BD+44_493

taken from 10 paper(s):

/B.W.Carney et al.(2003)/ /H.Ito et al.(2009)/ /Y.Takeda and M. Takada-Hidai(2011)/ /H.Ito et al.(2013)/ /V.M.Placco et al.(2014)/ /I.U.Roederer et al.(2014)/ /I.U.Roederer et al.(2014)/ /I.U.Roederer et al.(2016)/ /A.Arentsen et al.(2019)/ /I.U.Roederer and J. E. Lawler(2021)/

B.W.Carney et al.,AJ, 125, 293, 2003(ADS)

Spectroscopic Binaries, Velocity Jitter, and Rotation in Field Metal-poor Red Giant and Red Horizontal-Branch Stars


Stellar Parameters

Teff : 5510 log g : 2.6

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
FeN/A-2.71......-2.71...4.79Fe

Binary Parameters

Vrad -150.64

Position

Right Ascension : 02 26 49.70 Declination : +44 57 46.0 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 2445726.70425 TILLINGHAST N/A N/A N/A -150.66+-0.55
N/A 2445965.74253 WYETH N/A N/A N/A -151.16+-0.77
N/A 2446301.84954 WYETH N/A N/A N/A -149.55+-0.68
N/A 2446337.87215 WYETH N/A N/A N/A -151.57+-0.57
N/A 2446365.71737 WYETH N/A N/A N/A -150.93+-0.67
N/A 2446427.66370 WYETH N/A N/A N/A -150.66+-0.50
N/A 2446449.64544 WYETH N/A N/A N/A -150.58+-0.74
N/A 2446510.61108 TILLINGHAST N/A N/A N/A -150.67+-0.57
N/A 2446723.78522 TILLINGHAST N/A N/A N/A -150.13+-0.46
N/A 2446832.60245 TILLINGHAST N/A N/A N/A -150.35+-0.55
N/A 2446865.62248 TILLINGHAST N/A N/A N/A -149.82+-0.49
N/A 2446954.96702 MMT N/A N/A N/A -150.66+-0.55
N/A 2446959.97945 MMT N/A N/A N/A -150.96+-0.56
N/A 2446986.99117 MMT N/A N/A N/A -149.73+-0.48
N/A 2447076.86357 TILLINGHAST N/A N/A N/A -151.33+-0.52
N/A 2447109.81969 TILLINGHAST N/A N/A N/A -150.51+-0.58
N/A 2447136.74070 TILLINGHAST N/A N/A N/A -151.15+-0.55
N/A 2447426.92739 TILLINGHAST N/A N/A N/A -150.90+-0.44
N/A 2447433.90274 TILLINGHAST N/A N/A N/A -150.00+-0.52
N/A 2447835.51613 WYETH N/A N/A N/A -152.41+-0.72
N/A 2447909.65319 TILLINGHAST N/A N/A N/A -150.88+-0.66
N/A 2447930.57246 MMT N/A N/A N/A -149.78+-0.60
N/A 2448857.74185 WYETH N/A N/A N/A -150.96+-0.66
N/A 2449234.95170 MMT N/A N/A N/A -151.33+-0.43
N/A 2449613.83663 TILLINGHAST N/A N/A N/A -151.32+-0.59
N/A 2449701.62910 TILLINGHAST N/A N/A N/A -152.24+-0.52
N/A 2450659.79934 WYETH N/A N/A N/A -149.22+-0.69
N/A 2450708.79411 WYETH N/A N/A N/A -151.07+-0.51

H.Ito et al.,ApJ, 698, L37, 2009(ADS)

