J024236.8-070746

taken from 1 paper(s):

/C.M.Sakari et al.(2018)/


C.M.Sakari et al.,ApJ, 868, 110, 2018(ADS)

The R-Process Alliance: First Release from the Northern Search for r-process-enhanced Metal-poor Stars in the Galactic Halo


Stellar Parameters

Teff : 6590 log g : 4.17 vturb : 0.97

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
O2...-0.45+-0.07...-2.49+-0.07-0.45+-0.076.20+-0.07O
Na2...0.09+-0.04...-1.95+-0.040.09+-0.044.29+-0.04Na
K6...0.18+-0.02...-1.86+-0.020.18+-0.023.17+-0.02K
Ca5...0.33+-0.09...-1.71+-0.090.33+-0.094.63+-0.09Ca
Sc1...0.52+-0.10...-1.52+-0.100.52+-0.101.63+-0.10Sc
Ti I14...0.36+-0.03...-1.68+-0.030.36+-0.033.27+-0.03Ti I
Fe I22-2.04+-0.02......-2.04+-0.02...5.46+-0.02Fe I
Fe II3-2.06+-0.08......-2.06+-0.08...5.44+-0.08Fe II
Co1...0.04+-0.10...-2.00+-0.100.04+-0.102.99+-0.10Co
Sr2...0.37+-0.13...-1.67+-0.130.37+-0.131.20+-0.13Sr
Ba1...-0.08+-0.10...-2.12+-0.10-0.08+-0.100.06+-0.10Ba
EuN/A...<1.04...<-1.00<1.04<-0.48Eu

Binary Parameters

Vrad -34.6+-0.5

Position

Right Ascension : 02 42 36.75 Declination : -07 07 45.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2016-09-28 N/A APO 31500 31-74 1800 -34.6+-0.5