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

HD 67230


Contingut

Imatges

Carregar la teva Imatge

DSS Images   Other Images


Articles Relacionats

Stroemgren photometry of F- and G-type stars brighter than V = 9.6. I. UVBY photometry
Within the framework of a large photometric observing program, designedto investigate the Galaxy's structure and evolution, Hβ photometryis being made for about 9000 stars. As a by-product, supplementary uvbyphotometry has been made. The results are presented in a cataloguecontaining 6924 uvby observations of 6190 stars, all south ofδ=+38deg. The overall internal rms errors of one observation(transformed to the standard system) of a program star in the interval6.5

Estimation of spectral classifications for bright southern stars with interesting Stromgren indices
This paper investigates the degree of success with which uvby photometrycan be applied to predict spectral classifications for 947 A, F, and Gstars brighter than an apparent magnitude of 8.3 and with four-colorindices indicating some kind of interesting, unusual, or peculiarspectrum. One or several possible spectral classifications are estimatedfor each star from photometry alone, double stars are distinguished, andthe estimates are compared with published classifications. The resultsshow that the framework provided by uvby photometry can be extended toinclude most G and K stars, reddened stars, peculiar stars, and certaintypes of double star.

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:Cancer
Ascensió Recta:08h07m17.74s
Declinació:+07°16'59.2"
Magnitud Aparent:7.628
Distancia:127.714 parsecs
Moviment propi RA:-42.9
Moviment propi Dec:-11.5
B-T magnitude:8.112
V-T magnitude:7.668

Catàlegs i designacions:
Noms Propis   (Edit)
HD 1989HD 67230
TYCHO-2 2000TYC 206-309-1
USNO-A2.0USNO-A2 0900-05732072
HIPHIP 39733

→ Sol·licitar més catàlegs i designacions de VizieR