J121846.5-161051

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 : 4740 log g : 1.09 vturb : 2.47

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...-0.30+-0.07...-3.54+-0.07-0.30+-0.075.15+-0.07O
Na3...0.44+-0.04...-2.80+-0.040.44+-0.043.44+-0.04Na
Mg1...0.44...-2.800.444.80Mg
Si1...0.34+-0.10...-2.90+-0.100.34+-0.104.61+-0.10Si
K10...0.32+-0.03...-2.92+-0.030.32+-0.032.11+-0.03K
Ca7...-0.29+-0.03...-3.53+-0.03-0.29+-0.032.81+-0.03Ca
Sc7...0.15+-0.02...-3.09+-0.020.15+-0.020.06+-0.02Sc
Ti I17...0.18+-0.03...-3.06+-0.030.18+-0.031.89+-0.03Ti I
Ti II1...2.60...-0.642.604.31Ti II
Fe I52-3.24+-0.02......-3.24+-0.02...4.26+-0.02Fe I
Fe II10-3.19+-0.09......-3.19+-0.09...4.31+-0.09Fe II
Co2...0.26+-0.03...-2.98+-0.030.26+-0.032.01+-0.03Co
Sr2...-0.20+-0.11...-3.44+-0.11-0.20+-0.11-0.57+-0.11Sr
Ba1...-1.50+-0.20...-4.74+-0.20-1.50+-0.20-2.56+-0.20Ba
EuN/A...<0.17...<-3.07<0.17<-2.55Eu

Binary Parameters

Vrad 330.0+-0.5

Position

Right Ascension : 12 18 46.50 Declination : -16 10 50.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2016-01-28 N/A APO 31500 85-240 1620 330.0+-0.5