SDSSJ1521+3437

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...0.15+-0.283.61+-0.28-2.63+-0.280.16+-0.283.61+-0.28Na
MgN/A...0.73+-0.195.54+-0.19-2.06+-0.190.73+-0.195.54+-0.19Mg
CaN/A...0.48+-0.264.04+-0.26-2.30+-0.260.49+-0.264.04+-0.26Ca
Fe IN/A-2.79+-0.22...4.71+-0.22-2.79+-0.22...4.71+-0.22Fe I
SrN/A...0.18+-0.270.27+-0.27-2.60+-0.270.19+-0.270.27+-0.27Sr

Binary Parameters

Vrad -32.23+-0.40

Position

Right Ascension : 15 21 58.64 Declination : +34 37 29.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-05-02 N/A SUBARUHDS 36000 30-46 2460 -32.23+-0.40