HE2141-0726

taken from 2 paper(s):

/J.E.Norris et al.(2013)/ /D.Yong et al.(2013)/


J.E.Norris et al.,ApJ, 762, 25, 2013(ADS)

The Most Metal-poor Stars. I. Discovery, Data, and Atmospheric Parameters


Stellar Parameters

Teff : 6551+-18 log g : 4.4

Position

Right Ascension : 21 44 06.60 Declination : -07 12 49.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2007-11 2454436.746 KECKHIRES 48000 100 -38.1 N/A
2007-11 2454436.761 KECKHIRES 48000 100 -38.2 N/A

D.Yong et al.,ApJ, 762, 26, 2013(ADS)

THE MOST METAL-POOR STARS. II. CHEMICAL ABUNDANCES OF 190 METAL-POOR STARS INCLUDING 10 NEW STARS WITH [Fe/H] <-3.


Stellar Parameters

Teff : 6551 log g : 4.26 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...<1.55<7.26<-1.17<1.55<7.26C
Na2...-0.36+-0.163.16+-0.16-3.08+-0.16-0.36+-0.163.16+-0.16Na
Mg4...0.06+-0.14.93+-0.1-2.67+-0.10.05+-0.14.93+-0.1Mg
Al2...-0.87+-0.162.86+-0.16-3.59+-0.16-0.87+-0.162.86+-0.16Al
Si1...-0.054.74-2.77-0.054.74Si
Ca3...0.16+-0.143.78+-0.14-2.56+-0.140.16+-0.143.78+-0.14Ca
Sc1...0.070.5-2.650.070.5Sc
Cr4...-0.08+-0.122.84+-0.12-2.80+-0.12-0.08+-0.122.84+-0.12Cr
Mn1...-0.542.17-3.26-0.542.17Mn
Fe I53-2.72+-0.11...4.78+-0.11-2.72+-0.11...4.78+-0.11Fe I
Fe II4-2.53+-0.15...4.97+-0.15-2.53+-0.15...4.97+-0.15Fe II
Ni2...0.17+-0.253.67+-0.25-2.55+-0.250.17+-0.253.67+-0.25Ni
Sr2...-0.57+-0.19-0.42+-0.19-3.29+-0.19-0.57+-0.19-0.42+-0.19Sr
Ba1...<-0.37<-0.91<-3.09<-0.37<-0.91Ba

Position

Right Ascension : 21 44 06.60 Declination : -07 12 49.0 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 N/A N/A N/A N/A