A0044

Bibliography Data

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

List of objects

Object Comment S O
BPS CS22880-074 N/A S O
BPS CS22881-036 N/A S O
BPS CS22892-052 N/A S O
BPS CS22898-027 N/A S O
BPS CS22942-019 N/A S O
BPS CS22948-027 N/A S O
BPS CS22957-027 N/A S O

S: Find this object in SIMBAD
O: Find this object in Other papers

BPS CS22880-074

Atmospheric data

Teff : 6050 log g : 4.0 vturb : 1.9

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-0.271.518.28
CN...-1.580.26.39
Na I...-1.95-0.174.38
Mg I...-1.720.065.86
Ca I...-1.580.24.78
Ti II...-1.680.103.34
Fe I...-1.78...5.72
Fe II...-1.75...5.75
Sr II...-1.640.141.33
Y II...-1.180.61.06
Zr II...-1.050.731.55
Ba II...-0.441.341.69
La II...-0.541.240.63
Eu II...-1.230.55-0.72
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C >40

Binarity

Vrad 58.7

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A 2448825.81 FRUTTI 30000 N/A N/A 58.3
N/A 2448827.64 FRUTTI 30000 N/A N/A 58.8
N/A 2448829.59 FRUTTI 30000 N/A N/A 58.8
N/A 2448830.67 FRUTTI 30000 N/A N/A 58.4
N/A 2449576.71 FRUTTI 30000 N/A N/A 59.0
N/A 2449937.71 FRUTTI 30000 N/A N/A 58.7
N/A 2450292.63 FRUTTI 30000 N/A N/A 59.0
N/A 2450707.72 FRUTTI 30000 N/A N/A 58.4
N/A 2450996.78 FRUTTI 30000 N/A N/A 58.6
N/A 2451033.58 FRUTTI 30000 N/A N/A 59.5
N/A 2451358.79 FRUTTI 30000 N/A N/A 58.7
N/A 2451384.66 FRUTTI 30000 N/A N/A 58.9
N/A 2451385.65 FRUTTI 30000 N/A N/A 59.0
N/A 2451386.67 FRUTTI 30000 N/A N/A 58.7
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

Photometric data

V : 13.27 B-V : 0.57 U-B : -0.15 EB-V : 0.09

BPS CS22881-036

Atmospheric data

Teff : 6200 log g : 4.0 vturb : 2.2

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-0.091.968.46
CN...-1.051.06.92
Na I...-1.890.164.44
Mg I...-1.650.405.93
Ca I...-1.430.624.93
Ti II...-1.720.333.30
Fe I...-2.05...5.45
Fe II...-2.06...5.44
Sr II...-1.460.591.51
Y II...-1.041.011.20
Zr II...-1.100.951.50
Ba II...-0.121.932.01
La II...-0.461.590.71
Nd II...-0.012.041.49
Eu II...-1.051.00-0.54
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C 40

Binarity

Vrad 44.7

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A 2448825.85 FRUTTI 30000 N/A N/A 45.3
N/A 2448827.74 FRUTTI 30000 N/A N/A 45.4
N/A 2448829.83 FRUTTI 30000 N/A N/A 45.6
N/A 2448830.73 FRUTTI 30000 N/A N/A 45.4
N/A 2449576.74 FRUTTI 30000 N/A N/A 45.9
N/A 2449939.74 FRUTTI 30000 N/A N/A 45.4
N/A 2450292.68 FRUTTI 30000 N/A N/A 45.7
N/A 2450706.75 FRUTTI 30000 N/A N/A 45.0
N/A 2450996.80 FRUTTI 30000 N/A N/A 45.0
N/A 2451035.74 FRUTTI 30000 N/A N/A 45.6
N/A 2451358.83 FRUTTI 30000 N/A N/A 45.9
N/A 2451384.71 FRUTTI 30000 N/A N/A 44.8
N/A 2451385.69 FRUTTI 30000 N/A N/A 44.6
N/A 2451386.70 FRUTTI 30000 N/A N/A 44.7
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

Photometric data

V : 13.96 B-V : 0.48 U-B : -0.24 EB-V : 0.00

BPS CS22892-052

Binarity

Vrad 11.7

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A 2447397.80 FRUTTI 30000 N/A N/A 12.6
N/A 2447748.75 FRUTTI 30000 N/A N/A 13.6
N/A 2447749.79 FRUTTI 30000 N/A N/A 13.7
N/A 2448103.78 FRUTTI 30000 N/A N/A 12.7
N/A 2448113.75 FRUTTI 30000 N/A N/A 13.1
N/A 2449578.69 FRUTTI 30000 N/A N/A 12.3
N/A 2449579.68 FRUTTI 30000 N/A N/A 12.3
N/A 2449580.65 FRUTTI 30000 N/A N/A 12.2
N/A 2449581.67 FRUTTI 30000 N/A N/A 12.0
N/A 2449591.71 FRUTTI 30000 N/A N/A 11.8
N/A 2451358.84 FRUTTI 30000 N/A N/A 12.4
N/A 2451360.76 FRUTTI 30000 N/A N/A 12.5
N/A 2451384.72 FRUTTI 30000 N/A N/A 12.6
N/A 2451385.68 FRUTTI 30000 N/A N/A 11.7
N/A 2451386.72 FRUTTI 30000 N/A N/A 11.7
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

BPS CS22898-027

Atmospheric data

Teff : 6300 log g : 4.0 vturb : 2.0

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-0.221.958.33
CN...-0.971.207.00
Na I...-2.000.174.33
Mg I...-2.040.135.54
Ti II...-1.940.233.08
Fe I...-2.17...5.33
Fe II...-2.13...5.37
Sr II...-1.570.61.40
Y II...-1.220.951.02
Zr II...-0.781.391.82
Ba II...0.102.272.23
La II...0.112.281.28
Nd II...-0.172.001.33
Eu II...-0.231.940.28
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C >20

