BD+17_3248

taken from 19 paper(s):

/J.J.Cowan et al.(2002)/ /D.L.Burris et al.(2000)/ /R.Cayrel et al.(2004)/ /M.Spite et al.(2005)/ /J.A.Johnson(2002)/ /J.P.Fulbright and J. A. Johnson(2003)/ /J.J.Cowan et al.(2005)/ /M.Spite et al.(2006)/ /S.M.Andrievsky et al.(2007)/ /S.M.Andrievsky et al.(2008)/ /J.A.Johnson and M. Bolte(2002)/ /J.A.Johnson and M. Bolte(2001)/ /I.U.Roederer et al.(2009)/ /S.M.Andrievsky et al.(2009)/ /S.M.Andrievsky et al.(2010)/ /M.Spite et al.(2011)/ /P.Francois et al.(2007)/ /I.U.Roederer et al.(2012)/ /M.Spite et al.(2012)/


J.J.Cowan et al.,ApJ, 572, 861, 2002(ADS)

THE CHEMICAL COMPOSITION AND AGE OF THE METAL-POOR HALO STAR BD +173248


Stellar Parameters

Teff : 5200+-150 log g : 1.80+-0.3 vturb : 1.9+-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......0.2-3.06-1.000.2Li I
CHN/A...-0.47+-0.156.00+-0.15-2.43+-0.15-0.37+-0.156.00+-0.15CH
O I1...0.46+-0.157.30+-0.15-1.39+-0.150.67+-0.157.30+-0.15O I
Na I4...-0.05+-0.044.19+-0.04-2.05+-0.040.01+-0.044.19+-0.04Na I
Mg I3...0.41+-0.105.90+-0.10-1.70+-0.100.36+-0.105.90+-0.10Mg I
Al I1...-0.69+-0.153.69+-0.15-2.76+-0.15-0.70+-0.153.69+-0.15Al I
Si I6...0.49+-0.115.95+-0.11-1.56+-0.110.50+-0.115.95+-0.11Si I
Ca I19...0.41+-0.064.68+-0.06-1.66+-0.060.40+-0.064.68+-0.06Ca I
Sc II5...0.16+-0.051.17+-0.05-1.98+-0.050.08+-0.051.17+-0.05Sc II
Ti I13...0.33+-0.093.23+-0.09-1.72+-0.090.34+-0.093.23+-0.09Ti I
Ti II19...0.37+-0.133.27+-0.13-1.68+-0.130.38+-0.133.27+-0.13Ti II
V I2...-0.05+-0.011.86+-0.01-2.07+-0.01-0.01+-0.011.86+-0.01V I
Cr I5...-0.13+-0.063.45+-0.06-2.19+-0.06-0.13+-0.063.45+-0.06Cr I
Cr II4...0.11+-0.093.69+-0.09-1.95+-0.090.11+-0.093.69+-0.09Cr II
Mn I2...-0.28+-0.153.02+-0.15-2.41+-0.15-0.35+-0.153.02+-0.15Mn I
Fe I139-2.08+-0.08...5.44+-0.08-2.06+-0.08...5.44+-0.08Fe I
Fe II24-2.10+-0.09...5.42+-0.09-2.08+-0.09...5.42+-0.09Fe II
Co I1...0.09+-0.152.92+-0.15-2.07+-0.15-0.01+-0.152.92+-0.15Co I
Ni I4...-0.06+-0.164.10+-0.16-2.12+-0.16-0.06+-0.164.10+-0.16Ni I
