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| Query : 2009PASP..121..248A |
2009PASP..121..248A - Publ. Astron. Soc. Pac., 121, 248-250 (2009/March-0)
Evidence that most binaries do not evolve after the primaries reach the main sequence.
ABT H.A.
Abstract (from CDS):
Assuming that binaries are formed in three-body interactions in clusters, we wonder whether the process continues after the stars reach the main sequence. We considered the 233 binaries with known orbital elements that are main-sequence members in 69 open clusters, and looked for changes (presumably decreases) in separations or periods and eccentricities. We found none that are statistically significant, indicating that most binaries are fully formed by the time that their primaries reach the main sequence.
Abstract Copyright: ∼
Journal keyword(s): Stars
Simbad objects: 5
| Number of rows : 5 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cl Melotte 25 | OpC | 04 30 27.4 | +16 46 43 | ~ | 3309 | 0 | |||||
| 2 | M 42 | HII | 05 35 16.8 | -05 23 15 | ~ | 4411 | 0 | |||||
| 3 | * tet02 Ori A | SB* | 05 35 22.9012398264 | -05 24 57.832632108 | 5.37 | 6.30 | 6.39 | 6.30 | 6.35 | O9.5IVp | 576 | 0 |
| 4 | NGC 2632 | OpC | 08 39 58.4 | +19 36 33 | ~ | 1733 | 0 | |||||
| 5 | ACO 1656 | ClG | 12 59 44.40 | +27 54 44.9 | ~ | 5141 | 2 |
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