BD+44 493: A NINTH MAGNITUDE MESSENGER FROM THE EARLY UNIVERSE; CARBON ENHANCED AND BERYLLIUM POOR


Stellar Parameters

Teff : 5510 log g : 3.7 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
Li IN/A......1.04+-0.09-2.22+-0.091.51+-0.091.04+-0.09Li I
Be IIN/A......<-2.0<-3.38<0.35<-2.0Be II
CHN/A...+1.31+-0.236.02+-0.23-2.41+-0.231.32+-0.236.02+-0.23CH
NHN/A...+0.32+-0.324.42+-0.32-3.41+-0.320.32+-0.324.42+-0.32NH
OHN/A...+1.59+-0.266.57+-0.26-2.12+-0.261.61+-0.266.57+-0.26OH
Na I2...+0.27+-0.132.76+-0.13-3.48+-0.130.25+-0.132.76+-0.13Na I
Mg I7...+0.52+-0.104.37+-0.10-3.23+-0.100.50+-0.104.37+-0.10Mg I
Al I1...-0.57+-0.162.12+-0.16-4.33+-0.16-0.60+-0.162.12+-0.16Al I
Si I1...+0.41+-0.194.24+-0.19-3.27+-0.190.46+-0.194.24+-0.19Si I
Ca I9...+0.27+-0.062.90+-0.06-3.44+-0.060.29+-0.062.90+-0.06Ca I
Sc II6...+0.43+-0.12-0.20+-0.12-3.35+-0.120.38+-0.12-0.20+-0.12Sc II
Ti I5...+0.32+-0.111.54+-0.11-3.41+-0.110.32+-0.111.54+-0.11Ti I
Ti II13...+0.31+-0.111.53+-0.11-3.42+-0.110.31+-0.111.53+-0.11Ti II
V I1...<-0.42<-1.00<-4.93<-1.20<-1.00V I
Cr I6...-0.44+-0.111.52+-0.11-4.12+-0.11-0.39+-0.111.52+-0.11Cr I
Mn I2...-1.22+-0.140.59+-0.14-4.84+-0.14-1.11+-0.140.59+-0.14Mn I
Fe I107-3.68+-0.11...3.77+-0.11-3.73+-0.11...3.77+-0.11Fe I
Fe II7-3.68+-0.11...3.77+-0.11-3.73+-0.11...3.77+-0.11Fe II
Co I6...+0.48+-0.101.72+-0.10-3.27+-0.100.46+-0.101.72+-0.10Co I
Ni I5...+0.04+-0.112.59+-0.11-3.63+-0.110.10+-0.112.59+-0.11Ni I
Zn I1...<0.37<1.29<-3.27<0.46<1.29Zn I
Sr II2...-0.26+-0.15-1.02+-0.15-3.89+-0.15-0.16+-0.15-1.02+-0.15Sr II
Y II1...-0.34+-0.17-1.81+-0.17-4.02+-0.17-0.29+-0.17-1.81+-0.17Y II
Zr II1...<-0.22<-1.31<-3.89<-0.16<-1.31Zr II
Ba II2...-0.59+-0.15-2.10+-0.15-4.28+-0.15-0.55+-0.15-2.10+-0.15Ba II
Eu II1...<+0.13<-3.03<-3.55<0.18<-3.03Eu II
Pb I1...<+1.41<-0.27<-2.31<1.42<-0.27Pb I

Position

Right Ascension : 02 26 49.70 Declination : +44 57 46.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-10-05 N/A SUBARUHDS 90000 100-400 7200 N/A
2008-11-15 N/A SUBARUHDS 60000 100-400 300 N/A

Y.Takeda et al.,PASJ, 63, S537, 2011(ADS)

Exploring the [S/Fe] Behavior of Metal-Poor Stars with the Si 1.046 um Lines


Stellar Parameters

Teff : 5510 log g : 3.70 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
S IN/A......4.83-2.291.394.83S I
FeN/A-3.68......-3.68...3.82Fe

Position

Right Ascension : 02 26 49.70 Declination : +44 57 46.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2009-07-29 N/A SUBARUIRCS 20000 300 N/A N/A

H.Ito et al.,ApJ, 773, 33, 2013(ADS)

Chemical Analysis of the Ninth Magnitude Carbon-enhanced Metal-poor Star BD+44°493


