SDSSJ1213+4450

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 : 6650 log g : 4.0 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...0.03+-0.303.07+-0.30-3.17+-0.300.03+-0.303.07+-0.30Na
MgN/A...0.26+-0.204.66+-0.20-2.94+-0.200.26+-0.204.66+-0.20Mg
CaN/A...0.15+-0.283.29+-0.28-3.05+-0.280.15+-0.283.29+-0.28Ca
Fe IN/A-3.20+-0.22...4.30+-0.22-3.20+-0.22...4.30+-0.22Fe I
Fe IIN/A-3.22+-0.38...4.28+-0.38-3.22+-0.38...4.28+-0.38Fe II

Binary Parameters

Vrad 92.36+-0.25

Position

Right Ascension : 12 13 07.21 Declination : +44 50 40.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-03-10 N/A SUBARUHDS 36000 37-56 1500 92.36+-0.25