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.
Källa:ESO
Om bilden
ID: | eso0221e |
Typ: | Observation |
Publiceringsdatum: | 7 augusti 2002 |
Relaterade pressmeddelanden: | eso0221 |
Storlek: | 723 x 955 px |
Om objektet
Namn: | CL0053-37 |
Typ: | Early Universe : Cosmology : Phenomenon : Dark Matter Early Universe : Galaxy : Grouping : Cluster |
Avstånd: | z=0.162 (rödförskjutning) |
Kategori: | Galaxy Clusters |