SMSSJ022545.31-774119.9

taken from 1 paper(s):

/H.R.Jacobson et al.(2015)/


H.R.Jacobson et al.,ApJ, 807, 171, 2015(ADS)

High-Resolution Spectroscopic Study of Extremely Metal-Poor Star Candidates from the SkyMapper Survey


Stellar Parameters

Teff : 5134 log g : 2.60 vturb : 1.70

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
C2-2.250.386.18-2.250.386.18C
Na2-2.120.514.12-2.120.514.12Na
Mg3-2.310.335.29-2.310.325.29Mg
Al1-3.48-0.852.97-3.48-0.852.97Al
Ca11-2.230.404.11-2.230.404.11Ca
Sc1-2.76-0.130.39-2.76-0.130.39Sc
Ti I8-2.360.272.59-2.360.272.59Ti I
Ti II18-2.310.322.64-2.310.322.64Ti II
Cr I2-3.16-0.532.48-3.16-0.532.48Cr I
Mn3-2.96-0.332.47-2.96-0.332.47Mn
Fe I106-2.630.004.87-2.630.004.87Fe I
Fe II8-2.620.014.88-2.620.014.88Fe II
Co4-2.610.032.38-2.610.022.38Co
Ni1-2.590.043.63-2.590.043.63Ni
Sr2-2.620.010.25-2.620.010.25Sr
Ba2-2.470.16-0.29-2.470.16-0.29Ba
Eu1<-1.93<0.70<-1.41<-1.93<0.70<-1.41Eu

Binary Parameters

Vrad 264.8

Position

Right Ascension : 02 25 45.31 Declination : -77 41 19.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2012-09-09 N/A MIKELCO 28000 19-33 1800 262.9
2013-01-07 N/A MIKELCO 35000 20-52 1800 264.8