CS22878-027

taken from 3 paper(s):

/D.K.Lai et al.(2008)/ /I.U.Roederer et al.(2014)/ /A.Arentsen et al.(2019)/

D.K.Lai et al.,ApJ, 681, 1524, 2008(ADS)

Detailed Abundances for 28 Metal-poor Stars: Stellar Relics in the Milky Way


Stellar Parameters

Teff : 6348+-100 log g : 4.39+-0.2 vturb : 1.4+-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
Li IN/A......2.39+-0.17-0.87+-0.171.61+-0.172.39+-0.17Li I
C1...0.86+-0.12...-1.53+-0.120.95+-0.126.90+-0.12C
N1...<1.06...<-1.33<1.15<6.50N
Na2...-0.28+-0.15...-2.67+-0.15-0.19+-0.153.57+-0.15Na
Mg2...0.02+-0.11...-2.48+-0.110.00+-0.115.12+-0.11Mg
Al1...-0.84+-0.15...-3.30+-0.15-0.82+-0.153.15+-0.15Al
Si1...0.07+-0.15...-2.37+-0.150.11+-0.155.14+-0.15Si
Ca7...0.18+-0.07...-2.28+-0.070.20+-0.074.06+-0.07Ca
Sc II1...0.16+-0.16...-2.30+-0.160.18+-0.160.85+-0.16Sc II
Ti I2...0.46+-0.12...-1.95+-0.120.53+-0.123.00+-0.12Ti I
Ti II12...0.53+-0.10...-1.88+-0.100.60+-0.103.07+-0.10Ti II
Cr I5...-0.12+-0.04...-2.57+-0.04-0.09+-0.043.07+-0.04Cr I
Mn I3...-0.34+-0.09...-2.86+-0.09-0.38+-0.092.57+-0.09Mn I
Mn II1...-0.04+-0.17...-2.56+-0.17-0.08+-0.172.87+-0.17Mn II
Fe I61-2.48+-0.08......-2.48+-0.08...5.02+-0.08Fe I
Fe II2-2.68+-0.08......-2.68+-0.08...4.82+-0.08Fe II
Ni3...0.06+-0.05...-2.39+-0.050.09+-0.053.83+-0.05Ni
Sr II2...-0.18+-0.10...-2.56+-0.10-0.08+-0.100.31+-0.10Sr II
Ba II1...<-0.75...<-3.28<-0.80<-1.10Ba II
Eu II1...<1.17...<-1.32<1.16<-0.80Eu II

Position

Right Ascension : 16 37 35.84 Declination : +10 22 07.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004-04-08 N/A KECKHIRES 46000 60 3600 -91.5+-0.2
2004-04-09 N/A KECKHIRES 46000 87 2700 -90.1+-0.4

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 : 5820+-51 log g : 3.55+-0.15 vturb : 1.2+-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......2.01-1.251.672.01Li I
CH1...0.66+-0.256.12-2.310.61+-0.256.12CH
CN1...<2.44<7.30<-0.53<2.39<7.30CN
Na I1...-0.28+-0.253.04-3.20-0.28+-0.253.04Na I
Mg I8...0.26+-0.224.95-2.650.27+-0.224.95Mg I
Al I2...-0.82+-0.242.71-3.74-0.82+-0.242.71Al I
Si I1...0.38+-0.364.97-2.540.38+-0.364.97Si I
Ca I12...0.26+-0.223.68-2.660.26+-0.223.68Ca I
Sc II1...-0.17+-0.130.01-3.14-0.22+-0.130.01Sc II
Ti I6...0.33+-0.212.36-2.590.33+-0.212.36Ti I
Ti II11...0.20+-0.142.18-2.770.15+-0.142.18Ti II
V II2...<0.74<1.70<-2.23<0.69<1.70V II
Cr I4...-0.13+-0.202.59-3.05-0.13+-0.202.59Cr I
Mn I3...-0.26+-0.202.25-3.18-0.26+-0.202.25Mn I
Fe I83-2.92+-0.21...4.58-2.92+-0.21...4.58Fe I
Fe II5-2.97+-0.15...4.53-2.97+-0.15...4.53Fe II
Co I2...0.08+-0.232.15-2.840.08+-0.232.15Co I
Ni I2...-0.04+-0.233.26-2.96-0.04+-0.233.26Ni I
Sr II2...-0.38+-0.15-0.49-3.36-0.44+-0.15-0.49Sr II
Y II4...<0.01<-0.75<-2.96<-0.04<-0.75Y II
Zr II2...<0.98<0.59<-1.99<0.93<0.59Zr II
Nb II1...<2.90<1.39<-0.07<2.85<1.39Nb II
Mo I1...<2.14<1.10<-0.78<2.14<1.10Mo I
Tc I1......<1.31<1.31<4.23<1.31Tc I
Ba II1...-0.93+-0.15-1.72-3.90-0.98+-0.15-1.72Ba II
Ce II5...<1.34<-0.05<-1.63<1.29<-0.05Ce II
Pr II5...<1.67<-0.58<-1.30<1.62<-0.58Pr II
Nd II3...<1.35<-0.20<-1.62<1.30<-0.20Nd II
Sm II2...<1.88<-0.13<-1.09<1.83<-0.13Sm II
Eu II3...<1.12<-1.33<-1.85<1.07<-1.33Eu II
Gd II3...<1.97<0.07<-1.00<1.92<0.07Gd II
Tb II3...<2.42<-0.25<-0.57<2.35<-0.25Tb II
Dy II3...<1.24<-0.63<-1.73<1.19<-0.63Dy II
Ho II2...<1.92<-0.57<-1.04<1.88<-0.57Ho II
Er II3...<1.95<-0.10<-1.02<1.90<-0.10Er II
Tm II2...<2.32<-0.55<-0.67<2.25<-0.55Tm II
Yb II1...<1.53<-0.52<-1.44<1.48<-0.52Yb II
Hf II2...<2.53<0.41<-0.30<2.62<0.41Hf II
Pb I1...<2.40<1.52<-0.52<2.40<1.52Pb I
Th II3...<2.49<-0.42<-0.48<2.44<-0.42Th II

Binary Parameters

Binarity Negative
Vrad -91.1

Position

Right Ascension : 16 37 35.84 Declination : +10 22 07.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2003-06-22-04:07 2452812.676 MIKEBAADE 41000 60-160 3600 -91.1
2003-06-23-03:15 2452813.64 MIKEBAADE 41000 60-160 3600 -91.2

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

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


Stellar Parameters

Teff : 6319 log g : 4.4

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...0.866.78-1.650.866.78C
FeN/A-2.51......-2.51...4.99Fe
BaN/A...<-0.75...<-3.26<-0.75<-1.08Ba

Binary Parameters

Binarity Negative
Vrad -91.28+-0.61

Position

Right Ascension : 16 37 35.9 Declination : +10 22 08 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2013-08-15-194047 2456520.32 GECKOCFHT 68000 N/A N/A -91.77+-0.35
2013-08-25-173111 2456530.23 GECKOCFHT 68000 N/A N/A -91.45+-0.34
2014-02-12-032136 2456700.64 GECKOCFHT 68000 N/A N/A -91.56+-0.51
2014-06-03-194047 2456812.32 GECKOCFHT 68000 N/A N/A -91.62+-0.34