CS31082-001

taken from 23 paper(s):

/V.Hill et al.(2002)/ /R.Cayrel et al.(2004)/ /S.Honda et al.(2004)/ /N.Christlieb et al.(2004)/ /M.Spite et al.(2005)/ /P.S.Barklem et al.(2005)/ /W.Aoki et al.(2003)/ /B.Plez et al.(2004)/ /S.Honda et al.(2004)/ /M.Spite et al.(2006)/ /S.M.Andrievsky et al.(2007)/ /D.K.Lai et al.(2007)/ /S.M.Andrievsky et al.(2008)/ /S.M.Andrievsky et al.(2009)/ /S.M.Andrievsky et al.(2010)/ /M.Spite et al.(2011)/ /L.Zhang et al.(2011)/ /C.J.Hansen et al.(2012)/ /J.Ren et al.(2012)/ /M.Spite et al.(2012)/ /I.U.Roederer et al.(2014)/ /I.U.Roederer et al.(2014)/ /C.M.Sakari et al.(2018)/

V.Hill et al.,AAP, 387, 560, 2002(ADS)

First stars. I. The extreme r-element rich, iron-poor halo giant CS 31082-001 Implications for the r-process site(s) and radioactive cosmochronology?


Stellar Parameters

Teff : 4825+-50 log g : 1.5+-0.3 vturb : 1.8+-0.2

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......0.85-2.410.490.85Li I
CNN/A-2.7+0.25.22-2.610.295.22CN
O I1-2.310.596.52-2.170.736.52O I
Na I2-2.630.27+-0.023.70-2.540.36+-0.023.70Na I
Mg I7-2.540.36+-0.135.04-2.560.34+-0.135.04Mg I
Al I1-3.64-0.742.83-3.62-0.722.83Al I
Si I1-2.660.244.89-2.620.284.89Si I
K I2-2.250.65+-0.082.87-2.160.74+-0.082.87K I
Ca I15-2.490.41+-0.113.87-2.470.43+-0.113.87Ca I
Sc II7-2.890.01+-0.070.28-2.870.03+-0.070.28Sc II
Ti I14-2.650.25+-0.092.37-2.580.32+-0.092.37Ti I
Ti II28-2.590.31+-0.142.43-2.520.38+-0.142.43Ti II
Cr I7-3.24-0.34+-0.112.43-3.21-0.31+-0.112.43Cr I
Mn I6-3.25-0.35+-0.092.14-3.29-0.39+-0.092.14Mn I
Fe I120-2.900.00+-0.134.60-2.900.00+-0.134.60Fe I
Fe II18-2.920.02+-0.114.58-2.920.02+-0.114.58Fe II
Co I4-2.640.26+-0.112.28-2.710.19+-0.112.28Co I
Ni I3-2.880.02+-0.023.37-2.850.05+-0.023.37Ni I
Zn I2-2.720.18+-0.001.88-2.680.22+-0.001.88Zn I
Sr3...+0.65+-0.030.72+-0.03-2.15+-0.030.75+-0.030.72+-0.03Sr
Y9...+0.43+-0.07-0.23+-0.07-2.44+-0.070.46+-0.07-0.23+-0.07Y
Zr5...+0.73+-0.150.43+-0.15-2.15+-0.150.75+-0.150.43+-0.15Zr
Nb1...+0.93-0.55-2.010.89-0.55Nb
Ru5...+1.42+-0.100.36+-0.10-1.39+-0.101.51+-0.100.36+-0.10Ru
Rh3...+1.36+-0.03-0.42+-0.03-1.33+-0.031.57+-0.03-0.42+-0.03Rh
Pd3...+1.16+-0.10-0.05+-0.10-1.62+-0.101.28+-0.10-0.05+-0.10Pd
Ag2...+1.15+-0.17-0.81+-0.17-2.01+-0.170.89+-0.17-0.81+-0.17Ag
Ba6...+1.17+-0.170.40+-0.17-1.78+-0.171.12+-0.170.40+-0.17Ba
La5...+1.13+-0.04-0.60+-0.04-1.70+-0.041.20+-0.04-0.60+-0.04La
Ce9...+1.01+-0.10-0.31+-0.10-1.89+-0.101.01+-0.10-0.31+-0.10Ce
Pr6...+1.33+-0.12-0.86+-0.12-1.58+-0.121.32+-0.12-0.86+-0.12Pr
Nd18...+1.27+-0.17-0.13+-0.17-1.55+-0.171.35+-0.17-0.13+-0.17Nd
Sm9...+1.38+-0.16-0.51+-0.16-1.47+-0.161.43+-0.16-0.51+-0.16Sm
Eu9...+1.63+-0.11-0.76+-0.11-1.28+-0.111.62+-0.11-0.76+-0.11Eu
Gd9...+1.51+-0.15-0.27+-0.15-1.34+-0.151.56+-0.15-0.27+-0.15Gd
Tb7...+1.74+-0.07-1.26+-0.07-1.58+-0.071.32+-0.07-1.26+-0.07Tb
Dy6...+1.55+-0.13-0.21+-0.13-1.31+-0.131.59+-0.13-0.21+-0.13Dy
Er5...+1.70+-0.08-0.27+-0.08-1.19+-0.081.71+-0.08-0.27+-0.08Er
Tm4...+1.66+-0.10-1.24+-0.10-1.36+-0.101.54+-0.10-1.24+-0.10Tm
Hf2...+1.43-0.59-1.301.60-0.59Hf
Os3...+1.30+-0.170.43+-0.17-0.97+-0.171.93+-0.170.43+-0.17Os
Ir2...+1.750.20-1.181.720.20Ir
Pb1......-0.2-2.240.66-0.2Pb
Th8...+1.83+-0.05-0.98+-0.05-1.04+-0.051.86+-0.05-0.98+-0.05Th
U1...+1.49-1.92-1.381.52-1.92U

