HD6268

taken from 13 paper(s):

/D.L.Burris et al.(2000)/ /S.Honda et al.(2004)/ /A.McWilliam et al.(1995)/ /A.McWilliam et al.(1995)/ /J.Melendez and B. Barbuy(2002)/ /J.P.Fulbright and J. A. Johnson(2003)/ /J.J.Cowan et al.(2005)/ /W.Aoki et al.(2003)/ /S.Honda et al.(2004)/ /Y.Saito et al.(2009)/ /I.U.Roederer et al.(2009)/ /I.U.Roederer et al.(2014)/ /K.A.Venn et al.(2004)/

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 : 4700 log g : 1.60 vturb : 1.60

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-2.36......-2.19...5.31Fe
SrN/A...0.080.62-2.25-0.060.62Sr
YN/A...-0.18-0.30-2.51-0.32-0.30Y
ZrN/A...0.320.56-2.020.170.56Zr
BaN/A...0.500.27-1.910.280.27Ba
LaN/A...0.21-0.93-2.030.16-0.93La
NdN/A...0.39-0.47-1.890.30-0.47Nd
EuN/A...0.52-1.33-1.850.34-1.33Eu
DyN/A...0.68-0.58-1.680.51-0.58Dy

Position

Right Ascension : 01 03 18.17 Declination : -27 52 50.0 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

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 : 4600 log g : 1.0 vturb : 2.1

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...-0.675.26-3.17-0.555.26CH
Mg I4...0.49+-0.255.44+-0.25-2.16+-0.250.46+-0.255.44+-0.25Mg I
Al I1...-0.57+-0.173.27+-0.17-3.18+-0.17-0.56+-0.173.27+-0.17Al I
Si I1...0.54+-0.175.46+-0.17-2.05+-0.170.57+-0.175.46+-0.17Si I
Ca I3...0.36+-0.114.09+-0.11-2.25+-0.110.37+-0.114.09+-0.11Ca I
Sc II3...-0.03+-0.030.51+-0.03-2.64+-0.03-0.02+-0.030.51+-0.03Sc II
Ti12...0.23+-0.12.62+-0.1-2.33+-0.10.29+-0.12.62+-0.1Ti
V3...0.05+-0.221.42+-0.22-2.51+-0.220.11+-0.221.42+-0.22V
Cr2...0.16+-0.173.2+-0.17-2.44+-0.170.18+-0.173.2+-0.17Cr
Mn I6...-0.27+-0.172.49+-0.17-2.94+-0.17-0.32+-0.172.49+-0.17Mn I
Fe82-2.63+-0.11...4.88+-0.11-2.62+-0.11...4.88+-0.11Fe
Co I2...0.19+-0.172.48+-0.17-2.51+-0.170.11+-0.172.48+-0.17Co I
Ni I2...-0.22+-0.173.4+-0.17-2.82+-0.17-0.20+-0.173.4+-0.17Ni I
Sr II3...0.07+-0.330.36+-0.33-2.51+-0.330.11+-0.330.36+-0.33Sr II
Y II8...-0.17+-0.06-0.57+-0.06-2.78+-0.06-0.16+-0.06-0.57+-0.06Y II
Zr II4...0.12+-0.20.1+-0.2-2.48+-0.20.14+-0.20.1+-0.2Zr II
Pd I1...-0.05+-0.17-0.98+-0.17-2.55+-0.170.07+-0.17-0.98+-0.17Pd I
Ba II2...-0.04+-0.17-0.45+-0.17-2.63+-0.17-0.01+-0.17-0.45+-0.17Ba II
La II5...0.09+-0.05-1.32+-0.05-2.42+-0.050.20+-0.05-1.32+-0.05La II
Ce II8...0.12+-0.11-0.88+-0.11-2.46+-0.110.16+-0.11-0.88+-0.11Ce II
Pr II2...0.29+-0.17-1.54+-0.17-2.26+-0.170.36+-0.17-1.54+-0.17Pr II
Nd II8...0.25+-0.08-0.89+-0.08-2.31+-0.080.31+-0.08-0.89+-0.08Nd II
Sm II3...0.38+-0.21-1.27+-0.21-2.23+-0.210.39+-0.21-1.27+-0.21Sm II
Eu II3...0.52+-0.03-1.56+-0.03-2.08+-0.030.54+-0.03-1.56+-0.03Eu II
Gd II2...0.53+-0.17-1.01+-0.17-2.08+-0.170.54+-0.17-1.01+-0.17Gd II
Tb II1...0.13+-0.17-2.15+-0.17-2.47+-0.170.15+-0.17-2.15+-0.17Tb II
Dy II5...0.46+-0.14-1+-0.14-2.10+-0.140.52+-0.14-1+-0.14Dy II
Er II3...0.46+-0.13-1.2+-0.13-2.12+-0.130.50+-0.13-1.2+-0.13Er II
Tm II3...0.26+-0.07-2.22+-0.07-2.34+-0.070.28+-0.07-2.22+-0.07Tm II
Yb II1...0.34+-0.17-1.33+-0.17-2.25+-0.170.37+-0.17-1.33+-0.17Yb II
Ir I1...0.39+-0.17-0.87+-0.17-2.25+-0.170.37+-0.17-0.87+-0.17Ir I
Th II1...0.61+-0.1-1.93+-0.1-1.99+-0.10.63+-0.1-1.93+-0.1Th II
U II1...<0.50<-2.63<-2.09<0.53<-2.63U II

