CS31062-050

taken from 7 paper(s):

/W.Aoki et al.(2002)/ /D.K.Lai et al.(2004)/ /W.Aoki et al.(2002)/ /J.A.Johnson and M. Bolte(2004)/ /W.Aoki et al.(2003)/ /W.Aoki et al.(2006)/ /D.K.Lai et al.(2007)/

W.Aoki et al.,ApJ, 580, 1149, 2002(ADS)

A SUBARU/HIGH DISPERSION SPECTROGRAPH STUDY OF LEAD (Pb) ABUNDANCES IN EIGHT s-PROCESS ELEMENT–RICH, METAL-POOR STARS


Stellar Parameters

Teff : 5600 log g : 3.0 vturb : 1.3

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
Fe I26-2.31+-0.14...5.19+-0.14-2.31+-0.14...5.19+-0.14Fe I
Fe II3-2.33+-0.16...5.17+-0.16-2.33+-0.16...5.17+-0.16Fe II
Sr II2...0.91+-0.181.51+-0.18-1.36+-0.180.95+-0.181.51+-0.18Sr II
Zr II2...1.02+-0.161.31+-0.16-1.27+-0.161.04+-0.161.31+-0.16Zr II
Ba II2...2.30+-0.152.21+-0.150.03+-0.152.34+-0.152.21+-0.15Ba II
La II4...2.44+-0.201.34+-0.200.24+-0.202.55+-0.201.34+-0.20La II
Ce II22...2.10+-0.121.41+-0.12-0.17+-0.122.14+-0.121.41+-0.12Ce II
Nd II15...2.24+-0.121.41+-0.12-0.01+-0.122.30+-0.121.41+-0.12Nd II
Sm II8...2.15+-0.160.81+-0.16-0.15+-0.162.16+-0.160.81+-0.16Sm II
Eu II3...1.84+-0.130.07+-0.13-0.45+-0.131.86+-0.130.07+-0.13Eu II
Dy II1...2.08+-0.170.93+-0.17-0.17+-0.172.14+-0.170.93+-0.17Dy II
Pb II2...2.9+-0.242.6+-0.240.56+-0.242.87+-0.242.6+-0.24Pb II

Position

Right Ascension : 00 30 31.07 Declination : -12 05 10.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-07Y-25 2452117 SUBARUHDS 50000 47 50*2 7.75+-0.67

D.K.Lai et al.,AJ, 128, 2402, 2004(ADS)

ABUNDANCES OF EXTREMELY METAL-POOR STAR CANDIDATES


Stellar Parameters

Teff : 5313 log g : 3.08

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
Mg IN/A...0.94...-1.730.925.87Mg I
Ca IN/A...0.44...-2.190.464.15Ca I
Ti IIN/A...0.92...-1.660.993.29Ti II
Cr IN/A...-0.01...-2.630.023.01Cr I
Fe IN/A-2.65......-2.65...4.85Fe I
Ba IIN/A...2.37...-0.332.321.85Ba II

Binary Parameters

Vrad 9

Position

Right Ascension : 00 30 31.07 Declination : -12 05 10.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-08-08 N/A KECKII 7000 150 900 N/A

W.Aoki et al.,PASJ, 54, 933, 2002(ADS)

Subaru/HDS Study of the Extremely Metal-Poor Star CS 29498-043: Abundance Analysis Details and Comparison with Other Carbon-Rich Objects


