P180.3206+02.5788

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 : 5400+-113 log g : 2.53+-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......0.96+-0.26-2.30+-0.260.84+-0.260.96+-0.26Li
O IN/A...<1.35...<-1.79<1.35<6.90O I
Na I2...-0.15+-0.22...-3.29+-0.22-0.15+-0.222.95+-0.22Na I
Mg I3...0.47+-0.19...-2.67+-0.190.47+-0.194.93+-0.19Mg I
K I1...0.60+-0.25...-2.54+-0.250.60+-0.252.49+-0.25K I
Ca I6...0.30+-0.20...-2.84+-0.200.30+-0.203.50+-0.20Ca I
Ca II3...0.60+-0.21...-2.54+-0.210.60+-0.213.80+-0.21Ca II
Sc IIN/A...<1.60...<-1.54<1.60<1.61Sc II
Ti I2...0.52+-0.27...-2.62+-0.270.52+-0.272.33+-0.27Ti I
Ti II1...1.40+-0.27...-1.74+-0.271.40+-0.273.21+-0.27Ti II
Cr I1...-0.20+-0.24...-3.34+-0.24-0.20+-0.242.30+-0.24Cr I
Mn IN/A...<0.60...<-2.54<0.60<2.89Mn I
Fe10-3.14+-0.25......-3.14+-0.25...4.36+-0.25Fe
Fe I7-2.90+-0.26......-2.90+-0.26...4.60+-0.26Fe I
Fe II3-3.20+-0.31......-3.20+-0.31...4.30+-0.31Fe II
Ni IN/A...<-0.10...<-3.24<-0.10<2.98Ni I
Cu IN/A...<1.00...<-2.14<1.00<2.05Cu I
Zn IN/A...<1.20...<-1.94<1.20<2.62Zn I
Y IIN/A...<0.80...<-2.34<0.80<-0.13Y II
Zr IIN/A...<2.45...<-0.69<2.45<1.89Zr II
Ba IIN/A...<-0.55...<-3.69<-0.55<-1.51Ba II
La IIN/A...<1.80...<-1.34<1.80<-0.24La II
Nd IIN/A...<2.00...<-1.14<2.00<0.28Nd II
Eu IIN/A...<2.10...<-1.04<2.10<-0.52Eu II

Binary Parameters

Vrad -204.9+-0.4

Position

Right Ascension : 12 01 16.94 Declination : +02 34 43.68 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2019-01-18 N/A GEMINIGRACES 65000 50 9600 -204.9+-0.4
2019-01-20 N/A GEMINIGRACES 65000 50 N/A -204.9+-0.4