SDSSJ1515+4503

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 : 6300 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
MgN/A...0.63+-0.204.89+-0.20-2.71+-0.200.63+-0.204.89+-0.20Mg
CaN/A...0.41+-0.273.41+-0.27-2.93+-0.270.41+-0.273.41+-0.27Ca
TiN/A...0.80+-0.362.40+-0.36-2.55+-0.360.79+-0.362.40+-0.36Ti
Fe IN/A-3.34+-0.22...4.16+-0.22-3.34+-0.22...4.16+-0.22Fe I
Fe IIN/A-3.33+-0.38...4.17+-0.38-3.33+-0.38...4.17+-0.38Fe II
SrN/A...0.44+-0.33-0.03+-0.33-2.90+-0.330.44+-0.33-0.03+-0.33Sr

Binary Parameters

Vrad -25.91+-0.30

Position

Right Ascension : 15 15 34.43 Declination : +45 03 17.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-03-10 N/A SUBARUHDS 36000 29-45 1500 -25.91+-0.30