Binary Parameters

Binarity Negative
Vrad 139.05+-0.05

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-08-06 2451763.396 VLT 45000 110-300 1200
2000-08-06 2451763.396 VLT 45000 250-340 1200 139.03
2000-08-06 2451763.412 VLT 45000 110 1200
2000-08-06 2451763.412 VLT 45000 110-300 1200
2000-08-10 2451767.281 VLT 70000 110-300 3000
2000-08-10 2451767.317 VLT 70000 110-300 3000
2000-10-11 2451829.169 VLT 77000 35-350 7200
2000-10-14 2451832.176 VLT 77000 35-350 3600
2000-10-14 2451832.176 VLT 86000 250-340 3600 139.10
2000-10-14 2451832.219 VLT 77000 35-350 3600
2000-10-14 2451832.219 VLT 86000 250-340 3600 139.14
2000-10-15 2451833.223 VLT 77000 35-350 3600
2000-10-15 2451833.223 VLT 86000 250-340 3600 139.08
2000-10-17 2451835.147 VLT 75000 200-250 3600 N/A
2000-10-17 2451835.147 VLT 86000 110 3600 N/A
2000-10-19 2451837.184 VLT 75000 200-250 3600 N/A

R.Cayrel et al.,AAP, 416, 1117, 2004(ADS)

First stars V - Abundance patterns from C to Zn and supernova yields in the early Galaxy


