BPS CS22948-027: found in 5 paper(s).

Labels:

/W.Aoki et al.(2002)/ /V.Hill et al.(2000)/ /B.Barbuy et al.(2005)/ /G.W.Preston and C. Sneden(2001)/ /W.Aoki et al.(2007)/

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A0007

Title The Chemical Composition of Carbon-rich, Very Metal Poor Stars: A New Class of Mildly Carbon Rich Objects without Excess of Neutron-Capture Elements
ADS W.Aoki et al.,ApJ, 567, 1166, 2002
Authors W. Aoki, J. E. Norris, S. G. Ryan, T. C. Beers, H. Ando

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
1994-06 2449520 ANGLO 40000 51 75*3 -63.33+-0.56
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Photometric data

V 12.66
B-V 1.13

Atmospheric data

Teff 4600
log g 1.0
vturb 2.2

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Li I...<-1.57<+1.0<-0.41
C...-0.57+-0.18+2.0+-0.187.98+-0.18
N...-0.77+-0.24+1.8+-0.247.20+-0.24
Na I...-1.89+-0.20+0.68+-0.204.44+-0.20
Mg I...-1.98+-0.11+0.59+-0.115.60+-0.11
Ca I...-2.04+-0.16+0.53+-0.164.32+-0.16
Ti II...-1.95+-0.18+0.62+-0.183.07+-0.18
Cr I...-2.35+-0.14+0.22+-0.143.32+-0.14
Fe I...-2.57+-0.23...4.93+-0.23
Fe II...-2.56+-0.28...4.94+-0.28
Y II...-1.77+-0.20+0.80+-0.200.47+-0.20
Ba II...-0.72+-0.14+1.85+-0.141.41+-0.14
La II...-0.66+-0.15+1.91+-0.150.51+-0.15
Ce II...-0.58+-0.14+1.99+-0.141.00+-0.14
Pr II...-0.72+-0.14+1.85+-0.14-0.01+-0.14
Nd II...-0.88+-0.12+1.69+-0.120.62+-0.12
Eu II...-1.00+1.57-0.49
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C 10

A0032

Title Heavy-element abundances in the CH/CN-strong very metal-poor stars CS 22948-27 and CS 29497-34
ADS V.Hill et al.,AAP, 353, 557, 2000
Authors V. Hill, B. Barbuy, M. Spite, F. Spite, R. Cayrel, B. Plez, T. C. Department of Physics andtronomy, MSU. Beers, B. Nordstrom, P. E. Institute of Physics and Astronomy, AarhusU. Nissen

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
1995-09-15 N/A EMMIESO 30000 170 120min -63.9
1995-09-17 N/A EMMIESO 30000 180 105min -64.7
1995-11-03 N/A EMMIESO 30000 58 60min -62.3
1995-11-04 N/A EMMIESO 30000 56 60min -62.7
1995-11-05 N/A EMMIESO 30000 53 55min -62.8
1996-10-01 N/A CASPECESO 21000 110 90min -60.6
1996-10-02 N/A CASPECESO 21000 150 120min -67.3
1999-07-03 N/A FEROSESO 48000 30 30min -68.1
Galactic Longitude (l) 3.05
Galactic Latitude (b) -48.23
Declination -39 27 19
Right Ascension 21h37m45.5s

Binarity

Vrad -67.4

Photometric data

V 12.65
B-V 1.12+-0.016
V-R 0.50+-0.015
R-I 0.40+-0.005
EB-V 0.00

Atmospheric data

Teff 4800
log g 1.80
vturb 1.50

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-0.57+1.97.98
C2...-0.42+2.058.13
CN...-0.67+1.87.30
Na...>-1.91>0.56>4.42
Mg...-2.08+0.395.50
Fe I...-2.47...5.03
Fe II...-2.46...5.04
Sr...-1.570.901.40
Y...-1.47+-0.281.00+-0.280.77+-0.28
Ba...-0.21+-0.092.26+-0.091.92+-0.09
La...-0.15+-0.532.32+-0.531.02+-0.53
Ce...-0.272.201.31
Pr...-0.821.65-0.11
Nd...-0.25+-0.352.22+-0.351.25+-0.35
Eu...-0.372.100.14
Dy...-0.871.600.27
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0034

Title New analysis of the two carbon-rich stars CS 22948-27 and CS 29497-34: Binarity and neutron capture elements
ADS B.Barbuy et al.,AAP, 429, 1031, 2005
Authors B. Barbuy, M. Spite, F. Spite, V. Hill, R. Cayrel, B. Plez, P. Petitjean

