SDSSJ0027-1909

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 : 6550 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...-0.49+-0.283.04+-0.28-3.20+-0.28-0.49+-0.283.04+-0.28Na
MgN/A...0.11+-0.195.01+-0.19-2.59+-0.190.12+-0.195.01+-0.19Mg
CaN/A...0.15+-0.253.78+-0.25-2.56+-0.250.15+-0.253.78+-0.25Ca
TiN/A...0.10+-0.282.35+-0.28-2.60+-0.280.11+-0.282.35+-0.28Ti
Fe IN/A-2.71+-0.21...4.79+-0.21-2.71+-0.21...4.79+-0.21Fe I
Fe IIN/A-2.87+-0.30...4.63+-0.30-2.87+-0.30...4.63+-0.30Fe II
SrN/A...-0.71+-0.32-0.54+-0.32-3.41+-0.32-0.70+-0.32-0.54+-0.32Sr

Binary Parameters

Vrad 14.97+-0.10

Position

Right Ascension : 00 27 56.76 Declination : -19 09 29.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-07-05 N/A SUBARUHDS 36000 54-83 2400 14.97+-0.10
2008-07-06 N/A SUBARUHDS 36000 54-83 2400 14.97+-0.10