Dark matter in CL 0053-37
A "map" of the dark matter distribution (black contours) in the cluster of galaxies CL0053-37, as obtained from the weak lensing effects detected in the WFI images, and the X-ray flux (green contours) taken from the All-Sky Survey carried out by the ROSAT satellite observatory. The distribution of galaxies resembles the elongated, dark-matter profile. Because of ROSAT's limited image sharpness (low "angular resolution"), it cannot be entirely ruled out that the observed X-ray emission is due to an active nucleus of a galaxy in CL0053-37, or even a foreground stellar binary system in NGC 300.
Créditos:ESO
Sobre a imagem
Id: | eso0221e |
Tipo: | Observação |
Data de divulgação: | 7 de Agosto de 2002 |
Notícias relacionadas: | eso0221 |
Tamanho: | 723 x 955 px |
Sobre o objeto
Nome: | CL0053-37 |
Tipo: | Early Universe : Cosmology : Phenomenon : Dark Matter Early Universe : Galaxy : Grouping : Cluster |
Distância: | z=0.162 (desvio para o vermelho) |
Categoria: | Galaxy Clusters |