SDSSJ2207+2017

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 : 6200 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...-0.14+-0.233.68+-0.23-2.56+-0.23-0.14+-0.233.68+-0.23Na
MgN/A...0.26+-0.155.43+-0.15-2.17+-0.150.25+-0.155.43+-0.15Mg
CaN/A...0.37+-0.164.29+-0.16-2.05+-0.160.37+-0.164.29+-0.16Ca
TiN/A...0.41+-0.312.94+-0.31-2.01+-0.310.41+-0.312.94+-0.31Ti
Fe IN/A-2.42+-0.20...5.08+-0.20-2.42+-0.20...5.08+-0.20Fe I
Fe IIN/A-2.16+-0.29...5.33+-0.29-2.17+-0.29...5.33+-0.29Fe II
SrN/A...-0.09+-0.270.35+-0.27-2.52+-0.27-0.10+-0.270.35+-0.27Sr
BaN/A...-0.42+-0.35-0.67+-0.35-2.85+-0.35-0.43+-0.35-0.67+-0.35Ba

Binary Parameters

Vrad -150.75+-0.17

Position

Right Ascension : 22 07 43.33 Declination : +20 17 52.1 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-10-06 N/A SUBARUHDS 36000 29-44 2400 -150.75+-0.17