SMSSJ230306.22-041621.8

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 : 4792 log g : 1.48 vturb : 1.72

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...0.12+-0.02...-2.62+-0.020.12+-0.025.81+-0.02C
Na I2...0.22+-0.04...-2.52+-0.040.22+-0.043.72+-0.04Na I
Mg I2...0.48+-0.01...-2.26+-0.010.48+-0.015.34+-0.01Mg I
Al I1...-0.10...-2.84-0.103.61Al I
Si I2...0.75+-0.25...-1.99+-0.250.75+-0.255.52+-0.25Si I
Ca I2...0.45+-0.03...-2.29+-0.030.45+-0.034.05+-0.03Ca I
Sc II1...-0.14...-2.88-0.140.27Sc II
Ti I5...0.32+-0.10...-2.42+-0.100.32+-0.102.53+-0.10Ti I
Ti II7...0.15+-0.10...-2.59+-0.100.15+-0.102.36+-0.10Ti II
Cr I2...-0.17+-0.03...-2.91+-0.03-0.17+-0.032.73+-0.03Cr I
Mn3...-0.54+-0.05...-3.28+-0.05-0.54+-0.052.15+-0.05Mn
Fe I32-2.74+-0.16......-2.74+-0.16...4.76+-0.16Fe I
Fe II1-2.53......-2.53...4.97Fe II
Co I7...0.28+-0.12...-2.46+-0.120.28+-0.122.53+-0.12Co I
Zn I1...0.38...-2.360.382.20Zn I
Sr II2...-0.01+-0.01...-2.75+-0.01-0.01+-0.010.12+-0.01Sr II
Ba II3...-0.58+-0.10...-3.32+-0.10-0.58+-0.10-1.14+-0.10Ba II
Eu IIN/A...<0.30...<-2.44<0.30<-1.92Eu II

Binary Parameters

Vrad -244.6

Position

Right Ascension : 23 03 06.22 Declination : -04 16 21.8 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 26-28 1200 -244.6