SMSSJ202057.49-522417.2

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 : 4783 log g : 1.10 vturb : 2.35

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<-3.35<-0.23<5.08<-3.35<-0.23<5.08C
Na2-2.360.763.88-2.360.763.88Na
Mg10-2.470.655.13-2.470.655.13Mg
Al1-3.58-0.462.87-3.58-0.462.87Al
Si2-2.600.524.91-2.600.524.91Si
Ca13-2.630.493.71-2.630.493.71Ca
Sc1-2.820.300.33-2.820.300.33Sc
Ti I9-2.800.322.15-2.800.322.15Ti I
Ti II44-2.740.382.21-2.740.382.21Ti II
Cr I6-3.49-0.372.15-3.49-0.372.15Cr I
Cr II1-2.840.282.80-2.840.282.80Cr II
Mn3-3.61-0.491.82-3.61-0.491.82Mn
Fe I100-3.12-0.004.38-3.12-0.004.38Fe I
Fe II11-3.080.044.42-3.080.044.42Fe II
Co6-2.840.282.15-2.840.282.15Co
Ni6-3.020.103.20-3.020.103.20Ni
Zn1-2.650.471.91-2.650.471.91Zn
Sr2-3.120.00-0.25-3.120.00-0.25Sr
Ba2-3.62-0.50-1.44-3.62-0.50-1.44Ba
Eu1<-2.67<0.45<-2.15<-2.67<0.45<-2.15Eu

Binary Parameters

Vrad 188.1

Position

Right Ascension : 20 20 57.49 Declination : -52 24 17.2 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 40-42 900 188.1