P021.9576+32.4131

taken from 1 paper(s):

/C.L.Kielty et al.(2021)/

C.L.Kielty et al.,MNRAS, 506, 1438, 2021(ADS)

The Pristine survey - XII. Gemini-GRACES chemo-dynamical study of newly discovered extremely metal-poor stars in the Galaxy


Stellar Parameters

Teff : 5343+-116 log g : 2.02+-0.11

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
LiN/A......0.89+-0.29-2.37+-0.290.84+-0.290.89+-0.29Li
O IN/A...<1.25...<-1.96<1.25<6.73O I
Na I2...0.07+-0.31...-3.14+-0.310.07+-0.313.10+-0.31Na I
Mg I3...0.78+-0.29...-2.43+-0.290.78+-0.295.17+-0.29Mg I
K I1...0.80+-0.33...-2.41+-0.330.80+-0.332.62+-0.33K I
Ca I7...0.46+-0.30...-2.75+-0.300.46+-0.303.59+-0.30Ca I
Ca II3...0.42+-0.32...-2.79+-0.320.42+-0.323.55+-0.32Ca II
Sc IIN/A...<1.10...<-2.11<1.10<1.04Sc II
Ti IN/A...<0.20...<-3.01<0.20<1.94Ti I
Ti II1...0.15+-0.34...-3.06+-0.340.15+-0.341.89+-0.34Ti II
Cr I3...-0.02+-0.31...-3.23+-0.31-0.02+-0.312.41+-0.31Cr I
Mn IN/A...<0.40...<-2.81<0.40<2.62Mn I
Fe48-3.21+-0.30......-3.21+-0.30...4.29+-0.30Fe
Fe I45-3.05+-0.13......-3.05+-0.13...4.45+-0.13Fe I
Fe II3-3.62+-0.13......-3.62+-0.13...3.88+-0.13Fe II
Ni I1...0.10+-0.32...-3.11+-0.320.10+-0.323.11+-0.32Ni I
Cu IN/A...<0.80...<-2.41<0.80<1.78Cu I
Zn IN/A...<1.00...<-2.21<1.00<2.35Zn I
Y IIN/A...<0.55...<-2.66<0.55<-0.45Y II
Zr IIN/A...<2.05...<-1.16<2.05<1.42Zr II
Ba IIN/A...<-0.65...<-3.86<-0.65<-1.68Ba II
La IIN/A...<1.50...<-1.71<1.50<-0.61La II
Nd IIN/A...<1.65...<-1.56<1.65<-0.14Nd II
Eu IIN/A...<1.90...<-1.31<1.90<-0.79Eu II

Binary Parameters

Vrad -152.6+-0.1

Position

Right Ascension : 01 27 49.82 Declination : +32 24 47.16 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2019-11-11 N/A GEMINIGRACES 65000 78 8100 -152.6+-0.1
2019-11-12 N/A GEMINIGRACES 65000 78 N/A -152.6+-0.1