P021.6938+29.0039

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 : 5878+-137 log g : 3.54+-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......1.58+-0.82-1.68+-0.821.59+-0.821.58+-0.82Li
O IN/A...<1.20...<-2.07<1.20<6.62O I
Na IN/A...<-0.40...<-3.67<-0.40<2.57Na I
Mg I2...0.11+-0.18...-3.16+-0.180.11+-0.184.44+-0.18Mg I
K IN/A...<1.30...<-1.97<1.30<3.06K I
Ca I4...0.33+-0.15...-2.94+-0.150.33+-0.153.40+-0.15Ca I
Ca II3...0.92+-0.20...-2.35+-0.200.92+-0.203.99+-0.20Ca II
Sc IIN/A...<2.20...<-1.07<2.20<2.08Sc II
Ti IN/A...<1.10...<-2.17<1.10<2.78Ti I
Ti IIN/A...<0.50...<-2.77<0.50<2.18Ti II
Cr I1...-0.05+-0.25...-3.32+-0.25-0.05+-0.252.32+-0.25Cr I
Mn IN/A...<1.05...<-2.22<1.05<3.21Mn I
Fe16-3.27+-0.41......-3.27+-0.41...4.23+-0.41Fe
Fe I12-3.29+-0.95......-3.29+-0.95...4.21+-0.95Fe I
Fe II4-3.14+-0.45......-3.14+-0.45...4.36+-0.45Fe II
Ni I1...0.20+-0.27...-3.07+-0.270.20+-0.273.15+-0.27Ni I
Cu IN/A...<1.40...<-1.87<1.40<2.32Cu I
Zn IN/A...<1.65...<-1.62<1.65<2.94Zn I
Y IIN/A...<1.55...<-1.72<1.55<0.49Y II
Zr IIN/A...<3.15...<-0.12<3.15<2.46Zr II
Ba IIN/A...<0.05...<-3.22<0.05<-1.04Ba II
La IIN/A...<2.50...<-0.77<2.50<0.33La II
Nd IIN/A...<3.05...<-0.22<3.05<1.20Nd II
Eu IIN/A...<2.65...<-0.62<2.65<-0.10Eu II

Binary Parameters

Vrad -85.4+-0.5

Position

Right Ascension : 01 26 46.51 Declination : +29 00 14.04 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2018-01-16 N/A GEMINIGRACES 65000 61 9600 -85.4+-0.5
2019-01-17 N/A GEMINIGRACES 65000 61 N/A -85.4+-0.5