P237.8589+12.5660

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 : 6148+-175 log g : 3.61+-0.10

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......1.49+-0.75-1.77+-0.752.49+-0.751.49+-0.75Li
O IN/A...<2.15...<-2.11<2.15<6.58O I
Na IN/A...<0.00...<-4.26<0.00<1.98Na I
Mg IN/A...<0.15...<-4.11<0.15<3.49Mg I
K IN/A...<2.00...<-2.26<2.00<2.77K I
Ca IN/A...<0.95...<-3.31<0.95<3.03Ca I
Ca IIN/A...<1.25...<-3.01<1.25<3.33Ca II
Sc IIN/A...<2.90...<-1.36<2.90<1.79Sc II
Ti IN/A...<1.40...<-2.86<1.40<2.09Ti I
Ti IIN/A...<1.40...<-2.86<1.40<2.09Ti II
Cr IN/A...<0.80...<-3.46<0.80<2.18Cr I
Mn IN/A...<1.85...<-2.41<1.85<3.02Mn I
FeN/A<-4.26......<-4.26...<3.24Fe
Fe IN/A<-4.28......<-4.28...<3.22Fe I
Fe IIN/A<-4.23......<-4.23...<3.27Fe II
Ni IN/A...<1.00...<-3.26<1.00<2.96Ni I
Cu IN/A...<2.45...<-1.81<2.45<2.38Cu I
Zn IN/A...<2.45...<-1.81<2.45<2.75Zn I
Y IIN/A...<2.35...<-1.91<2.35<0.30Y II
Zr IIN/A...<4.00...<-0.26<4.00<2.32Zr II
Ba IIN/A...<1.25...<-3.01<1.25<-0.83Ba II
La IIN/A...<3.35...<-0.91<3.35<0.19La II
Nd IIN/A...<3.65...<-0.61<3.65<0.81Nd II
Eu IIN/A...<3.75...<-0.51<3.75<0.01Eu II

Binary Parameters

Vrad -3.8+-0.9

Position

Right Ascension : 15 51 26.14 Declination : +12 33 57.60 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2018-06-15 N/A GEMINIGRACES 65000 95 8100 -3.8+-0.9
2018-06-16 N/A GEMINIGRACES 65000 95 N/A -3.8+-0.9