SDSSJ1522+3055

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...-0.13+-0.202.52+-0.20-3.72+-0.20-0.13+-0.202.52+-0.20Na
MgN/A...0.52+-0.164.53+-0.16-3.07+-0.160.52+-0.164.53+-0.16Mg
CaN/A...0.52+-0.213.27+-0.21-3.07+-0.210.52+-0.213.27+-0.21Ca
Fe IN/A-3.59+-0.20...3.91+-0.20-3.59+-0.20...3.91+-0.20Fe I
Fe IIN/A-3.47+-0.34...4.03+-0.34-3.47+-0.34...4.03+-0.34Fe II

Binary Parameters

Vrad -354.61+-0.21

Position

Right Ascension : 15 22 02.09 Declination : +30 55 26.4 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 34-54 1800 -354.61+-0.21