52972-1213-507

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 : 6463 log g : ULL

Position

Right Ascension : 09 18 49.90 Declination : +37 44 27.0 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 2454437.062 KECKHIRES 48000 100 -176.6 N/A
2007-11 2454437.077 KECKHIRES 48000 100 -177.3 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 : 6463 log g : 4.34 vturb : 1.2

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
CHN/A...2.828.26-0.172.818.26CH
Na2...1.6+-0.334.86+-0.33-1.38+-0.331.60+-0.334.86+-0.33Na
Mg3...0.34+-0.134.96+-0.13-2.64+-0.130.34+-0.134.96+-0.13Mg
Si1...<1.5<6.03<-1.48<1.50<6.03Si
Ca1...0.563.92-2.420.563.92Ca
Ti II5...0.38+-0.172.35+-0.17-2.60+-0.170.38+-0.172.35+-0.17Ti II
Cr1...-0.272.39-3.25-0.272.39Cr
Fe I29-2.98+-0.15...4.52+-0.15-2.98+-0.15...4.52+-0.15Fe I
Co1...0.652.66-2.330.652.66Co
Ni1...0.153.39-2.830.153.39Ni
Sr2...1.15+-0.191.05+-0.19-1.82+-0.191.16+-0.191.05+-0.19Sr
Ba4...1.7+-0.130.9+-0.13-1.28+-0.131.70+-0.130.9+-0.13Ba

Position

Right Ascension : 09 18 49.9 Declination : +37 44 26.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log