HD196944

taken from 12 paper(s):

/W.Aoki et al.(2002)/ /S.VanEck et al.(2003)/ /W.Aoki et al.(2002)/ /K.Jonsell et al.(2005)/ /I.U.Roederer et al.(2008)/ /I.U.Roederer et al.(2014)/ /T.Masseron et al.(2010)/ /V.Placco et al.(2015)/ /I.U.Roederer et al.(2020)/ /D.Karinkuzhi et al.(2021)/ /E.A.DenHartog et al.(2021)/ /I.U.Roederer and J. E. Lawler(2021)/

W.Aoki et al.,ApJ, 580, 1149, 2002(ADS)

A SUBARU/HIGH DISPERSION SPECTROGRAPH STUDY OF LEAD (Pb) ABUNDANCES IN EIGHT s-PROCESS ELEMENT–RICH, METAL-POOR STARS


Stellar Parameters

Teff : 5250 log g : 1.8 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
Fe I76-2.25+-0.19...5.25+-0.19-2.25+-0.19...5.25+-0.19Fe I
Fe II10-2.26+-0.20...5.24+-0.20-2.26+-0.20...5.24+-0.20Fe II
Sr II3...0.84+-0.221.51+-0.22-1.36+-0.220.89+-0.221.51+-0.22Sr II
Y II7...0.56+-0.220.54+-0.22-1.67+-0.220.58+-0.220.54+-0.22Y II
Zr II6...0.66+-0.201.02+-0.20-1.56+-0.200.69+-0.201.02+-0.20Zr II
Ba II3...1.10+-0.191.07+-0.19-1.11+-0.191.14+-0.191.07+-0.19Ba II
La II6...0.91+-0.28-0.12+-0.28-1.22+-0.281.03+-0.28-0.12+-0.28La II
Ce II30...1.01+-0.190.39+-0.19-1.19+-0.191.06+-0.190.39+-0.19Ce II
Nd II16...0.86+-0.200.10+-0.20-1.32+-0.200.93+-0.200.10+-0.20Nd II
Sm II5...0.78+-0.23-0.49+-0.23-1.45+-0.230.80+-0.23-0.49+-0.23Sm II
Eu II4...0.17+-0.19-1.53+-0.19-2.05+-0.190.20+-0.19-1.53+-0.19Eu II
Dy II1...0.46+-0.17-0.62+-0.17-1.72+-0.170.53+-0.17-0.62+-0.17Dy II
Er II2...0.81+-0.22-0.47+-0.22-1.39+-0.220.86+-0.22-0.47+-0.22Er II
Pb II2...1.9+-0.241.7+-0.24-0.34+-0.241.91+-0.241.7+-0.24Pb II

Position

Right Ascension : 20 40 46.09 Declination : -06 47 50.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-07-25 2452116 SUBARUHDS 90000 150 20*1 -174.76+-0.36

S.VanEck et al.,AAP, 404, 291, 2003(ADS)

More lead stars


Stellar Parameters

Teff : 5250 log g : 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
FeN/A-2.4+-0.3......-2.40+-0.3...5.10+-0.3Fe
ZrN/A...0.6+-0.1...-1.78+-0.10.62+-0.10.80+-0.1Zr
LaN/A...1.0+-0.1...-1.33+-0.11.07+-0.1-0.23+-0.1La
CeN/A...1.1+-0.1...-1.30+-0.11.10+-0.10.28+-0.1Ce
NdN/A...0.7+-0.05...-1.62+-0.050.78+-0.05-0.20+-0.05Nd
SmN/A...0.6+-0.2...-1.75+-0.20.65+-0.2-0.79+-0.2Sm
PbN/A...2.1+-0.05...-0.28+-0.052.12+-0.051.76+-0.05Pb

Binary Parameters

Vrad -174.1+-0.4

Position

Right Ascension : 20 40 46.09 Declination : -06 47 50.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-09-16 2451804.479 CESESO 135000 140 N/A -174.1+-0.4

W.Aoki et al.,PASJ, 54, 933, 2002(ADS)

Subaru/HDS Study of the Extremely Metal-Poor Star CS 29498-043: Abundance Analysis Details and Comparison with Other Carbon-Rich Objects


