SDSSJ1425+5742

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 : 6450 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...0.13+-0.124.44+-0.12-3.16+-0.120.13+-0.124.44+-0.12Mg
CaN/A...0.23+-0.153.29+-0.15-3.05+-0.150.24+-0.153.29+-0.15Ca
Fe IN/A-3.29+-0.20...4.21+-0.20-3.29+-0.20...4.21+-0.20Fe I
Fe IIN/A-3.35+-0.28...4.15+-0.28-3.35+-0.28...4.15+-0.28Fe II
SrN/A...0.13+-0.25-0.29+-0.25-3.16+-0.250.13+-0.25-0.29+-0.25Sr

Binary Parameters

Vrad -0.61+-0.18

Position

Right Ascension : 14 25 41.31 Declination : +57 42 07.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-03-08 N/A SUBARUHDS 36000 39-60 1800 -0.61+-0.18