SDSSJ1650+2242

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 : 6600 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...-0.48+-0.263.20+-0.26-3.04+-0.26-0.48+-0.263.20+-0.26Na
MgN/A...0.12+-0.245.16+-0.24-2.44+-0.240.12+-0.245.16+-0.24Mg
CaN/A...-0.06+-0.333.72+-0.33-2.62+-0.33-0.06+-0.333.72+-0.33Ca
Fe IN/A-2.56+-0.24...4.94+-0.24-2.56+-0.24...4.94+-0.24Fe I
Fe IIN/A-3.04+-0.42...4.46+-0.42-3.04+-0.42...4.46+-0.42Fe II
SrN/A...-0.23+-0.380.08+-0.38-2.79+-0.38-0.23+-0.380.08+-0.38Sr

Binary Parameters

Vrad -33.08+-0.29

Position

Right Ascension : 16 50 16.66 Declination : +22 42 14.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-10-06 N/A SUBARUHDS 36000 30-48 1500 -33.08+-0.29