SMSSJ023139.43-523957.4

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 : 4882 log g : 1.55 vturb : 1.95

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
C2-2.540.405.89-2.540.405.89C
Na2-2.070.874.17-2.070.874.17Na
Mg5-2.260.685.34-2.260.685.34Mg
Al1-3.61-0.672.84-3.61-0.672.84Al
Si1-2.130.815.38-2.130.815.38Si
Ca13-2.440.493.90-2.440.503.90Ca
Sc1-2.920.020.23-2.920.020.23Sc
Ti I18-2.660.282.29-2.660.282.29Ti I
Ti II30-2.640.302.31-2.640.302.31Ti II
Cr I6-3.22-0.282.42-3.22-0.282.42Cr I
Mn3-3.21-0.272.22-3.21-0.272.22Mn
Fe I154-2.940.004.56-2.940.004.56Fe I
Fe II14-2.930.014.57-2.930.014.57Fe II
Co2-2.710.232.28-2.710.232.28Co
Ni3-3.08-0.143.14-3.08-0.143.14Ni
Zn2-2.670.271.89-2.670.271.89Zn
Sr2-3.61-0.67-0.74-3.61-0.67-0.74Sr
Ba2-3.21-0.27-1.03-3.21-0.27-1.03Ba
Eu1<-2.94<0.00<-2.42<-2.94<-0.00<-2.42Eu

Binary Parameters

Vrad 146.1

Position

Right Ascension : 02 31 39.43 Declination : -52 39 57.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2013-01-08 N/A MIKELCO 28000 38-49 600 146.1