Stellar Parameters

Teff : 5250 log g : 1.8 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
CN/A...+1.2+-0.24...-0.93+-0.241.32+-0.247.50+-0.24C
CNN/A...+1.3...-0.811.447.02CN
Mg I5...+0.42+-0.21...-1.85+-0.210.40+-0.215.75+-0.21Mg I
Al I1...-0.34+-0.19...-2.57+-0.19-0.32+-0.193.88+-0.19Al I
Ca I5...+0.33+-0.14...-1.90+-0.140.35+-0.144.44+-0.14Ca I
Ti I18...+0.27+-0.12...-1.91+-0.120.34+-0.123.04+-0.12Ti I
Ti II14...+0.27+-0.21...-1.91+-0.210.34+-0.213.04+-0.21Ti II
Cr I4...-0.13+-0.12...-2.35+-0.12-0.10+-0.123.29+-0.12Cr I
Mn I1...-0.05+-0.40...-2.34+-0.40-0.09+-0.403.09+-0.40Mn I
Fe I76-2.25+-0.19......-2.25+-0.19...5.25+-0.19Fe I
Fe II10-2.26+-0.20......-2.26+-0.20...5.24+-0.20Fe II
Co I4...+0.12+-0.05...-2.20+-0.050.05+-0.052.79+-0.05Co I
Ni I13...+0.02+-0.27...-2.20+-0.270.05+-0.274.02+-0.27Ni I
Zn I1...+0.09+-0.19...-2.12+-0.190.13+-0.192.44+-0.19Zn I
Sr II3...+0.84+-0.22...-1.31+-0.220.94+-0.221.56+-0.22Sr II
Ba II3...+1.10+-0.19...-1.20+-0.191.05+-0.190.98+-0.19Ba II

Isotopic Ratio

12C/13C 5+-1

Binary Parameters

Vrad -174.76+-0.36

Position

Right Ascension : 20 40 46.09 Declination : -06 47 50.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2452116 SUBARUHDS 90000 N/A N/A -174.76+-0.36

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

Chemical abundances in 43 metal-poor stars


Stellar Parameters

Teff : 5250 log g : 1.70 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...0.85...-1.410.827.28O I
Na IN/A...0.07...-2.070.164.17Na I
Mg IN/A...0.38...-1.870.365.73Mg I
Si IN/A...0.43...-1.760.475.75Si I
Ca IN/A...0.32...-1.890.344.45Ca I
Sc IIN/A...-0.30...-2.51-0.280.64Sc II
FeN/A-2.23......-2.23...5.27Fe
Fe IIN/A...-0.11...-2.34-0.115.16Fe II
Ba IIN/A...1.14...-1.141.091.04Ba II

Position

Right Ascension : 20 40 46.09 Declination : -06 47 50.7 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 CATCESESO 60000 200 N/A N/A

I.U.Roederer et al.,ApJ, 675, 723, 2008(ADS)

Europium, Samarium, and Neodymium Isotopic Fractions in Metal-Poor Stars


Stellar Parameters

Teff : 5170+-100 log g : 1.80+-0.3 vturb : 1.7+-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
Fe IN/A-2.46+-0.15......-2.44+-0.15...5.06+-0.15Fe I
Fe IIN/A-2.43......-2.41...5.09Fe II

Isotopic Ratio

152Sm/154Sm 0.35+-0.14
142Nd/144Nd 0.36+0.64-0.36

Binary Parameters

Binarity Positive
Vrad -166.4+-0.3

Position

Right Ascension : 20 40 46.09 Declination : -06 47 50.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2006-06-12 N/A MCDONALD 120000 160-400 30min -166.4+-0.3

