HD84937

taken from 36 paper(s):

/T.V.Mishenina et al.(2002)/ /T.V.Mishenina and V. V. Kovtyukh(2001)/ /E.Arnone et al.(2005)/ /K.Jonsell et al.(2005)/ /J.R.Shi et al.(2007)/ /P.E.Nissen et al.(2007)/ /J.P.Fulbright(2000)/ /D.K.Lai et al.(2007)/ /R.G.Gratton et al.(2003)/ /G.Bihain et al.(2004)/ /G.Israelian et al.(1998)/ /A.M.Boesgaard et al.(1999)/ /A.Hosford et al.(2009)/ /M.Bergemann and T. Gehren(2008)/ /L.Mashonkina et al.(2008)/ /N.Ryde and D. L. Lambert(2004)/ /M.Takada-Hidai et al.(2002)/ /R.Smiljanic et al.(2009)/ /W.Aoki et al.(2009)/ /J.A.Rich and A. M. Boesgaard(2009)/ /A.Ford et al.(2002)/ /M.Bergemann et al.(2010)/ /A.Hosford et al.(2010)/ /M.Bergemann and G. Cescutti(2010)/ /T.Gehren et al.(2006)/ /D.Fabbian et al.(2009)/ /M.Spite et al.(2017)/ /A.M.Boesgaard et al.(2011)/ /T.Mishenina et al.(2017)/ /H.Li et al.(2018)/ /I.U.Roederer et al.(2018)/ /A.M.Amarsi et al.(2019)/ /R.C.Peterson et al.(2020)/ /I.U.Roederer and J. E. Lawler(2021)/ /R.C.Peterson(2021)/ /G.Israelian et al.(2004)/

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

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


Stellar Parameters

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......-2.00...5.50Fe
Zn IN/A...0.09+-0.11...-1.87+-0.110.13+-0.112.69+-0.11Zn I

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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 : 6250 log g : 3.8 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
Mg IN/A...0.36...-1.660.345.94Mg I
Ca IN/A...0.34...-1.640.364.70Ca I
FeN/A-2.00......-2.00...5.50Fe
Ba IIN/A...-0.10...-2.15-0.150.03Ba II

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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

E.Arnone et al.,AAP, 430, 507, 2005(ADS)

Mg abundances in metal-poor halo stars as a tracer of early Galactic mixing


Stellar Parameters

Teff : 6160 log g : 3.7+-0.2 vturb : 1.8+-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
Mg I3-2.01+-0.020.35+-0.02...-2.03+-0.020.33+-0.025.57+-0.02Mg I
Ca I4-1.94+-0.04......-1.92+-0.040.44+-0.044.42+-0.04Ca I
Ti I1-1.97......-1.900.463.05Ti I
Ti II1-2.03......-1.960.402.99Ti II
Cr I2-2.44+-0.04......-2.41+-0.04-0.05+-0.043.23+-0.04Cr I
Fe I23-2.36+-0.01......-2.36+-0.01...5.14+-0.01Fe I
Fe II3-2.44+-0.01......-2.44+-0.01...5.06+-0.01Fe II

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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 ANGLO 40000 >100 N/A N/A

K.Jonsell et al.,AAP, 440, 321, 2005(ADS)

Chemical abundances in 43 metal-poor stars


Stellar Parameters

Teff : 6310 log g : 4.04 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
O IN/A...0.42...-1.570.397.12O I
Na IN/A...0.12...-1.750.214.49Na I
Ca IN/A...0.27...-1.670.294.67Ca I
FeN/A-1.96......-1.96...5.54Fe
Ba IIN/A...-0.44...-2.45-0.49-0.27Ba II

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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 CATCESESO 60000 200 N/A N/A

J.R.Shi et al.,AAP, 465, 587, 2007(ADS)

Lithium abundances in metal-poor stars (Research Note)


Stellar Parameters

Teff : 6346 log g : 4.00 vturb : 1.83

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......2.28-0.981.172.28Li I
FeN/A-2.16......-2.15...5.35Fe

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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 FOCES 40000 100-400 N/A N/A

P.E.Nissen et al.,AAP, 469, 319, 2007(ADS)

Sulphur and zinc abundances in Galactic halo stars revisited


Stellar Parameters

Teff : 6357 log g : 4.07 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 IN/A...0.33...-1.570.545.55S I
FeN/A-2.11......-2.11...5.39Fe
Zn IN/A...0.062.55-2.010.102.55Zn I

