A0282

Bibliography Data

Title X-shooter GTO: evidence for a population of extremely metal-poor, alpha-poor stars
ADS E.Caffau et al.,AAP, 560, A15, 2013
Authors E. Caffau, P. Bonifacio, P. Francois, L. Sbordone, M. Spite, L. Monaco, B. Plez, F. Spite, S. Zaggia, H. -G. Ludwig, R. Cayrel, P. Molaro, S. Randich, F. Hammer, V. Hill

Milky Way

List of objects (4 stars)

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

Name Comment SIMBAD Object
SDSS J144256-001542 N/A S O
SDSS J153346+155701 N/A S O
SDSS J161956+170539 N/A S O
SDSS J174259+253135 N/A S O

SDSSJ144256-001542

Stellar Parameters

Teff : 5850 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
Mg1-3.82+-0.18......-3.84+-0.180.25+-0.183.76+-0.18Mg
Ca I1-3.80+-0.19......-3.78+-0.190.31+-0.192.56+-0.19Ca I
Ca II2-3.69+-0.08......-3.67+-0.080.42+-0.082.67+-0.08Ca II
FeN/A-4.09......-4.09...3.41Fe

Binary Parameters

Binarity Negative
Vrad 225

Position

Right Ascension : 14 42 56.37 Declination : -00 15 42.8 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 40 10890 225

SDSSJ153346+155701

Stellar Parameters

Teff : 6375 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
Mg3-3.28+-0.13......-3.30+-0.130.04+-0.134.30+-0.13Mg
Ca I1-3.26+-0.19......-3.24+-0.190.10+-0.193.10+-0.19Ca I
Ca II3-2.40+-0.24......-2.38+-0.240.96+-0.243.96+-0.24Ca II
FeN/A-3.34......-3.34...4.16Fe

Binary Parameters

Binarity Negative
Vrad 309

Position

Right Ascension : 15 33 46.28 Declination : +15 57 01.8 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 47 3690 309

SDSSJ161956+170539

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

SDSSJ174259+253135

Stellar Parameters

Teff : 6345 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......7.4-1.03...7.4C

Binary Parameters

Binarity Negative
Vrad -221+-11

Position

Right Ascension : 17 42 59.68 Declination : +25 31 35.9 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 20 28620 -221+-11