Stellar Parameters

Teff : 4825 log g : 1.5 vturb : 1.8

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
CHN/A-2.700.215.82-2.610.295.82CH
CNN/A<-2.70<0.21<5.22<-2.61<0.29<5.22CN
[O I]N/A-2.310.606.46-2.230.676.46[O I]
Na I2-2.630.283.70-2.540.363.70Na I
Mg I7-2.54+-0.130.37+-0.135.04+-0.13-2.56+-0.130.34+-0.135.04+-0.13Mg I
Al I1-3.64-0.732.83-3.62-0.722.83Al I
Si I1-2.660.254.89-2.620.284.89Si I
K I2-2.250.662.87-2.160.742.87K I
Ca I15-2.49+-0.110.42+-0.113.87+-0.11-2.47+-0.110.43+-0.113.87+-0.11Ca I
Sc II7-2.89+-0.070.02+-0.070.28+-0.07-2.87+-0.070.03+-0.070.28+-0.07Sc II
Ti I14-2.65+-0.090.26+-0.092.37+-0.09-2.58+-0.090.32+-0.092.37+-0.09Ti I
Ti II28-2.59+-0.140.32+-0.142.43+-0.14-2.52+-0.140.38+-0.142.43+-0.14Ti II
Cr I7-3.24+-0.11-0.33+-0.112.43+-0.11-3.21+-0.11-0.31+-0.112.43+-0.11Cr I
Mn I3-3.41+-0.03-0.50+-0.031.98+-0.03-3.45+-0.03-0.55+-0.031.98+-0.03Mn I
Fe I120-2.90+-0.13-0.01+-0.134.60+-0.13-2.90+-0.13-0.01+-0.134.60+-0.13Fe I
Fe II18-2.92+-0.11-0.01+-0.114.58+-0.11-2.92+-0.11-0.01+-0.114.58+-0.11Fe II
Co I4-2.64+-0.110.27+-0.112.28+-0.11-2.71+-0.110.19+-0.112.28+-0.11Co I
Ni I3-2.88+-0.020.03+-0.023.37+-0.02-2.85+-0.020.05+-0.023.37+-0.02Ni I
Zn I2-2.720.191.88-2.680.221.88Zn I

Binary Parameters

Binarity Unknown

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-08 N/A VLT 47000 N/A 2400 N/A
2000-08 N/A VLT N/A N/A 6000 N/A
2000-10 N/A VLT N/A N/A 25200 N/A

S.Honda et al.,ApJ, 607, 474, 2004(ADS)

Spectroscopic Studies of Extremely Metal-Poor Stars with the Subaru High Dispersion Spectrograph. II. The r-Process Elements, Including Thorium


Stellar Parameters

Teff : 4790 log g : 1.8 vturb : 1.9

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
CHN/A...0.095.84-2.590.215.84CH
Mg I4...0.66+-0.115.43+-0.11-2.17+-0.110.63+-0.115.43+-0.11Mg I
Al I1...-0.61+-0.193.05+-0.19-3.40+-0.19-0.60+-0.193.05+-0.19Al I
Si I1...0.62+-0.195.36+-0.19-2.15+-0.190.65+-0.195.36+-0.19Si I
Ca I1...0.42+-0.193.97+-0.19-2.37+-0.190.43+-0.193.97+-0.19Ca I
Sc II1...-0.17+-0.190.19+-0.19-2.96+-0.19-0.16+-0.190.19+-0.19Sc II
Ti15...0.34+-0.052.55+-0.05-2.40+-0.050.40+-0.052.55+-0.05Ti
V2...0.28+-0.191.47+-0.19-2.46+-0.190.34+-0.191.47+-0.19V
Mn I5...-0.17+-0.242.41+-0.24-3.02+-0.24-0.22+-0.242.41+-0.24Mn I
FeN/A-2.81+-0.12...4.7+-0.12-2.80+-0.12...4.7+-0.12Fe
Co I3...0.38+-0.132.49+-0.13-2.50+-0.130.30+-0.132.49+-0.13Co I
Ni I1...0.2+-0.193.64+-0.19-2.58+-0.190.22+-0.193.64+-0.19Ni I
Sr II2...0.47+-0.190.58+-0.19-2.29+-0.190.51+-0.190.58+-0.19Sr II
Y II6...0.36+-0.46-0.22+-0.46-2.43+-0.460.37+-0.46-0.22+-0.46Y II
Zr II4...0.72+-0.330.52+-0.33-2.06+-0.330.74+-0.330.52+-0.33Zr II
Ba II2...1.02+-0.190.43+-0.19-1.75+-0.191.05+-0.190.43+-0.19Ba II
La II6...1.11+-0.06-0.48+-0.06-1.58+-0.061.22+-0.06-0.48+-0.06La II
Ce II7...0.99+-0.09-0.19+-0.09-1.77+-0.091.03+-0.09-0.19+-0.09Ce II
Pr II1...1.38+-0.19-0.63+-0.19-1.35+-0.191.45+-0.19-0.63+-0.19Pr II
Nd II9...1.26+-0.12-0.06+-0.12-1.48+-0.121.32+-0.12-0.06+-0.12Nd II
Sm II4...1.5+-0.12-0.33+-0.12-1.29+-0.121.51+-0.12-0.33+-0.12Sm II
Eu II3...1.67+-0.01-0.59+-0.01-1.11+-0.011.69+-0.01-0.59+-0.01Eu II
Gd II2...1.54+-0.19-0.18+-0.19-1.25+-0.191.55+-0.19-0.18+-0.19Gd II
Tb II2...1.3+-0.19-1.16+-0.19-1.48+-0.191.32+-0.19-1.16+-0.19Tb II
Dy II5...1.64+-0.13...-1.12+-0.131.68+-0.13-0.02+-0.13Dy II
Er II4...1.62+-0.26-0.22+-0.26-1.14+-0.261.66+-0.26-0.22+-0.26Er II
Tm II3...1.46+-0.19-1.2+-0.19-1.32+-0.191.48+-0.19-1.2+-0.19Tm II
Yb II1...1.54+-0.19-0.32+-0.19-1.24+-0.191.56+-0.19-0.32+-0.19Yb II
Os I1...1.9+-0.190.46+-0.19-0.94+-0.191.86+-0.190.46+-0.19Os I
Th II1...1.8+-0.1-0.92+-0.1-0.98+-0.11.82+-0.1-0.92+-0.1Th II
U II1...<1.35<-1.96<-1.42<1.38<-1.96U II