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2007-06-25 N/A VLT 60000 ~500 N/A N/A

J.P.Fulbright et al.,AJ, 120, 1841, 2000(ADS)

ABUNDANCES AND KINEMATICS OF FIELD HALO AND DISK STARS. I. OBSERVATIONAL DATA AND ABUNDANCE ANALYSIS


Stellar Parameters

Teff : 6375 log g : 4.1 vturb : 0.8

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
Li IN/A......2.4-0.861.202.4Li I
Na IN/A...-0.1...-2.09-0.034.15Na I
Mg IN/A...0.35...-1.750.315.85Mg I
Ca IN/A...0.39...-1.670.394.67Ca I
TiN/A...0.4...-1.640.423.31Ti
Cr IN/A...0.01...-2.040.023.60Cr I
FeN/A-2.08......-2.06...5.44Fe
Ni IN/A...0.03...-2.020.044.20Ni I
Y IIN/A...0.03...-2.020.040.19Y II

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
19980317-18 N/A LICKHAMILTON 50000 180 1200 N/A

D.K.Lai et al.,ApJ, 667, 1185, 2007(ADS)

Carbon and Strontium Abundances of Metal-poor Stars


Stellar Parameters

Teff : 6312 log g : 4.51

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...<0.10...<-1.68<0.06<6.75C
FeN/A-1.91......-1.74...5.76Fe
SrN/A...0.21...-1.670.071.20Sr
BaN/A...-0.07...-2.03-0.290.15Ba

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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

R.G.Gratton et al.,AAP, 404, 187, 2003(ADS)

Abundances for metal-poor stars with accurate parallaxes I. Basic data


Stellar Parameters

Teff : 6290 log g : 4.02 vturb : 1.25

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...-0.41+-0.054...-2.66+-0.054-0.43+-0.0543.58+-0.054Na I
Mg IN/A...0.52+-0.055...-1.87+-0.0550.36+-0.0555.73+-0.055Mg I
Si IN/A...0.59+-0.048...-1.61+-0.0480.62+-0.0485.90+-0.048Si I
Ca IN/A...0.44+-0.033...-1.85+-0.0330.38+-0.0334.49+-0.033Ca I
Ti IN/A...0.41+-0.03...-1.69+-0.030.54+-0.033.26+-0.03Ti I
Ti IIN/A...0.41+-0.048...-1.69+-0.0480.54+-0.0483.26+-0.048Ti II
Fe IN/A-2.22+-0.051......-2.23+-0.051...5.27+-0.051Fe I
Fe IIN/A-2.16+-0.066......-2.17+-0.066...5.33+-0.066Fe II

Binary Parameters

Binarity Positive

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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 SARGTNG 150000 100 N/A -16.7

G.Bihain et al.,AAP, 423, 777, 2004(ADS)

Cu and Zn in the early Galaxy


Stellar Parameters

Teff : 6277+-75 log g : 4.03+-0.09 vturb : 1.0

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-2.06......-1.89...5.61Fe
Cu IN/A-2.96+-0.14......-2.94+-0.14-1.05+-0.141.25+-0.14Cu I
Zn IN/A<-1.96......<-1.92<-0.03<2.64Zn I

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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 WHTUES 50000 80-150 N/A N/A

G.Israelian et al.,ApJ, 507, 805, 1998(ADS)

Oxygen Abundances in Unevolved Metal-poor Stars from Near-Ultraviolet OH Lines


Stellar Parameters

Teff : 6210+-120 log g : 4.00+-0.10

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
OHN/A-1.45+-0.250.80...-1.21+-0.250.877.48+-0.25OH
FeN/A-2.25+-0.15......-2.08+-0.15...5.42+-0.15Fe

Position

Right Ascension : Declination : 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 WHTUES 50000 30-50 N/A N/A

A.M.Boesgaard et al.,AJ, 117, 492, 1999(ADS)

OXYGEN IN UNEVOLVED METAL-POOR STARS FROM KECK ULTRAVIOLET HIRES SPECTRA


Stellar Parameters

Teff : 6307 log g : 4.00 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
ON/A-1.35+-0.060.79+-0.157.58-1.11+-0.060.86+-0.157.58O
FeN/A-2.14......-1.97...5.53Fe

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
1994-03-01 N/A KECKHIRES 45000 98 2700 N/A

A.Hosford et al.,AAP, 493, 601, 2009(ADS)