Cu I1...-0.81+-0.151.31+-0.15-2.88+-0.15-0.82+-0.151.31+-0.15Cu I
Zn I1...0.07+-0.152.58+-0.15-1.98+-0.150.08+-0.152.58+-0.15Zn I
Ge I1...-0.72+-0.150.60+-0.15-3.05+-0.15-0.99+-0.150.60+-0.15Ge I
Sr I1...0.09+-0.150.90+-0.15-1.97+-0.150.09+-0.150.90+-0.15Sr I
Sr II2...0.29+-0.101.10+-0.10-1.77+-0.100.29+-0.101.10+-0.10Sr II
Y II11...-0.11+-0.050.04+-0.05-2.17+-0.05-0.11+-0.050.04+-0.05Y II
Zr II19...0.25+-0.140.76+-0.14-1.82+-0.140.24+-0.140.76+-0.14Zr II
Nb II1...0.49+-0.15-0.18+-0.15-1.64+-0.150.42+-0.15-0.18+-0.15Nb II
Pd I3...0.64+-0.090.24+-0.09-1.33+-0.090.73+-0.090.24+-0.09Pd I
Ag I2...0.57+-0.11-0.28+-0.11-1.48+-0.110.58+-0.11-0.28+-0.11Ag I
Ba II6...0.40+-0.110.44+-0.11-1.74+-0.110.32+-0.110.44+-0.11Ba II
La II15...0.45+-0.05-0.42+-0.05-1.52+-0.050.54+-0.05-0.42+-0.05La II
Ce II22...0.36+-0.06-0.18+-0.06-1.76+-0.060.30+-0.06-0.18+-0.06Ce II
Pr II9...0.67+-0.05-0.71+-0.05-1.43+-0.050.63+-0.05-0.71+-0.05Pr II
Nd II40...0.52+-0.17-0.07+-0.17-1.49+-0.170.57+-0.17-0.07+-0.17Nd II
Sm II17...0.67+-0.14-0.42+-0.14-1.38+-0.140.68+-0.14-0.42+-0.14Sm II
Eu II9...0.91+-0.05-0.67+-0.05-1.19+-0.050.87+-0.05-0.67+-0.05Eu II
Gd II15...0.71+-0.09-0.26+-0.09-1.33+-0.090.73+-0.09-0.26+-0.09Gd II
Tb II5...0.85+-0.05-0.91+-0.05-1.23+-0.050.83+-0.05-0.91+-0.05Tb II
Dy II19...0.96+-0.07-0.03+-0.07-1.13+-0.070.93+-0.07-0.03+-0.07Dy II
Ho II3...0.89+-0.17-0.70+-0.17-1.17+-0.170.89+-0.17-0.70+-0.17Ho II
Er II7...0.96+-0.06-0.20+-0.06-1.12+-0.060.94+-0.06-0.20+-0.06Er II
Tm II2...0.89+-0.10-1.07+-0.10-1.19+-0.100.87+-0.10-1.07+-0.10Tm II
Os I2...1.1+-0.100.45+-0.10-0.95+-0.101.11+-0.100.45+-0.10Os I
Ir I3...1.09+-0.130.30+-0.13-1.08+-0.130.98+-0.130.30+-0.13Ir I
Pt I5...0.96+-0.070.67+-0.07-0.95+-0.071.11+-0.070.67+-0.07Pt I
Au I1...0.8+-0.30-0.3+-0.30-1.10+-0.300.96+-0.30-0.3+-0.30Au I
Pb I2...<0.5+-0.25<0.3+-0.25<-1.74+-0.25<0.32+-0.25<0.3+-0.25Pb I
Th II2...0.79+-0.10-1.18+-0.10-1.24+-0.100.82+-0.10-1.18+-0.10Th II
U II1...0.0+-0.30-2.0+-0.30-1.46+-0.300.60+-0.30-2.0+-0.30U II

