SDSSJ0817+2641

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
MgN/A...0.20+-0.154.95+-0.15-2.65+-0.150.20+-0.154.95+-0.15Mg
CaN/A...0.18+-0.203.67+-0.20-2.67+-0.200.18+-0.203.67+-0.20Ca
Fe IN/A-2.85+-0.21...4.65+-0.21-2.85+-0.21...4.65+-0.21Fe I
SrN/A...-0.32+-0.28-0.30+-0.28-3.17+-0.28-0.32+-0.28-0.30+-0.28Sr
BaN/A...0.40+-0.30-0.27+-0.30-2.45+-0.300.40+-0.30-0.27+-0.30Ba

Binary Parameters

Binarity Positive
Vrad -1.82+-0.53

Position

Right Ascension : 08 17 54.92 Declination : +26 41 03.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-03-10 N/A SUBARUHDS 36000 32-49 1200 -1.82+-0.53