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INTEGRAL/IBIS 7-year map of the Galactic Bulge

INTEGRAL/IBIS 7-year map of the Galactic Bulge


Date: 11 August 2010
Satellite: INTEGRAL
Depicts: Galactic Bulge
Copyright: Roman Krivonos (RSDC, Moscow, Russia, and MPA, Garching Germany), Astronomy Letters, 2010 in press; map of the Galactic Ridge emission from M. Revnivtsev et al., 2006

This image shows a map of the Galactic Bulge region, reconstructed from data collected over seven years, from 2003 to 2010, with IBIS/ISGRI on board INTEGRAL, and covering the 17-60 keV energy band. The overlaid green contours are isophotes of the 4.9 micron surface brightness of the Galaxy as seen by COBE/DIRBE, revealing the bulge/disc structure of the inner Galaxy. The near-infrared brightness of the Galaxy traces also the hard X-ray Galactic Ridge emission.

See "related images" in the right-hand menu for a version of this image without the overlaid contours.

Last Update: 1 September 2019
19-Oct-2021 08:21 UT

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