SDSSJ2104-0104

taken from 1 paper(s):

/W.Aoki et al.(2013)/

W.Aoki et al.,AJ, 145, 13, 2013(ADS)

High-resolution Spectroscopy of Extremely Metal-poor Stars from SDSS/SEGUE. I. Atmospheric Parameters and Chemical Compositions


Stellar Parameters

Teff : 5250 log g : 2.0 vturb : 1.5

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
NaN/A...0.43+-0.273.23+-0.27-3.01+-0.270.42+-0.273.23+-0.27Na
MgN/A...0.96+-0.265.13+-0.26-2.47+-0.260.96+-0.265.13+-0.26Mg
CaN/A...1.00+-0.373.90+-0.37-2.44+-0.370.99+-0.373.90+-0.37Ca
TiN/A...0.39+-0.331.91+-0.33-3.04+-0.330.39+-0.331.91+-0.33Ti
Fe IN/A-3.43+-0.35...4.07+-0.35-3.43+-0.35...4.07+-0.35Fe I
Fe IIN/A-3.29+-0.40...4.21+-0.40-3.29+-0.40...4.21+-0.40Fe II
BaN/A...-0.72+-0.48-1.98+-0.48-4.16+-0.48-0.73+-0.48-1.98+-0.48Ba

Binary Parameters

Vrad -110.55+-0.16

Position

Right Ascension : 21 04 54.83 Declination : -01 04 40.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-07-05 N/A SUBARUHDS 36000 29-47 1800 -110.55+-0.16