HE1204-0744

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 : 6500+-29 log g : 4.1

Position

Right Ascension : 12 06 46.20 Declination : -08 00 43.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2007-6 2454273.533 MIKELCO 31000-39000 100 -52.3 N/A
2007-6 2454273.556 MIKELCO 31000-39000 100 -51.5 N/A
2007-6 2454273.578 MIKELCO 31000-39000 100 -45.3 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 : 6500 log g : 4.3 vturb : 1.8

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<1.54<7.26C
Na1...-0.053.48-2.76-0.053.48Na
Mg1...-0.074.82-2.78-0.074.82Mg
Si1...-0.344.46-3.05-0.344.46Si
Ca2...0.45+-0.144.07+-0.14-2.27+-0.140.44+-0.144.07+-0.14Ca
Sc1...-0.090.35-2.80-0.090.35Sc
Cr3...0.04+-0.272.97+-0.27-2.67+-0.270.04+-0.272.97+-0.27Cr
Fe I33-2.71+-0.13...4.79+-0.13-2.71+-0.13...4.79+-0.13Fe I
Fe II1-1.76...5.74-1.76...5.74Fe II
Ni1...-0.183.33-2.89-0.183.33Ni
Sr2...-0.3+-0.19-0.14+-0.19-3.01+-0.19-0.30+-0.19-0.14+-0.19Sr
Ba1...<-0.18<-0.71<-2.89<-0.18<-0.71Ba

Position

Right Ascension : 12 06 46.20 Declination : -08 00 43.0 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