G16-25

taken from 4 paper(s):

/A.M.Boesgaard et al.(2005)/ /A.Stephens and A. M. Boesgaard(2002)/ /I.U.Roederer et al.(2014)/ /K.A.Venn et al.(2004)/


A.M.Boesgaard et al.,ApJ, 633, 398, 2005(ADS)

Lithium and Lithium Depletion in Halo Stars on Extreme Orbits


Stellar Parameters

Teff : 5431+-59 log g : 4.28+-0.32 vturb : 1.18+-0.09

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......<0.94<-2.32<-0.54<0.94Li I
FeN/A-1.80+-0.06......-1.78+-0.06...5.72+-0.06Fe

Position

Right Ascension : 16 01 21.72 Declination : +05 23 42.8 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 48000 120 N/A N/A

A.Stephens et al.,AJ, 123, 1647, 2002(ADS)

ABUNDANCES FROM HIGH-RESOLUTION SPECTRA OF KINEMATICALLY INTERESTING HALO STARS


Stellar Parameters

Teff : 5431+-59 log g : 4.28+-0.32 vturb : 1.18+-0.09

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-2.35+-0.15-0.50+-0.16...-2.26+-0.15-0.42+-0.163.98+-0.15Na I
Mg IN/A-1.66+-0.16+0.19+-0.17...-1.68+-0.160.16+-0.175.92+-0.16Mg I
SiN/A...+0.40+-0.12...-1.41+-0.120.43+-0.126.10+-0.12Si
Si I2-1.54+-0.15......-1.50+-0.150.34+-0.156.01+-0.15Si I
Si II1-1.35+-0.16......-1.31+-0.160.53+-0.166.20+-0.16Si II
Ca IN/A-1.69+-0.10+0.16+-0.12...-1.67+-0.100.17+-0.124.67+-0.10Ca I
TiN/A...+0.15+-0.07...-1.66+-0.070.18+-0.073.29+-0.07Ti
Ti I24-1.80+-0.09......-1.76+-0.090.08+-0.093.19+-0.09Ti I
Ti II11-1.67+-0.05......-1.63+-0.050.21+-0.053.32+-0.05Ti II
CrN/A...-0.01+-0.08...-1.83+-0.080.01+-0.083.81+-0.08Cr
Cr I14-1.89+-0.06......-1.86+-0.06-0.02+-0.063.78+-0.06Cr I
Cr II3-1.71+-0.14......-1.68+-0.140.16+-0.143.96+-0.14Cr II
FeN/A-1.85+-0.06......-1.84+-0.06...5.66+-0.06Fe
Fe I81-1.79+-0.07......-1.78+-0.07...5.72+-0.07Fe I
Fe II10-1.95+-0.09......-1.94+-0.09...5.56+-0.09Fe II
Ni IN/A-2.01+-0.08-0.17+-0.10...-1.98+-0.08-0.14+-0.104.24+-0.08Ni I
Y IIN/A-1.86+-0.09-0.01+-0.11...-1.83+-0.090.01+-0.110.38+-0.09Y II
Ba IIN/A-1.90+-0.09-0.05+-0.11...-1.95+-0.09-0.11+-0.110.23+-0.09Ba II

Binary Parameters

Vrad 23.8+-0.6

Position

Right Ascension : 16 01 21.72 Declination : +05 23 42.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2450691.24 KECKHIRES 48000 120 1800 23.8+-0.6

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 : 5250+-53 log g : 4.1+-0.31 vturb : 1.1+-0.17

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......<0.76<-2.50<-0.42<0.76Li I
CH1...-0.37+-0.255.99-2.44-0.36+-0.255.99CH
Mg I4...0.13+-0.135.65-1.950.13+-0.135.65Mg I
Al I1...-1.04+-0.233.33-3.12-1.04+-0.233.33Al I
Ca I9...0.20+-0.164.47-1.870.21+-0.164.47Ca I
Sc II3...-0.20+-0.140.88-2.27-0.19+-0.140.88Sc II
Ti I9...0.02+-0.102.90-2.050.03+-0.102.90Ti I
Ti II10...0.13+-0.143.01-1.940.14+-0.143.01Ti II
V I1...-0.26+-0.161.59-2.34-0.26+-0.161.59V I
Cr I9...-0.12+-0.103.44-2.20-0.12+-0.103.44Cr I
Cr II1...0.42+-0.153.99-1.650.43+-0.153.99Cr II
Mn I5...-0.40+-0.112.96-2.47-0.39+-0.112.96Mn I
Fe I87-2.08+-0.11...5.42-2.08+-0.11...5.42Fe I
Fe II7-2.07+-0.16...5.43-2.07+-0.16...5.43Fe II
Ni I5...0.04+-0.144.19-2.030.05+-0.144.19Ni I
Zn I2...0.18+-0.112.66-1.900.18+-0.112.66Zn I
Sr II2...-0.23+-0.140.57-2.30-0.22+-0.140.57Sr II
Y II2...<-0.27<-0.13<-2.34<-0.26<-0.13Y II
Zr II1...<1.10<1.61<-0.97<1.11<1.61Zr II
Ba II1...0.03+-0.130.14-2.040.04+-0.130.14Ba II
Ce II3...<1.00<0.51<-1.07<1.01<0.51Ce II
Pr II1...<1.54<0.19<-0.53<1.55<0.19Pr II
Nd II4...<0.93<0.28<-1.14<0.94<0.28Nd II
Sm II2...<1.19<0.08<-0.88<1.20<0.08Sm II
Eu II1...<0.40<-1.15<-1.67<0.41<-1.15Eu II
Gd II2...<1.30<0.30<-0.77<1.31<0.30Gd II
Tb II2...<2.11<0.34<0.02<2.10<0.34Tb II
Dy II1...<2.13<1.16<0.06<2.14<1.16Dy II
Tm II1...<2.60<0.63<0.51<2.59<0.63Tm II
Hf II1...<2.18<0.96<0.25<2.33<0.96Hf II
Pb I1...<2.22<2.18<0.14<2.22<2.18Pb I
Th II1...<2.58<0.57<0.51<2.59<0.57Th II

Binary Parameters

Binarity Negative
Vrad 23.7

Position

Right Ascension : 16 01 21.72 Declination : +05 23 42.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2008-05-27-08:39 2454613.866 HRSHET 30000 20-90 3000 24
2008-06-04-07:59 2454621.838 HRSHET 30000 20-90 3000 23.4

K.A.Venn et al.,AJ, 128, 1177, 2004(ADS)

Stellar Chemical Signatures and Hierarchical Galaxy Formation


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...-0.54...-2.27-0.453.97Na
MgN/A...0.11...-1.730.095.87Mg
CaN/A...0.17...-1.630.194.71Ca
TiN/A...0.2...-1.550.273.40Ti
FeN/A-1.82......-1.82...5.68Fe
NiN/A...-0.15...-1.94-0.124.28Ni
YN/A...-0.04...-1.83-0.010.38Y
BaN/A...-0.06...-1.93-0.110.25Ba

Position

Right Ascension : 16 01 21.72 Declination : +05 23 42.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log