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All-sky image of XMM-Newton slew observations

All-sky image of XMM-Newton slew observations


Date: 23 December 2010
Satellite: XMM-Newton
Depicts: The X-ray sky from XMM-Newton slew observations
Copyright: A. Read (University of Leicester) & ESA.

XMM-Newton, with the large collecting area of its mirrors and the high quantum efficiency and low background of its EPIC detectors, is the most sensitive X-ray observatory flown to date. This is clearly apparent during EPIC-pn slew exposures which yield on average only seven seconds of on-source exposure time.

The data collected by XMM-Newton's EPIC-pn camera during this 'downtime', as the spacecraft slews between dedicated pointings, already covers half of the sky, and forms the input for the XMM-Newton Slew Survey Catalogue.

This exposure-corrected 0.2-2 keV all-sky image is made up of EPIC-pn slew observations from 836 slews, spanning nearly nine years of operations. It is a mosaic of 53 495 1-degree images (plus equivalent exposure maps). The image is in Galactic projection, centred on the Galactic Centre, and the blue lines show the equatorial coordinate grid.

Last Update: 31 August 2019
12-Aug-2020 18:53 UT

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