SDSSJ1551+2521

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 : 5850 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...0.36+-0.223.53+-0.22-2.71+-0.220.36+-0.223.53+-0.22Na
MgN/A...0.58+-0.195.11+-0.19-2.49+-0.190.58+-0.195.11+-0.19Mg
CaN/A...0.26+-0.263.53+-0.26-2.81+-0.260.26+-0.263.53+-0.26Ca
TiN/A...0.03+-0.291.91+-0.29-3.04+-0.290.03+-0.291.91+-0.29Ti
Fe IN/A-3.07+-0.21...4.43+-0.21-3.07+-0.21...4.43+-0.21Fe I
Fe IIN/A-3.37+-0.30...4.13+-0.30-3.37+-0.30...4.13+-0.30Fe II
SrN/A...-0.24+-0.33-0.44+-0.33-3.31+-0.33-0.24+-0.33-0.44+-0.33Sr

Binary Parameters

Vrad -122.44+-0.17

Position

Right Ascension : 15 51 17.38 Declination : +25 21 35.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-05-02 N/A SUBARUHDS 36000 35-57 1800 -122.44+-0.17