The double star HD 87643

Observations made with ESO's Very Large Telescope Interferometer allowed a team of astronomers to discover that the star HD 87643, which lies at the centre of a dusty nebula, has a companion located about 50 times the mean Earth-Sun distance. This companion completes an orbit in a few tens of years and may be responsible for the regular ejections of material that created the nebula. By combining the light from various combinations of three of the telescopes forming the VLT array, the interferometric technique reveals details 100 times smaller than shown with the NACO adaptive optics instrument. The field of view is only 100 milli-arcseconds, or less than one third of a single WFI pixel.

Telif:

ESO/F. Millour et al.

Görüntü Hakkında

Kimlik:eso0928c
Tür:Gözlem
Yayın tarihi:05 Ağustos 2009
Bağlantılı bültenler:eso0928
Boyut:256 x 256 px

Nesne Hakkında

Adı:HD 87643
Tür:Milky Way : Star
Kategori:Nebulae
Stars

Görüntü Türleri

Büyük JPEG
12,8 KB

Duvarkağıtları

1024x768
25,0 KB
1280x1024
32,8 KB
1600x1200
42,0 KB
1920x1200
48,2 KB
2048x1536
59,1 KB

Renkler & Filtreler

BantTeleskop
Kırmızı ötesi
K
Very Large Telescope Interferometer
AMBER

 

Ayrıca görüntüleyin...