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

HD 6729


Contenidos

Imágenes

Subir su imagen

DSS Images   Other Images


Artículos relacionados

Red and infrared colours of B stars and the reddening law in the Galaxy
The red and infrared intrinsic colours of B stars are derived fromphotometric observations through the UBV(RI)_CJHK and Hβ filters of257 early-type stars. Those stars for which the UBV and Hβmeasurements match the published spectral class, and which show no othersigns of peculiarity, are used to determine the intrinsic photometriccolours of B stars in the red and infrared. From these intrinsic coloursthe interstellar reddening relationships for the red and infraredcolours are evaluated, and the results are compared with previousestimates of these quantities. The values of R, E(B-V) and the distanceare then determined for the individual stars. R is confirmed to be closeto 3.1 in most cases, but was found to be much larger in somedirections. The relationship between R and the location of a star in theGalaxy is investigated. Usually the abnormally reddened stars seemed tobe associated with known regions of star formation. The paper alsoidentifies seven likely variable stars and a number of stars withpossible dust shells.

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:Hidra macho
Ascensión Recta:01h04m49.17s
Declinación:-78°17'51.9"
Magnitud Aparente:8.178
Distancia:338.983 parsecs
Movimiento Propio en Ascensión Recta:29.9
Movimiento Propio en Declinación:1.8
B-T magnitude:8.282
V-T magnitude:8.187

Catálogos y designaciones:
Nombres Propios   (Edit)
HD 1989HD 6729
TYCHO-2 2000TYC 9351-612-1
USNO-A2.0USNO-A2 0075-00205143
HIPHIP 5066

→ Solicitar más catálogos y designaciones a VizieR