SMSSJ184226.25-272602.7

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 : 4450 log g : 0.75 vturb : 2.85

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<-4.18<-0.29<4.25<-4.18<-0.29<4.25C
Na1-3.680.212.56-3.680.212.56Na
Mg9-3.270.634.33-3.270.624.33Mg
Al1-4.26-0.372.19-4.26-0.372.19Al
Si2-2.950.954.56-2.950.944.56Si
Ca13-3.290.603.05-3.290.603.05Ca
Sc5-4.27-0.38-1.12-4.27-0.38-1.12Sc
Ti I4-3.780.111.17-3.780.111.17Ti I
Ti II24-3.710.181.24-3.710.181.24Ti II
Cr I4-4.58-0.691.06-4.58-0.691.06Cr I
Mn1<-4.98<-1.09<0.45<-4.98<-1.09<0.45Mn
Fe I80-3.890.003.61-3.890.003.61Fe I
Fe II10-3.890.013.61-3.890.013.61Fe II
Co2-4.07-0.180.92-4.07-0.180.92Co
Ni2-4.24-0.351.98-4.24-0.351.98Ni
Sr2-5.66-1.77-2.79-5.66-1.77-2.79Sr
Ba2-5.16-1.27-2.98-5.16-1.27-2.98Ba
Eu1<-3.52<0.37<-3.00<-3.52<0.37<-3.00Eu

Binary Parameters

Vrad -247.0

Position

Right Ascension : 18 42 26.25 Declination : -27 26 02.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2013-05-29 N/A MIKELCO 28000 35-60 1800 -247.0