SMSSJ022452.58-731051.8

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 : 4900 log g : 1.80 vturb : 2.15

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
C1-2.430.126.00-2.430.126.00C
Na2-2.100.464.14-2.100.454.14Na
Mg4-1.990.565.61-1.990.565.61Mg
Al1-2.90-0.353.55-2.90-0.353.55Al
Si1-2.440.115.07-2.440.115.07Si
Ca6-2.280.284.06-2.280.274.06Ca
Sc1-2.82-0.270.33-2.82-0.270.33Sc
Ti I5-2.420.132.53-2.420.132.53Ti I
Ti II20-2.330.222.62-2.330.222.62Ti II
Cr I4-3.16-0.612.48-3.16-0.612.48Cr I
Mn3-2.71-0.162.72-2.71-0.162.72Mn
Fe I58-2.550.004.95-2.550.004.95Fe I
Fe II7-2.530.024.97-2.530.024.97Fe II
Co2-2.480.072.51-2.480.072.51Co
Ni1-2.470.083.75-2.470.083.75Ni
Sr2-3.40-0.85-0.53-3.40-0.85-0.53Sr
Ba1-2.71-0.16-0.53-2.71-0.16-0.53Ba
Eu1<-1.92<0.63<-1.40<-1.92<0.63<-1.40Eu

Binary Parameters

Vrad 285.8

Position

Right Ascension : 02 24 52.58 Declination : -73 10 51.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2012-09-08 N/A MIKELCO 28000 16-27 1800 285.8