G71-55

taken from 2 paper(s):

/I.U.Roederer et al.(2014)/ /C.M.Sakari et al.(2018)/

I.U.Roederer et al.,AJ, 147, 136, 2014(ADS)

A SEARCH FOR STARS OF VERY LOW METAL ABUNDANCE. VI. DETAILED ABUNDANCES OF 313 METAL-POOR STARS


Stellar Parameters

Teff : 5550+-39 log g : 3.55+-0.18 vturb : 1.15+-0.06

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
Li I1......2.14-1.120.942.14Li I
CH1...-0.44+-0.256.19-2.24-0.18+-0.256.19CH
CN1...<1.12<7.15<-0.68<1.38<7.15CN
O I3...0.71+-0.207.34-1.350.71+-0.207.34O I
Mg I4...0.33+-0.235.88-1.720.34+-0.235.88Mg I
Al I1...-0.85+-0.333.54-2.91-0.85+-0.333.54Al I
Si I2...0.43+-0.275.88-1.630.43+-0.275.88Si I
Ca I12...0.42+-0.244.70-1.640.42+-0.244.70Ca I
Sc II6...-0.05+-0.141.28-1.870.19+-0.141.28Sc II
Ti I15...0.20+-0.203.09-1.860.20+-0.203.09Ti I
Ti II25...0.27+-0.143.40-1.550.51+-0.143.40Ti II
V I1...-0.02+-0.221.85-2.08-0.02+-0.221.85V I
V II2...0.11+-0.232.22-1.710.35+-0.232.22V II
Cr I11...-0.14+-0.203.44-2.20-0.14+-0.203.44Cr I
Cr II3...0.25+-0.144.07-1.570.49+-0.144.07Cr II
Mn I6...-0.32+-0.213.06-2.37-0.31+-0.213.06Mn I
Fe I102-2.06+-0.21...5.44-2.06+-0.21...5.44Fe I
Fe II11-1.82+-0.14...5.68-1.82+-0.14...5.68Fe II
Co I2...-0.14+-0.272.80-2.19-0.13+-0.272.80Co I
Ni I11...0.12+-0.234.29-1.930.13+-0.234.29Ni I
Cu I1...<-0.63<1.50<-2.69<-0.63<1.50Cu I
Zn I3...0.26+-0.202.76-1.800.26+-0.202.76Zn I
Sr II2...-0.05+-0.191.00-1.870.19+-0.191.00Sr II
Y II4...-0.32+-0.160.07-2.14-0.08+-0.160.07Y II
Zr II3...-0.01+-0.140.75-1.830.23+-0.140.75Zr II
Nb II1...<1.32<0.96<-0.50<1.56<0.96Nb II
Mo I1...<0.63<0.45<-1.43<0.63<0.45Mo I
Sn I1...<1.82<1.83<-0.24<1.82<1.83Sn I
Ba II3...-0.03+-0.130.33-1.850.21+-0.130.33Ba II
La II4...0.11+-0.17-0.61-1.710.35+-0.17-0.61La II
Ce II1...-0.03+-0.34-0.27-1.850.21+-0.34-0.27Ce II
Nd II3...0.11+-0.21-0.28-1.700.36+-0.21-0.28Nd II
Eu II4...0.27+-0.15-1.02-1.540.52+-0.15-1.02Eu II
Gd II1...0.58+-0.23-0.17-1.240.82+-0.23-0.17Gd II
Dy II2...0.57+-0.16-0.15-1.250.81+-0.16-0.15Dy II
Er II2...0.14+-0.30-0.76-1.680.38+-0.30-0.76Er II
Tm II2...<0.88<-0.84<-0.96<1.10<-0.84Tm II
Yb II1...-0.02+-0.18-0.92-1.840.22+-0.18-0.92Yb II
Hf II2...<0.91<-0.06<-0.77<1.29<-0.06Hf II
Ir I1...<1.99<1.31<-0.07<1.99<1.31Ir I
Pb I1...<1.53<1.51<-0.53<1.53<1.51Pb I

Binary Parameters

Binarity Negative
Vrad -31.1

Position

Right Ascension : 02 03 50.98 Declination : -00 32 21.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-10-31-04:10 2454770.679 MCDONALD 33000 70-405 5400 -30.6
2008-10-31-05:53 2454770.751 MCDONALD 33000 70-405 5400 -31.3
2008-11-04-04:49 2454774.706 MCDONALD 33000 70-405 5400 -31.4

C.M.Sakari et al.,ApJ, 868, 110, 2018(ADS)

The R-Process Alliance: First Release from the Northern Search for r-process-enhanced Metal-poor Stars in the Galactic Halo


Binary Parameters

Vrad -31.4+-1.4

Position

Right Ascension : 02 03 50.99 Declination : -00 32 20.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2016-01-22 N/A APO 31500 105-190 1020 -31.4+-1.4
2016-02-14 N/A APO 31500 105-190 1020 -31.4+-1.4