Isotopic Ratio

12C/13C 4

Position

Right Ascension : 01 03 18.17 Declination : -27 52 50.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-08-18 N/A SUBARUHDS 90000 158 1800 39.20+-0.27

A.McWilliam et al.,AJ, 109, 2736, 1995(ADS)

A Spectroscopic Analysis of 33 of the Most Metal-Poor Stars.I.


Position

Right Ascension : 01 03 18.17 Declination : -27 52 50.0 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 FRUTTI 22000 N/A N/A N/A

A.McWilliam et al.,AJ, 109, 2757, 1995(ADS)

Spectroscopic Analysis of 33 of the Most Metal Poor Stars. II.


Stellar Parameters

Teff : 4670 log g : 0.75+-0.24 vturb : 2.73+-0.09

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...-0.68...-3.13-0.725.30C
NaN/A...0.22...-2.270.143.97Na
MgN/A...0.44...-2.160.255.44Mg
CaN/A...0.44...-2.120.294.22Ca
Fe IN/A-2.58......-2.41...5.09Fe I
Fe IIN/A-2.59......-2.42...5.08Fe II
NiN/A...0.04...-2.51-0.103.71Ni
SrN/A...-0.14...-2.69-0.280.18Sr
BaN/A...0.13...-2.50-0.09-0.32Ba
EuN/A...0.68...-1.910.50-1.39Eu

Position

Right Ascension : 01 03 18.17 Declination : -27 52 50.0 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 FRUTTI 22000 N/A N/A N/A

J.Melendez et al.,ApJ, 575, 474, 2002(ADS)

Keck NIRSPEC Infrared OH Lines: Oxygen Abundances in Metal-poor Stars down to [Fe/H] = -2.9


Stellar Parameters

Teff : 4705 log g : 1.5 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
CN/A...-1.13...-3.36-1.015.07C
OHN/A...+0.53...-1.640.717.05OH
Fe IIN/A-2.35......-2.35...5.15Fe II

Position

Right Ascension : 01 03 18.17 Declination : -27 52 50.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-12-15 N/A KECKNIRSPEC 37000 450 12x100 N/A
2001-10-01 N/A FEROSESO 48000 320 1800 N/A

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

Oxygen Abundances in Metal-poor Stars


Stellar Parameters

Teff : 4750 log g : 1.42 vturb : 2.1

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...0.52+-0.166.79+-0.3-1.90+-0.30.50+-0.166.79+-0.3O I
FeN/A-2.42......-2.40...5.10Fe
Fe IN/A......5.1+-0.12-2.40+-0.12...5.1+-0.12Fe I
Fe IIN/A......5.1+-0.14-2.40+-0.14...5.1+-0.14Fe II

