SMSSJ155430.57-263904.8

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 : 4783 log g : 1.20 vturb : 2.20

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
C2-2.87-0.265.56-2.87-0.265.56C
Na1-2.140.474.10-2.140.474.10Na
Mg12-2.290.335.31-2.290.325.31Mg
Al1-3.14-0.533.31-3.14-0.533.31Al
Si2-2.070.545.44-2.070.545.44Si
Ca24-2.380.334.06-2.280.334.06Ca
Sc5-2.81-0.200.34-2.81-0.200.34Sc
Ti I27-2.460.152.49-2.460.152.49Ti I
Ti II46-2.270.342.68-2.270.342.68Ti II
Cr I20-2.76-0.142.88-2.76-0.152.88Cr I
Mn7-2.97-0.362.46-2.97-0.362.46Mn
Fe I177-2.610.004.89-2.610.004.89Fe I
Fe II16-2.580.034.92-2.580.034.92Fe II
Co8-2.520.102.47-2.520.092.47Co
Ni17-2.580.043.64-2.580.033.64Ni
Zn2-2.280.332.27-2.290.322.27Zn
Sr2-2.470.140.40-2.470.140.40Sr
Ba2-1.810.800.38-1.800.810.38Ba
Eu1-1.471.14-0.95-1.471.14-0.95Eu

Binary Parameters

Vrad -287.4

Position

Right Ascension : 15 54 30.57 Declination : -26 39 04.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2013-05-31 N/A MIKELCO 35000 78-125 5400 -287.4