Lithium abundances of halo dwarfs based on excitation temperature. I. Local thermodynamic equilibrium


Stellar Parameters

Teff : 6168+-102 log g : 3.98+-0.12 vturb : 1.30

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......2.17+-0.066-1.09+-0.0661.25+-0.0662.17+-0.066Li I
FeN/A-2.34......-2.34...5.16Fe
Fe I164-2.32......-2.32...5.18Fe I

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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 ANGLO 43000 110 N/A N/A

M.Bergemann et al.,AAP, 492, 823, 2008(ADS)

NLTE abundances of Mn in a sample of metal-poor stars


Stellar Parameters

Teff : 6346+-100 log g : 4.00+-0.08 vturb : 1.8+-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
MgN/A...0.32...-1.860.305.74Mg
Mn7...-0.42+-0.08...-2.62+-0.08-0.46+-0.082.81+-0.08Mn
FeN/A-2.16+-0.05......-2.16+-0.05...5.34+-0.05Fe

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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 FOCES 60000 200 N/A N/A
N/A VLT 50000 300 N/A N/A

L.Mashonkina et al.,ApJ, 679, 1549, 2008(ADS)

Non-LTE line formation for heavy elements in four very metal-poor stars


Stellar Parameters

Teff : 6365 log g : 4.00+-0.12 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-2.02+-0.03......-1.93+-0.030.22+-0.034.31+-0.03Na
MgN/A-1.88+-0.03......-1.90+-0.030.25+-0.035.70+-0.03Mg
AlN/A-3.04......-3.02-0.873.43Al
KN/A-1.65+-0.03......-1.56+-0.030.59+-0.033.47+-0.03K
Ca IN/A-1.76+-0.04......-1.74+-0.040.41+-0.044.60+-0.04Ca I
FeN/A-2.15+-0.04......-2.15+-0.04...5.35+-0.04Fe
SrN/A-2.18......-2.080.070.79Sr
BaN/A-2.30......-2.35-0.20-0.17Ba
EuN/A-1.61......-1.620.53-1.10Eu

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2002-02-02 N/A SUBARUHDS 90000 >100 N/A N/A
N/A FOCES 60000 >100 N/A N/A
N/A VLT 80000 >200 N/A N/A

N.Ryde et al.,AAP, 415, 559, 2004(ADS)

On the Galactic chemical evolution of sulfur


Stellar Parameters

Teff : 6300+-100 log g : 3.97+-0.15 vturb : 1.1+-0.5

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 IN/A-1.930.135.27-1.850.215.27S I
Fe IIN/A-2.06...5.44-2.06...5.44Fe II

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-11-30 N/A MCDONALD 60000 N/A 9000 N/A

M.Takada-Hidai et al.,ApJ, 573, 614, 2002(ADS)

Behavior of Sulfur Abundances in Metal-poor Giants and Dwarfs


Stellar Parameters

Teff : 6300+-100 log g : 3.97+-0.15 vturb : 1.1+-0.5

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 IN/A-1.510.57+-0.12...-1.420.65+-0.125.70S I
Fe IN/A-2.08......-2.07...5.43Fe I
Fe IIN/A-2.11......-2.10...5.40Fe II

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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 KECKHIRES 45000 190-410 N/A N/A

R.Smiljanic et al.,AAP, 499, 103, 2009(ADS)

Beryllium abundances and star formation in the halo and in the thick disk


Stellar Parameters

Teff : 6375 log g : 4.06 vturb : 2.25

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
LiN/A......2.25-1.010.992.25Li
BeN/A......-0.67-2.05-0.05-0.67Be
FeN/A-2......-2.00...5.50Fe

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

W.Aoki et al.,ApJ, 698, 1803, 2009(ADS)

LITHIUM ABUNDANCES OF EXTREMELY METAL-POOR TURNOFF STARS


Stellar Parameters

Teff : 6290+-100 log g : 3.9 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
Li IN/A......2.26+-0.07-1.00+-0.071.20+-0.072.26+-0.07Li I
Na IN/A...0.28...-1.940.264.30Na I
Mg IN/A...0.28...-1.940.265.66Mg I
Fe IN/A-2.15......-2.20...5.30Fe I
Sr IIN/A...0.22...-1.880.320.99Sr II

Binary Parameters

Vrad -14.63+-0.03

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2003-02-22 2452692.83 SUBARUHDS 90000 N/A 10800 -14.63+-0.03

