SMSSJ202659.41-031149.2

taken from 1 paper(s):

/A.F.Marino et al.(2019)/

A.F.Marino et al.,MNRAS, 485, 5153, 2019(ADS)

Keck HIRES spectroscopy of SkyMapper commissioning survey candidate extremely metal-poor stars


Stellar Parameters

Teff : 4918 log g : 1.80 vturb : 1.74

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...-0.06+-0.03...-3.00+-0.03-0.06+-0.035.43+-0.03C
Na I2...0.44+-0.03...-2.50+-0.030.44+-0.033.74+-0.03Na I
Mg I2...0.42+-0.12...-2.52+-0.120.42+-0.125.08+-0.12Mg I
Al I2...-0.54+-0.23...-3.48+-0.23-0.54+-0.232.97+-0.23Al I
Si I2...0.75+-0.32...-2.19+-0.320.75+-0.325.32+-0.32Si I
Ca I2...0.39+-0.01...-2.55+-0.010.39+-0.013.79+-0.01Ca I
Sc II1...0.41...-2.530.410.62Sc II
Ti I2...0.39+-0.16...-2.55+-0.160.39+-0.162.40+-0.16Ti I
Ti II7...0.43+-0.17...-2.51+-0.170.43+-0.172.44+-0.17Ti II
Cr I3...-0.12+-0.15...-3.06+-0.15-0.12+-0.152.58+-0.15Cr I
Mn3...-0.84+-0.03...-3.78+-0.03-0.84+-0.031.65+-0.03Mn
Fe I30-2.94+-0.14......-2.94+-0.14...4.56+-0.14Fe I
Fe II2-2.84+-0.17......-2.84+-0.17...4.66+-0.17Fe II
Co I8...0.32+-0.23...-2.62+-0.230.32+-0.232.37+-0.23Co I
Sr II2...-1.94+-0.06...-4.88+-0.06-1.94+-0.06-2.01+-0.06Sr II
Ba II1...-1.69+-0.00...-4.63+-0.00-1.69+-0.00-2.45+-0.00Ba II
Eu IIN/A...<0.10...<-2.84<0.10<-2.32Eu II

Binary Parameters

Vrad -199.1

Position

Right Ascension : 20 26 59.41 Declination : -03 11 49.2 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A N/A KECKHIRES 50000 28-29 600 -199.1