HD218857

taken from 14 paper(s):

/D.L.Burris et al.(2000)/ /J.A.Johnson(2002)/ /A.E.GarciaPerez and F. Primas(2006)/ /T.V.Mishenina et al.(2002)/ /T.V.Mishenina and V. V. Kovtyukh(2001)/ /J.P.Fulbright and J. A. Johnson(2003)/ /A.E.GarciaPerez et al.(2006)/ /J.Simmerer et al.(2004)/ /J.A.Johnson and M. Bolte(2002)/ /J.A.Johnson and M. Bolte(2001)/ /M.Ishigaki et al.(2010)/ /I.U.Roederer et al.(2010)/ /M.N.Ishigaki et al.(2012)/ /M.N.Ishigaki et al.(2013)/

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 : 5125 log g : 2.40 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
FeN/A-1.86......-1.69...5.81Fe
SrN/A...0.011.05-1.82-0.131.05Sr
YN/A...-0.170.21-2.00-0.310.21Y
ZrN/A...0.000.74-1.84-0.150.74Zr
BaN/A...0.030.30-1.88-0.190.30Ba
LaN/A...-0.36-1.00-2.10-0.41-1.00La
NdN/A...-0.06-0.42-1.84-0.15-0.42Nd
EuN/A...-0.23-1.58-2.10-0.41-1.58Eu
DyN/A...0.16-0.60-1.70-0.01-0.60Dy

Position

Right Ascension : 23 11 24.59 Declination : -16 15 04.0 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

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

ABUNDANCES OF 30 ELEMENTS IN 23 METAL-POOR STARS


Stellar Parameters

Teff : 4850 log g : 1.80 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
Na I2......4.14+-0.19-2.10+-0.190.07+-0.194.14+-0.19Na I
Mg I3......6.07+-0.13-1.53+-0.130.64+-0.136.07+-0.13Mg I
Al I1......3.23+-0.25-3.22+-0.25-1.05+-0.253.23+-0.25Al I
Si I3......5.63+-0.18-1.88+-0.180.29+-0.185.63+-0.18Si I
Ca I22......4.56+-0.10-1.78+-0.100.39+-0.104.56+-0.10Ca I
Sc II9......0.86+-0.15-2.29+-0.15-0.12+-0.150.86+-0.15Sc II
Ti I27......2.91+-0.14-2.04+-0.140.13+-0.142.91+-0.14Ti I
Ti II16......3.01+-0.16-1.94+-0.160.23+-0.163.01+-0.16Ti II
V I1......1.64+-0.15-2.29+-0.15-0.12+-0.151.64+-0.15V I
Cr I13......3.39+-0.13-2.25+-0.13-0.08+-0.133.39+-0.13Cr I
Cr II2......3.86+-0.12-1.78+-0.120.39+-0.123.86+-0.12Cr II
Mn I4......2.85+-0.11-2.58+-0.11-0.41+-0.112.85+-0.11Mn I
Fe I148......5.33+-0.16-2.17+-0.16...5.33+-0.16Fe I
Fe II21......5.33+-0.14-2.17+-0.14...5.33+-0.14Fe II
Co I2......2.69+-0.18-2.30+-0.18-0.13+-0.182.69+-0.18Co I
Ni I17......4.01+-0.12-2.21+-0.12-0.04+-0.124.01+-0.12Ni I
Zn I2......2.60+-0.09-1.96+-0.090.21+-0.092.60+-0.09Zn I
Y II4......-0.43+-0.13-2.64+-0.13-0.47+-0.13-0.43+-0.13Y II
Ba II4......-0.47+-0.24-2.65+-0.24-0.48+-0.24-0.47+-0.24Ba II
La II1......-1.37+-0.17-2.47+-0.17-0.30+-0.17-1.37+-0.17La II
Nd II1......-0.54+-0.24-1.96+-0.240.21+-0.24-0.54+-0.24Nd II
Tb IIN/A......<-0.54<-0.86<1.31<-0.54Tb II
Os IN/A......<0.16<-1.24<0.93<0.16Os I