Stellar Parameters

Teff : 5430+-150 log g : 3.4+-0.3 vturb : 1.3+-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
Li ISyn......1+-0.11-2.26+-0.111.57+-0.111+-0.11Li I
Be IISyn......<-1.8<-3.18<0.65<-1.8Be II
CHSyn-2.481.35+-0.215.95+-0.37-2.481.35+-0.215.95+-0.37CH
NHSyn-3.430.4+-0.314.4+-0.44-3.430.40+-0.314.4+-0.44NH
O I1<-1.49<+2.34<7.20<-1.49<2.34<7.20O I
OHSyn-2.191.64+-0.256.5+-0.42-2.191.64+-0.256.5+-0.42OH
Na I2-3.530.3+-0.12.71+-0.18-3.530.30+-0.12.71+-0.18Na I
Mg I8-3.370.46+-0.084.23+-0.21-3.370.46+-0.084.23+-0.21Mg I
Al I1-4.39-0.56+-0.142.06+-0.2-4.39-0.56+-0.142.06+-0.2Al I
Si I1-3.340.49+-0.144.17+-0.26-3.340.49+-0.144.17+-0.26Si I
S I1<-2.77<+1.06<4.35<-2.77<1.06<4.35S I
K I1<-3.08<+0.75<1.95<-3.08<0.75<1.95K I
Ca I12-3.520.31+-0.12.82+-0.11-3.520.31+-0.12.82+-0.11Ca I
Ca II3-2.920.91+-0.153.42+-0.18-2.920.91+-0.153.42+-0.18Ca II
Sc II12-3.540.29+-0.07-0.39+-0.18-3.540.29+-0.07-0.39+-0.18Sc II
Ti I7-3.470.36+-0.081.48+-0.17-3.470.36+-0.081.48+-0.17Ti I
Ti II55-3.470.36+-0.081.48+-0.17-3.470.36+-0.081.48+-0.17Ti II
V I1<-3.63<+0.20<0.30<-3.63<0.20<0.30V I
V II2-3.85-0.02+-0.10.08+-0.19-3.85-0.02+-0.10.08+-0.19V II
Cr I6-4.20-0.37+-0.071.44+-0.17-4.20-0.37+-0.071.44+-0.17Cr I
Cr II2-4.05-0.22+-0.11.59+-0.16-4.05-0.22+-0.11.59+-0.16Cr II
Mn I2-4.94-1.11+-0.110.49+-0.2-4.94-1.11+-0.110.49+-0.2Mn I
Mn II3-4.62-0.79+-0.080.81+-0.16-4.62-0.79+-0.080.81+-0.16Mn II
Fe I158-3.83...3.67+-0.19-3.83...3.67+-0.19Fe I
Fe II11-3.820.013.68+-0.15-3.820.013.68+-0.15Fe II
Co I20-3.290.54+-0.061.7+-0.2-3.290.54+-0.061.7+-0.2Co I
Ni I30-3.750.08+-0.062.47+-0.25-3.750.08+-0.062.47+-0.25Ni I
Cu I2-4.74-0.91+-0.11-0.55+-0.21-4.74-0.91+-0.11-0.55+-0.21Cu I
Zn I1<-3.66<+0.17<0.90<-3.66<0.17<0.90Zn I
Sr II2-4.06-0.23+-0.12-1.19+-0.2-4.06-0.23+-0.12-1.19+-0.2Sr II
Y II1-4.07-0.24+-0.15-1.86+-0.22-4.07-0.24+-0.15-1.86+-0.22Y II
Zr II2-3.790.04+-0.12-1.21+-0.2-3.790.04+-0.12-1.21+-0.2Zr II
Ba II2-4.43-0.60+-0.12-2.25+-0.2-4.43-0.60+-0.12-2.25+-0.2Ba II
Eu I1<-3.42<+0.41<-2.90<-3.42<0.41<-2.90Eu I
Pb I1<-1.85<+1.98<-0.10<-2.14<1.69<-0.10Pb I

