SDSSJ0821+1819

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 : 6250 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...0.30+-0.194.20+-0.19-3.40+-0.190.30+-0.194.20+-0.19Mg
CaN/A...0.00+-0.252.64+-0.25-3.70+-0.250.00+-0.252.64+-0.25Ca
Fe IN/A-3.70+-0.24...3.80+-0.24-3.70+-0.24...3.80+-0.24Fe I

Binary Parameters

Vrad 164.40+-2.12

Position

Right Ascension : 08 21 18.18 Declination : +18 19 31.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-03-08 N/A SUBARUHDS 36000 28-44 2100 164.40+-2.12