SMSSJ212217.52-295552.7

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 : 5395 log g : 3.17 vturb : 2.15

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...0.64+-0.05...-2.17+-0.050.64+-0.056.26+-0.05C
Na I2...0.38+-0.08...-2.43+-0.080.38+-0.083.81+-0.08Na I
Mg I2...0.21+-0.09...-2.60+-0.090.21+-0.095.00+-0.09Mg I
Si I1...0.87...-1.940.875.57Si I
Ti II2...-0.21+-0.04...-3.02+-0.04-0.21+-0.041.93+-0.04Ti II
Mn3...-0.55+-0.11...-3.36+-0.11-0.55+-0.112.07+-0.11Mn
Fe I10-2.81+-0.14......-2.81+-0.14...4.69+-0.14Fe I
Fe II1-2.62......-2.62...4.88Fe II
Sr II2...-1.15+-0.05...-3.96+-0.05-1.15+-0.05-1.09+-0.05Sr II
Ba II2...<-0.90+-0.10...<-3.71+-0.10<-0.90+-0.10<-1.53+-0.10Ba II
Eu IIN/A...<0.80...<-2.01<0.80<-1.49Eu II

Binary Parameters

Vrad 200.8

Position

Right Ascension : 21 22 17.52 Declination : -29 55 52.7 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 18-19 2700 200.8