Binary Parameters

Binarity Negative
Vrad -149.91+-0.5

Position

Right Ascension : 02 26 49.70 Declination : +44 57 46.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-08-22-15:19:00 2454701.14313 SUBARUHDS 60000 150-300 600 -150.38+-0.5
2008-10-04-09:00:00 2454743.88522 SUBARUHDS 90000 100-550 1200 -149.91+-0.5
2008-10-04-09:28:00 2454743.88522 SUBARUHDS 90000 100-550 1500 -149.91+-0.5
2008-10-05-10:06:00 24744.96846 SUBARUHDS 90000 100-550 7200 -150.41+-0.5
2008-11-16-05:37:00 2454786.74089 SUBARUHDS 60000 70-200 300 -149.94+-0.5

V.M.Placco et al.,ApJ, 790, 34, 2014(ADS)

Hubble Space Telescope Near-ultraviolet Spectroscopy of the Bright CEMP-no Star BD+44°493


Stellar Parameters

Teff : 5430 log g : 3.4 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
Be I1...<+0.20<-2.30<-3.68<0.20<-2.30Be I
B I2...<+0.48<-0.70<-3.49<0.39<-0.70B I
C I2...+1.23+-0.205.78+-0.20-2.65+-0.201.23+-0.205.78+-0.20C I
OH11...+1.54+-0.206.35+-0.20-2.34+-0.201.54+-0.206.35+-0.20OH
Sc II1...+0.29+-0.10-0.44+-0.10-3.59+-0.100.29+-0.10-0.44+-0.10Sc II
Ti II8...+0.36+-0.021.43+-0.02-3.52+-0.020.36+-0.021.43+-0.02Ti II
Cr II5...-0.09+-0.021.67+-0.02-3.97+-0.02-0.09+-0.021.67+-0.02Cr II
Mn II4...-0.58+-0.030.97+-0.03-4.46+-0.03-0.58+-0.030.97+-0.03Mn II
Fe I98-3.88+-0.01...3.62+-0.01-3.88+-0.01...3.62+-0.01Fe I
Fe II53-3.87+-0.01...3.63+-0.01-3.87+-0.01...3.63+-0.01Fe II
Ni I19...-0.02+-0.022.32+-0.02-3.90+-0.02-0.02+-0.022.32+-0.02Ni I
Ge I3...<-0.57<-0.80<-4.45<-0.57<-0.80Ge I
Zr II7...<+0.18<-1.11<-3.69<0.19<-1.11Zr II
Nb II2...<+1.65<-0.77<-2.23<1.65<-0.77Nb II
Mo II1...<+1.71<-0.29<-2.17<1.71<-0.29Mo II
Cd I1...<+0.38<-1.79<-3.50<0.38<-1.79Cd I
Te I1...<+1.65<-0.05<-2.23<1.65<-0.05Te I
Ce II1...<+1.79<-0.51<-2.09<1.79<-0.51Ce II
Nd II1...<+2.45<-0.01<-1.43<2.45<-0.01Nd II
Eu II1...<+1.90<-1.46<-1.98<1.90<-1.46Eu II
Gd II1...<+1.60<-1.21<-2.28<1.60<-1.21Gd II
Yb II1...<+1.29<-1.75<-2.67<1.21<-1.75Yb II
Lu II1...<+1.62<-2.16<-2.25<1.63<-2.16Lu II
Hf II3...<+1.72<-1.31<-2.02<1.86<-1.31Hf II
Os I1...<+2.18<-0.30<-1.70<2.18<-0.30Os I
Os II1...<+1.58<-0.90<-2.30<1.58<-0.90Os II
Pt I2...<+0.86<-1.40<-3.02<0.86<-1.40Pt I
Pb I1...<+1.90<-0.23<-2.27<1.61<-0.23Pb I

Position

Right Ascension : 02 26 49.70 Declination : +44 57 46.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2012-02-28 N/A HST 30000 50-100 20640 N/A

I.U.Roederer et al.,ApJ, 784, 158, 2014(ADS)

