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Image for: Digging deeper: First catalogue of X-ray sources in overlapping observations published


The longer an image is exposed, the more you can see: on the left is the image of a single observation, in the middle ten and on the right nineteen superimposed XMM-Newton observations of same region
The longer an image is exposed, the more you can see: on the left is the image of a single observation, in the middle ten and on the right nineteen superimposed XMM-Newton observations of same region

(112 KB, 720 x 209 pixels)

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