G20-15

taken from 5 paper(s):

/M.Ishigaki et al.(2010)/ /M.N.Ishigaki et al.(2012)/ /M.N.Ishigaki et al.(2013)/ /P.E.Nissen and W. J. Schuster(2010)/ /P. E. Nissen and W. J. Schuster(2011)/

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

Chemical Abundances of Outer Halo Stars in the Milky Way


Stellar Parameters

Teff : 5850+-89 log g : 4.00 vturb : 1.16

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-2.01+-0.07-0.26+-0.07...-1.92+-0.07-0.16+-0.074.32+-0.07Na I
Mg IN/A-1.35+-0.040.41+-0.04...-1.37+-0.040.39+-0.046.23+-0.04Mg I
Ca IN/A-1.48+-0.020.28+-0.03...-1.46+-0.020.30+-0.034.88+-0.02Ca I
TiN/A...0.31+-0.02...-1.38+-0.020.38+-0.023.57+-0.02Ti
Ti I3-1.53+-0.02......-1.46+-0.020.30+-0.023.49+-0.02Ti I
Ti II6-1.26+-0.03......-1.19+-0.030.57+-0.033.76+-0.03Ti II
CrN/A...-0.13+-0.03...-1.86+-0.03-0.10+-0.033.78+-0.03Cr
Cr I3-1.93+-0.03......-1.90+-0.03-0.14+-0.033.74+-0.03Cr I
Cr II2-1.59+-0.07......-1.56+-0.070.20+-0.074.08+-0.07Cr II
Mn IN/A-2.22+-0.070.07+-0.07...-2.26+-0.07-0.50+-0.073.17+-0.07Mn I
Fe I28-1.76+-0.02......-1.76+-0.02...5.74+-0.02Fe I
Fe II6-1.75+-0.03......-1.75+-0.03...5.75+-0.03Fe II
Ni IN/A-1.81+-0.07-0.06+-0.07...-1.78+-0.07-0.02+-0.074.44+-0.07Ni I
Zn IN/A-1.77+-0.08-0.01+-0.08...-1.73+-0.080.03+-0.082.83+-0.08Zn I
Y IIN/A-1.83+-0.07-0.08+-0.07...-1.80+-0.07-0.04+-0.070.41+-0.07Y II
Ba IIN/A-1.80+-0.03-0.04+-0.03...-1.85+-0.03-0.09+-0.030.33+-0.03Ba II

Position

Right Ascension : 17 47 27.97 Declination : -08 46 47.7 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 167 1200 85.1+-0.2

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 : 6042+-100 log g : 4.26+-0.3 vturb : 1.22+-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+-0.08...-1.39+-0.080.21+-0.086.21+-0.08Mg
SiN/A...0.19+-0.11...-1.41+-0.110.19+-0.116.10+-0.11Si
CaN/A...0.28+-0.07...-1.32+-0.070.28+-0.075.02+-0.07Ca
Ti IN/A...0.29+-0.07...-1.31+-0.070.29+-0.073.64+-0.07Ti I
Ti IIN/A...0.33+-0.08...-1.27+-0.080.33+-0.083.68+-0.08Ti II
Fe IN/A-1.60+-0.10......-1.60+-0.10...5.90+-0.10Fe I
Fe IIN/A-1.62+-0.11......-1.62+-0.11...5.88+-0.11Fe II

Binary Parameters

Vrad 78.5+-0.5

Position

Right Ascension : 17 47 27.97 Declination : -08 46 47.7 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 78.5+-0.5

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 : 6042 log g : 4.26 vturb : 1.22

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
Sc IIN/A...0.08+-0.07...-1.52+-0.070.08+-0.071.63+-0.07Sc II
Cr IN/A...-0.17+-0.08...-1.77+-0.08-0.17+-0.083.87+-0.08Cr I
Cr IIN/A...0.21+-0.08...-1.39+-0.080.21+-0.084.25+-0.08Cr II
Mn IN/A...-0.26+-0.07...-1.86+-0.07-0.26+-0.073.57+-0.07Mn I
Fe IN/A-1.6+-0.1......-1.60+-0.1...5.90+-0.1Fe I
Fe IIN/A-1.62+-0.11......-1.62+-0.11...5.88+-0.11Fe II
Co IN/A...0.11+-0.11...-1.49+-0.110.11+-0.113.50+-0.11Co I
Ni IN/A...-0.01+-0.08...-1.61+-0.08-0.01+-0.084.61+-0.08Ni I
Zn IN/A...0.11+-0.1...-1.49+-0.10.11+-0.13.07+-0.1Zn I
Sr IIN/A...-0.24+-0.2...-1.84+-0.2-0.24+-0.21.03+-0.2Sr II
Y IIN/A...-0.16+-0.1...-1.76+-0.1-0.16+-0.10.45+-0.1Y II
Ba IIN/A...0.02+-0.13...-1.58+-0.130.02+-0.130.60+-0.13Ba II
Nd IIN/A...0.54+-0.1...-1.06+-0.10.54+-0.10.36+-0.1Nd II
Eu IIN/A...0.57+-0.06...-1.03+-0.060.57+-0.06-0.51+-0.06Eu II

Position

Right Ascension : 17 47 27.97 Declination : -08 46 47.7 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 90000 N/A N/A N/A

P.E.Nissen et al.,AAP, 511, L10, 2010(ADS)

Two distinct halo populations in the solar neighborhood. Evidence from stellar abundance ratios and kinematics


Stellar Parameters

Teff : 6027 log g : 4.32 vturb : 1.6

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...-0.18...-1.50-0.094.74Na
MgN/A...0.22...-1.210.206.39Mg
SiN/A...0.23...-1.140.276.37Si
CaN/A...0.29...-1.100.315.24Ca
TiN/A...0.24...-1.100.313.85Ti
CrN/A...-0.03...-1.410.004.23Cr
FeN/A-1.41......-1.41...6.09Fe
NiN/A...-0.05...-1.43-0.024.79Ni

Position

Right Ascension : 17 47 27.97 Declination : -08 46 47.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2003-08-11-0308 N/A VLT 55000 500 N/A 84.3
2008-05-21-0139 N/A FIESNOT 40000 170 N/A 84.3

P. E. Nissen et al.,AAP, 530, A15, 2011(ADS)

Two distinct halo populations in the solar neighborhood II. Evidence from stellar abundances of Mn, Cu, Zn, Y, and Ba


Stellar Parameters

Teff : 6072 log g : 4.36

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
MnN/A...-0.32...-1.85-0.363.58Mn
FeN/A-1.49......-1.49...6.01Fe
ZnN/A...0.11...-1.340.153.22Zn
YN/A...-0.14...-1.60-0.110.61Y
BaN/A...-0.22...-1.76-0.270.42Ba

Position

Right Ascension : 17 47 27.97 Declination : -08 46 47.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2003-08-11-0308 N/A VLT 55000 500 N/A 84.3
2008-05-21-0139 N/A FIESNOT 40000 170 N/A 84.3