Neutron-capture Nucleosynthesis in the First Stars


Stellar Parameters

Teff : 5040+-36 log g : 2.10+-0.14 vturb : 1.35+-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......0.64+-0.18-2.62+-0.181.66+-0.180.64+-0.18Li I
CH1...1.18+-0.255.35+-0.25-3.08+-0.251.20+-0.255.35+-0.25CH
CN1...<2.18<5.75<-2.08<2.20<5.75CN
Mg I7...0.90+-0.164.21+-0.16-3.39+-0.160.89+-0.164.21+-0.16Mg I
Al I1...-0.44+-0.161.73+-0.16-4.72+-0.16-0.44+-0.161.73+-0.16Al I
Si I1...0.48+-0.283.71+-0.28-3.80+-0.280.48+-0.283.71+-0.28Si I
Ca I6...0.52+-0.202.57+-0.20-3.77+-0.200.51+-0.202.57+-0.20Ca I
Sc II1...0.05+-0.15-1.06+-0.15-4.21+-0.150.07+-0.15-1.06+-0.15Sc II
Ti I3...0.24+-0.230.90+-0.23-4.05+-0.230.23+-0.230.90+-0.23Ti I
Ti II9...-0.02+-0.160.68+-0.16-4.27+-0.160.01+-0.160.68+-0.16Ti II
V II2...<0.64<0.31<-3.62<0.66<0.31V II
Cr I2...-0.31+-0.171.04+-0.17-4.60+-0.17-0.32+-0.171.04+-0.17Cr I
Mn I2...-1.05+-0.200.10+-0.20-5.33+-0.20-1.05+-0.200.10+-0.20Mn I
Fe I61-4.28+-0.16...3.22+-0.16-4.28+-0.16...3.22+-0.16Fe I
Fe II2-4.26+-0.18...3.24+-0.18-4.26+-0.18...3.24+-0.18Fe II
Co I3...0.29+-0.201.00+-0.20-3.99+-0.200.29+-0.201.00+-0.20Co I
Ni I2...0.14+-0.192.08+-0.19-4.14+-0.190.14+-0.192.08+-0.19Ni I
Zn I2...<1.11<1.39<-3.17<1.11<1.39Zn I
Ga I1...<1.59<0.35<-2.73<1.55<0.35Ga I
Sr II2...-0.58+-0.15-1.96+-0.15-4.83+-0.15-0.55+-0.15-1.96+-0.15Sr II
Y II6...<-0.44<-2.49<-4.70<-0.42<-2.49Y II
Zr II3...<0.66<-1.02<-3.60<0.68<-1.02Zr II
Nb II1...<3.14<0.34<-1.12<3.16<0.34Nb II
Mo I1...<1.93<-0.47<-2.35<1.93<-0.47Mo I
Tc I1......<0.03<0.03<4.31<0.03Tc I
Ba II1...-0.90+-0.17-2.98+-0.17-5.16+-0.17-0.88+-0.17-2.98+-0.17Ba II
Ce II5...<1.02<-1.66<-3.24<1.04<-1.66Ce II
Pr II4...<1.54<-2.00<-2.72<1.56<-2.00Pr II
Nd II5...<1.02<-1.82<-3.24<1.04<-1.82Nd II
Sm II2...<1.70<-1.60<-2.56<1.72<-1.60Sm II
Eu II4...<0.91<-2.83<-3.35<0.93<-2.83Eu II
Gd II2...<1.88<-1.31<-2.38<1.90<-1.31Gd II
Tb II3...<2.14<-1.82<-2.14<2.14<-1.82Tb II
Dy II3...<1.15<-2.01<-3.11<1.17<-2.01Dy II
Ho II2...<1.57<-2.21<-2.68<1.60<-2.21Ho II
Er II3...<1.60<-1.74<-2.66<1.62<-1.74Er II
Tm II2...<2.00<-2.16<-2.28<2.00<-2.16Tm II
Yb II1...<0.94<-2.40<-3.32<0.96<-2.40Yb II
Hf II2...<2.33<-1.08<-1.79<2.49<-1.08Hf II
Pb I1...<2.62<0.38<-1.66<2.62<0.38Pb I
Th II2...<2.31<-1.89<-1.95<2.33<-1.89Th II

