Contenidos
Imágenes
Subir su imagen
DSS Images Other Images
Artículos relacionados
A survey of proper-motion stars. VI - Orbits for 40 spectroscopic binaries
Orbital solutions are reported for 40 binaries in the Carney and Latham(1987) survey of proper-motion stars. The earlier orbital solutions forHD 85091, BD + 13 3683 deg, and HD 195987 are confirmed, and that for BD-3 2525 deg is revised. The number of orbital solutions for metal-poorbinaries has been increased from five to 19, six of which have doublelines. For periods longer than 20 days, the distribution of orbitaleccentricity for the metal-poor binaries is similar to that for themetal-rich binaries. For the metal-poor binaries, it is found that allthe short-period orbits are circular, with a transition to eccentricorbits at a period somewhere between 13 and 18 days. Presumably, theclose binaries with short periods were formed with eccentric orbitswhich were subsequently circularized by tidal mechanisms.
|
Enviar un nuevo artículo
Enlaces relacionados
- - No se han encontrado enlaces -
En viar un nuevo enlace
Miembro de los siguientes grupos:
|
Datos observacionales y astrométricos
| Constelación: | Ballena |
| Ascensión Recta: | 00h38m40.33s |
| Declinación: | +00°39'13.9" |
| Magnitud Aparente: | 9.969 |
| Movimiento Propio en Ascensión Recta: | 49.6 |
| Movimiento Propio en Declinación: | -12.1 |
| B-T magnitude: | 10.718 |
| V-T magnitude: | 10.031 |
Catálogos y designaciones:
|
