SMSSJ041957.56-493818.3

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 : 4567 log g : 0.70 vturb : 2.30

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
C2-3.23-0.265.20-3.23-0.265.20C
Na2-2.530.443.71-2.530.443.71Na
Mg6-2.570.405.03-2.570.405.03Mg
Al1-3.44-0.473.01-3.44-0.473.01Al
Si1-2.120.855.39-2.120.855.39Si
Ca13-2.710.253.63-2.710.263.63Ca
Ti I16-2.910.062.04-2.910.062.04Ti I
Ti II39-2.800.162.15-2.800.172.15Ti II
Cr I11-3.25-0.282.39-3.25-0.282.39Cr I
Cr II2-2.850.122.79-2.850.122.79Cr II
Fe I158-2.970.004.53-2.970.004.53Fe I
Fe II18-2.970.004.53-2.970.004.53Fe II
Co7-3.01-0.051.98-3.01-0.041.98Co
Ni10-2.97-0.013.25-2.970.003.25Ni
Zn2-2.99-0.031.56-3.00-0.031.56Zn
Sr2-3.29-0.31-0.42-3.29-0.32-0.42Sr
Ba2-3.69-0.71-1.50-3.68-0.71-1.50Ba
Eu1<-3.27<-0.30<-2.75<-3.27<-0.30<-2.75Eu

Binary Parameters

Vrad 113.6

Position

Right Ascension : 04 19 57.56 Declination : -49 38 18.3 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 35000 37-55 900 113.6