Isotopic Ratio

12C/13C >15

Binary Parameters

Vrad -150.0

Position

Right Ascension : 02 26 49.70 Declination : +44 57 46.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-11-04-9:01 2454774.881 MCDONALD 33000 85-285 3600 -150.0
2008-8-14-10:56 2454692.956 MCDONALD 33000 85-285 7200 -149.7

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 : 5040+-36 log g : 2.1+-0.14 vturb : 1.35+-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......0.64-2.621.660.64Li I
CH1...1.18+-0.255.35-3.081.20+-0.255.35CH
CN1...<2.18<5.75<-2.08<2.20<5.75CN
Mg I7...0.90+-0.164.21-3.390.89+-0.164.21Mg I
Al I1...-0.44+-0.161.73-4.72-0.44+-0.161.73Al I
Si I1...0.48+-0.283.71-3.800.48+-0.283.71Si I
Ca I6...0.52+-0.202.57-3.770.51+-0.202.57Ca I
Sc II1...0.05+-0.15-1.06-4.210.07+-0.15-1.06Sc II
Ti I3...0.24+-0.230.90-4.050.23+-0.230.90Ti I
Ti II9...-0.02+-0.160.68-4.270.01+-0.160.68Ti II
V II2...<0.64<0.31<-3.62<0.66<0.31V II
Cr I2...-0.31+-0.171.04-4.60-0.32+-0.171.04Cr I
Mn I2...-1.05+-0.200.10-5.33-1.05+-0.200.10Mn I
Fe I61-4.28+-0.16...3.22-4.28+-0.16...3.22Fe I
Fe II2-4.26+-0.18...3.24-4.26+-0.18...3.24Fe II
Co I3...0.29+-0.201.00-3.990.29+-0.201.00Co I
Ni I2...0.14+-0.192.08-4.140.14+-0.192.08Ni I
Zn I2...<1.11<1.39<-3.17<1.11<1.39Zn I
Ga I1...<1.59<0.35<-2.73<1.55<0.35Ga I
Sr II2...-0.58+-0.15-1.96-4.83-0.55+-0.15-1.96Sr II
Y II6...<-0.44<-2.49<-4.70<-0.42<-2.49Y II
Zr II3...<0.66<-1.02<-3.60<0.68<-1.02Zr II
Nb II1...<3.14<0.34<-1.12<3.16<0.34Nb II
Mo I1...<1.93<-0.47<-2.35<1.93<-0.47Mo I
Tc I1......<0.03<0.03<4.31<0.03Tc I
Ba II1...-0.90+-0.17-2.98-5.16-0.88+-0.17-2.98Ba II
Ce II5...<1.02<-1.66<-3.24<1.04<-1.66Ce II
Pr II4...<1.54<-2.00<-2.72<1.56<-2.00Pr II
Nd II5...<1.02<-1.82<-3.24<1.04<-1.82Nd II
Sm II2...<1.70<-1.60<-2.56<1.72<-1.60Sm II
Eu II4...<0.91<-2.83<-3.35<0.93<-2.83Eu II
Gd II2...<1.88<-1.31<-2.38<1.90<-1.31Gd II
Tb II3...<2.14<-1.82<-2.14<2.14<-1.82Tb II
Dy II3...<1.15<-2.01<-3.11<1.17<-2.01Dy II
Ho II2...<1.57<-2.21<-2.68<1.60<-2.21Ho II
Er II3...<1.60<-1.74<-2.66<1.62<-1.74Er II
Tm II2...<2.00<-2.16<-2.28<2.00<-2.16Tm II
Yb II1...<0.94<-2.40<-3.32<0.96<-2.40Yb II
Hf II2...<2.33<-1.08<-1.79<2.49<-1.08Hf II
Pb I1...<2.62<0.38<-1.66<2.62<0.38Pb I
Th II2...<2.31<-1.89<-1.95<2.33<-1.89Th II

Binary Parameters

Binarity Negative
Vrad -149.9

Position

Right Ascension : 02 26 49.70 Declination : +44 57 46.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-08-14-10:56 2454692.956 MCDONALD 33000 85-285 7200 -149.7
2008-11-04-09:01 2454774.881 MCDONALD 33000 85-285 3600 -150

