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J/A+A/382/118 Spectroscopic sub-systems in multiple stars (Tokovinin+, 2002)
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Statistics of spectroscopic sub-systems in visual multiple stars
Tokovinin A.A., Smekhov M.G.
<Astron. Astrophys. 382, 118 (2002)>
=2002A&A...382..118T
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ADC_Keywords: Stars, double and multiple ; Binaries, spectroscopic ;
Radial velocities ; Rotational velocities
Keywords: binaries: visual - binaries: spectroscopic
Description:
A large sample of visual multiples of spectral types F5-M has been
surveyed for the presence of spectroscopic sub-systems.
In table 1 we provide basic identifiers for the components or their
combinations, average radial velocities, parameters of correlation
dips and analysis of the velocity variability and physical relation.
Notes contain comments and additional identifiers. Individual radial
velocities yet unpublished are listed in table 2. Table 6 is extracted
from the Multiple Star Catalog (Cat. <J/A+AS/124/75>) for the analysis
of the statistics of spectroscopic+visual multiple stellar systems.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 96 577 Identification, main data
notes.dat 93 236 Notes to table1
table2.dat 41 2483 Individual radial velocities
table6.dat 41 65 Data on visual+spectroscopic multiples
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See also:
III/191 : Radial Velocities of Nearby Stars (Tokovinin, 1992)
J/A+A/374/227 : Radial velocity in multiple systems (Tokovinin+, 2001)
J/A+AS/124/75 : Multiple star catalogue (MSC) (Tokovinin 1997-1999)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 10 A10 --- WDS WDS-style coordinates J2000
12- 13 A2 --- Comp Component identifier (1)
15- 22 A8 --- HD/BD HD or BD identifier
24- 28 A5 --- ADS ADS identifier
33- 39 F7.2 km/s HRV Mean heliocentric radial velocity
41- 45 F5.2 km/s e_HRV Error of the mean HRV
47- 49 I3 --- o_HRV Number of HRV measurements
51- 54 F4.2 --- P(chi2) Probability that chi^2^ exceeds actual value
58- 61 F4.2 km/s EW ? Equivalent width of the correlation dip
63- 66 F4.2 km/s e_EW ? Error of equivalent width
68- 70 I3 --- o_EW ? Number of EW and Vsini measurements
72- 75 F4.1 km/s Vsin(i) ? Projected rotational velocity
77- 80 F4.1 km/s e_Vsin(i) ? Error of rotational velocity (2)
82 A1 --- f_Vsin(i) [*] Flag for Vsini error (2)
86- 89 A4 --- Var Variability status (3)
91- 93 A3 --- Phys Physical relation to other components (4)
95 A1 --- RVflag [R] R: individual velocities in table2.dat
96 A1 --- Stat [BDT] Flag for statistical samples (5)
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Note (1): If more than two unresolved visual components, '+' appears.
Note (2): If upper limits on Vsin(i) are given here instead of errors, this is
indicated by '*' in column 82.
Note (3): Variability status:
C: constant
C?: likely constant
V: variable
V?: likely variable
VO: variability likely due to visual orbital motion
S1O: single-lined binary with orbit
S2O: double-lined binary with orbit
Asterisk indicates possible mixture of partially resolved components
affecting the velocity precision and equivalent width.
Note (4): Physical relation to other components:
*: primary component or components of a multiple system
P: physical component
P?: likely physical component
O: optical component
O?: likely optical component
Note (5): Flag for three statistical sub-samples:
B: visual binaries with known orbits
D: wide resolved visual binaries
T: tertiary components to physical binaries
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Byte-by-byte Description of file: notes.dat
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Bytes Format Units Label Explanations
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1- 10 A10 --- WDS WDS-style coordinates J2000
12- 13 A2 --- Comp Component identifier
15- 94 A80 --- Text Text of the note
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 10 A10 --- WDS WDS-style coordinates J2000
12- 13 A2 --- Comp Component identifier
15- 25 F11.3 --- JDH Heliocentric Julian date
27- 33 F7.2 km/s RV Radial velocity
35- 39 F5.2 km/s e_RV Formal error of the velocity
41 A1 --- Flag [C] C: measured with CORAVEL
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Byte-by-byte Description of file: table6.dat
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Bytes Format Units Label Explanations
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1- 10 A10 --- MSC MSC (1900) identifier (J/A+AS/124/75>
12- 16 A5 --- SpType Spectral type of the primary component
18- 22 F5.2 --- log(PL) Log10 of the visual period in days
24- 28 F5.3 --- e_log(PL) Eccentricity of the visual orbit
31- 35 F5.2 --- log(PS) Log10 of the spectroscopic period in days
37- 41 F5.3 --- e_log(PS) Eccentricity of the spectroscopic orbit
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History: 6 WDS designations were corrected on 26-Apr-2002
02398+0042 AB transformed in 02398+0009 AB
03182+0056 AB transformed in 03183-0056 AB
08061+0011 AB transformed in 08061-0047 AB
13237+0019 AB transformed in 13237-0043 AB
13343+0018 AB transformed in 13343-0019 AB
17302+0054 AB transformed in 17304-0104 AB
Acknowledgements: Andrei Tokovinin <atokovinin@ctio.noao.edu>
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(End) Patricia Bauer [CDS] 26-Apr-2002