HE0049-3948

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 : 6466+-55 log g : 4.1

Position

Right Ascension : 00 52 13.40 Declination : -39 32 37.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2007-12 2454456.553 MIKELCO 37000 100 190.7 N/A
2007-12 2454456.583 MIKELCO 37000 100 191.4 N/A
2007-12 2454456.598 MIKELCO 37000 100 190 N/A
2007-12 2454456.613 MIKELCO 37000 100 190.1 N/A
2007-12 2454457.565 MIKELCO 37000 100 191.2 N/A
2007-12 2454457.586 MIKELCO 37000 100 193.2 N/A
2007-12 2454457.608 MIKELCO 37000 100 189.9 N/A
2007-12 2454457.63 MIKELCO 37000 100 190.2 N/A
2008-9 2454716.766 MIKELCO 30000-36000 100 188.2 N/A
2008-9 2454716.84 MIKELCO 30000-36000 100 191.1 N/A
2008-9 2454716.855 MIKELCO 30000-36000 100 190.9 N/A
2008-9 2454716.87 MIKELCO 30000-36000 100 188.2 N/A
2008-9 2454717.863 MIKELCO 30000-36000 100 193.6 N/A
2008-9 2454717.878 MIKELCO 30000-36000 100 191.9 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 : 6466 vturb : 0.8

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...<1.81<6.56<-1.87<1.81<6.56C
NN/A...<2.40<6.55<-1.28<2.40<6.55N
Na2...-0.08+-0.22.49+-0.2-3.75+-0.2-0.07+-0.22.49+-0.2Na
Mg3...0.29+-0.134.21+-0.13-3.39+-0.130.29+-0.134.21+-0.13Mg
Si1...-0.013.82-3.69-0.013.82Si
Ca1...0.112.77-3.570.112.77Ca
Cr2...0.23+-0.42.19+-0.4-3.45+-0.40.23+-0.42.19+-0.4Cr
Fe I35-3.68+-0.12...3.82+-0.12-3.68+-0.12...3.82+-0.12Fe I
Fe II1-3.51...3.99-3.51...3.99Fe II
Ni1...0.32.84-3.380.302.84Ni
Sr1...-0.85-1.66-4.53-0.85-1.66Sr
Ba1...<0.14<-1.36<-3.54<0.14<-1.36Ba

Position

Right Ascension : 00 52 13.40 Declination : -39 32 37.0 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