SMSSJ023147.96-575341.7

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 : 4720 log g : 1.05 vturb : 2.20

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
C2-3.070.355.36-3.070.355.36C
Na2-3.59-0.172.65-3.59-0.172.65Na
Mg3-3.130.294.47-3.130.294.47Mg
Al1-4.29-0.872.16-4.29-0.872.16Al
Si1-3.060.364.45-3.060.364.45Si
Ca4-3.190.233.15-3.190.233.15Ca
Sc1-3.80-0.38-0.65-3.80-0.38-0.65Sc
Ti I4-3.250.171.70-3.250.171.70Ti I
Ti II22-3.330.091.62-3.330.091.62Ti II
Cr I2-4.08-0.661.56-4.08-0.661.56Cr I
Mn3-3.82-0.401.61-3.82-0.401.61Mn
Fe I121-3.420.004.08-3.420.004.08Fe I
Fe II8-3.420.004.08-3.420.004.08Fe II
Co4-2.880.542.11-2.880.542.11Co
Ni3-3.140.293.08-3.140.283.08Ni
Sr2-5.50-2.08-2.62-5.49-2.07-2.62Sr
Ba2-5.05-1.63-2.88-5.06-1.64-2.88Ba
Eu1<-3.12<0.30<-2.60<-3.12<0.30<-2.60Eu

Binary Parameters

Vrad 219.2

Position

Right Ascension : 02 31 47.96 Declination : -57 53 41.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2013-01-06 N/A MIKELCO 28000 32-50 1800 219.2