SDSSJ1204+1201

taken from 1 paper(s):

/V.M.Placco et al.(2015)/


V.M.Placco et al.,ApJ, 809, 136, 2015(ADS)

Metal-poor Stars Observed with the Magellan Telescope. III. New Extremely and Ultra Metal-poor Stars from SDSS/SEGUE and Insights on the Formation of Ultra Metal-poor Stars


Stellar Parameters

Teff : 5467+-100 log g : 3.20+-0.20 vturb : 1.50+-0.20

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
Li1......1.70-1.562.781.70Li
C1...<+1.45<5.54<-2.89<1.45<5.54C
Na I2...+0.442.34-3.900.442.34Na I
Mg I3...+0.403.66-3.940.403.66Mg I
Si I1...+0.713.88-3.630.713.88Si I
Ca I1...+0.422.42-3.920.422.42Ca I
Ca II1...+0.352.35-3.990.352.35Ca II
Sc II1...+0.41-0.78-3.930.41-0.78Sc II
Ti II1...+0.871.48-3.470.871.48Ti II
Cr I1...+0.591.89-3.750.591.89Cr I
Fe I21-4.34...3.16-4.34...3.16Fe I
Ni I1...+0.732.61-3.610.732.61Ni I
Sr II1...<-0.08<-1.55<-4.42<-0.08<-1.55Sr II
Ba II1...<+0.62<-1.54<-3.72<0.62<-1.54Ba II

Binary Parameters

Vrad 83.00

Position

Right Ascension : 12 04 41.40 Declination : +12 01 11.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2013-05-31-00:09:39 N/A MIKELCO 35000 85 5400 83.00