HE2135-1924

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 : 6449+-43 log g : 4.4

Position

Right Ascension : 21 38 04.70 Declination : -19 11 04.0 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 2454436.715 KECKHIRES 48000 100 -251.8 N/A
2007-11 2454436.733 KECKHIRES 48000 100 -254 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 : 6449 log g : 4.37 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
CN/A...<1.74<6.86<-1.57<1.74<6.86C
Na2...-0.04+-0.372.89+-0.37-3.35+-0.37-0.04+-0.372.89+-0.37Na
Mg3...-0.05+-0.124.23+-0.12-3.37+-0.12-0.06+-0.124.23+-0.12Mg
Al2...-0.8+-0.152.34+-0.15-4.11+-0.15-0.80+-0.152.34+-0.15Al
Si1...-0.044.16-3.35-0.044.16Si
Ca2...0.74+-0.563.77+-0.56-2.57+-0.560.74+-0.563.77+-0.56Ca
Sc1...0.06-0.1-3.250.06-0.1Sc
Cr1...-0.371.96-3.68-0.371.96Cr
Mn1...-0.411.71-3.72-0.411.71Mn
Fe I36-3.31+-0.13...4.19+-0.13-3.31+-0.13...4.19+-0.13Fe I
Co1...0.942.62-2.370.942.62Co
Ni2...0.06+-0.152.97+-0.15-3.25+-0.150.06+-0.152.97+-0.15Ni
Sr2...-0.66+-0.19-1.11+-0.19-3.98+-0.19-0.67+-0.19-1.11+-0.19Sr
Ba1...<0.00<-1.13<-3.31<-0.00<-1.13Ba

Position

Right Ascension : 21 38 04.70 Declination : -19 11 04.0 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