SDSSJ1659+3515

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 : 6050 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...-0.11+-0.222.89+-0.22-3.35+-0.22-0.11+-0.222.89+-0.22Na
MgN/A...0.67+-0.185.03+-0.18-2.57+-0.180.67+-0.185.03+-0.18Mg
CaN/A...0.49+-0.253.59+-0.25-2.75+-0.250.49+-0.253.59+-0.25Ca
Fe IN/A-3.24+-0.21...4.26+-0.21-3.24+-0.21...4.26+-0.21Fe I
Fe IIN/A-3.35+-0.36...4.15+-0.36-3.35+-0.36...4.15+-0.36Fe II

Binary Parameters

Vrad -42.49+-0.07

Position

Right Ascension : 16 59 34.75 Declination : +35 15 54.6 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-07-04 N/A SUBARUHDS 36000 30-47 1800 -42.49+-0.07