G90-25

taken from 3 paper(s):

/J.Simmerer et al.(2004)/ /I.U.Roederer et al.(2010)/ /I.U.Roederer et al.(2014)/


J.Simmerer et al.,ApJ, 617, 1091, 2004(ADS)

The Rise of the s-Process in the Galaxy


Stellar Parameters

Teff : 5303 log g : 4.46 vturb : 1.20

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
CN/A...-0.05...-1.650.136.78C
Fe I9-1.78......-1.78...5.72Fe I
Fe II4-1.79......-1.79...5.71Fe II
La IIN/A......-0.51+-0.05-1.61+-0.050.17+-0.05-0.51+-0.05La II
Eu IIN/A......-0.97-1.490.29-0.97Eu II

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A MCDONALD 60000 100 N/A N/A

I.U.Roederer et al.,ApJ, 724, 975, 2010(ADS)

THE UBIQUITY OF THE RAPID NEUTRON-CAPTURE PROCESS


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
FeN/A-1.78......-1.78...5.72Fe
Zn IN/A......2.83-1.730.052.83Zn I
Y IIN/A......0.11-2.10-0.320.11Y II
Pb IN/A......<+0.90<-1.14<0.64<+0.90Pb I

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A MCDONALD 60000 100 N/A N/A

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 : 5150+-41 log g : 4.05+-0.17 vturb : 0.9+-0.12

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......1.10-2.16-0.131.10Li I
CH1...0.04+-0.256.43-2.000.03+-0.256.43CH
CN1...0.36+-0.286.15-1.680.35+-0.286.15CN
O I2...0.49+-0.157.15-1.540.49+-0.157.15O I
Mg I1...0.38+-0.085.95-1.650.38+-0.085.95Mg I
Si I1...0.31+-0.195.79-1.720.31+-0.195.79Si I
K I1...0.09+-0.153.09-1.940.09+-0.153.09K I
Ca I9...0.38+-0.164.69-1.650.38+-0.164.69Ca I
Sc II5...-0.06+-0.101.05-2.10-0.07+-0.101.05Sc II
Ti I14...0.17+-0.093.09-1.860.17+-0.093.09Ti I
Ti II18...0.23+-0.093.15-1.800.23+-0.093.15Ti II
V I1...-0.04+-0.141.86-2.07-0.04+-0.141.86V I
V II2...0.09+-0.211.98-1.950.08+-0.211.98V II
Cr I10...-0.08+-0.093.53-2.11-0.08+-0.093.53Cr I
Cr II3...0.29+-0.113.89-1.750.28+-0.113.89Cr II
Mn I4...-0.38+-0.093.02-2.41-0.38+-0.093.02Mn I
Fe I89-2.03+-0.10...5.47-2.03+-0.10...5.47Fe I
Fe II7-2.04+-0.10...5.46-2.04+-0.10...5.46Fe II
Co I2...-0.26+-0.172.70-2.29-0.26+-0.172.70Co I
Ni I8...-0.02+-0.144.17-2.05-0.02+-0.144.17Ni I
Zn I2...0.15+-0.092.68-1.880.15+-0.092.68Zn I
Sr II2...0.05+-0.060.88-1.990.04+-0.060.88Sr II
Y II2...-0.31+-0.13-0.13-2.34-0.31+-0.13-0.13Y II
Zr II3...0.24+-0.110.79-1.790.24+-0.110.79Zr II
Nb II1...<1.76<1.18<-0.28<1.75<1.18Nb II
Mo I1...0.30+-0.240.15-1.730.30+-0.240.15Mo I
Tc I1......<0.92<0.92<2.95<0.92Tc I
Ba II2...-0.10+-0.090.04-2.14-0.11+-0.090.04Ba II
La II2...-0.04+-0.19-0.98-2.08-0.05+-0.19-0.98La II
Ce II1...-0.07+-0.21-0.53-2.11-0.08+-0.21-0.53Ce II
Sm II2...<0.60<-0.48<-1.44<0.59<-0.48Sm II
Eu II2...0.07+-0.13-1.44-1.960.07+-0.13-1.44Eu II
Gd II1...<1.01<0.04<-1.03<1.00<0.04Gd II
Yb II1...-0.05+-0.25-1.17-2.09-0.06+-0.25-1.17Yb II
Hf II1...<1.28<0.09<-0.62<1.41<0.09Hf II
Pb I1...<1.63<1.64<-0.40<1.63<1.64Pb I

Binary Parameters

Binarity Negative
Vrad -234.2

Position

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-11-01-12:14 2454772.011 MCDONALD 33000 70-225 1500 -234.3
2009-02-18-04:23 2454880.687 MCDONALD 33000 70-225 1800 -234