Position

Right Ascension : 01 03 18.17 Declination : -27 52 50.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-09-30 N/A GECKOCFHT 130000 250 1800 N/A
2002-01-08 N/A MAYALLKPNO 40000 200 600 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 : 4685 log g : 1.50 vturb : 2.00

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-2.42......-2.45...5.05Fe I
Fe IIN/A-2.36......-2.39...5.11Fe II
GeN/A...-0.86+0.32-3.33-0.88+0.32Ge
ZrN/A...+0.14+0.38-2.200.25+0.38Zr
LaN/A...+0.26-0.93-2.030.42-0.93La
EuN/A...+0.52-1.33-1.850.60-1.33Eu
OsN/A...+0.49-0.53-1.930.52-0.53Os
PtN/A...+0.71-0.01-1.630.82-0.01Pt

Position

Right Ascension : 01 03 18.17 Declination : -27 52 50.0 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

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 : 4600 log g : 1.0 vturb : 2.1

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......-1.54-2.06...-1.54Eu II

Isotopic Ratio

151Eu/153Eu 0.48+-0.04

Position

Right Ascension : 01 03 18.17 Declination : -27 52 50.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2002-08-22 2452509 SUBARUHDS 90000 304 100 40.13+-0.15

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 39.20+-0.27

Position

Right Ascension : 01 03 18.17 Declination : -27 52 50.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-08-18 N/A SUBARUHDS 90000 158 1800 39.20+-0.27

Y.Saito et al.,PASJ, 61, 549, 2009(ADS)

Chemical Evolution of Zinc in the Galaxy


Stellar Parameters

Teff : 4735 log g : 1.61 vturb : 2.10

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-2.51......-2.56...4.94Fe I
Fe IIN/A-2.30......-2.35...5.15Fe II
Zn IN/A...0.04+-0.13...-2.43+-0.130.13+-0.132.13+-0.13Zn I

Position

Right Ascension : 01 03 18.17 Declination : -27 52 50.0 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 OAO 50000 140 N/A 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 : 4685 log g : 1.50 vturb : 2.00

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-2.42......-2.42...5.08Fe
La IIN/A......-1.05+-0.05-2.15+-0.050.27+-0.05-1.05+-0.05La II
Eu IIN/A......-1.37+-0.05-1.89+-0.050.53+-0.05-1.37+-0.05Eu II
Er IIN/A......-0.93+-0.07-1.85+-0.070.57+-0.07-0.93+-0.07Er II
Hf IIN/A......-1.14+-0.13-1.85+-0.130.57+-0.13-1.14+-0.13Hf II
Ir IN/A......-0.49+-0.14-1.87+-0.140.55+-0.14-0.49+-0.14Ir I
Pb IN/A......<+0.08<-1.96<0.46<+0.08Pb I
Th IIN/A......-1.78+-0.15-1.84+-0.150.58+-0.15-1.78+-0.15Th II

Isotopic Ratio

12C/13C 6+-2

Position

Right Ascension : 01 03 18.17 Declination : -27 52 50.0 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

