SDSSJ2052+0109

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 : 6050 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...-0.30+-0.223.14+-0.22-3.10+-0.22-0.30+-0.223.14+-0.22Na
MgN/A...0.17+-0.194.97+-0.19-2.63+-0.190.17+-0.194.97+-0.19Mg
CaN/A...0.00+-0.253.54+-0.25-2.80+-0.250.00+-0.253.54+-0.25Ca
Fe IN/A-2.80+-0.20...4.70+-0.20-2.80+-0.20...4.70+-0.20Fe I
Fe IIN/A-2.92+-0.29...4.58+-0.29-2.92+-0.29...4.58+-0.29Fe II
SrN/A...-0.53+-0.32-0.46+-0.32-3.33+-0.32-0.53+-0.32-0.46+-0.32Sr

Binary Parameters

Vrad -184.23+-0.12

Position

Right Ascension : 20 52 52.68 Declination : +01 09 39.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-10-05 N/A SUBARUHDS 36000 28-45 2400 -184.23+-0.12