A flare orbiting the central black hole in NGC 3516
Minimum credit line:
Image courtesy of K. Iwasawa, G. Miniutti and A. Fabian and ESA.
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About this Image
The upper panel shows the smoothed excess emission map on the time-energy plane for the Fe K? as measured for NGC 3516. The resolution is 100eV in energy and 2 ks in time. The colour coding is according to a �blackblody� with the brightest pixels correspond to about 15 excess counts. The spectral evolution agrees with emission arising from a spot on the accretion disc, illuminated by a corotating flare located at a radius of 3.5 - 8 Rs (Schwarzschild radii). The lower panels shows a theoretical picture for comparison.
Investigator(s): K. Iwasawa, G. Miniutti and A. Fabian
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