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 : 4570+-34 log g : 0.7+-0.16 vturb : 1.85+-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......<0.06<-3.20<-0.38<0.06Li I
CH1...-0.91+-0.254.83-3.60-0.78+-0.254.83CH
NH1...0.80+-0.365.94-1.890.93+-0.365.94NH
O I4...0.66+-0.186.54-2.150.67+-0.186.54O I
Mg I5...0.56+-0.205.35-2.250.57+-0.205.35Mg I
Al I1...-0.36+-0.273.27-3.18-0.36+-0.273.27Al I
Ca I11...0.45+-0.183.98-2.360.46+-0.183.98Ca I
Sc II5...-0.07+-0.140.39-2.760.06+-0.140.39Sc II
Ti I19...0.12+-0.142.25-2.700.12+-0.142.25Ti I
Ti II25...0.28+-0.152.54-2.410.41+-0.152.54Ti II
V I1...-0.23+-0.170.88-3.05-0.23+-0.170.88V I
V II2...0.03+-0.231.27-2.660.16+-0.231.27V II
Cr I9...-0.25+-0.142.57-3.07-0.25+-0.142.57Cr I
Cr II2...0.16+-0.153.11-2.530.29+-0.153.11Cr II
Mn I4...-0.49+-0.142.12-3.31-0.49+-0.142.12Mn I
Mn II2...-0.20+-0.212.54-2.89-0.07+-0.212.54Mn II
Fe I99-2.82+-0.15...4.68-2.82+-0.15...4.68Fe I
Fe II9-2.69+-0.15...4.81-2.69+-0.15...4.81Fe II
Co I2...-0.26+-0.291.91-3.08-0.26+-0.291.91Co I
Ni I8...0.08+-0.183.48-2.740.08+-0.183.48Ni I
Cu I1...<-0.56<0.81<-3.38<-0.56<0.81Cu I
Zn I2...0.32+-0.142.06-2.500.32+-0.142.06Zn I
Rb I1...<1.70<1.40<-0.96<1.86<1.40Rb I
Sr II2...0.15+-0.120.33-2.540.28+-0.120.33Sr II
Y II5...-0.41+-0.15-0.89-3.10-0.28+-0.15-0.89Y II
Zr II3...0.07+-0.15-0.04-2.620.20+-0.15-0.04Zr II
Nb II1...<1.06<-0.17<-1.63<1.19<-0.17Nb II
Mo I1...0.08+-0.19-0.86-2.740.08+-0.19-0.86Mo I
Tc I1......<-0.23<-0.23<2.59<-0.23Tc I
Sn I1...<1.47<0.72<-1.35<1.47<0.72Sn I
Ba II2...0.05+-0.14-0.46-2.640.18+-0.14-0.46Ba II
La II4...0.09+-0.15-1.51-2.610.21+-0.15-1.51La II
Ce II5...-0.02+-0.16-1.13-2.710.11+-0.16-1.13Ce II
Pr II3...0.30+-0.16-1.67-2.390.43+-0.16-1.67Pr II
Nd II4...0.17+-0.15-1.11-2.530.29+-0.15-1.11Nd II
Sm II2...0.25+-0.15-1.48-2.440.38+-0.15-1.48Sm II
Eu II4...0.31+-0.17-1.87-2.390.43+-0.17-1.87Eu II
Gd II2...0.40+-0.17-1.22-2.290.53+-0.17-1.22Gd II
Dy II3...0.49+-0.16-1.10-2.200.62+-0.16-1.10Dy II
Er II3...0.32+-0.16-1.45-2.370.45+-0.16-1.45Er II
Tm II1...0.28+-0.18-2.31-2.430.39+-0.18-2.31Tm II
Yb II1...0.41+-0.27-1.36-2.280.54+-0.27-1.36Yb II
Hf II2...0.41+-0.26-1.43-2.140.68+-0.26-1.43Hf II
Ir I1...0.69+-0.36-0.75-2.130.69+-0.36-0.75Ir I
Pb I1...<1.00<0.22<-1.82<1.00<0.22Pb I
Th II1...0.41+-0.29-2.22-2.280.54+-0.29-2.22Th II

Binary Parameters

Binarity Negative
Vrad 39.7

Position

Right Ascension : 01 03 18.17 Declination : -27 52 50.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2009-07-04-10:31 2455016.939 MIKELCO 41000 75-255 180 39.7

K.A.Venn et al.,AJ, 128, 1177, 2004(ADS)

Stellar Chemical Signatures and Hierarchical Galaxy Formation


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-2.36......-2.36...5.14Fe
EuN/A...0.52...-1.850.51-1.33Eu

Position

Right Ascension : 01 03 18.17 Declination : -27 52 50.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log