Position

Right Ascension : 23 11 24.59 Declination : -16 15 04.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1998-08-11 N/A LICKHAMILTON 60000 75 2700 N/A

A.E.GarciaPerez et al.,AAP, 447, 299, 2006(ADS)

Li and Be depletion in metal-poor subgiants


Stellar Parameters

Teff : 5015 log g : 2.78+-0.36 vturb : 1.4

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......0.90+-0.12-2.36+-0.12-0.57+-0.120.90+-0.12Li I
Be IIN/A......-1.42+-0.22-2.80+-0.22-1.01+-0.22-1.42+-0.22Be II
FeN/A-1.79......-1.79...5.71Fe

Position

Right Ascension : 23 11 24.59 Declination : -16 15 04.0 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 VLT 55000 100-500 N/A N/A

T.V.Mishenina et al.,AAP, 396, 189, 2002(ADS)

Abundances of Cu and Zn in metal-poor stars: Clues for Galaxy evolution


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-1.84......-1.84...5.66Fe
Cu IN/A...-0.76+-0.24...-2.58+-0.24-0.74+-0.241.61+-0.24Cu I
Zn IN/A...-0.05+-0.2...-1.85+-0.2-0.01+-0.22.71+-0.2Zn I

Position

Right Ascension : 23 11 24.59 Declination : -16 15 04.0 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 ELODIE 42000 >100 N/A N/A

T.V.Mishenina et al.,AAP, 370, 951, 2001(ADS)

Analysis of neutron capture elements in metal-poor stars


Stellar Parameters

Teff : 5050 log g : 2.4 vturb : 1.2

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
Mg IN/A...0.00...-1.86-0.025.74Mg I
Si IN/A...0.25...-1.550.295.96Si I
FeN/A-1.84......-1.84...5.66Fe
Ba IIN/A...-0.25...-2.14-0.300.04Ba II
Ce IIN/A...0.24...-1.600.24-0.02Ce II
Nd IIN/A...0.23...-1.530.31-0.11Nd II

Position

Right Ascension : 23 11 24.59 Declination : -16 15 04.0 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 ELODIE 42000 >100 N/A N/A

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

Oxygen Abundances in Metal-poor Stars


Stellar Parameters

Teff : 5050 log g : 2.43 vturb : 1.55

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...0.61+-0.127.22+-0.3-1.47+-0.30.59+-0.127.22+-0.3O I
FeN/A-2.08......-2.06...5.44Fe
Fe IN/A......5.59+-0.1-1.91+-0.1...5.59+-0.1Fe I
Fe IIN/A......5.44+-0.18-2.06+-0.18...5.44+-0.18Fe II

Position

Right Ascension : 23 11 24.59 Declination : -16 15 04.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-09-29 N/A GECKOCFHT 130000 250 600 N/A

A.E.GarciaPerez et al.,AAP, 451, 621, 2006(ADS)

Oxygen abundances in metal-poor subgiants as determined from [O I], O I and OH lines


Stellar Parameters

Teff : 5015 log g : 2.78+-0.36 vturb : 1.4

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...0.38...-1.360.437.33O I
OHN/A...0.16...-1.580.217.11OH
Fe IIN/A-1.79+-0.04......-1.79+-0.04...5.71+-0.04Fe II

Binary Parameters

Vrad -170.9

Position

Right Ascension : 23 11 24.59 Declination : -16 15 04.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-10 N/A VLT 55000 250 N/A N/A

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

The Rise of the s-Process in the Galaxy


Stellar Parameters

Teff : 5103 log g : 2.44 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
CN/A...-0.05...-1.770.136.66C
Fe I10-1.90......-1.90...5.60Fe I
Fe II8-2.01......-2.01...5.49Fe II
La IIN/A......-1.16+-0.06-2.26+-0.06-0.36+-0.06-1.16+-0.06La II
Eu IIN/A......-1.42+-0.09-1.94+-0.09-0.04+-0.09-1.42+-0.09Eu II

