HE1142-1422

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 : 6238+-80 log g : 2.8

Position

Right Ascension : 11 44 59.20 Declination : -14 38 49.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2007-6 2454273.499 MIKELCO 31000-39000 100 -102.5 N/A
2007-6 2454273.521 MIKELCO 31000-39000 100 -102 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 : 6238 log g : 2.8 vturb : 3.4

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...<1.57<7.16<-1.27<1.57<7.16C
NN/A...<2.51<7.50<-0.33<2.51<7.50N
Na2...-0.06+-0.153.34+-0.15-2.90+-0.15-0.06+-0.153.34+-0.15Na
Mg4...0.4+-0.125.16+-0.12-2.44+-0.120.40+-0.125.16+-0.12Mg
Al2...-0.57+-0.143.03+-0.14-3.42+-0.14-0.58+-0.143.03+-0.14Al
Si1...-0.124.55-2.96-0.124.55Si
Ca2...0.4+-0.153.89+-0.15-2.45+-0.150.39+-0.153.89+-0.15Ca
Sc2...0.22+-0.190.53+-0.19-2.62+-0.190.22+-0.190.53+-0.19Sc
Cr2...0.01+-0.142.8+-0.14-2.84+-0.140.00+-0.142.8+-0.14Cr
Mn3...-0.42+-0.132.17+-0.13-3.26+-0.13-0.42+-0.132.17+-0.13Mn
Fe I51-2.84+-0.1...4.66+-0.1-2.84+-0.1...4.66+-0.1Fe I
Fe II3-2.64+-0.15...4.86+-0.15-2.64+-0.15...4.86+-0.15Fe II
Ni1...0.123.5-2.720.123.5Ni
Sr2...0.48+-0.210.5+-0.21-2.37+-0.210.47+-0.210.5+-0.21Sr
Ba3...0.44+-0.15-0.23+-0.15-2.41+-0.150.43+-0.15-0.23+-0.15Ba

Position

Right Ascension : 11 44 59.20 Declination : -14 38 49.6 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