Isotopic Ratio

12C/13C >10

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-07-30 N/A SUBARUHDS 50000 100 1200 138.91+-0.30

N.Christlieb et al.,AAP, 428, 1027, 2004(ADS)

The Hamburg/ESO R-process Enhanced Star survey (HERES)


Stellar Parameters

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-11-22-010111 N/A N/A 20000 81 600

M.Spite et al.,AAP, 430, 655, 2005(ADS)

First stars VI - Abundances of C, N, O, Li, and mixing in extremely metal-poor giants. Galactic evolution of the light elements


Stellar Parameters

Teff : 4825 log g : 1.5 vturb : 1.8

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 IN/A......0.85+-0.05-2.41+-0.050.50+-0.050.85+-0.05Li I
CN/A-2.69+-0.05......-2.60+-0.050.31+-0.055.83+-0.05C
NN/A-3.42......-3.33-0.424.50N
[O I]N/A-2.31......-2.260.656.43[O I]
FeN/A-2.91......-2.91...4.59Fe

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 47000 30 N/A N/A

P.S.Barklem et al.,AAP, 439, 129, 2005(ADS)

The Hamburg/ESO R-process enhanced star survey (HERES). II. Spectroscopic analysis of the survey sample


Stellar Parameters

Teff : 4922 log g : 1.90 vturb : 1.88

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
CH1...0.22+-0.285.83+-0.26-2.60+-0.260.18+-0.285.83+-0.26CH
Mg I7...0.36+-0.255.16+-0.18-2.44+-0.180.34+-0.255.16+-0.18Mg I
Al I1...-0.80+-0.262.89+-0.23-3.56+-0.23-0.78+-0.262.89+-0.23Al I
Ca I8...0.33+-0.253.91+-0.20-2.43+-0.200.35+-0.253.91+-0.20Ca I
Sc II5...0.12+-0.230.51+-0.23-2.64+-0.230.14+-0.230.51+-0.23Sc II
Ti16...0.25+-0.222.49+-0.20-2.46+-0.200.32+-0.222.49+-0.20Ti
V2...0.02+-0.231.24+-0.19-2.69+-0.190.09+-0.231.24+-0.19V
Cr I3...-0.36+-0.232.53+-0.23-3.11+-0.23-0.33+-0.232.53+-0.23Cr I
Mn I3...-0.58+-0.232.03+-0.21-3.40+-0.21-0.62+-0.232.03+-0.21Mn I
Fe54...0.00+-0.224.72+-0.19-2.78+-0.190.00+-0.224.72+-0.19Fe
Co I6...0.18+-0.242.32+-0.22-2.67+-0.220.11+-0.242.32+-0.22Co I
Ni I4...0.13+-0.253.60+-0.27-2.62+-0.270.16+-0.253.60+-0.27Ni I
Sr2...0.53+-0.240.72+-0.22-2.15+-0.220.63+-0.240.72+-0.22Sr
Y II6...0.56+-0.230.02+-0.23-2.19+-0.230.59+-0.230.02+-0.23Y II
Zr II2...0.89+-0.230.71+-0.22-1.87+-0.220.91+-0.230.71+-0.22Zr II
Ba II2...1.18+-0.220.53+-0.19-1.65+-0.191.13+-0.220.53+-0.19Ba II
La II5...1.18+-0.23-0.43+-0.22-1.53+-0.221.25+-0.23-0.43+-0.22La II
Ce II8...1.06+-0.25-0.14+-0.24-1.72+-0.241.06+-0.25-0.14+-0.24Ce II
Nd II9...1.30+-0.230.02+-0.23-1.40+-0.231.38+-0.230.02+-0.23Nd II
Sm II3...1.50+-0.24-0.27+-0.23-1.23+-0.231.55+-0.24-0.27+-0.23Sm II
