SMSSJ090247.43-122755.0

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 : 4945 log g : 1.70 vturb : 1.95

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
Li1......0.72-2.54-0.140.72Li
C2-2.200.206.23-2.200.206.23C
Na2-1.930.474.31-1.930.474.31Na
Mg9-1.970.435.63-1.970.435.63Mg
Al1-3.24-0.843.21-3.24-0.843.21Al
Si2-1.790.615.72-1.790.615.72Si
Ca24-1.950.454.39-1.950.454.39Ca
Sc5-2.65-0.250.50-2.65-0.250.50Sc
Ti I20-2.240.162.71-2.240.162.71Ti I
Ti II40-2.260.142.69-2.260.142.69Ti II
Cr I10-2.62-0.223.02-2.62-0.223.02Cr I
Mn7-2.71-0.312.72-2.71-0.312.72Mn
Fe I153-2.400.005.10-2.400.005.10Fe I
Fe II14-2.400.005.10-2.400.005.10Fe II
Co7-2.47-0.072.52-2.47-0.072.52Co
Ni9-2.380.013.84-2.380.023.84Ni
Sr2-2.58-0.190.29-2.58-0.180.29Sr
Ba2-2.380.02-0.20-2.380.02-0.20Ba
Eu1-2.040.36-1.52-2.040.36-1.52Eu

Binary Parameters

Vrad -492.1

Position

Right Ascension : 09 02 47.43 Declination : -12 27 55.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2013-01-23 N/A MIKELCO 28000 61-78 1800 -492.1