SDSSJ0907+0246

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 : 6000 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...0.75+-0.173.68+-0.17-2.56+-0.170.74+-0.173.68+-0.17Na
MgN/A...0.27+-0.134.56+-0.13-3.04+-0.130.26+-0.134.56+-0.13Mg
CaN/A...-0.05+-0.172.98+-0.17-3.36+-0.17-0.06+-0.172.98+-0.17Ca
TiN/A...0.48+-0.262.12+-0.26-2.83+-0.260.47+-0.262.12+-0.26Ti
Fe IN/A-3.30+-0.20...4.20+-0.20-3.30+-0.20...4.20+-0.20Fe I
Fe IIN/A-3.23+-0.28...4.26+-0.28-3.24+-0.28...4.26+-0.28Fe II
SrN/A...-0.24+-0.23-0.67+-0.23-3.54+-0.23-0.24+-0.23-0.67+-0.23Sr

Binary Parameters

Vrad 313.15+-0.15

Position

Right Ascension : 09 07 33.28 Declination : +02 46 08.1 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-03-08 N/A SUBARUHDS 36000 33-52 1500 313.15+-0.15