HE1029-0546

taken from 1 paper(s):

/T.Hansen et al.(2015)/

T.Hansen et al.,ApJ, 807, 173, 2015(ADS)

An Elemental Assay of Very, Extremely, and Ultra-metal-poor Stars


Stellar Parameters

Teff : 6650+-100 log g : 4.3+-0.3 vturb : 1.6+-0.3

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......<+2.00<-1.26<2.02<+2.00Li
CN/A...+2.64+-0.20...-0.64+-0.202.64+-0.207.79+-0.20C
NN/A...+2.90+-0.27...-0.38+-0.272.90+-0.277.45+-0.27N
ON/A...<+3.70...<0.42<3.70<9.11O
MgN/A...-0.03+-0.17...-3.31+-0.17-0.03+-0.174.29+-0.17Mg
AlN/A...<-0.42...<-3.70<-0.42<2.75Al
SiN/A...-0.03+-0.18...-3.31+-0.18-0.03+-0.184.20+-0.18Si
CaN/A...+0.16+-0.20...-3.12+-0.200.16+-0.203.22+-0.20Ca
ScN/A...+0.33+-0.21...-2.95+-0.210.33+-0.210.20+-0.21Sc
TiN/A...+0.45+-0.20...-2.83+-0.200.45+-0.202.12+-0.20Ti
VN/A...<+1.20...<-2.08<1.20<1.85V
CrN/A...-0.08+-0.18...-3.36+-0.18-0.08+-0.182.28+-0.18Cr
MnN/A...-0.14+-0.24...-3.42+-0.24-0.14+-0.242.01+-0.24Mn
FeN/A-3.28+-0.20......-3.28+-0.20...4.22+-0.20Fe
CoN/A...+0.90+-0.25...-2.38+-0.250.90+-0.252.61+-0.25Co
NiN/A...+0.34+-0.17...-2.94+-0.170.34+-0.173.28+-0.17Ni
ZnN/A...<+1.60...<-1.68<1.60<2.88Zn
SrN/A...+0.07+-0.24...-3.21+-0.240.07+-0.24-0.34+-0.24Sr
YN/A...<+1.05...<-2.23<1.05<-0.02Y
ZrN/A...<+1.70...<-1.58<1.70<1.00Zr
BaN/A...+0.80+-0.17...-2.48+-0.170.80+-0.17-0.30+-0.17Ba
CeN/A...<+2.70...<-0.58<2.70<1.00Ce
NdN/A...<+2.46...<-0.82<2.46<0.60Nd
EuN/A...<+2.50...<-0.78<2.50<-0.26Eu
PbN/A...+3.34+-0.23...0.06+-0.233.34+-0.232.10+-0.23Pb

Isotopic Ratio

12C/13C 9

Binary Parameters

Vrad 18.6+-0.3

Position

Right Ascension : 10 31 48.11 Declination : -06 01 43.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2006-04-17 N/A VLT 45000 10-45 3950 18.6+-0.3
2006-04-18 N/A VLT 45000 N/A 7200 N/A