SDSSJ0748+1758

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 : 6100 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...-0.86+-0.222.77+-0.22-3.47+-0.22-0.87+-0.222.77+-0.22Na
MgN/A...-0.19+-0.194.80+-0.19-2.80+-0.19-0.20+-0.194.80+-0.19Mg
CaN/A...-0.13+-0.263.61+-0.26-2.73+-0.26-0.13+-0.263.61+-0.26Ca
Fe IN/A-2.60+-0.20...4.90+-0.20-2.60+-0.20...4.90+-0.20Fe I
Fe IIN/A-2.85+-0.30...4.65+-0.30-2.85+-0.30...4.65+-0.30Fe II
SrN/A...-0.54+-0.32-0.27+-0.32-3.14+-0.32-0.54+-0.32-0.27+-0.32Sr

Binary Parameters

Vrad -120.97+-0.10

Position

Right Ascension : 07 48 59.88 Declination : +17 58 33.1 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-10-05 N/A SUBARUHDS 36000 31-49 900 -120.97+-0.10