Eu II4...1.66+-0.23-0.61+-0.22-1.13+-0.221.65+-0.23-0.61+-0.22Eu II

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 20000 90 N/A 139.4

W.Aoki et al.,ApJ, 586, 506, 2003(ADS)

Measurement of the Europium Isotope Ratio for the Extremely Metal poor, r-Process-enhanced Star CS 31082-001


Isotopic Ratio

151Eu/153Eu 0.44+-0.1

Binary Parameters

Vrad +138.92+-0.28

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-07-30 2452121.1 SUBARUHDS 60000 110 20min +138.91+-0.30
2001-10-26 2452208.9 SUBARUHDS 60000 110 5x200min +138.92+-0.28

B.Plez et al.,AAP, 428, L9, 2004(ADS)

Lead abundance in the uranium star CS 31082-001


Stellar Parameters

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-2.9......-2.73...4.77Fe
PbN/A......-0.55+-0.15-2.59+-0.150.14+-0.15-0.55+-0.15Pb

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 80000 600 61200 N/A

S.Honda et al.,ApJS, 152, 113, 2004(ADS)

Spectroscopic Studies of Extremely Metal-Poor Stars with the Subaru High Dispersion Spectrograph. I. Observational Data


Binary Parameters

Vrad 138.91+-0.30

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-07-30 N/A SUBARUHDS 50000 100 1200 138.91+-0.30

M.Spite et al.,AAP, 455, 291, 2006(ADS)

First stars IX - Mixing in extremely metal-poor giants. Variation of the 12C/13C, [Na/Mg] and [Al/Mg] ratios


Stellar Parameters

Teff : 4825 log g : 1.5 vturb : 1.8

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-2.68+-0.05......-2.59+-0.050.32+-0.055.84+-0.05C
NN/A-3.42+-0.10......-3.33+-0.10-0.42+-0.104.50+-0.10N
FeN/A-2.91......-2.91...4.59Fe

Isotopic Ratio

12C/13C >30

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 47000 130 N/A N/A

S.M.Andrievsky et al.,AAP, 464, 1081, 2007(ADS)

NLTE determination of the sodium abundance in a homogeneous sample of extremely metal-poor stars


Stellar Parameters

Teff : 4825 log g : 1.5 vturb : 1.8

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
NaN/A-2.95-0.043.30-2.94-0.033.30Na
FeN/A-2.91......-2.91...4.59Fe

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 43000 200 N/A N/A

D.K.Lai et al.,ApJ, 667, 1185, 2007(ADS)

Carbon and Strontium Abundances of Metal-poor Stars


Stellar Parameters

Teff : 4893 log g : 1.96

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...0.30+-0.19...-2.35+-0.190.26+-0.196.08+-0.19C
FeN/A-2.78......-2.61...4.89Fe
SrN/A...0.68...-2.070.540.80Sr
BaN/A...1.22...-1.611.000.57Ba

