Inici     Començant     Sobreviure a l'Univers    
Inhabited Sky
    News@Sky     Astro Fotografia     La Col·lecció     Fòrum     Blog New!     FAQ     Premsa     Login  

HD 126061


Contingut

Imatges

Carregar la teva Imatge

DSS Images   Other Images


Articles Relacionats

Kinematics of Hipparcos Visual Binaries. II. Stars with Ground-Based Orbital Solutions
This paper continues kinematical investigations of the Hipparcos visualbinaries with known orbits. A sample, consisting of 804 binary systemswith orbital elements determined from ground-based observations, isselected. The mean relative error of their parallaxes is about 12% andthe mean relative error of proper motions is about 4%. However, even 41%of the sample stars lack radial velocity measurements. The computedGalactic velocity components and other kinematical parameters are usedto divide the stars with known radial velocities into kinematical agegroups. The majority (92%) of binaries from the sample are thin diskstars, 7.6% have thick disk kinematics and only two binaries have halokinematics. Among them, the long-period variable Mira Ceti has a verydiscordant {Hipparcos} and ground-based parallax values. From the wholesample, 60 stars are ascribed to the thick disk and halo population.There is an urgent need to increase the number of the identified halobinaries with known orbits and substantially improve the situation withradial velocity data for stars with known orbits.

Enviar un nou article


Enllaços Relacionats

  • - No s'ha trobat enllaços -
Enviar un nou enllaç


Membre dels grups següents:


Dades d'Observació i Astrometria

Constel·lació:Centaurus
Ascensió Recta:14h24m17.05s
Declinació:-38°37'46.2"
Magnitud Aparent:9.586
Moviment propi RA:18.3
Moviment propi Dec:-97.5
B-T magnitude:10.369
V-T magnitude:9.651

Catàlegs i designacions:
Noms Propis   (Edit)
HD 1989HD 126061
TYCHO-2 2000TYC 7805-2026-1
USNO-A2.0USNO-A2 0450-17499877
HIPHIP 70410

→ Sol·licitar més catàlegs i designacions de VizieR