Binarity

Vrad -48.5

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A 2447750.70 FRUTTI 30000 N/A N/A -47.8
N/A 2447752.60 FRUTTI 30000 N/A N/A -48.7
N/A 2449576.72 FRUTTI 30000 N/A N/A -49.5
N/A 2449937.72 FRUTTI 30000 N/A N/A -49.0
N/A 2450292.64 FRUTTI 30000 N/A N/A -49.1
N/A 2450706.73 FRUTTI 30000 N/A N/A -47.7
N/A 2450996.79 FRUTTI 30000 N/A N/A -48.9
N/A 2451035.73 FRUTTI 30000 N/A N/A -49.3
N/A 2451358.81 FRUTTI 30000 N/A N/A -48.5
N/A 2451384.67 FRUTTI 30000 N/A N/A -48.6
N/A 2451385.67 FRUTTI 30000 N/A N/A -49.0
N/A 2451386.68 FRUTTI 30000 N/A N/A -48.5
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

Photometric data

V : 12.76 B-V : 0.50 U-B : -0.16 EB-V : 0.03

BPS CS22942-019

Atmospheric data

Teff : 4900 log g : 1.8 vturb : 2.0

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-0.472.28.08
CN...-1.970.76.00
Na I...-1.231.445.10
Mg I...-1.900.775.68
Ca I...-2.370.33.99
Ti II...-2.520.152.50
Fe I...-2.67...4.83
Fe II...-2.67...4.83
Sr II...-1.271.41.70
Ba II...-1.171.500.96
La II...-0.821.850.35
Eu II...-1.870.8-1.36
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C 30

Binarity

Binarity Positive
Vrad -237.7
Period 2800

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A 2448112.84 FRUTTI 30000 N/A N/A -233.1
N/A 2448113.83 FRUTTI 30000 N/A N/A -233.7
N/A 2448115.88 FRUTTI 30000 N/A N/A -232.8
N/A 2448116.85 FRUTTI 30000 N/A N/A -233.3
N/A 2448825.91 FRUTTI 30000 N/A N/A -235.8
N/A 2449206.92 FRUTTI 30000 N/A N/A -238.7
N/A 2449581.83 FRUTTI 30000 N/A N/A -241.0
N/A 2449942.77 FRUTTI 30000 N/A N/A -242.7
N/A 250293.89 FRUTTI 30000 N/A N/A -240.3
N/A 2450705.76 FRUTTI 30000 N/A N/A -235.6
N/A 2451002.90 FRUTTI 30000 N/A N/A -233.1
N/A 2451036.87 FRUTTI 30000 N/A N/A -233.0
N/A 2451358.95 FRUTTI 30000 N/A N/A -233.0
N/A 2451384.84 FRUTTI 30000 N/A N/A -233.5
N/A 2451386.87 FRUTTI 30000 N/A N/A -233.3
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

Photometric data

V : 12.69 B-V : 0.74

BPS CS22948-027

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

Binarity

Binarity Positive
Vrad -66.2
Period 505

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A 2448826.69 FRUTTI 30000 N/A N/A -67.7
N/A 2448827.80 FRUTTI 30000 N/A N/A -67.7
N/A 2448829.80 FRUTTI 30000 N/A N/A -67.5
N/A 2448831.79 FRUTTI 30000 N/A N/A -67.7
N/A 2449942.73 FRUTTI 30000 N/A N/A -64.4
N/A 2450292.65 FRUTTI 30000 N/A N/A -69.2
N/A 2450705.52 FRUTTI 30000 N/A N/A -69.8
N/A 2450996.82 FRUTTI 30000 N/A N/A -69.8
N/A 2451033.62 FRUTTI 30000 N/A N/A -72.1
N/A 2451358.82 FRUTTI 30000 N/A N/A -66.2
N/A 2451384.68 FRUTTI 30000 N/A N/A -67.6
N/A 2451385.71 FRUTTI 30000 N/A N/A -67.5
N/A 2451386.69 FRUTTI 30000 N/A N/A -67.9
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

Photometric data

V : 12.660 B-V : 0.93

BPS CS22957-027

Atmospheric data

Teff : 5050 log g : 2.0 vturb : 2.0

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-0.762.27.79
CN...-1.361.66.61
Na I...-2.190.774.14
Mg I...-2.750.214.83
Ti II...-2.810.152.21
Fe I...-2.96...4.54
Fe II...-2.97...4.53
Sr II...-3.66-0.7-0.69
Ba II...-4.96-2.0-2.83
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C 25

Binarity

Binarity Positive
Vrad -72.8
Period 3125

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A 2448099.85 FRUTTI 30000 N/A N/A -70.0
N/A 2448114.86 FRUTTI 30000 N/A N/A -70.5
N/A 2448115.79 FRUTTI 30000 N/A N/A -69.6
N/A 2448116.80 FRUTTI 30000 N/A N/A -69.8
N/A 2448117.90 FRUTTI 30000 N/A N/A -71.0
N/A 2448119.84 FRUTTI 30000 N/A N/A -70.4
N/A 2451002.80 FRUTTI 30000 N/A N/A -63.7
N/A 2451035.76 FRUTTI 30000 N/A N/A -63.4
N/A 2451360.92 FRUTTI 30000 N/A N/A -70.1
N/A 2451384.82 FRUTTI 30000 N/A N/A -71.8
N/A 2451386.86 FRUTTI 30000 N/A N/A -72.6
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

Photometric data

V : 13.60 B-V : 0.67