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A KECKII 7000 N/A N/A N/A

S.M.Andrievsky et al.,AAP, 481, 481, 2008(ADS)

NLTE determination of the aluminium abundance in a homogeneous sample of extremely metal-poor stars


Stellar Parameters

Teff : 4825 log g : 1.5 vturb : 1.8

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
AlN/A-2.92-0.013.55-2.900.013.55Al
FeN/A-2.91......-2.91...4.59Fe

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 47000 120 N/A N/A

S.M.Andrievsky et al.,AAP, 494, 1083, 2009(ADS)

Evolution of the barium abundance in the early Galaxy from a NLTE analysis of the Ba lines in a homogeneous sample of EMP stars


Stellar Parameters

Teff : 4825 log g : 1.5 vturb : 1.8

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-2.91......-2.91...4.59Fe
Ba3......+0.39-1.791.12+0.39Ba

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 45000 130 N/A N/A

S.M.Andrievsky et al.,AAP, 509, A88, 2010(ADS)

Non-LTE abundances of Mg and K in extremely metal-poor stars and the evolution of [O/Mg], [Na/Mg], [Al/Mg], and [K/Mg] in the Milky Way


Stellar Parameters

Teff : 4825 log g : 1.5 vturb : 1.8

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
MgN/A......5.21-2.390.525.21Mg
KN/A......2.80-2.230.682.80K
FeN/A-2.91......-2.91...4.59Fe

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A N/A VLT 45000 120 N/A N/A

M.Spite et al.,AAP, 528, A9, 2011(ADS)

First stars. XIV. Sulfur abundances in extremely metal-poor stars


Stellar Parameters

Teff : 4825 log g : 1.5 vturb : 1.8

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
S I3......4.84+-0.10-2.28+-0.100.63+-0.104.84+-0.10S I
FeN/A-2.91......-2.91...4.59Fe

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 43000 180 N/A N/A

L.Zhang et al.,AAP, 528, A92, 2011(ADS)

The Hamburg/ESO R-process Enhanced Star survey (HERES). VI. The Galactic chemical evolution of silicon


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-2.610.175.91-2.520.265.91C
FeN/A-2.78......-2.78...4.72Fe

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 20000 N/A N/A N/A

C.J.Hansen et al.,AAP, 545, A31, 2012(ADS)

Silver and palladium help unveil the nature of a second r-process


Stellar Parameters

Teff : 4925+-100 log g : 1.51+-0.25 vturb : 1.4+-0.15

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-2.81+-0.15......-2.81+-0.15...4.69+-0.15Fe
SrN/A...0.66+-0.11...-2.15+-0.110.66+-0.110.72+-0.11Sr
YN/A...0.82+-0.16...-1.99+-0.160.82+-0.160.22+-0.16Y
ZrN/A...0.77+-0.26...-2.04+-0.260.77+-0.260.54+-0.26Zr
PdN/A...1.29+-0.19...-1.52+-0.191.29+-0.190.05+-0.19Pd
AgN/A...1.19+-0.27...-1.88+-0.270.93+-0.27-0.68+-0.27Ag
BaN/A...1.43+-0.14...-1.38+-0.141.43+-0.140.80+-0.14Ba
EuN/A...1.53+-0.31...-1.28+-0.311.53+-0.31-0.76+-0.31Eu

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 40000 >100 N/A N/A

J.Ren et al.,AAP, 537, A118, 2012(ADS)

The Hamburg/ESO R-process Enhanced Star survey (HERES). VII. Thorium abundances in metal-poor stars


Stellar Parameters

Teff : 4922 log g : 1.90 vturb : 1.88

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...0.22...-2.430.186.00C
FeN/A-2.78......-2.61...4.89Fe
EuN/A...1.66...-1.131.48-0.61Eu
ThN/A...1.69-1.00-1.061.55-1.00Th

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-10-07 N/A VLT 20000 30-50 N/A N/A

M.Spite et al.,AAP, 541, A143, 2012(ADS)

NLTE determination of the calcium abundance and 3D corrections in extremely metal-poor stars