Stellar Parameters

Teff : 5600 log g : 3.0 vturb : 1.3

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...+2.0+-0.24...-0.19+-0.242.12+-0.248.24+-0.24C
NN/A...+1.2+-0.37...-0.97+-0.371.34+-0.376.86+-0.37N
Mg I3...+0.60+-0.21...-1.73+-0.210.58+-0.215.87+-0.21Mg I
Al I1...-0.38+-0.21...-2.67+-0.21-0.36+-0.213.78+-0.21Al I
Ca I2...+0.85+-0.16...-1.44+-0.160.87+-0.164.90+-0.16Ca I
Ti I3...+0.42+-0.14...-1.82+-0.140.49+-0.143.13+-0.14Ti I
Ti II7...+0.52+-0.22...-1.72+-0.220.59+-0.223.23+-0.22Ti II
Cr I1...-0.02+-0.16...-2.30+-0.160.01+-0.163.34+-0.16Cr I
Mn I2...-0.21+-0.39...-2.56+-0.39-0.25+-0.392.87+-0.39Mn I
Fe I26-2.31+-0.14......-2.31+-0.14...5.19+-0.14Fe I
Fe II3-2.33+-0.16......-2.33+-0.16...5.17+-0.16Fe II
Sr II2...+0.91+-0.18...-1.30+-0.181.01+-0.181.57+-0.18Sr II
Ba II2...+2.30+-0.15...-0.06+-0.152.25+-0.152.12+-0.15Ba II

Isotopic Ratio

12C/13C 8+-2

Binary Parameters

Vrad +7.75+-0.67

Position

Right Ascension : 00 30 31.07 Declination : -12 05 10.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2452117 SUBARUHDS 50000 N/A N/A +7.75+-0.67

J.A.Johnson et al.,ApJ, 605, 462, 2004(ADS)

The s-Process in Metal-Poor Stars: Abundances for 22 Neutron-Capture Elements in CS 31062-050


Stellar Parameters

Teff : 5500 log g : 2.70 vturb : 1.3

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
Mg I1...0.84+-0.216.01+-0.21-1.59+-0.210.82+-0.216.01+-0.21Mg I
Ca I2...0.49+-0.094.43+-0.09-1.91+-0.090.50+-0.094.43+-0.09Ca I
Ti I9...0.32+-0.132.85+-0.13-2.10+-0.130.31+-0.132.85+-0.13Ti I
Ti II4...0.33+-0.232.86+-0.23-2.09+-0.230.32+-0.232.86+-0.23Ti II
V II2...-0.17+-0.181.44+-0.18-2.49+-0.18-0.08+-0.181.44+-0.18V II
Cr I3...0.08+-0.153.36+-0.15-2.28+-0.150.13+-0.153.36+-0.15Cr I
Mn I4...-0.43+-0.122.69+-0.12-2.74+-0.12-0.33+-0.122.69+-0.12Mn I
Fe I46-2.41+-0.13...5.09+-0.13-2.41+-0.13...5.09+-0.13Fe I
Fe II10-2.40+-0.15...5.10+-0.15-2.40+-0.15...5.10+-0.15Fe II
Co I1...0.10+-0.232.60+-0.23-2.39+-0.230.02+-0.232.60+-0.23Co I
Ni I11...-0.16+-0.213.68+-0.21-2.54+-0.21-0.13+-0.213.68+-0.21Ni I
Cu I2...-1.19+-0.180.69+-0.18-3.50+-0.18-1.09+-0.180.69+-0.18Cu I
Zn I1...0.06+-0.232.32+-0.23-2.24+-0.230.17+-0.232.32+-0.23Zn I
Y II14...0.48+-0.220.30+-0.22-1.91+-0.220.50+-0.220.30+-0.22Y II
Zr II9...0.85+-0.191.05+-0.19-1.53+-0.190.88+-0.191.05+-0.19Zr II
Pd I1...0.98+-0.240.27+-0.24-1.30+-0.241.11+-0.240.27+-0.24Pd I
Ba II3...2.80+-0.192.61+-0.190.43+-0.192.84+-0.192.61+-0.19Ba II
La II25...2.12+-0.190.93+-0.19-0.17+-0.192.24+-0.190.93+-0.19La II
Ce II36...2.02+-0.181.24+-0.18-0.34+-0.182.07+-0.181.24+-0.18Ce II
Pr II10...1.74+-0.160.13+-0.16-0.59+-0.161.82+-0.160.13+-0.16Pr II
Nd II39...1.99+-0.221.07+-0.22-0.35+-0.222.06+-0.221.07+-0.22Nd II
Sm II12...1.96+-0.180.53+-0.18-0.43+-0.181.98+-0.180.53+-0.18Sm II
Eu II5...1.79+-0.17-0.07+-0.17-0.59+-0.171.82+-0.17-0.07+-0.17Eu II
Gd II24...1.83+-0.190.51+-0.19-0.56+-0.191.85+-0.190.51+-0.19Gd II
Tb II4...1.50+-0.16-0.56+-0.16-0.88+-0.161.53+-0.16-0.56+-0.16Tb II
Dy II20...1.63+-0.230.39+-0.23-0.71+-0.231.70+-0.230.39+-0.23Dy II
Ho II3...1.55+-0.18-0.40+-0.18-0.87+-0.181.54+-0.18-0.40+-0.18Ho II
Er II15...2.22+-0.260.78+-0.26-0.14+-0.262.27+-0.260.78+-0.26Er II
Tm II4...1.97+-0.19-0.29+-0.19-0.41+-0.192.00+-0.19-0.29+-0.19Tm II
Yb II1...2.21+-0.300.76+-0.30-0.16+-0.302.25+-0.300.76+-0.30Yb II
Lu II1...2.18+-0.26-0.10+-0.26-0.19+-0.262.22+-0.26-0.10+-0.26Lu II
Hf II11...2.33+-0.200.67+-0.20-0.04+-0.202.37+-0.200.67+-0.20Hf II
Pb I2...2.81+-0.152.46+-0.150.42+-0.152.83+-0.152.46+-0.15Pb I

