SDSSJ0847+0121

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
NaN/A...-0.01+-0.273.03+-0.27-3.21+-0.27-0.01+-0.273.03+-0.27Na
MgN/A...0.63+-0.185.03+-0.18-2.57+-0.180.63+-0.185.03+-0.18Mg
CaN/A...0.54+-0.243.68+-0.24-2.66+-0.240.54+-0.243.68+-0.24Ca
Fe IN/A-3.20+-0.21...4.30+-0.21-3.20+-0.21...4.30+-0.21Fe I
Fe IIN/A-3.48+-0.35...4.02+-0.35-3.48+-0.35...4.02+-0.35Fe II
SrN/A...-0.25+-0.31-0.58+-0.31-3.45+-0.31-0.25+-0.31-0.58+-0.31Sr
BaN/A...0.26+-0.33-0.75+-0.33-2.93+-0.330.27+-0.33-0.75+-0.33Ba

Binary Parameters

Vrad 199.27+-0.15

Position

Right Ascension : 08 47 00.50 Declination : +01 21 13.7 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 30-47 900 199.27+-0.15