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 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 HST 30000 >50 10800 N/A
N/A KECKHIRES 45000 30-300 N/A N/A
N/A MCDONALD 60000 130-250 N/A N/A

D.L.Burris et al.,ApJ, 544, 302, 2000(ADS)

NEUTRON-CAPTURE ELEMENTS IN THE EARLY GALAXY: INSIGHTS FROM A LARGE SAMPLE OF METAL-POOR GIANTS


Stellar Parameters

Teff : 5250 log g : 2.30 vturb : 1.50

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-2.02......-1.85...5.65Fe
SrN/A...0.551.43-1.440.411.43Sr
YN/A...0.060.28-1.93-0.080.28Y
ZrN/A...0.501.08-1.500.351.08Zr
BaN/A...0.971.08-1.100.751.08Ba
LaN/A...0.60-0.20-1.300.55-0.20La
NdN/A...0.880.36-1.060.790.36Nd
EuN/A...0.96-0.55-1.070.78-0.55Eu
DyN/A...0.960.04-1.060.790.04Dy

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 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 MAYALLKPNO 20000 100-200 N/A 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 : 5250 log g : 1.4 vturb : 1.5

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-2.50-0.446.02-2.41-0.376.02CH
CNN/A-1.500.576.42-1.410.636.42CN
[O I]N/A-1.380.697.39-1.300.747.39[O I]
Na I2-1.380.694.95-1.290.754.95Na I
Mg I7-1.88+-0.100.19+-0.105.70+-0.10-1.90+-0.100.14+-0.105.70+-0.10Mg I
Al I2-2.77-0.713.70-2.75-0.713.70Al I
Si I2-1.550.526.00-1.510.536.00Si I
K I2-1.240.823.88-1.150.893.88K I
Ca I14-1.67+-0.080.40+-0.084.69+-0.08-1.65+-0.080.39+-0.084.69+-0.08Ca I
Sc II6-1.87+-0.160.20+-0.161.30+-0.16-1.85+-0.160.19+-0.161.30+-0.16Sc II
Ti I12-1.84+-0.080.23+-0.083.18+-0.08-1.77+-0.080.27+-0.083.18+-0.08Ti I
Ti II29-1.74+-0.170.33+-0.173.28+-0.17-1.67+-0.170.37+-0.173.28+-0.17Ti II
Cr I6-2.28+-0.20-0.22+-0.203.39+-0.20-2.25+-0.20-0.21+-0.203.39+-0.20Cr I
Mn I3-2.53+-0.02-0.47+-0.022.86+-0.02-2.57+-0.02-0.53+-0.022.86+-0.02Mn I
Fe I141-2.04+-0.150.02+-0.155.46+-0.15-2.04+-0.150.02+-0.155.46+-0.15Fe I
Fe II16-2.09+-0.09-0.03+-0.095.41+-0.09-2.09+-0.09-0.03+-0.095.41+-0.09Fe II
Co I2-1.710.363.21-1.780.263.21Co I
Ni I3-2.06+-0.080.00+-0.084.19+-0.08-2.03+-0.080.01+-0.084.19+-0.08Ni I
Zn I1-2.060.002.54-2.020.022.54Zn I

Binary Parameters

Binarity Unknown

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-10 N/A VLT 47000 160 2700 N/A
2001-06 N/A VLT N/A N/A N/A N/A
2001-09 N/A VLT N/A N/A N/A N/A

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 : 5250 log g : 1.4 vturb : 1.5

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......<0.00<-3.26<-1.19<0.00Li I
CN/A-2.44+-0.05......-2.35+-0.05-0.28+-0.056.08+-0.05C
NN/A-1.42......-1.330.746.50N
[O I]N/A-1.38......-1.240.837.45[O I]
FeN/A-2.07......-2.07...5.43Fe

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 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 VLT 47000 30 N/A N/A

J.A.Johnson et al.,ApJS, 139, 219, 2002(ADS)

ABUNDANCES OF 30 ELEMENTS IN 23 METAL-POOR STARS


Stellar Parameters

Teff : 5200 log g : 1.80 vturb : 1.90

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
Na I2......4.76+-0.21-1.48+-0.210.61+-0.214.76+-0.21Na I
Mg I5......6.10+-0.11-1.50+-0.110.59+-0.116.10+-0.11Mg I
Al I1......3.71+-0.25-2.74+-0.25-0.65+-0.253.71+-0.25Al I
Si I1......5.72+-0.23-1.79+-0.230.30+-0.235.72+-0.23Si I
Ca I21......4.65+-0.08-1.69+-0.080.40+-0.084.65+-0.08Ca I
Sc II10......1.17+-0.16-1.98+-0.160.11+-0.161.17+-0.16Sc II
Ti I19......3.13+-0.11-1.82+-0.110.27+-0.113.13+-0.11Ti I
Ti II16......3.20+-0.16-1.75+-0.160.34+-0.163.20+-0.16Ti II
V I3......1.79+-0.12-2.14+-0.12-0.05+-0.121.79+-0.12V I
V II1......2.10+-0.17-1.83+-0.170.26+-0.172.10+-0.17V II
Cr I12......3.49+-0.11-2.15+-0.11-0.06+-0.113.49+-0.11Cr I
Cr II2......3.79+-0.11-1.85+-0.110.24+-0.113.79+-0.11Cr II
Mn I4......3.01+-0.10-2.42+-0.10-0.33+-0.103.01+-0.10Mn I
Fe I139......5.41+-0.13-2.09+-0.13...5.41+-0.13Fe I
Fe II22......5.41+-0.14-2.09+-0.14...5.41+-0.14Fe II
Co I4......2.96+-0.21-2.03+-0.210.06+-0.212.96+-0.21Co I
Ni I8......4.19+-0.13-2.03+-0.130.06+-0.134.19+-0.13Ni I
Zn I1......2.55+-0.09-2.01+-0.090.08+-0.092.55+-0.09Zn I
Y II5......0.10+-0.16-2.11+-0.16-0.02+-0.160.10+-0.16Y II
Zr II1......0.75+-0.18-1.83+-0.180.26+-0.180.75+-0.18Zr II
Ba II4......0.51+-0.26-1.67+-0.260.42+-0.260.51+-0.26Ba II
La II3......-0.53+-0.14-1.63+-0.140.46+-0.14-0.53+-0.14La II
Ce II2......-0.21+-0.14-1.79+-0.140.30+-0.14-0.21+-0.14Ce II
Nd II8......-0.06+-0.16-1.48+-0.160.61+-0.16-0.06+-0.16Nd II
Sm II4......-0.26+-0.16-1.22+-0.160.87+-0.16-0.26+-0.16Sm II
Eu II1......-0.80+-0.24-1.32+-0.240.77+-0.24-0.80+-0.24Eu II
Tb IIN/A......<1.32<1.00<3.09<1.32Tb II
Dy II2......-0.13+-0.20-1.23+-0.200.86+-0.20-0.13+-0.20Dy II
Os IN/A......<0.84<-0.56<1.53<0.84Os I

