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

Milky Way

List of objects (7 stars)

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

Name Comment SIMBAD Object
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

CS22880-074

Stellar Parameters

Teff : 6050 log g : 4.0 vturb : 1.9

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
CHN/A...1.51...-0.151.638.28CH
CNN/A...0.2...-1.440.346.39CN
Na I2...-0.17...-1.86-0.084.38Na I
Mg I4...0.06...-1.740.045.86Mg I
Ca I2...0.2...-1.560.224.78Ca I
Ti II6...0.10...-1.610.173.34Ti II
Fe I41-1.78......-1.78...5.72Fe I
Fe II9-1.75......-1.75...5.75Fe II
Sr II2...0.14...-1.540.241.33Sr II
Y II3...0.6...-1.150.631.06Y II
Zr II3...0.73...-1.030.751.55Zr II
Ba II2...1.34...-0.491.291.69Ba II
La II4...1.24...-0.471.310.63La II
Eu II3...0.55...-1.240.54-0.72Eu II

Isotopic Ratio

12C/13C >40

Binary Parameters

Vrad 58.7

Position

Right Ascension : 20 46 03.22 Declination : -20 59 14.2 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 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


CS22881-036

Stellar Parameters

Teff : 6200 log g : 4.0 vturb : 2.2

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
CHN/A...1.96...0.032.088.46CH
CNN/A...1.0...-0.911.146.92CN
Na I2...0.16...-1.800.254.44Na I
Mg I3...0.40...-1.670.385.93Mg I
Ca I2...0.62...-1.410.644.93Ca I
Ti II7...0.33...-1.650.403.30Ti II
Fe I24-2.05......-2.05...5.45Fe I
Fe II8-2.06......-2.06...5.44Fe II
Sr II2...0.59...-1.360.691.51Sr II
Y II3...1.01...-1.011.041.20Y II
Zr II2...0.95...-1.080.971.50Zr II
Ba II3...1.93...-0.171.882.01Ba II
La II4...1.59...-0.391.660.71La II
Nd II4...2.04...0.072.121.49Nd II
Eu II2...1.00...-1.060.99-0.54Eu II

Isotopic Ratio

12C/13C 40

Binary Parameters

Vrad 44.7

Position

Right Ascension : 22 07 58.43 Declination : -40 44 16.4 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 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


CS22892-052

Binary Parameters

Vrad 11.7

Position

Right Ascension : 22 17 01.66 Declination : -16 39 27.1 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 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


CS22898-027

Stellar Parameters

Teff : 6300 log g : 4.0 vturb : 2.0

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
CHN/A...1.95...-0.102.078.33CH
CNN/A...1.20...-0.831.347.00CN
Na I2...0.17...-1.910.264.33Na I
Mg I4...0.13...-2.060.115.54Mg I
Ti II5...0.23...-1.870.303.08Ti II
Fe I30-2.17......-2.17...5.33Fe I
Fe II6-2.13......-2.13...5.37Fe II
Sr II2...0.6...-1.470.701.40Sr II
Y II4...0.95...-1.190.981.02Y II
Zr II2...1.39...-0.761.411.82Zr II
Ba II4...2.27...0.052.222.23Ba II
La II4...2.28...0.182.351.28La II
Nd II4...2.00...-0.092.081.33Nd II
Eu II3...1.94...-0.241.930.28Eu II

Isotopic Ratio

12C/13C >20

Binary Parameters

Vrad -48.5

Position

Right Ascension : 21 05 45.09 Declination : -18 36 57.5 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 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


CS22942-019

Stellar Parameters

Teff : 4900 log g : 1.8 vturb : 2.0

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
CHN/A...2.2...-0.352.328.08CH
CNN/A...0.7...-1.830.846.00CN
Na I4...1.44...-1.141.535.10Na I
Mg I2...0.77...-1.920.755.68Mg I
Ca I3...0.3...-2.350.323.99Ca I
Ti II2...0.15...-2.450.222.50Ti II
Fe I26-2.67......-2.67...4.83Fe I
Fe II8-2.67......-2.67...4.83Fe II
Sr II2...1.4...-1.171.501.70Sr II
Ba II4...1.50...-1.221.450.96Ba II
La II4...1.85...-0.751.920.35La II
Eu II3...0.8...-1.880.79-1.36Eu II

Isotopic Ratio

12C/13C 30

Binary Parameters

Binarity Positive
Vrad -237.7
Period 2800

Position

Right Ascension : 00 57 18.14 Declination : -25 26 09.7 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 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


CS22948-027

Stellar Parameters

Teff : 4600 log g : 0.8 vturb : 2.3

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
CHN/A...2.1...-0.572.227.86CH
CNN/A...1.1...-1.551.246.28CN
Na I2...0.74...-1.960.834.28Na I
Mg I1...0.35...-2.460.335.14Mg I
Ti II2...0.15...-2.570.222.38Ti II
Fe I11-2.79-0.22...-2.79-0.224.71Fe I
Fe II2-2.350.22...-2.350.225.15Fe II
Ba II3...1.67...-1.171.621.01Ba II

Isotopic Ratio

12C/13C 20

Binary Parameters

Binarity Positive
Vrad -66.2
Period 505

Position

Right Ascension : 21 37 45.77 Declination : -39 27 22.3 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 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


CS22957-027

Stellar Parameters

Teff : 5050 log g : 2.0 vturb : 2.0

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
CHN/A...2.2...-0.642.327.79CH
CNN/A...1.6...-1.221.746.61CN
Na I2...0.77...-2.100.864.14Na I
Mg I2...0.21...-2.770.194.83Mg I
Ti II3...0.15...-2.740.222.21Ti II
Fe I21-2.96......-2.96...4.54Fe I
Fe II7-2.97......-2.97...4.53Fe II
Sr II2...-0.7...-3.56-0.60-0.69Sr II
Ba II1...-2.0...-5.01-2.05-2.83Ba II

Isotopic Ratio

12C/13C 25

Binary Parameters

Binarity Positive
Vrad -72.8
Period 3125

Position

Right Ascension : 23 59 13.10 Declination : -03 53 49.0 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 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