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News Release Archive:

News Release 285 of 950

January 10, 2008 10:00 AM (EST)

News Release Number: STScI-2008-04

Hubble Finds Double Einstein Ring

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Image: Gravitational Lens System SDSSJ0946+1006 (Double Einstein Ring)

Gravitational Lens System SDSSJ0946+1006 (Double Einstein Ring)

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ABOUT THIS IMAGE:

This is an image of gravitational lens system SDSSJ0946+1006 as photographed by Hubble Space Telescope's Advanced Camera for Surveys.

The gravitational field of an elliptical galaxy warps the light of two galaxies exactly behind it. The massive foreground galaxy is almost perfectly aligned in the sky with two background galaxies at different distances. The foreground galaxy is 3 billion light-years away, the inner ring and outer ring are comprised of multiple images of two galaxies at a distance of 6 and approximately 11 billion light-years. The odds of seeing such a special alignment are estimated to be 1 in 10,000.

Object Name: SDSSJ0946+1006

Image Type: Astronomical

Credit: NASA, ESA, R. Gavazzi and T. Treu (University of California, Santa Barbara), and the SLACS team

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The above image is part of a montage:

Montage Image: Hubble Sees Double Einstein Ring Image Type: Astronomical/Annotated Hubble Sees Double Einstein RingPRC2008-04 Gravitational Lens System SDSSJ0946+1006 (Zoom onto Double Einstein Ring) Image Type: Astronomical Gravitational Lens System SDSSJ0946+1006 (Zoom onto Double Einstein Ring)

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