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2453142 HARPSESO 100000 50,100 80min -69.0+-0.3
2449976 EMMIESO 30000 N/A 120min -63.9+-1.5
2449978 EMMIESO 30000 N/A 105min -64.7+-1.5
2450025 EMMIESO 30000 N/A 60min -62.3+-1.5
2450026 EMMIESO 30000 N/A 60min -62.7+-1.5
2450027 EMMIESO 30000 N/A 55min -62.8+-1.5
2450358 CASPECESO 21000 N/A 90min -60.6+-3.0
2450359 CASPECESO 21000 N/A 120min -67.3+-3.0
2451575 FEROSESO 48000 N/A 30min -67.1+-1.0
2451384 FEROSESO 48000 N/A 30min -67.4+-1.0
2451394 FEROSESO 48000 N/A 30min -68.1+-1.0
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Binarity

Binarity Positive
Vrad -69.9+-0.3
Period 426.5

Photometric data

V 12.66
B-V 1.13

Atmospheric data

Teff 4800
log g 1.8
vturb 1.5

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-0.03+2.438.49
CN...-0.71+1.757.21
Na I...-1.90+-0.17+0.57+-0.174.43+-0.17
Mg I...-2.16+-0.28+0.31+-0.285.42+-0.28
Al I...-2.62-0.153.85
Ca I...-1.93+-0.15+0.54+-0.154.43+-0.15
Ti I...-2.13+-0.28+0.34+-0.282.89+-0.28
Ti II...-1.97+-0.20+0.50+-0.203.05+-0.20
Cr I...-2.62+-0.10-0.15+-0.103.05+-0.10
Fe I...-2.47...5.03
Fe II...-2.46...5.04
Ni I...-2.48-0.013.77
Zn I...-2.11+0.362.49
Sr II...-1.57+0.901.35
Y II...-1.47+1.000.87
Ba II...-0.21+2.261.92
La II...-0.15+2.321.02
Ce II...-0.27+2.201.31
Pr II...-0.63+1.870.08
Nd II...-0.25+2.221.25
Eu II...-0.59+1.88-0.08
Dy II...-0.87+1.600.27
Pb I...+0.25+2.722.20
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

A0044

Title The Incidence of Binaries among Very Metal-poor Carbon Stars
ADS G.W.Preston et al.,AJ, 122, 1545, 2001
Authors G. W. Preston, C. Sneden

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A 2448826.69 FRUTTI N/A N/A N/A -67.7
N/A 2448827.80 FRUTTI N/A N/A N/A -67.7
N/A 2448829.80 FRUTTI N/A N/A N/A -67.5
N/A 2448831.79 FRUTTI N/A N/A N/A -67.7
N/A 2449942.73 FRUTTI N/A N/A N/A -64.4
N/A 2450292.65 FRUTTI N/A N/A N/A -69.2
N/A 2450705.52 FRUTTI N/A N/A N/A -69.8
N/A 2450996.82 FRUTTI N/A N/A N/A -69.8
N/A 2451033.62 FRUTTI N/A N/A N/A -72.1
N/A 2451358.82 FRUTTI N/A N/A N/A -66.2
N/A 2451384.68 FRUTTI N/A N/A N/A -67.6
N/A 2451385.71 FRUTTI N/A N/A N/A -67.5
N/A 2451386.69 FRUTTI N/A N/A N/A -67.9
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Binarity

Binarity Positive
Vrad -66.2
Period 505

Photometric data

V 12.660
B-V 0.93

Atmospheric data

Teff 4600
log g 0.8
vturb 2.3

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-0.692.17.86
CN...-1.691.16.28
Na I...-2.050.744.28
Mg I...-2.440.355.14
Ti II...-2.640.152.38
Fe I...-2.79-0.224.71
Fe II...-2.350.225.15
Ba II...-1.121.671.01
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C 20

A0122

Title Carbon-enhanced Metal-poor Stars. I. Chemical Compositions of 26 Stars
ADS W.Aoki et al.,ApJ, 655, 492, 2007
Authors W. Aoki, T. Beers, N. Christlieb, J. E. Norris, S. G. Ryan, S. Tsangarides

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Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2002-10-26 N/A SUBARUHDS 50000 N/A 600 -62.49+-0.09
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination -392720
Right Ascension 213745.4

Binarity

Vrad -62.49

Photometric data

V 12.660
B 13.790
H 10.534
J 10.979
K 10.427
EB-V 0.08

Atmospheric data

Teff 5000
log g 1.9
vturb 2.0

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
C...-0.09+-0.202.12+-0.208.3+-0.20
CN...0.22+-0.352.43+-0.358.0+-0.35
Na I...-1.29+-0.130.92+-0.134.88+-0.13
Mg I...-1.66+-0.140.55+-0.145.87+-0.14
Ca I...-1.64+-0.190.57+-0.194.67+-0.19
Ti I...-1.61+-0.130.60+-0.133.28+-0.13
Ti II...-1.53+-0.260.68+-0.263.37+-0.26
Cr I...-2.33+-0.12-0.12+-0.123.31+-0.12
Fe I...-2.21+-0.28...5.24+-0.28
Fe II...-2.23+-0.16...5.22+-0.16
Zn I...-1.90+-0.210.31+-0.212.69+-0.21
Ba II...0.10+-0.152.31+-0.152.27+-0.15
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C 10+-3