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1998-08-12 N/A LICKHAMILTON 60000 80 1800 N/A

J.P.Fulbright et al.,ApJ, 595, 1154, 2003(ADS)

Oxygen Abundances in Metal-poor Stars


Stellar Parameters

Teff : 5025 log g : 2.23 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
O IN/A...0.55+-0.17.21+-0.13-1.48+-0.130.53+-0.17.21+-0.13O I
FeN/A-2.03......-2.01...5.49Fe
Fe IN/A......5.27+-0.06-2.23+-0.06...5.27+-0.06Fe I
Fe IIN/A......5.49+-0.03-2.01+-0.03...5.49+-0.03Fe II

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-04-05 N/A GECKOCFHT 130000 300 1800 N/A
2001-09-30 N/A GECKOCFHT 130000 N/A 1800 N/A

J.J.Cowan et al.,ApJ, 627, 238, 2005(ADS)

Hubble Space Telescope Observations of Heavy Elements in Metal-Poor Galactic Halo Stars


Stellar Parameters

Teff : 5200 log g : 1.80 vturb : 1.90

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 IN/A-2.08......-2.11...5.39Fe I
Fe IIN/A-2.10......-2.13...5.37Fe II
GeN/A...-1.06+0.46-3.19-1.08+0.46Ge
ZrN/A...+0.14+0.64-1.940.17+0.64Zr
LaN/A...+0.52-0.42-1.520.59-0.42La
EuN/A...+0.91-0.67-1.190.92-0.67Eu
OsN/A...+1.04+0.37-1.031.08+0.37Os
IrN/A...+0.95+0.23-1.150.96+0.23Ir
PtN/A...+0.88+0.50-1.120.99+0.50Pt

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 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 HST 30000 >50 N/A N/A
N/A KECKHIRES 45000 30-200 N/A N/A

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 : 5250 log g : 1.4 vturb : 1.5

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-2.40+-0.05......-2.31+-0.05-0.24+-0.056.12+-0.05C
NN/A-1.42+-0.10......-1.33+-0.100.74+-0.106.50+-0.10N
FeN/A-2.07......-2.07...5.43Fe

Isotopic Ratio

12C/13C 10+-5

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 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 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 : 5250 log g : 1.4 vturb : 1.5

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-1.81+0.264.44-1.800.274.44Na
FeN/A-2.07......-2.07...5.43Fe

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 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 VLT 43000 200 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 : 5250 log g : 1.4 vturb : 1.5

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-1.970.14.5-1.950.124.5Al
FeN/A-2.07......-2.07...5.43Fe

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 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 VLT 47000 120 N/A N/A

J.A.Johnson et al.,ApJ, 579, 616, 2002(ADS)

The r-Process in the Early Galaxy


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-2.10......-1.93...5.57Fe
Sr IIN/A......0.94+-0.30-1.93+-0.30-0.00+-0.300.94+-0.30Sr II
Y IIN/A......0.10+-0.16-2.11+-0.16-0.18+-0.160.10+-0.16Y II
Zr IIN/A......0.75+-0.18-1.83+-0.180.10+-0.180.75+-0.18Zr II
Ba IIN/A......0.51+-0.14-1.67+-0.140.26+-0.140.51+-0.14Ba II

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1998-08-12 N/A LICKHAMILTON 60000 80 1800 N/A

J.A.Johnson et al.,ApJ, 554, 888, 2001(ADS)