Stellar Parameters

Teff : 4825 log g : 1.5 vturb : 1.8

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
CaN/A-2.350.56...-2.330.584.01Ca
FeN/A-2.91......-2.91...4.59Fe

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 45000 150 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 : 4650+-35 log g : 1.05+-0.14 vturb : 1.55+-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......0.77-2.490.600.77Li I
CH1...-0.10+-0.255.30-3.13-0.04+-0.255.30CH
NH1...-0.60+-0.364.20-3.63-0.54+-0.364.20NH
Na I1...0.15+-0.303.30-2.940.15+-0.303.30Na I
Mg I8...0.60+-0.165.11-2.490.60+-0.165.11Mg I
Al I1...-0.45+-0.302.91-3.54-0.45+-0.302.91Al I
Si I1...1.07+-0.215.49-2.021.07+-0.215.49Si I
Ca I9...0.48+-0.173.73-2.610.48+-0.173.73Ca I
Sc II6...-0.09+-0.150.03-3.12-0.03+-0.150.03Sc II
Ti I17...0.17+-0.142.03-2.920.17+-0.142.03Ti I
Ti II29...0.21+-0.152.14-2.810.28+-0.152.14Ti II
V I1...-0.11+-0.170.73-3.20-0.11+-0.170.73V I
V II2...0.05+-0.240.95-2.980.11+-0.240.95V II
Cr I9...-0.20+-0.142.35-3.29-0.20+-0.142.35Cr I
Cr II1...0.05+-0.172.66-2.980.11+-0.172.66Cr II
Mn I1...-0.47+-0.141.87-3.56-0.47+-0.141.87Mn I
Mn II3...-0.78+-0.211.63-3.80-0.71+-0.211.63Mn II
Fe I106-3.09+-0.15...4.41-3.09+-0.15...4.41Fe I
Fe II9-3.03+-0.16...4.47-3.03+-0.16...4.47Fe II
Co I4...-0.38+-0.281.51-3.48-0.39+-0.281.51Co I
Ni I12...0.09+-0.203.21-3.010.08+-0.203.21Ni I
Cu I1...<-0.55<0.55<-3.64<-0.55<0.55Cu I
Zn I2...0.33+-0.151.79-2.770.32+-0.151.79Zn I
Sr II2...0.67+-0.120.51-2.360.73+-0.120.51Sr II
Y II7...0.20+-0.15-0.62-2.830.26+-0.15-0.62Y II
Zr II3...0.64+-0.150.19-2.390.70+-0.150.19Zr II
Mo I1...0.84+-0.22-0.37-2.250.84+-0.22-0.37Mo I
Ru I1...1.33+-0.22-0.01-1.761.33+-0.22-0.01Ru I
Sn I1...<1.86<0.84<-1.23<1.86<0.84Sn I
Ba II4...0.92+-0.170.08-2.100.99+-0.170.08Ba II
La II4...0.95+-0.17-0.98-2.081.01+-0.17-0.98La II
Ce II5...0.78+-0.15-0.67-2.250.84+-0.15-0.67Ce II
Pr II4...1.30+-0.15-1.00-1.721.37+-0.15-1.00Pr II
Nd II5...1.16+-0.14-0.45-1.871.22+-0.14-0.45Nd II
Sm II2...1.21+-0.14-0.86-1.821.27+-0.14-0.86Sm II
Eu II4...1.37+-0.16-1.13-1.651.44+-0.16-1.13Eu II
Gd II2...1.42+-0.15-0.53-1.601.49+-0.15-0.53Gd II
Tb II3...1.35+-0.16-1.38-1.701.39+-0.16-1.38Tb II
Dy II3...1.59+-0.19-0.33-1.431.66+-0.19-0.33Dy II
Ho II2...1.35+-0.17-1.19-1.661.43+-0.17-1.19Ho II
Er II3...1.49+-0.17-0.61-1.531.56+-0.17-0.61Er II
Tm II2...1.47+-0.18-1.46-1.581.51+-0.18-1.46Tm II
Yb II1...1.38+-0.27-0.73-1.651.44+-0.27-0.73Yb II
Hf II2...1.07+-0.22-1.11-1.821.27+-0.22-1.11Hf II
Ir I2...1.80+-0.190.09-1.291.80+-0.190.09Ir I
Pb I1...<1.30<0.25<-1.79<1.30<0.25Pb I
Th II2...1.52+-0.16-1.45-1.511.58+-0.16-1.45Th II