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 : 5310+-48 log g : 1.75+-0.33 vturb : 1.65+-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......<0.55<-2.71<-0.32<0.55Li I
CH1...1.19+-0.257.23-1.201.19+-0.257.23CH
NH1...1.51+-0.366.95-0.881.51+-0.366.95NH
O I3...0.36+-0.186.66-2.030.36+-0.186.66O I
Mg I5...0.42+-0.175.62-1.980.41+-0.175.62Mg I
Al I1...-0.51+-0.253.55-2.90-0.51+-0.253.55Al I
Si I2...0.71+-0.245.82-1.690.70+-0.245.82Si I
Ca I7...0.46+-0.194.41-1.930.46+-0.194.41Ca I
Sc II4...-0.01+-0.150.76-2.39-0.00+-0.150.76Sc II
Ti I18...0.26+-0.172.82-2.130.26+-0.172.82Ti I
Ti II19...0.35+-0.152.91-2.040.35+-0.152.91Ti II
V I1...-0.03+-0.191.51-2.42-0.03+-0.191.51V I
V II1...0.13+-0.241.67-2.260.13+-0.241.67V II
Cr I8...-0.15+-0.173.10-2.54-0.15+-0.173.10Cr I
Cr II2...0.25+-0.153.50-2.140.25+-0.153.50Cr II
Mn I2...-0.48+-0.172.56-2.87-0.48+-0.172.56Mn I
Mn II3...-0.39+-0.212.65-2.78-0.39+-0.212.65Mn II
Fe I82-2.39+-0.17...5.11-2.39+-0.17...5.11Fe I
Fe II8-2.39+-0.15...5.11-2.39+-0.15...5.11Fe II
Co I4...-0.18+-0.212.42-2.57-0.18+-0.212.42Co I
Ni I9...-0.01+-0.213.81-2.41-0.02+-0.213.81Ni I
Cu I1...<-0.22<1.58<-2.61<-0.22<1.58Cu I
Zn I2...0.28+-0.162.45-2.110.28+-0.162.45Zn I
Rb I1...<1.94<2.07<-0.29<2.10<2.07Rb I
Sr II2...0.93+-0.211.42-1.450.94+-0.211.42Sr II
Y II5...0.53+-0.160.35-1.860.53+-0.160.35Y II
Zr II3...0.85+-0.141.04-1.540.85+-0.141.04Zr II
Tc I1......<1.74<1.74<4.13<1.74Tc I
Ba II4...1.47+-0.161.26-0.921.47+-0.161.26Ba II
La II4...0.94+-0.15-0.34-1.440.95+-0.15-0.34La II
Ce II5...1.08+-0.150.27-1.311.08+-0.150.27Ce II
Pr II3...0.94+-0.16-0.72-1.440.95+-0.16-0.72Pr II
Nd II5...1.06+-0.150.09-1.331.06+-0.150.09Nd II
Sm II2...0.72+-0.15-0.71-1.670.72+-0.15-0.71Sm II
Eu II1...0.12+-0.15-1.75-2.270.12+-0.15-1.75Eu II
Gd II2...0.75+-0.18-0.57-1.640.75+-0.18-0.57Gd II
Tb II2...<1.11<-0.98<-1.30<1.09<-0.98Tb II
Dy II2...0.54+-0.17-0.75-1.850.54+-0.17-0.75Dy II
Er II2...0.69+-0.17-0.77-1.690.70+-0.17-0.77Er II
Tm II1...<1.55<-0.74<-0.86<1.53<-0.74Tm II
Yb II1...0.79+-0.19-0.68-1.600.79+-0.19-0.68Yb II
Hf II2...0.97+-0.23-0.57-1.281.11+-0.23-0.57Hf II
Ir I1...<1.93<0.92<-0.46<1.93<0.92Ir I
Pb I1...2.08+-0.171.73-0.312.08+-0.171.73Pb I
Th II1...<1.28<-1.05<-1.11<1.28<-1.05Th II

Binary Parameters

Binarity Positive
Vrad -166.8

Position

Right Ascension : 20 40 46.09 Declination : -06 47 50.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2009-10-24-23:33 2455129.482 MIKELCO 41000 135-390 120 -166.8

T.Masseron et al.,AAP, 509, A93, 2010(ADS)

A holistic approach to carbon-enhanced metal-poor stars


Stellar Parameters

Teff : 5250 log g : 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
CN/A...1.3+-0.1...-0.93+-0.11.31+-0.17.50+-0.1C
NN/A...1.41+-0.1...-0.83+-0.11.41+-0.17.00+-0.1N
ON/A...0.63+-0.2...-1.59+-0.20.65+-0.27.10+-0.2O
MgN/A...0.56+-0.09...-1.70+-0.090.54+-0.095.90+-0.09Mg
FeN/A-2.19+-0.13......-2.24+-0.13...5.26+-0.13Fe
BaN/A...1.22+-0.2...-0.98+-0.21.26+-0.21.20+-0.2Ba
LaN/A...0.86+-0.05...-1.30+-0.050.94+-0.05-0.20+-0.05La
CeN/A...1.67+-0.1...-0.52+-0.11.72+-0.11.06+-0.1Ce
PbN/A...2.15+-0.1...-0.06+-0.12.18+-0.11.98+-0.1Pb

Isotopic Ratio

12C/13C 5+-1

Position

Right Ascension : 20 40 46.09 Declination : -06 47 50.7 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 R=40000 N/A N/A N/A