J.A.Rich et al.,ApJ, 701, 1519, 2009(ADS)

BERYLLIUM, OXYGEN, AND IRON ABUNDANCES IN EXTREMELY METAL-DEFICIENT STARS


Stellar Parameters

Teff : 6206+-40 log g : 3.89+-0.13

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
Be IIN/A......-0.83+-0.07-2.21+-0.07-0.01+-0.07-0.83+-0.07Be II
OHN/A-1.49+-0.05......-1.31+-0.050.89+-0.057.38+-0.05OH
FeN/A-2.2+-0.14......-2.20+-0.14...5.30+-0.14Fe

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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 KECKHIRES 46000 N/A N/A N/A

A.Ford et al.,AAP, 393, 617, 2002(ADS)

Lithium 6104 A in Population II stars


Stellar Parameters

Teff : 6330 log g : 3.90

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
Li IN/A......2.36+-0.01-0.90+-0.011.59+-0.012.36+-0.01Li I
FeN/A-2.49......-2.49...5.01Fe

Binary Parameters

Binarity Positive

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-01 N/A WHTUES 50000 285 N/A N/A

M.Bergemann et al.,MNRAS, 401, 1334, 2010(ADS)

NLTE analysis of Co i /Co ii lines in spectra of cool stars with new laboratory hyperfine splitting constants


Stellar Parameters

Teff : 6346+-100 log g : 4.00+-0.08 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
FeN/A-2.16......-2.16...5.34Fe
Co3...0.18+-0.01...-1.98+-0.010.18+-0.013.01+-0.01Co

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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 N/A N/A N/A N/A

A.Hosford et al.,AAP, 511, A47, 2010(ADS)

Lithium abundances of halo dwarfs based on excitation temperatures II. Non-local thermodynamic equilibrium


Stellar Parameters

Teff : 6168 log g : 3.98 vturb : 1.3

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

M.Bergemann et al.,AAP, 522, A9, 2010(ADS)

Chromium: NLTE abundances in metal-poor stars and nucleosynthesis in the Galaxy


Stellar Parameters

Teff : 6346+-100 log g : 4.00+-0.05 vturb : 1.8+-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
Cr I9...-0.24+-0.06...-2.38+-0.06-0.22+-0.063.26+-0.06Cr I
Cr II2...-0.08+-0.04...-2.22+-0.04-0.06+-0.043.42+-0.04Cr II
FeN/A-2.16......-2.16...5.34Fe

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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 FOCES 40000 N/A N/A N/A
2001 N/A VLT 40000 N/A N/A N/A

T.Gehren et al.,AAP, 451, 1065, 2006(ADS)

Na, Mg and Al abundances as a population discriminant for nearby metal-poor stars


Stellar Parameters

Teff : 6346 log g : 4.00+-0.12 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
Na I2...0.33...-1.740.414.50Na I
Mg I4...0.24...-1.940.215.66Mg I
FeN/A-2.16......-2.15...5.35Fe

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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 FOCES 40000 200 6900 N/A

D.Fabbian et al.,AAP, 500, 1143, 2009(ADS)

The C/O ratio at low metallicity:constraints on early chemical evolution from observations of Galactic halo stars


Stellar Parameters

Teff : 6357 log g : 4.07

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-1.86...6.53-1.900.266.53C
ON/A-1.39...7.27-1.420.747.27O
FeN/A-2.11......-2.16...5.34Fe

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004 N/A VLT 60000 170-220 N/A N/A

M.Spite et al.,AAP, 600, 26, 2017(ADS)

Abundances of the light elements from UV (HST) and red (ESO) spectra in the very old star HD 84937


Stellar Parameters

Teff : 6300 log g : 4.0 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
C IN/A-2.06+-0.040.19+-0.04...-1.99+-0.040.26+-0.046.44+-0.04C I
CHN/A-1.860.39...-1.790.466.64CH
O IN/A-1.480.77...-1.300.957.39O I
OHN/A-1.470.78...-1.290.967.40OH
MgN/A-1.99+-0.070.26+-0.07...-2.05+-0.070.20+-0.075.55+-0.07Mg
SiN/A-1.9+-0.060.35+-0.06...-1.89+-0.060.36+-0.065.62+-0.06Si
P IN/A-2.57+-0.07-0.32+-0.07...-2.55+-0.07-0.30+-0.072.88+-0.07P I
SN/A-1.83+-0.030.42+-0.03...-1.79+-0.030.46+-0.035.33+-0.03S
KN/A-1.68+-0.030.57+-0.03...-1.60+-0.030.65+-0.033.43+-0.03K
CaN/A-1.78+-0.080.47+-0.08...-1.79+-0.080.46+-0.084.55+-0.08Ca
FeN/A-2.25......-2.25...5.25Fe

