NGC 92 in H-alpha

The largest member of the galaxy group known as Robert''s Quartet is NGC 92, a spiral Sa galaxy with an unusual appearance. One of its arms, about 100,000 light-years long, has been distorted by interactions and contains a large quantity of dust. Using this H-alpha image obtained with FORS2 on the VLT, astronomers were able to study the properties of regions of active star formation ("HII regions"). They found more than 200 of such regions in NGC 92, with a size between 500 and 1,500 light-years.

Créditos:

ESO

Sobre a imagem

Id:eso0535b
Tipo:Observação
Data de divulgação:4 de Novembro de 2005
Notícias relacionadas:eso0535
Tamanho:1789 x 1929 px

Sobre o objeto

Nome:NGC 92, Roberts's Quartet
Tipo:Local Universe : Galaxy : Type : Spiral
Local Universe : Galaxy : Grouping : Cluster
Distância:150 milhão anos-luz
Constellation:Phoenix
Categoria:Galaxies

Formatos de imagens

JPEG grande
1,6 MB

Papéis de parede

1024x768
303,7 KB
1280x1024
553,8 KB
1600x1200
882,6 KB
1920x1200
1,1 MB
2048x1536
1,4 MB

Coordenadas

Position (RA):0 21 31.71
Position (Dec):-48° 37' 30.08"
Field of view:2.98 x 3.21 arcminutes
Orientação:O norte está a 0.3° à direita da vertical

Cores e filtros

BandaTelescópio
Óptico
H-alpha
Very Large Telescope
FORS2

 

Veja também