Position

Right Ascension : 23 11 24.59 Declination : -16 15 04.0 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 MCDONALD 60000 100 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-2.18......-2.01...5.49Fe
Sr IIN/A......0.61+-0.30-2.26+-0.30-0.25+-0.300.61+-0.30Sr II
Y IIN/A......-0.43+-0.13-2.64+-0.13-0.63+-0.13-0.43+-0.13Y II
Zr IIN/A......-0.43+-0.13-3.01+-0.13-1.00+-0.13-0.43+-0.13Zr II
Ba IIN/A......-0.47+-0.24-2.65+-0.24-0.64+-0.24-0.47+-0.24Ba II

Position

Right Ascension : 23 11 24.59 Declination : -16 15 04.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1998-08-11 N/A LICKHAMILTON 60000 75 2700 N/A

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

Th Ages for Metal-poor Stars


Stellar Parameters

Teff : 4850 log g : 1.80 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
Fe I148-2.19+-0.16......-2.02+-0.16...5.48+-0.16Fe I
Fe II21-2.19+-0.14......-2.02+-0.14...5.48+-0.14Fe II
Ba II4...-0.41+-0.24...-2.65+-0.24-0.63+-0.24-0.47+-0.24Ba II
La II1...-0.40+-0.17...-2.47+-0.17-0.45+-0.17-1.37+-0.17La II
Nd II1...0.15+-0.24...-1.96+-0.240.06+-0.24-0.54+-0.24Nd II
Tb IIN/A...<1.32...<-0.86<1.16<-0.54Tb II
Os IN/A...<0.90...<-1.24<0.78<0.16Os I

Position

Right Ascension : 23 11 24.59 Declination : -16 15 04.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1998-08-11 N/A LICKHAMILTON 60000 75 2700 N/A

M.Ishigaki et al.,PASJ, 62, 143, 2010(ADS)

Chemical Abundances of Outer Halo Stars in the Milky Way


Stellar Parameters

Teff : 4892+-40 log g : 2.22 vturb : 1.56

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 IN/A-2.46+-0.07-0.35+-0.07...-2.37+-0.07-0.25+-0.073.87+-0.07Na I
Mg IN/A-1.71+-0.060.41+-0.06...-1.73+-0.060.39+-0.065.87+-0.06Mg I
Ca IN/A-1.84+-0.030.27+-0.03...-1.82+-0.030.30+-0.034.52+-0.03Ca I
TiN/A...0.21+-0.02...-1.84+-0.020.28+-0.023.11+-0.02Ti
Ti I7-2.03+-0.03......-1.96+-0.030.16+-0.032.99+-0.03Ti I
Ti II3-1.68+-0.04......-1.61+-0.040.51+-0.043.34+-0.04Ti II
CrN/A...-0.21+-0.02...-2.30+-0.02-0.18+-0.023.34+-0.02Cr
Cr I5-2.39+-0.02......-2.36+-0.02-0.24+-0.023.28+-0.02Cr I
Cr II4-1.94+-0.06......-1.91+-0.060.21+-0.063.73+-0.06Cr II
Mn IN/A-2.70+-0.020.02+-0.02...-2.74+-0.02-0.62+-0.022.69+-0.02Mn I
Fe I60-2.12+-0.01......-2.12+-0.01...5.38+-0.01Fe I
Fe II8-2.11+-0.02......-2.11+-0.02...5.39+-0.02Fe II
Ni IN/A-2.10+-0.100.01+-0.10...-2.07+-0.100.05+-0.104.15+-0.10Ni I
Zn IN/A-2.13+-0.08-0.01+-0.08...-2.09+-0.080.03+-0.082.47+-0.08Zn I
Y IIN/A-2.48+-0.07-0.37+-0.07...-2.45+-0.07-0.33+-0.07-0.24+-0.07Y II
Ba IIN/A-2.70+-0.05-0.58+-0.05...-2.75+-0.05-0.63+-0.05-0.57+-0.05Ba II

Position

Right Ascension : 23 11 24.59 Declination : -16 15 04.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-07-27 N/A SUBARUHDS 50000 443 600 -169.4+-0.2

