-3.090.241.86Ti
Fe I36-3.35...4.17-3.33...4.17Fe I
Fe II3-3.34...4.18-3.32...4.18Fe II
Co3-2.520.832.4-2.590.742.4Co
Ni2-3.270.072.96-3.260.072.96Ni
Eu1<-1.62<1.73<-1.10<-1.62<1.71<-1.10Eu

Isotopic Ratio

12C/13C >60

Binary Parameters

Binarity Positive
Vrad 219+-1

Position

Right Ascension : 11 14 07.10 Declination : +18 28 32.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation 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


SDSSJ1143+2020

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


SDSSJ2209-0028

Stellar Parameters

Teff : 6440 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-1.402.567.1-1.332.617.1CH
Fe I6-3.96...3.56-3.94...3.56Fe I

Binary Parameters

Vrad 221.1+-2

Position

Right Ascension : 22 09 24.74 Declination : -00 28 59.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation 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