HE1402-0523

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 : 6418+-37 log g : 4.2

Position

Right Ascension : 14 04 37.90 Declination : -05 38 13.0 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 2454272.546 MIKELCO 31000-39000 100 -68.9 N/A
2007-6 2454272.568 MIKELCO 31000-39000 100 -68.6 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 : 6418 log g : 3.82 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...<1.50<6.76<-1.67<1.50<6.76C
NN/A...<1.84<6.50<-1.33<1.84<6.50N
Na2...-0.15+-0.172.92+-0.17-3.32+-0.17-0.15+-0.172.92+-0.17Na
Mg3...0.29+-0.124.71+-0.12-2.89+-0.120.28+-0.124.71+-0.12Mg
Al1...-0.792.49-3.96-0.792.49Al
Si1...0.14.44-3.070.104.44Si
Ca2...0.35+-0.143.51+-0.14-2.83+-0.140.34+-0.143.51+-0.14Ca
Sc2...0.44+-0.210.42+-0.21-2.73+-0.210.44+-0.210.42+-0.21Sc
Cr3...-0.16+-0.142.31+-0.14-3.33+-0.14-0.16+-0.142.31+-0.14Cr
Fe I42-3.17+-0.14...4.33+-0.14-3.17+-0.14...4.33+-0.14Fe I
Co1...0.992.81-2.180.992.81Co
Ni1...0.033.08-3.140.033.08Ni
Sr2...0.11+-0.19-0.19+-0.19-3.06+-0.190.11+-0.19-0.19+-0.19Sr
Ba1...<-0.09<-1.08<-3.26<-0.09<-1.08Ba

Position

Right Ascension : 14 04 37.90 Declination : -05 38 13.0 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