V.Placco et al.,ApJ, 812, 109, 2015(ADS)

Hubble Space Telescope Near-Ultraviolet Spectroscopy of Bright CEMP-s Stars


Stellar Parameters

Teff : 5170+-100 log g : 1.60+-0.25 vturb : 1.55+-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
CH2...1.08+-0.27.1+-0.2-1.33+-0.21.08+-0.27.1+-0.2CH
NH1...1.08+-0.256.5+-0.25-1.33+-0.251.08+-0.256.5+-0.25NH
Na I2...0.82+-0.014.65+-0.01-1.59+-0.010.82+-0.014.65+-0.01Na I
Mg I6...0.36+-0.075.55+-0.07-2.05+-0.070.36+-0.075.55+-0.07Mg I
Ca I7...0.39+-0.044.32+-0.04-2.02+-0.040.39+-0.044.32+-0.04Ca I
Sc II4...0.04+-0.030.78+-0.03-2.37+-0.030.04+-0.030.78+-0.03Sc II
Ti I23...0.27+-0.022.81+-0.02-2.14+-0.020.27+-0.022.81+-0.02Ti I
Ti II28...0.28+-0.032.82+-0.03-2.13+-0.030.28+-0.032.82+-0.03Ti II
Cr I18...-0.07+-0.043.16+-0.04-2.48+-0.04-0.07+-0.043.16+-0.04Cr I
Cr II9...0.12+-0.053.35+-0.05-2.29+-0.050.12+-0.053.35+-0.05Cr II
Mn I4...-0.03+-0.232.99+-0.23-2.44+-0.23-0.03+-0.232.99+-0.23Mn I
Fe I87-2.41+-0.01...5.09-2.41+-0.01...5.09Fe I
Fe II25-2.41+-0.02...5.09-2.41+-0.02...5.09Fe II
Ni I15...0.02+-0.033.83+-0.03-2.39+-0.030.02+-0.033.83+-0.03Ni I
Zn I2...0.28+-0.052.43+-0.15-2.13+-0.150.28+-0.052.43+-0.15Zn I
Sr II2...0.79+-0.151.25+-0.15-1.62+-0.150.79+-0.151.25+-0.15Sr II
Y II9...0.58+-0.030.38+-0.03-1.83+-0.030.58+-0.030.38+-0.03Y II
Ba II3...1.23+-0.051+-0.05-1.18+-0.051.23+-0.051+-0.05Ba II
La II3...1.04+-0.05-0.27+-0.05-1.37+-0.051.04+-0.05-0.27+-0.05La II
Ce II6...1.08+-0.050.25+-0.05-1.33+-0.051.08+-0.050.25+-0.05Ce II
Nd II3...0.98+-0.05-0.01+-0.05-1.43+-0.050.98+-0.05-0.01+-0.05Nd II
Eu II2...-0.11+-0.1-2+-0.1-2.52+-0.1-0.11+-0.1-2+-0.1Eu II
Pb I1...2.16+-0.21.5+-0.2-0.54+-0.21.87+-0.21.5+-0.2Pb I

Isotopic Ratio

12C/13C 4

Binary Parameters

Binarity Positive
Vrad -172.90+-0.45
Period 1325

Position

Right Ascension : 20 40 46.09 Declination : -06 47 50.7 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004-10-01 2453279.755 KECKHIRES 48000 900 -176.40+-0.60
2007-06-05 2454257.058 KECKHIRES 103000 600 -169.40+-0.30
2007-06-07 N/A KECKHIRES 103000 300 N/A
2012-09-22 N/A HST 30000 45,70,>90 7900 N/A

I.U.Roederer et al.,ApJ, 902, L24, 2020(ADS)

Detection of Pb II in the Ultraviolet Spectra of Three Metal-poor Stars


Stellar Parameters

Teff : 5170+-100 log g : 1.60+-0.25 vturb : 1.55+-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
FeN/A-2.41+-0.18......-2.41+-0.18...5.09+-0.18Fe
BaN/A...+1.23+-0.261.00+-0.11-1.18+-0.111.23+-0.261.00+-0.11Ba
EuN/A...-0.11+-0.10-2.00+-0.10-2.52+-0.10-0.11+-0.10-2.00+-0.10Eu
PbN/A...+2.28+-0.231.91+-0.30-0.13+-0.302.28+-0.231.91+-0.30Pb