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.3 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 HARPSESO 115000 >150 N/A
N/A HST 114000 >=50 106400 N/A
N/A VLT 65000 >500 N/A N/A

A.M.Boesgaard et al.,ApJ, 743, 140, 2011(ADS)

Beryllium and Alpha-element Abundances in a Large Sample of Metal-poor Stars


Stellar Parameters

Teff : 6206+-100 log g : 3.89+-0.2 vturb : 1.5+-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
BeN/A...-0.05+-0.15-0.83+-0.12-2.21+-0.12-0.01+-0.15-0.83+-0.12Be
ON/A-1.49+-0.22+0.71+-0.24...-1.55+-0.220.65+-0.247.14+-0.22O
FeN/A-2.20+-0.09......-2.20+-0.09...5.30+-0.09Fe

Position

Right Ascension : Declination : 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 KECKHIRES 42000 N/A N/A N/A

T.Mishenina et al.,MNRAS, 469, 4378, 2017(ADS)

Observing the metal-poor solar neighbourhood: a comparison of galactic chemical evolution predictions


Stellar Parameters

Teff : 6325+-100 log g : 3.95+-0.2 vturb : 1.4+-0.1

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
Li IN/A......2.31-0.951.292.31Li I
Na IN/A...-0.23+-0.14...-2.46+-0.14-0.22+-0.143.78+-0.14Na I
Mg IN/A...0.42+-0.10...-1.88+-0.100.36+-0.105.72+-0.10Mg I
Al IN/A...-0.19+-0.15...-2.45+-0.15-0.21+-0.154.00+-0.15Al I
Si IN/A...0.64+-0.20...-1.59+-0.200.65+-0.205.92+-0.20Si I
Ca IN/A...0.46+-0.13...-1.81+-0.130.43+-0.134.53+-0.13Ca I
Sc IIN/A...0.05+-0.03...-2.28+-0.03-0.04+-0.030.87+-0.03Sc II
TiN/A...0.47+-0.03...-1.75+-0.030.49+-0.033.20+-0.03Ti
CrN/A...-0.01+-0.08...-2.24+-0.080.00+-0.083.40+-0.08Cr
FeN/A-2.24+-0.06......-2.24+-0.06...5.26+-0.06Fe
Co IN/A...0.16+-0.03...-2.11+-0.030.13+-0.032.88+-0.03Co I
Ni IN/A...0.09+-0.05...-2.17+-0.050.07+-0.054.05+-0.05Ni I
Zn IN/A...0.10+-0.00...-2.16+-0.000.08+-0.002.40+-0.00Zn I
Sr IIN/A...0.07+-0.15...-2.12+-0.150.12+-0.150.75+-0.15Sr II
Ba IIN/A...0.13+-0.10...-2.12+-0.100.12+-0.100.06+-0.10Ba II

Position

Right Ascension : 09 48 56.09801 Declination : +13 44 39.3237 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2013-12-09 N/A N/A 75000 167 N/A -15.015

H.Li et al.,ApJ, 852, L31, 2018(ADS)

Enormous Li Enhancement Preceding Red Giant Phases in Low-mass Stars in the Milky Way Halo


Stellar Parameters

Teff : 6263+-150 log g : 3.75+-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
LiN/A......2.21+-0.12-1.05+-0.121.26+-0.122.21+-0.12Li
CN/A...0.38+-0.31...-1.93+-0.310.38+-0.316.50+-0.31C
NaN/A...-0.3+-0.13...-2.61+-0.13-0.30+-0.133.63+-0.13Na
MgN/A...0.31+-0.15...-2.00+-0.150.31+-0.155.60+-0.15Mg
FeN/A-2.31+-0.3......-2.31+-0.3...5.19+-0.3Fe
BaN/A...-0.08+-0.18...-2.39+-0.18-0.08+-0.18-0.21+-0.18Ba

Position

Right Ascension : 09 48 56.09801 Declination : +13 44 39.3237 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 60000 50-200 N/A N/A

I.U.Roederer et al.,ApJ, 860, 125, 2018(ADS)

