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A Hungry Quasar Caught in the Act

May 31, 2001

The VLT Secures Spectacular Image of Distant Gravitational Interaction

A new image of a distant quasar (the luminous core of an "active" galaxy) shows that it is engaged in a gravitational battle with its neighbouring galaxies. It also provides information on how supermassive black holes present in the center of quasars are fed.

Using the FORS2 multi-mode instrument at the ESO 8.2-m VLT KUEYEN telescope on Paranal (Chile), a team of German astronomers obtained a spectacular image of the close and complex environment of the distant quasar "HE 1013-2136", located some 10 billion light-years away.

The remarkable structures revealed in this photo lend support to the hypothesis that quasar activity is connected to gravitational interaction between galaxies, already at this early epoch of the Universe (about 5 billion years after the Big Bang).

The full text of this ESO Press Release, with two photos, is available at:

http://www.eso.org/outreach/press-rel/pr-2001/pr-13-01.html

European Southern Observatory (ESO)

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