CS22956-028

taken from 3 paper(s):

/C.Sneden et al.(2003)/ /G.W.Preston and C. Sneden(2000)/ /T.Masseron et al.(2010)/

C.Sneden et al.,ApJ, 592, 504, 2003(ADS)

Binary Blue Metal-poor Stars: Evidence for Asymptotic Giant Branch Mass Transfer


Stellar Parameters

Teff : 6900 log g : 3.9 vturb : 2.00

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
C I3...+1.34+-0.30...-0.75+-0.301.33+-0.307.68+-0.30C I
CHN/A...+1.74+-0.20...-0.35+-0.201.73+-0.208.08+-0.20CH
O I2...+0.5+-0.12...-1.40+-0.120.68+-0.127.29+-0.12O I
FeN/A-2.08......-2.08...5.42Fe
Sr II2...+1.38+-0.15...-0.60+-0.151.48+-0.152.27+-0.15Sr II
Ba II3...+0.37+-0.26...-1.76+-0.260.32+-0.260.42+-0.26Ba II

Binary Parameters

Binarity Positive
Vrad +26.5
Period 1290

Position

Right Ascension : 21 44 48.72 Declination : -63 22 09.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2452123.68 FRUTTI 30000 N/A N/A +33.6
2452124.76 FRUTTI 30000 N/A N/A +33.5
2452474.68 FRUTTI 30000 N/A N/A +26.5

G.W.Preston et al.,AJ, 120, 1014, 2000(ADS)

What Are These Blue Metal-Poor Stars?


Stellar Parameters

Teff : 6900 log g : 3.90 vturb : 2.00

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
Mg I3...0.31...-1.790.295.81Mg I
Ca I6...0.37...-1.690.394.65Ca I
Sc II3...0.16...-1.900.181.25Sc II
Ti II13...0.16...-1.850.233.10Ti II
Cr I2...-0.06...-2.11-0.033.53Cr I
Mn I2...-0.38...-2.50-0.422.93Mn I
Fe21-2.08......-2.08...5.42Fe
Sr II2...1.14...-0.841.242.03Sr II
Ba II1...0.42...-1.710.370.47Ba II

Binary Parameters

Binarity Positive
Vrad 34.0
Period 1290

Position

Right Ascension : 21 44 48.72 Declination : -63 22 09.8 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 2448838.631 FRUTTI 30000 10 N/A 33.1
N/A 2448839.627 FRUTTI 30000 10 N/A 34.1
N/A 2449196.725 FRUTTI 30000 10 N/A 41.7
N/A 2449576.672 FRUTTI 30000 10 N/A 32.6
N/A 2449578.634 FRUTTI 30000 10 N/A 31.2
N/A 2449584.653 FRUTTI 30000 10 N/A 30.8
N/A 2449935.667 FRUTTI 30000 10 N/A 25.1
N/A 2449937.661 FRUTTI 30000 10 N/A 26.5
N/A 2449945.619 FRUTTI 30000 10 N/A 26.7
N/A 2450289.672 FRUTTI 30000 10 N/A 41.9
N/A 2450293.66 FRUTTI 30000 10 N/A 41.8
N/A 2450614.772 FRUTTI 30000 10 N/A 41.2
N/A 2450646.667 FRUTTI 30000 10 N/A 36.9
N/A 2450649.62 FRUTTI 30000 10 N/A 38.0
N/A 2450650.629 FRUTTI 30000 10 N/A 39.0
N/A 2450704.587 FRUTTI 30000 10 N/A 35.3
N/A 2450705.567 FRUTTI 30000 10 N/A 36.4
N/A 2450996.748 FRUTTI 30000 10 N/A 27.0
N/A 2450999.8 FRUTTI 30000 10 N/A 29.0
N/A 2451033.663 FRUTTI 30000 10 N/A 29.6
N/A 2451036.639 FRUTTI 30000 10 N/A 27.6

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

A holistic approach to carbon-enhanced metal-poor stars


Stellar Parameters

Teff : 6700 log g : 3.5

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
CN/A...1.84+-0.1...-0.53+-0.11.85+-0.17.90+-0.1C
NN/A...1.85+-0.1...-0.53+-0.11.85+-0.17.30+-0.1N
ON/A...<2.47...<0.11<2.49<8.80O
MgN/A...0.58+-0.09...-1.82+-0.090.56+-0.095.78+-0.09Mg
FeN/A-2.33+-0.09......-2.38+-0.09...5.12+-0.09Fe
BaN/A...0.16+-0.2...-2.18+-0.20.20+-0.20.00+-0.2Ba
LaN/A...<0.50...<-1.80<0.58<-0.70La
CeN/A...<1.24...<-1.09<1.29<0.49Ce
EuN/A...<1.20...<-1.13<1.25<-0.61Eu
PbN/A...<2.22...<-0.13<2.25<1.91Pb

Isotopic Ratio

12C/13C 5+-2

Position

Right Ascension : 21 44 48.72 Declination : -63 22 09.8 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 N/A R=40000 N/A N/A N/A