Binary Parameters

Binarity Positive

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 HST 114000 40 N/A N/A

D.Karinkuzhi et al.,AAP, 645, 61, 2021(ADS)

Low-mass low-metallicity AGB stars as an efficient i-process site explaining CEMP-rs stars


Stellar Parameters

Teff : 5168+-48 log g : 1.28+-0.16 vturb : 1.68+-0.11

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
C3...1.22+-0.117.15+-0.06-1.28+-0.061.22+-0.117.15+-0.06C
N5...1.37+-0.336.70+-0.08-1.13+-0.081.37+-0.336.70+-0.08N
O1...0.81+-0.187.00+-0.10-1.69+-0.100.81+-0.187.00+-0.10O
Mg2...0.29+-0.145.45+-0.15-2.15+-0.150.35+-0.145.45+-0.15Mg
CaN/A...0.36...-2.140.364.20Ca
ScN/A...0.05...-2.450.050.70Sc
TiN/A...0.15...-2.350.152.60Ti
CrN/A...-0.22...-2.72-0.222.92Cr
MnN/A...-0.38...-2.88-0.382.55Mn
Fe30......5.00+-0.13-2.50+-0.13...5.00+-0.13Fe
CoN/A...-0.09...-2.59-0.092.40Co
NiN/A...-0.02...-2.52-0.023.70Ni
ZnN/A...0.24...-2.260.242.30Zn
Y6...0.31+-0.160.02+-0.09-2.19+-0.090.31+-0.160.02+-0.09Y
Zr4...0.52+-0.130.60+-0.06-1.98+-0.060.52+-0.130.60+-0.06Zr
Nb1...1.04+-0.150.00+-0.10-1.46+-0.101.04+-0.150.00+-0.10Nb
Ba1...1.02+-0.170.70+-0.10-1.48+-0.101.02+-0.170.70+-0.10Ba
La3...0.77+-0.14-0.6+-0.09-1.70+-0.090.80+-0.14-0.6+-0.09La
Ce5...0.89+-0.14-0.0+-0.08-1.58+-0.080.92+-0.14-0.0+-0.08Ce
Pr6...0.98+-0.14-0.8+-0.12-1.52+-0.120.98+-0.14-0.8+-0.12Pr
Nd7...0.81+-0.13-0.2+-0.03-1.62+-0.030.88+-0.13-0.2+-0.03Nd
Sm6...0.74+-0.15-0.8+-0.12-1.76+-0.120.74+-0.15-0.8+-0.12Sm
Eu2...0.50+-0.20-1.4+-0.15-1.92+-0.150.58+-0.20-1.4+-0.15Eu
Dy2...0.80+-0.15-0.6+-0.10-1.70+-0.100.80+-0.15-0.6+-0.10Dy
Er1...1.08+-0.11-0.5+-0.10-1.42+-0.101.08+-0.11-0.5+-0.10Er
Pb1...2.35+-0.251.60+-0.10-0.44+-0.102.06+-0.251.60+-0.10Pb

Isotopic Ratio

12C/13C 12

Binary Parameters

Binarity Positive

Position

Right Ascension : 20 40 46.08 Declination : -06 47 50.64 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 HERMES 86000 N/A N/A N/A
N/A N/A VLT N/A N/A N/A N/A

E.A.DenHartog et al.,ApJS, 254, 5, 2021(ADS)

Improved Atomic Transition Probabilities for UV and Optical Lines of Hf II and Determination of the Hf Abundance in Two Metal-poor Stars


Stellar Parameters

Teff : 5170 log g : 1.60 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
FeN/A-2.41......-2.41...5.09Fe
HfN/A...0.84+-0.03-0.72+-0.03-1.43+-0.030.98+-0.03-0.72+-0.03Hf

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 HST 114000 N/A N/A N/A
N/A MIKELCO 41000 N/A 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 : 5170 log g : 1.60 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
AlN/A...+0.12+-0.19...-2.29+-0.190.12+-0.194.16+-0.19Al
Al I6......3.22+-0.16-3.23+-0.16-0.82+-0.163.22+-0.16Al I
Al II1......4.16+-0.18-2.29+-0.180.12+-0.184.16+-0.18Al II
Fe IIN/A-2.41+-0.08......-2.41+-0.08...5.09+-0.08Fe 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 30000 N/A N/A N/A
N/A N/A HST 114000 N/A N/A N/A
N/A N/A MIKELCO 41000 N/A N/A N/A