SDSSJ1504+4623

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 : 6050 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...-0.08+-0.252.85+-0.25-3.39+-0.25-0.08+-0.252.85+-0.25Na
MgN/A...0.31+-0.164.60+-0.16-3.00+-0.160.31+-0.164.60+-0.16Mg
CaN/A...0.43+-0.213.46+-0.21-2.88+-0.210.43+-0.213.46+-0.21Ca
TiN/A...0.59+-0.292.23+-0.29-2.72+-0.290.59+-0.292.23+-0.29Ti
Fe IN/A-3.31+-0.21...4.19+-0.21-3.31+-0.21...4.19+-0.21Fe I
Fe IIN/A-3.09+-0.34...4.41+-0.34-3.09+-0.34...4.41+-0.34Fe II

Binary Parameters

Vrad -70.13+-0.28

Position

Right Ascension : 15 04 25.13 Declination : +46 23 20.9 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 33-52 2400 -70.13+-0.28