The Cloverleaf quasar
The Cloverleaf Quasar, so named because it is actually a single object appearing as four, courtesy of gravitational lensing. In this phenomenon, foreground galaxies bend and magnify the distant quasar's light into four point sources of illumination.
Credit:ESO
About the Image
| Id: | cloverleaf-quasar |
| Type: | Observation |
| Release date: | 3 December 2009, 23:21 |
| Size: | 830 x 816 px |
About the Object
| Name: | Cloverleaf quasar, H 1413+117 |
| Type: | Early Universe : Galaxy : Type : Gravitationally Lensed Early Universe : Galaxy : Activity : AGN : Quasar |
| Distance: | z=2.56 (redshift) |
| Category: | Cosmology Galaxies Quasars and Black Holes |
