J/AZh/82/231 Dynamic stability of selected multiple stars (Orlov+, 2005)
Analysis of the dynamic stability of selected multiple stars with weak hierarchy
Orlov V.V., Zhuchkov R.Ya.
<Astron. Zh. 82, 231 (2005)>
=2005AZh....82..231O 2005AZh....82..231O
=2005ARep...49..201O 2005ARep...49..201O
ADC_Keywords: Stars, double and multiple ; Binaries, orbits
Abstract:
The abundances of chemical elements in the atmospheres of seven
classical barium stars are derived.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
stars.dat 60 16 Star positions and magnitudes (from Simbad)
table1.dat 161 38 Parameters of multiple systems with known
orbital elements of subsystems occupying
adjacent hierarchy levels and their errors.
refs.dat 85 27 References
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See also:
I/237 : The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
Byte-by-byte Description of file: stars.dat
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Bytes Format Units Label Explanations
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1- 11 A11 --- Name Object name
15- 16 I2 h RAh Right ascension (J2000.0)
18- 19 I2 min RAm Right ascension (J2000.0)
21- 24 F4.1 s RAs Right ascension (J2000.0)
26 A1 --- DE- Declination sign (J2000.0)
27- 28 I2 deg DEd Declination (J2000.0)
30- 31 I2 arcmin DEm Declination (J2000.0)
33- 34 I2 arcsec DEs Declination (J2000.0)
38- 42 F5.2 mag Bmag ? B magnitude
44- 48 F5.2 mag Vmag ? V magnitude
50- 60 A11 --- SpType MK spectral type
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Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 11 A11 --- Name Henry Draper number or ADS number (1)
14- 23 A10 --- IDS IDS number
25- 26 A2 --- Level Level of hierarchy (2)
34- 41 F8.3 yr Per Period
43- 49 F7.3 yr e_Per Uncertainty in Per
51- 58 F8.3 yr T0 Time of periastron passage
60- 66 F7.3 yr e_T0 Uncertainty in T0
68- 72 F5.3 --- Ecc Eccentricity
74- 78 F5.3 --- e_Ecc Uncertainty in Ecc
80- 87 F8.5 arcsec amaj Semimajor axis
89- 95 F7.5 arcsec e_amaj Uncertainty in amaj
97-101 F5.1 deg OMEGA Longitude of node
103-106 F4.1 deg e_OMEGA Uncertainty in OMEGA
109-114 F6.2 deg omega Longitude of periastron
116-120 F5.2 deg e_omega Uncertainty in omega
122-126 F5.1 deg Inc Inclination
128-131 F4.1 deg e_Inc Uncertainty in Inc
133-137 F5.2 solMass M1 Mass of primary component
139-142 F4.2 solMass e_M1 Mass of primary component
144-147 F4.2 solMass M2 Mass of secondary component
149-152 F4.2 solMass e_M2 Mass of secondary component
155-161 A7 --- r_Name References
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Note (1): Note on Names:
HD 98230/1 means HD 98230 and HD 98231
HD 213051/2 means HD 213051 and HD 213052
HD 217675/6 means HD 217675 and HD 217676
Note (2): All triple systems under study have the hierarchical structure.
Inner binary is formed by closer components, as well as the outer
binary is formed by distant component and photocenter of inner binary.
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Byte-by-byte Description of file: refs.dat
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Bytes Format Units Label Explanations
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1- 2 I2 --- Ref Reference number
4- 22 A19 --- BibCode BibCode
24- 41 A18 --- Aut Author's name
43- 92 A50 --- Com Comments
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(End) Veta Avedisova [INASAN] 11-Dec-2005