SDSSJ1528+4915

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
NaN/A...-0.08+-0.173.18+-0.17-3.06+-0.17-0.07+-0.173.18+-0.17Na
MgN/A...0.32+-0.134.93+-0.13-2.67+-0.130.32+-0.134.93+-0.13Mg
CaN/A...0.17+-0.163.52+-0.16-2.82+-0.160.17+-0.163.52+-0.16Ca
Fe IN/A-2.99+-0.20...4.51+-0.20-2.99+-0.20...4.51+-0.20Fe I
Fe IIN/A-3.19+-0.31...4.31+-0.31-3.19+-0.31...4.31+-0.31Fe II
SrN/A...-0.21+-0.23-0.33+-0.23-3.20+-0.23-0.21+-0.23-0.33+-0.23Sr

Binary Parameters

Vrad -49.60+-0.10

Position

Right Ascension : 15 28 10.51 Declination : +49 15 26.8 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 34-53 900 -49.60+-0.10