The "Cloverleaf" Quasar H 1413+117

Left: The central area of a CCD image of the quadruply lensed quasar H 1413+117 (the Cloverleaf), obtained in red light on 8 March 1988 at the ESO/MPI 2.2 m telescope. The four images are clearly separated; they all belong to the same object. Right: The geometry of the system. The four images of the quasar are called A, B, C and D, in order of decreasing brightness. The distances between them are indicated in arcseconds. (ESO Press Release eso8806; BW)

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ESO

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About the Image

Id:eso8806a
Type:Observation
Release date:28 July 1988
Related releases:eso8806
Size:1756 x 849 px

About the Object

Name:Cloverleaf quasar, H 1413+117
Type:• Early Universe : Galaxy : Activity : AGN : Quasar
• X - Quasars & Black Holes
Distance:z=2.56 (redshift)

Image Formats

Large JPEG
382.9 KB
Screensize JPEG
160.4 KB

Colours & filters

BandTelescope
Optical MPG/ESO 2.2-metre telescope
WFI

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