SDSSJ2300+0559

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 : 6450 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...0.24+-0.244.90+-0.24-2.70+-0.240.24+-0.244.90+-0.24Mg
CaN/A...-0.04+-0.323.36+-0.32-2.98+-0.32-0.04+-0.323.36+-0.32Ca
TiN/A...0.61+-0.342.62+-0.34-2.33+-0.340.61+-0.342.62+-0.34Ti
Fe IN/A-2.94+-0.22...4.56+-0.22-2.94+-0.22...4.56+-0.22Fe I
Fe IIN/A-2.95+-0.32...4.55+-0.32-2.95+-0.32...4.55+-0.32Fe II

Binary Parameters

Vrad -244.68+-0.24

Position

Right Ascension : 23 00 26.34 Declination : +05 59 56.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-10-04 N/A SUBARUHDS 36000 30-47 2400 -244.68+-0.24