SDSSJ0840+5405

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 : 6150 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
MgN/A...1.15+-0.165.50+-0.16-2.10+-0.161.15+-0.165.50+-0.16Mg
CaN/A...0.76+-0.213.85+-0.21-2.49+-0.210.76+-0.213.85+-0.21Ca
TiN/A...0.42+-0.292.12+-0.29-2.83+-0.290.42+-0.292.12+-0.29Ti
Fe IN/A-3.25+-0.21...4.25+-0.21-3.25+-0.21...4.25+-0.21Fe I
Fe IIN/A-3.4+-0.33...4.10+-0.33-3.40+-0.33...4.10+-0.33Fe II

Binary Parameters

Vrad -10.85+-0.15

Position

Right Ascension : 08 40 16.15 Declination : +54 05 26.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-03-10 N/A SUBARUHDS 36000 34-52 1500 -10.85+-0.15