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-1.90......-1.90...5.60Fe
Zn IN/A......2.64-1.92-0.022.64Zn I
Y IIN/A......-0.19-2.40-0.50-0.19Y II
Pb IN/A......<+0.55<-1.49<0.41<+0.55Pb I

Position

Right Ascension : 23 11 24.59 Declination : -16 15 04.0 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 MCDONALD 60000 100 N/A N/A

M.N.Ishigaki et al.,ApJ, 753, 64, 2012(ADS)

Chemical Abundances of the Milky Way Thick Disk and Stellar Halo. I. Implications of [alpha/Fe] for Star Formation Histories in Their Progenitors


Stellar Parameters

Teff : 5107+-100 log g : 2.71+-0.3 vturb : 1.70+-0.3

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
MgN/A...0.21+-0.09...-1.73+-0.090.21+-0.095.87+-0.09Mg
SiN/A...0.30+-0.13...-1.64+-0.130.30+-0.135.87+-0.13Si
CaN/A...0.23+-0.09...-1.71+-0.090.23+-0.094.63+-0.09Ca
Ti IN/A...0.22+-0.08...-1.72+-0.080.22+-0.083.23+-0.08Ti I
Ti IIN/A...0.35+-0.08...-1.59+-0.080.35+-0.083.36+-0.08Ti II
Fe IN/A-1.94+-0.15......-1.94+-0.15...5.56+-0.15Fe I
Fe IIN/A-1.92+-0.12......-1.92+-0.12...5.58+-0.12Fe II

Binary Parameters

Vrad -170.6+-0.4

Position

Right Ascension : 23 11 24.59 Declination : -16 15 04.0 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 SUBARUHDS 50000 N/A N/A -170.6+-0.4

M.N.Ishigaki et al.,ApJ, 771, 67, 2013(ADS)

Chemical Abundances of the Milky Way Thick Disk and Stellar Halo. II. Sodium, Iron-peak, and Neutron-capture Elements


Stellar Parameters

Teff : 5107 log g : 2.71 vturb : 1.7

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
Na IN/A...-0.15+-0.15...-2.09+-0.15-0.15+-0.154.15+-0.15Na I
Sc IIN/A...0.03+-0.07...-1.91+-0.070.03+-0.071.24+-0.07Sc II
Cr IN/A...-0.16+-0.08...-2.10+-0.08-0.16+-0.083.54+-0.08Cr I
Cr IIN/A...0.19+-0.06...-1.75+-0.060.19+-0.063.89+-0.06Cr II
Mn IN/A...-0.35+-0.1...-2.29+-0.1-0.35+-0.13.14+-0.1Mn I
Fe IN/A-1.94+-0.15......-1.94+-0.15...5.56+-0.15Fe I
Fe IIN/A-1.91+-0.12......-1.91+-0.12...5.59+-0.12Fe II
Ni IN/A...-0.06+-0.1...-2.00+-0.1-0.06+-0.14.22+-0.1Ni I
Cu IN/A...-1+-0.12...-2.94+-0.12-1.00+-0.121.25+-0.12Cu I
Zn IN/A...0.13+-0.14...-1.81+-0.140.13+-0.142.75+-0.14Zn I
Y IIN/A...-0.38+-0.08...-2.32+-0.08-0.38+-0.08-0.11+-0.08Y II
Ba IIN/A...-0.48+-0.13...-2.42+-0.13-0.48+-0.13-0.24+-0.13Ba II
La IIN/A...-0.28+-0.12...-2.22+-0.12-0.28+-0.12-1.12+-0.12La II
Nd IIN/A...-0.04+-0.1...-1.98+-0.1-0.04+-0.1-0.56+-0.1Nd II
Sm IIN/A...-0.05+-0.11...-1.99+-0.11-0.05+-0.11-1.03+-0.11Sm II
Eu IIN/A...-0.15+-0.13...-2.09+-0.13-0.15+-0.13-1.57+-0.13Eu II

Position

Right Ascension : 23 11 24.59 Declination : -16 15 04.0 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 SUBARUHDS 50000 N/A N/A N/A