SDSSJ0254+3328

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 : 6200 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...-0.53+-0.232.89+-0.23-3.35+-0.23-0.53+-0.232.89+-0.23Na
MgN/A...-0.29+-0.204.49+-0.20-3.11+-0.20-0.29+-0.204.49+-0.20Mg
CaN/A...-0.01+-0.273.51+-0.27-2.83+-0.27-0.01+-0.273.51+-0.27Ca
Fe IN/A-2.82+-0.21...4.68+-0.21-2.82+-0.21...4.68+-0.21Fe I
Fe IIN/A-2.83+-0.32...4.68+-0.32-2.82+-0.32...4.68+-0.32Fe II

Binary Parameters

Vrad -218.09+-0.12

Position

Right Ascension : 02 54 53.30 Declination : +33 28 40.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-10-06 N/A SUBARUHDS 36000 29-46 2400 -218.09+-0.12