SDSSJ0746+2831

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 : 6100 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...-0.26+-0.223.23+-0.22-3.01+-0.22-0.26+-0.223.23+-0.22Na
MgN/A...0.56+-0.145.41+-0.14-2.19+-0.140.56+-0.145.41+-0.14Mg
CaN/A...0.33+-0.113.92+-0.11-2.42+-0.110.33+-0.113.92+-0.11Ca
TiN/A...0.13+-0.262.33+-0.26-2.62+-0.260.13+-0.262.33+-0.26Ti
Fe IN/A-2.75+-0.20...4.75+-0.20-2.75+-0.20...4.75+-0.20Fe I
Fe IIN/A-3.01+-0.29...4.49+-0.29-3.01+-0.29...4.49+-0.29Fe II
SrN/A...-0.24+-0.24-0.12+-0.24-2.99+-0.24-0.24+-0.24-0.12+-0.24Sr

Binary Parameters

Vrad -32.32+-0.08

Position

Right Ascension : 07 46 41.32 Declination : +28 31 42.6 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 34-55 1200 -32.32+-0.08