Position

Right Ascension : 00 30 31.07 Declination : -12 05 10.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-08-25 N/A KECKHIRES 45000 10-100 1800x3 N/A
2001-08-26 N/A KECKHIRES 45000 0-100 1800x3 N/A
2000-08-29 N/A KECKII 7000 >100 900 N/A

W.Aoki et al.,ApJ, 592, L67, 2003(ADS)

Europium Isotope Ratios in s-Process Element-enhanced Metal-poor Stars: A New Probe of the 151Sm Branching


Stellar Parameters

Teff : 5600 log g : 3.0 vturb : 1.3

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
Eu IIN/A......0.04-0.48...0.04Eu II

Isotopic Ratio

151Eu/153Eu 0.55+-0.05

Binary Parameters

Binarity Positive

Position

Right Ascension : 00 30 31.07 Declination : -12 05 10.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2002-08-23 2452510 SUBARUHDS 90000 124 390 11.51+-0.17

W.Aoki et al.,ApJ, 650, L127, 2006(ADS)

Carbon-enhanced Metal-poor Stars: Osmium and Iridium Abundances in the Neutron-Capture-enhanced Subgiants CS 31062-050 and LP 625-44


Stellar Parameters

Teff : 5500 log g : 2.7

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-2.3......-2.30...5.20Fe
BaN/A...+2.60+-0.22.35+-0.20.17+-0.22.47+-0.22.35+-0.2Ba
LaN/A...+2.24+-0.060.95+-0.06-0.15+-0.062.15+-0.060.95+-0.06La
EuN/A...+1.91+-0.050.01+-0.05-0.51+-0.051.79+-0.050.01+-0.05Eu
YbN/A...+1.8+-0.30.5+-0.3-0.42+-0.31.88+-0.30.5+-0.3Yb
HfN/A...+2.21+-0.10.67+-0.1-0.04+-0.12.26+-0.10.67+-0.1Hf
OsN/A...+1.72+-0.20.75+-0.2-0.65+-0.21.65+-0.20.75+-0.2Os
IrN/A...+1.39+-0.20.35+-0.2-1.03+-0.21.27+-0.20.35+-0.2Ir
PbN/A...+2.87+-0.12.45+-0.10.41+-0.12.71+-0.12.45+-0.1Pb

Position

Right Ascension : 00 30 31.07 Declination : -12 05 10.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2002-08-00 N/A SUBARUHDS 90000 N/A 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 : 5313 log g : 3.08

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...1.70+-0.26...-0.82+-0.261.66+-0.267.61+-0.26C
FeN/A-2.65......-2.48...5.02Fe
SrN/A...1.40...-1.221.261.65Sr
BaN/A...2.37...-0.332.151.85Ba

Position

Right Ascension : 00 30 31.07 Declination : -12 05 10.9 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