Lockman Hole
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Combining the images from all EPIC cameras, the Lockman Hole
provides the deepest ever X-ray survey of this region where
observation of the early Universe is facilitated by the relative
absence of intervening, absorbing material. The view gives a 'real
colour' representation of all the sources, coded according to
their X-ray hardness. More than 60 new sources are detected in the
5-10 keV band alone. Image courtesy of G. Hasinger,
Astrophysikalisches Institute, Potsdam, Germany.
Last Update: 1 September 2019