Binary Parameters

Binarity Negative
Vrad 138.9

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2003-07-19-10:27 2452839.937 MIKELCO 41000 125-350 1800 138.9

I.U.Roederer et al.,MNRAS, 445, 2970, 2014(ADS)

Nine new metal-poor stars on the subgiant and red horizontal branches with high levels of r-process enhancement


Stellar Parameters

Teff : 4650+-151 log g : 1.05+-0.40 vturb : 1.55+-0.41

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-3.03+-0.07......-3.03+-0.07...4.47+-0.07Fe
SrN/A...+0.67+-0.12...-2.36+-0.120.67+-0.120.51+-0.12Sr
BaN/A...+0.92+-0.17...-2.11+-0.170.92+-0.170.07+-0.17Ba
EuN/A...+1.37+-0.16...-1.66+-0.161.37+-0.16-1.14+-0.16Eu
YbN/A...+1.38+-0.27...-1.65+-0.271.38+-0.27-0.73+-0.27Yb

Binary Parameters

Vrad +138.9

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2003-07-19 2452839.937 MIKELCO 41000 125-350 1800 +138.9

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


Stellar Parameters

Teff : 4827 log g : 1.65 vturb : 1.70

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
Mg4...0.46+-0.04...-2.33+-0.040.46+-0.045.27+-0.04Mg
K1...0.17+-0.10...-2.62+-0.100.17+-0.102.41+-0.10K
Ca23...0.44+-0.01...-2.35+-0.010.44+-0.013.99+-0.01Ca
Sc5...-0.03+-0.04...-2.82+-0.04-0.03+-0.040.33+-0.04Sc
Ti I14...0.20+-0.01...-2.59+-0.010.20+-0.012.36+-0.01Ti I
Ti II32...0.38+-0.01...-2.41+-0.010.38+-0.012.54+-0.01Ti II
Cr1...0.37+-0.10...-2.42+-0.100.37+-0.103.22+-0.10Cr
FeN/A-2.79......-2.79...4.71Fe
Co1...0.03+-0.10...-2.76+-0.100.03+-0.102.23+-0.10Co
Ni5...0.03+-0.05...-2.76+-0.050.03+-0.053.46+-0.05Ni
Zn1...0.15+-0.10...-2.64+-0.100.15+-0.101.92+-0.10Zn
Sr1...0.27+-0.10...-2.52+-0.100.27+-0.100.35+-0.10Sr
Y6...0.45+-0.05...-2.34+-0.050.45+-0.05-0.13+-0.05Y
Zr1...0.62+-0.10...-2.17+-0.100.62+-0.100.41+-0.10Zr
Ba3...1.22+-0.05...-1.57+-0.051.22+-0.050.61+-0.05Ba
La3...1.23+-0.05...-1.56+-0.051.23+-0.05-0.46+-0.05La
Ce6...1.04+-0.05...-1.75+-0.051.04+-0.05-0.17+-0.05Ce
Pr4...1.24+-0.06...-1.55+-0.061.24+-0.06-0.83+-0.06Pr
Nd8...1.29+-0.05...-1.50+-0.051.29+-0.05-0.08+-0.05Nd
Sm1...1.42+-0.05...-1.37+-0.051.42+-0.05-0.41+-0.05Sm
Eu4...1.72+-0.05...-1.07+-0.051.72+-0.05-0.55+-0.05Eu
Dy1...1.22+-0.10...-1.57+-0.101.22+-0.10-0.47+-0.10Dy
Os2...1.65+-0.07...-1.14+-0.071.65+-0.070.26+-0.07Os

Binary Parameters

Vrad 137.6+-0.7

Position

Right Ascension : 01 29 31.14 Declination : -16 00 45.5 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 30-106 1440 137.6+-0.7