Consistent Iron Abundances Derived from Neutral and Singly Ionized Iron Lines in Ultraviolet and Optical Spectra of Six Warm Metal-poor Stars


Stellar Parameters

Teff : 6418+-117 log g : 4.16+-0.14 vturb : 1.50+-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
Fe IN/A-2.24+-0.11......-2.24+-0.11...5.26+-0.11Fe I
Fe IIN/A-2.23+-0.09......-2.23+-0.09...5.27+-0.09Fe II

Position

Right Ascension : 09 48 56.09 Declination : +13 44 39.32 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 114000 50 N/A N/A
N/A N/A HST 30000 55 N/A N/A

A.M.Amarsi et al.,AAP, 622, L4, 2019(ADS)

Carbon and oxygen in metal-poor halo stars


Stellar Parameters

Teff : 6340 log g : 4.05

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...0.16...-1.910.166.52C
ON/A...0.63...-1.440.637.25O
FeN/A-2.07......-2.07...5.43Fe

Position

Right Ascension : 09 48 56.10 Declination : +13 44 39.34 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 60000 15-300 N/A N/A

R.C.Peterson et al.,AAP, 638, 64, 2020(ADS)

Trans-iron Ge, As, Se, and heavier elements in the dwarf metal-poor stars HD 19445, HD 84937, HD 94028, HD 140283, and HD 160617


Stellar Parameters

Teff : 6300 log g : 4.0 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
FeN/A-2.25......-2.25...5.25Fe
GeN/A...-0.470.91-2.74-0.490.91Ge
AsN/A...-0.63-0.58+-0.09-2.88+-0.09-0.63-0.58+-0.09As
SeN/A...+0.141.23+-0.10-2.11+-0.100.141.23+-0.10Se
SrN/A...+0.390.97-1.900.350.97Sr
YN/A...-0.01-0.05-2.26-0.01-0.05Y
ZrN/A...+0.310.65-1.930.320.65Zr
MoN/A...+0.620.25+-0.04-1.63+-0.040.620.25+-0.04Mo
RuN/A...+0.950.45+-0.07-1.30+-0.070.950.45+-0.07Ru
CdN/A...+0.12-0.36+-0.08-2.07+-0.080.18-0.36+-0.08Cd
SnN/A...-0.11-0.34+-0.18-2.41+-0.18-0.16-0.34+-0.18Sn
BaN/A...-0.22-0.22-2.40-0.15-0.22Ba
EuN/A...+0.38-1.35-1.870.38-1.35Eu

Position

Right Ascension : Declination : Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2016 N/A HST 114000 >50 N/A N/A

I.U.Roederer et al.,ApJ, 912, 119, 2021(ADS)

Detection of Al II in the Ultraviolet Spectra of Metal-poor Stars: An Empirical LTE Test of NLTE Aluminum Abundance Calculations


Stellar Parameters

Teff : 6418 log g : 4.16 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
AlN/A...+0.03+-0.11...-2.25+-0.110.03+-0.114.20+-0.11Al
Al I9......3.56+-0.10-2.89+-0.10-0.61+-0.103.56+-0.10Al I
Al II1......4.20+-0.10-2.25+-0.100.03+-0.104.20+-0.10Al II
Fe IIN/A-2.28+-0.10......-2.28+-0.10...5.22+-0.10Fe II

Position

Right Ascension : Declination : 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 114000 N/A N/A N/A
N/A N/A VLT 54000 N/A N/A N/A
N/A N/A VLT 74000 N/A N/A N/A

R.C.Peterson et al.,ApJ, 914, L22, 2021(ADS)

The Abundance of Lead in Four Metal-poor Stars


Stellar Parameters

Teff : 6300 log g : 4.0 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
FeN/A-2.25......-2.25...5.25Fe
BaN/A...-0.22...-2.40-0.15-0.22Ba
EuN/A...+0.38...-1.870.38-1.35Eu
PbN/A...+0.4+-0.2...-1.83+-0.20.42+-0.20.21+-0.2Pb

Position

Right Ascension : Declination : 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 114000 >50 N/A N/A

G.Israelian et al.,AAP, 421, 649, 2004(ADS)

Galactic evolution of nitrogen


Stellar Parameters

Teff : 6277+-75 log g : 4.03+-0.09 vturb : 1.00

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
NHN/A<-2.06......<-1.84<0.05<5.99NH
FeN/A-2.06......-1.89...5.61Fe

Position

Right Ascension : Declination : Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log