P258.1048+40.5405

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 : 6554+-245 log g : 4.37+-0.09

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......1.96+-0.25-1.30+-0.252.34+-0.251.96+-0.25Li
O IN/A...<1.50...<-2.14<1.50<6.55O I
Na IN/A...<-0.05...<-3.69<-0.05<2.55Na I
Mg IN/A...<0.40...<-3.24<0.40<4.36Mg I
K IN/A...<1.85...<-1.79<1.85<3.24K I
Ca IN/A...<0.65...<-2.99<0.65<3.35Ca I
Ca IIN/A...<1.46...<-2.18<1.46<4.16Ca II
Sc IIN/A...<3.30...<-0.34<3.30<2.81Sc II
Ti IN/A...<1.40...<-2.24<1.40<2.71Ti I
Ti IIN/A...<1.40...<-2.24<1.40<2.71Ti II
Cr IN/A...<0.50...<-3.14<0.50<2.50Cr I
Mn IN/A...<1.95...<-1.69<1.95<3.74Mn I
FeN/A<-3.64......<-3.64...<3.86Fe
Fe IN/A<-3.42......<-3.42...<4.08Fe I
Fe IIN/A<-3.87......<-3.87...<3.63Fe II
Ni IN/A...<1.00...<-2.64<1.00<3.58Ni I
Cu IN/A...<2.45...<-1.19<2.45<3.00Cu I
Zn IN/A...<2.45...<-1.19<2.45<3.37Zn I
Y IIN/A...<2.55...<-1.09<2.55<1.12Y II
Zr IIN/A...<4.20...<0.56<4.20<3.14Zr II
Ba IIN/A...<1.15...<-2.49<1.15<-0.31Ba II
La IIN/A...<3.65...<0.01<3.65<1.11La II
Nd IIN/A...<4.00...<0.36<4.00<1.78Nd II
Eu IIN/A...<3.65...<0.01<3.65<0.53Eu II

Binary Parameters

Vrad -169.4+-1.5

Position

Right Ascension : 17 12 25.15 Declination : +40 32 25.80 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2019-03-31 N/A GEMINIGRACES 65000 53 31200 -169.4+-1.5
2019-06-22 N/A GEMINIGRACES 65000 53 N/A -169.4+-1.5