J/A+A/473/829 Orbital elements of 156 spectroscopic binaries (Mermilliod+, 2007)
Red giants in open clusters. XIII.
Orbital elements of 156 spectroscopic binaries.
Mermilliod J.-C., Andersen J., Latham D., Mayor M.
<Astron. Astrophys. 473, 829 (2007)>
=2007A&A...473..829M 2007A&A...473..829M
ADC_Keywords: Clusters, open ; Binaries, spectroscopic ; Radial velocities
Keywords: Galaxy: open clusters and associations: general -
stars: binaries: spectroscopic - techniques: radial velocities -
star: late-type
Abstract:
We report on a comprehensive, long-term monitoring programme aiming to
improve our knowledge of such binary systems. We monitored the radial
velocities of 1309 red giants in 187 open clusters with the Coravel
spectrometers for 20 years, with a typical accuracy of 0.4km/s per
observation. In total, 289 spectroscopic binaries were detected in the
sample. We present first orbits for 67 systems and improved elements
for another 64 previously published orbits, based on additional
observations. For completeness, 25 published orbits are listed as
well. The orbits are based on a total of 4039 observations, an average
of 26 per system. Orbital periods range from 41.5 to 14722-days
(40yrs), eccentricities from 0.00 to 0.81. The remaining systems have
too long periods and/or inadequate phase coverage for an orbit
determination at this time or too few observations.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
cfapos.dat 46 21 Simbad position for stars with CfA data
cfa.dat 44 335 CfA radial velocities for 21 stars
catalog.dat 206 157 Catalogue of orbital elements (tables 3-8 of paper)
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See also:
J/A+A/299/53 : Red giants in NGC 3680 and IC 4651 (Mermilliod+, 1995)
J/A+A/307/80 : Velocities of red giants in NGC 2099 (Mermilliod+ 1996)
J/A+A/319/481 : Radial velocities of 10 spectros. binaries (Mermilliod+ 1997)
J/A+A/324/91 : Melotte 71 red giants radial velocities (Mermilliod+ 1997)
J/A+A/339/423 : Velocities of red giants in NGC 752 (Mermilliod+ 1998)
J/A+A/375/30 : Radial velocities in open clusters (Mermilliod+, 2001)
J/A+A/399/105 : Radial velocities of red giants in NGC 1817 (Mermilliod+, 2003)
J/A+A/423/189 : UBV and RV of red giants in NGC 2477 (Eigenbrod+, 2004)
Byte-by-byte Description of file: cfapos.dat
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Bytes Format Units Label Explanations
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1- 8 A8 --- Cluster Cluster designation
10- 14 I5 --- Star Star number
16- 17 I2 h RAh Simbad Right ascension (J2000)
19- 20 I2 min RAm Simbad Right ascension (J2000)
22- 27 F6.3 s RAs Simbad Right ascension (J2000)
29 A1 --- DE- Simbad Declination sign (J2000)
30- 31 I2 deg DEd Simbad Declination (J2000)
33- 34 I2 arcmin DEm Simbad Declination (J2000)
36- 40 F5.2 arcsec DEs Simbad Declination (J2000)
42- 46 F5.2 mag Vmag V magnitude (from Simbad)
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Byte-by-byte Description of file: cfa.dat
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Bytes Format Units Label Explanations
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1- 8 A8 --- Cluster Cluster designation
10- 14 I5 --- Star Star number
18- 28 F11.3 d HJD Heliocentric Julian date
32- 37 F6.2 km/s HRV Radial velocity
41- 44 F4.2 km/s e_HRV Error on the radial velocity
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Byte-by-byte Description of file: catalog.dat
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Bytes Format Units Label Explanations
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1- 8 A8 --- Cluster Cluster designation
10- 14 I5 --- Star Star number
15 A1 --- m_Star [ab] Multiplicity index on Star number
17- 18 I2 h RAh Right ascension (J2000)
20- 21 I2 min RAm Right ascension (J2000)
23- 28 F6.3 s RAs Right ascension (J2000)
31 A1 --- DE- Declination sign (J2000)
32- 33 I2 deg DEd Declination (J2000)
35- 36 I2 arcmin DEm Declination (J2000)
38- 42 F5.2 arcsec DEs Declination (J2000)
46- 56 F11.5 d Per Orbital period
58- 66 F9.5 d e_Per ?=- Error on period
69- 77 F9.3 d To Longitude of the periastron -2400000.
80- 86 F7.3 d e_To ?=- Error on the longitude of the periastron
89- 94 F6.4 --- ecc Eccentricity
96-100 F5.3 --- e_ecc ?=- Error on eccentricity
103-108 F6.2 km/s Vo Systemic radial velocity
111-114 F4.2 km/s e_Vo ?=- Error on the systemic radial velocity
118-123 F6.2 deg omega ?=- Angle of the line of nodes
126-131 F6.2 deg e_omega ?=- Error on the angle of the line of nodes
134-138 F5.2 km/s K Semi-amplitude
141-144 F4.2 km/s e_K Error on the semi-amplitude
147-154 F8.6 --- f(m) Mass function
157-164 F8.6 --- e_f(m) Error on the mass function
167-174 F8.3 Gm asini ?=- Projected separation
177-183 F7.3 Gm e_asini ?=- Error on the projected separation
186-189 F4.2 km/s sigO-C Sigma (O-C)
192-194 I3 --- Nobs Number of measurements
197-206 A10 --- Notes Remarks about membership, binarity, etc
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Acknowledgements:
Jean-Claude Mermilliod, Jean-Claude.Mermilliod(at)obs.unige.ch
References:
Mermilliod & Mayor, Paper I 1989A&A...219..125M 1989A&A...219..125M
Mermilliod et al., Paper II 1989A&AS...79...11M 1989A&AS...79...11M
Mermilliod & Mayor, Paper III 1990A&A...237...61M 1990A&A...237...61M
Mermilliod et al., Paper IV 1995A&A...299...53M 1995A&A...299...53M, Cat. J/A+A/299/53
Mermilliod et al., Paper V 1996A&A...307...80M 1996A&A...307...80M, Cat. J/A+A/307/80
Mermilliod et al., Paper VI 1997A&A...319..481M 1997A&A...319..481M, Cat. J/A+A/319/481
Mermilliod et al., Paper VII 1997A&A...324...91M 1997A&A...324...91M, Cat. J/A+A/324/91
Mermilliod et al., Paper VIII 1998A&A...339..423M 1998A&A...339..423M, Cat. J/A+A/339/423
Mermilliod et al., Paper IX 2001A&A...375...30M 2001A&A...375...30M, Cat. J/A+A/375/30
Mermilliod et al., Paper X 2003A&A...399..105M 2003A&A...399..105M, Cat. J/A+A/399/105
Eigenbrod et al., Paper XI 2004A&A...423..189E 2004A&A...423..189E, Cat. J/A+A/423/189
Mermilliod & Mayor, Paper XII 2007A&A...470..919M 2007A&A...470..919M
(End) Patricia Vannier [CDS] 09-Aug-2007