SDSSJ1553+2511

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 : 5850 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+-0.192.83+-0.19-3.41+-0.19-0.11+-0.192.83+-0.19Na
MgN/A...0.29+-0.164.59+-0.16-3.01+-0.160.29+-0.164.59+-0.16Mg
CaN/A...0.28+-0.213.32+-0.21-3.02+-0.210.28+-0.213.32+-0.21Ca
Fe IN/A-3.30+-0.21...4.20+-0.21-3.30+-0.21...4.20+-0.21Fe I
Fe IIN/A-3.26+-0.33...4.23+-0.33-3.27+-0.33...4.23+-0.33Fe II
SrN/A...0.33+-0.28-0.11+-0.28-2.98+-0.280.32+-0.28-0.11+-0.28Sr

Binary Parameters

Vrad -187.28+-0.25

Position

Right Ascension : 15 53 10.82 Declination : +25 11 40.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-07-04 N/A SUBARUHDS 36000 30-47 1500 -187.28+-0.25