Principal     Comenzar     To Survive in the Universe    
Inhabited Sky
    News@Sky     Astrofotografía     La Colección     Foro     Blog New!     FAQ     Prensa     Login  

HD 162021


Contenidos

Imágenes

Subir su imagen

DSS Images   Other Images


Artículos relacionados

Pulkovo compilation of radial velocities for 35495 stars in a common system.
Not Available

Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Subtittle: Radial velocities: The Wilson-Evans-Batten catalogue.
We give a common version of the two catalogues of Mean Radial Velocitiesby Wilson (1963) and Evans (1978) to which we have added the catalogueof spectroscopic binary systems (Batten et al. 1989). For each star,when possible, we give: 1) an acronym to enter SIMBAD (Set ofIdentifications Measurements and Bibliography for Astronomical Data) ofthe CDS (Centre de Donnees Astronomiques de Strasbourg). 2) the numberHIC of the HIPPARCOS catalogue (Turon 1992). 3) the CCDM number(Catalogue des Composantes des etoiles Doubles et Multiples) byDommanget & Nys (1994). For the cluster stars, a precise study hasbeen done, on the identificator numbers. Numerous remarks point out theproblems we have had to deal with.

Radial velocities for the hydrogen-deficient star HD 168476, several helium-strong and helium-weak stars
Radial-velocity measurements are reported for one hydrogen-deficientstar (the extreme helium-rich star HD 168476), three helium-strong stars(HD 93030, HD 96446, and HD 133518), and two helium-weak stars (HD 5737and HD 202671). Statistical tests are made to see if the stars arevariable. HD 168476 is found to be variable in a complex manner; thevariability of HD 93030 is confirmed but the period is revised to1.88016 + or - 0.0008 days; and variability is suspected for HD 96248and HD 5737. One of the stars used as a radial-velocity standard, HD113537, is also suspected of variability.

Fundamental data for southern stars (Second List)
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1959MNRAS.119..638E&db_key=AST

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:Escorpio
Ascensión Recta:17h50m51.76s
Declinación:-42°19'48.4"
Magnitud Aparente:6.685
Distancia:170.648 parsecs
Movimiento Propio en Ascensión Recta:-24.8
Movimiento Propio en Declinación:-63.4
B-T magnitude:8.013
V-T magnitude:6.795

Catálogos y designaciones:
Nombres Propios   (Edit)
HD 1989HD 162021
TYCHO-2 2000TYC 7894-2197-1
USNO-A2.0USNO-A2 0450-30733587
HIPHIP 87344

→ Solicitar más catálogos y designaciones a VizieR