Th Ages for Metal-poor Stars


Stellar Parameters

Teff : 5200 log g : 1.80 vturb : 1.90

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 I139-2.11+-0.13......-1.94+-0.13...5.56+-0.13Fe I
Fe II22-2.11+-0.14......-1.94+-0.14...5.56+-0.14Fe II
Ba II4...0.49+-0.26...-1.67+-0.260.27+-0.260.51+-0.26Ba II
La II3...0.36+-0.14...-1.63+-0.140.31+-0.14-0.53+-0.14La II
Ce II2...0.35+-0.14...-1.73+-0.140.21+-0.14-0.15+-0.14Ce II
Nd II8...0.55+-0.16...-1.48+-0.160.46+-0.16-0.06+-0.16Nd II
Sm II4...0.85+-0.16...-1.22+-0.160.72+-0.16-0.26+-0.16Sm II
Eu II1...0.80+-0.24...-1.32+-0.240.62+-0.24-0.80+-0.24Eu II
Tb IIN/A...<1.32...<-0.78<1.16<-0.46Tb II
Dy II2...0.88+-0.20...-1.23+-0.200.71+-0.20-0.13+-0.20Dy II
Os IN/A...<1.50...<-0.56<1.38<0.84Os I

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1998-08-12 N/A LICKHAMILTON 60000 80 1800 N/A

I.U.Roederer et al.,ApJ, 698, 1963, 2009(ADS)

The End of Nucleosynthesis: Production of Lead and Thorium in the Early Galaxy


Stellar Parameters

Teff : 5200 log g : 1.80 vturb : 1.90

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-2.08......-2.08...5.42Fe
La IIN/A......-0.55+-0.05-1.65+-0.050.43+-0.05-0.55+-0.05La II
Eu IIN/A......-0.78+-0.05-1.30+-0.050.78+-0.05-0.78+-0.05Eu II
Er IIN/A......-0.34+-0.07-1.26+-0.070.82+-0.07-0.34+-0.07Er II
Hf IIN/A......-0.73+-0.11-1.44+-0.110.64+-0.11-0.73+-0.11Hf II
Ir IN/A......+0.12+-0.16-1.26+-0.160.82+-0.16+0.12+-0.16Ir I
Pb IN/A......<+0.27<-1.77<0.31<+0.27Pb I
Th IIN/A......-1.26+-0.10-1.32+-0.100.76+-0.10-1.26+-0.10Th II

Isotopic Ratio

12C/13C 6+-3

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 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 HST 30000 50 N/A N/A
N/A KECKHIRES 45000 30-200 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 : 5250 log g : 1.4 vturb : 1.5

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-2.07......-2.07...5.43Fe
Ba3......+0.75-1.430.64+0.75Ba

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 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 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 : 5250 log g : 1.4 vturb : 1.5

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......6.00-1.600.476.00Mg
KN/A......3.77-1.260.813.77K
FeN/A-2.07......-2.07...5.43Fe

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 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 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 : 5250 log g : 1.4 vturb : 1.5

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 I2......5.57+-0.10-1.55+-0.100.52+-0.105.57+-0.10S I
FeN/A-2.07......-2.07...5.43Fe

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 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 VLT 43000 180 N/A N/A

P.Francois et al.,AAP, 476, 935, 2007(ADS)

First stars. VIII. Enrichment of the neutron-capture elements in the early Galaxy


Stellar Parameters

Teff : 5250 log g : 1.4 vturb : 1.5

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-2.07......-2.07...5.43Fe
Sr3...+0.05...-1.970.100.90Sr
Y3...-0.02...-2.060.010.15Y
Zr5...+0.53...-1.520.551.06Zr
Ba2...+0.69...-1.430.640.75Ba
La5...+0.66...-1.340.73-0.24La
Ce2...+0.49...-1.580.490.00Ce
Pr1...+0.66...-1.420.65-0.70Pr
Nd2...+0.69...-1.300.770.12Nd
Sm2...+0.74...-1.280.79-0.32Sm
Eu3...+0.93...-1.150.92-0.63Eu
Gd1...+0.90...-1.120.95-0.05Gd
Dy2...+1.01...-1.021.050.08Dy
Ho1...+0.91...-1.370.70-0.90Ho
Er2...+1.24...-0.821.250.10Er

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 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 VLT 47000 >50 N/A N/A

I.U.Roederer et al.,ApJ, 747, L8, 2012(ADS)

Detection of the Second r-process Peak Element Tellurium in Metal-poor Stars


Stellar Parameters

Teff : 5200 log g : 1.80 vturb : 1.90

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 IN/A-2.08......-2.08...5.42Fe I
TeN/A...+0.60+-0.30+0.70+-0.30-1.48+-0.300.60+-0.30+0.70+-0.30Te

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 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 N/A HST 30000 100 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 : 5250 log g : 1.4 vturb : 1.5

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-1.620.45...-1.600.474.74Ca
FeN/A-2.07......-2.07...5.43Fe

Position

Right Ascension : 17 28 14.47 Declination : +17 30 35.9 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 VLT 45000 150 N/A N/A