SMSSJ204654.92-020409.2

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 : 4729 log g : 1.75 vturb : 1.70

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...-0.42+-0.01...-2.13+-0.01-0.42+-0.016.30+-0.01C
N2...0.53+-0.08...-1.18+-0.080.53+-0.086.65+-0.08N
Na I4...-0.28+-0.10...-1.99+-0.10-0.28+-0.104.25+-0.10Na I
Mg I3...0.19+-0.16...-1.52+-0.160.19+-0.166.08+-0.16Mg I
Si I2...0.18+-0.15...-1.53+-0.150.18+-0.155.98+-0.15Si I
Ca I3...0.34+-0.16...-1.37+-0.160.34+-0.164.97+-0.16Ca I
Sc II4...0.10+-0.46...-1.61+-0.460.10+-0.461.54+-0.46Sc II
Ti I7...-0.01+-0.06...-1.72+-0.06-0.01+-0.063.23+-0.06Ti I
Ti II8...0.25+-0.12...-1.46+-0.120.25+-0.123.49+-0.12Ti II
Cr I6...-0.21+-0.09...-1.92+-0.09-0.21+-0.093.72+-0.09Cr I
Cr II1...0.11...-1.600.114.04Cr II
Mn3...-0.74+-0.08...-2.45+-0.08-0.74+-0.082.98+-0.08Mn
Fe I43-1.71+-0.14......-1.71+-0.14...5.79+-0.14Fe I
Fe II4-1.61+-0.09......-1.61+-0.09...5.89+-0.09Fe II
Co I6...0.20+-0.24...-1.51+-0.240.20+-0.243.48+-0.24Co I
Ni I8...-0.20+-0.10...-1.91+-0.10-0.20+-0.104.31+-0.10Ni I
Zn I2...0.01+-0.01...-1.70+-0.010.01+-0.012.86+-0.01Zn I
Sr II2...0.03+-0.00...-1.68+-0.000.03+-0.001.19+-0.00Sr II
Ba II3...-0.13+-0.16...-1.84+-0.16-0.13+-0.160.34+-0.16Ba II
Eu II2...0.35+-0.19...-1.36+-0.190.35+-0.19-0.84+-0.19Eu II

Binary Parameters

Vrad -451.2

Position

Right Ascension : 20 46 54.92 Declination : -02 04 09.2 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 26-30 1200 -451.2