CS29528-041

taken from 2 paper(s):

/T.Sivarani et al.(2006)/ /S.M.Andrievsky et al.(2007)/

T.Sivarani et al.,AAP, 459, 125, 2006(ADS)

First stars X. The nature of three unevolved carbon-enhanced metal-poor stars


Stellar Parameters

Teff : 6150 log g : 4.00 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
LiN/A......1.71+-0.05-1.55+-0.051.75+-0.051.71+-0.05Li
CHN/A...+1.59+-0.156.70+-0.08-1.73+-0.081.57+-0.156.70+-0.08CH
CNN/A...+3.07+-0.137.57+-0.06-0.26+-0.063.04+-0.137.57+-0.06CN
NHN/A...+3.00+-0.157.50+-0.1-0.33+-0.12.97+-0.157.50+-0.1NH
ON/A...<+1.40+-0.10<6.77<-1.92<1.38+-0.10<6.77O
NaN/A...+1.20+-0.114.23+-0.05-2.01+-0.051.29+-0.114.23+-0.05Na
Mg IN/A...+0.40+-0.114.68+-0.01-2.92+-0.010.38+-0.114.68+-0.01Mg I
AlN/A...-0.85+-0.102.77-3.68-0.38+-0.102.77Al
Si IN/A...-0.20+-0.104.05-3.46-0.16+-0.104.05Si I
Ca IN/A...+0.40+-0.153.46+-0.03-2.88+-0.030.42+-0.153.46+-0.03Ca I
Sc IIN/A...+0.26+-0.150.13+-0.03-3.02+-0.030.28+-0.150.13+-0.03Sc II
Ti IN/A...+0.40+-0.152.32+-0.04-2.63+-0.040.67+-0.152.32+-0.04Ti I
Ti IIN/A...+0.40+-0.102.12+-0.007-2.83+-0.0070.47+-0.102.12+-0.007Ti II
V IN/A...+0.00+-0.150.70-3.230.07+-0.150.70V I
Cr IN/A...-0.17+-0.112.20+-0.01-3.44+-0.01-0.14+-0.112.20+-0.01Cr I
Mn IN/A...-0.50+-0.151.59+-0.07-3.84+-0.07-0.54+-0.151.59+-0.07Mn I
Fe IN/A...+0.00+-0.104.20+-0.002-3.30+-0.002+0.00+-0.104.20+-0.002Fe I
Fe IIN/A...+0.00+-0.104.20+-0.02-3.30+-0.02+0.00+-0.104.20+-0.02Fe II
Co IN/A...+0.00+-0.151.62+-0.04-3.37+-0.04-0.07+-0.151.62+-0.04Co I
Ni IN/A...+0.00+-0.122.95+-0.01-3.27+-0.010.03+-0.122.95+-0.01Ni I
Sr IIN/A...-0.20+-0.10-0.53-3.40-0.10+-0.10-0.53Sr II
Ba IIN/A...+0.97+-0.10-0.23-2.410.89+-0.10-0.23Ba II

Binary Parameters

Vrad -285.0

Position

Right Ascension : 02 29 25.25 Declination : -18 13 28.1 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-09-06 2452158.8486878 VLT 43000 50 5000 -285.1
2001-10-21 2452203.7220389 VLT 43000 33 3260 -285.4
2001-11-07 2452220.7338976 VLT 43000 37 3600 -285.0

S.M.Andrievsky et al.,AAP, 464, 1081, 2007(ADS)

NLTE determination of the sodium abundance in a homogeneous sample of extremely metal-poor stars


Stellar Parameters

Teff : 6170 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
NaN/A-2.40+0.663.85-2.390.673.85Na
FeN/A-3.06......-3.06...4.44Fe

Position

Right Ascension : 02 29 25.25 Declination : -18 13 28.1 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 VLT 43000 200 N/A N/A