I.U.Roederer et al.,ApJ, 824, L19, 2016(ADS)

Detection of Phosphorus, Sulphur, and Zinc in the Carbon-enhanced Metal-poor Star BD+44 493


Stellar Parameters

Teff : 5430+-150 log g : 3.4+-0.3 vturb : 1.3+-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
Mg I1...+0.51+-0.504.23+-0.50-3.37+-0.500.70+-0.504.23+-0.50Mg I
Si I10...+0.15+-0.243.78+-0.24-3.73+-0.240.34+-0.243.78+-0.24Si I
P I3...-0.34+-0.281.19+-0.28-4.24+-0.28-0.17+-0.281.19+-0.28P I
S I3...+0.07+-0.453.31+-0.45-3.81+-0.450.26+-0.453.31+-0.45S I
Ti II2...+0.30+-0.281.37+-0.28-3.58+-0.280.49+-0.281.37+-0.28Ti II
Cr II2...+0.23+-0.231.99+-0.23-3.65+-0.230.42+-0.231.99+-0.23Cr II
Fe I3-4.07+-0.28...3.43+-0.28-4.07+-0.28...3.43+-0.28Fe I
Fe II12-3.72+-0.24...3.78+-0.24-3.72+-0.24...3.78+-0.24Fe II
Co II4...+0.65+-0.291.76+-0.29-3.23+-0.290.84+-0.291.76+-0.29Co II
Ni I3...-0.08+-0.262.26+-0.26-3.96+-0.260.11+-0.262.26+-0.26Ni I
Ni II3...-0.07+-0.232.27+-0.23-3.95+-0.230.12+-0.232.27+-0.23Ni II
Zn II1...-0.10+-0.320.58+-0.32-3.98+-0.320.09+-0.320.58+-0.32Zn II
As I1...<+1.37<-0.21<-2.51<1.56<-0.21As I
Se I3...<+0.47<-0.07<-3.41<0.66<-0.07Se I

Binary Parameters

Binarity Negative

Position

Right Ascension : 02 26 49.70 Declination : +44 57 46.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2015-11-21 N/A COSHST 17000 20-55 8417 N/A
2015-11-22 N/A COSHST 17000 12-30 8301 N/A
2015-12-08 N/A COSHST 17000 10-55 31035 N/A

A.Arentsen et al.,AAP, 621, A108, 2019(ADS)

Binarity among CEMP-no stars: an indication of multiple formation pathways?


Stellar Parameters

Teff : 5430 log g : 3.4

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
CN/A...1.355.95-2.481.355.95C
FeN/A-3.83......-3.83...3.67Fe
BaN/A...-0.6...-4.43-0.60-2.25Ba

Binary Parameters

Binarity Negative
Vrad -150.09+-0.63

Position

Right Ascension : 02 26 49.7 Declination : +44 57 47 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2013-08-21-015512 2456525.58 GECKOCFHT 68000 N/A N/A -149.77+-0.55
2013-09-14-011159 2456549.55 GECKOCFHT 68000 N/A N/A -150.24+-0.51
2014-02-08-180000 2456697.25 GECKOCFHT 68000 N/A N/A -149.95+-0.35
2014-02-20-170223 2456709.21 GECKOCFHT 68000 N/A N/A -149.32+-1.32
2014-02-20-170223 2456709.21 GECKOCFHT 68000 N/A N/A -149.62+-1.13

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 : 5430 log g : 3.40 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
AlN/A...+0.33+-0.13...-3.53+-0.130.33+-0.132.92+-0.13Al
Al I3......2.09+-0.13-4.36+-0.13-0.50+-0.132.09+-0.13Al I
Al II1......2.92+-0.22-3.53+-0.220.33+-0.222.92+-0.22Al II
Fe IIN/A-3.86+-0.16......-3.86+-0.16...3.64+-0.16Fe 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 TULL 33000 N/A N/A N/A