Hotspots and photon rings in spherically-symmetric spacetimes
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DOI: 10.1093/mnras/stae1321
Abstract: Future black hole (BH) imaging observations are expected to resolve finer features corresponding to higher-order images of hotspots and of the horizon-scale accretion flow. In spherical spacetimes, the image order is determined by the number… read more here.
Keywords: diameters widths; hotspots photon; order images; photon rings ... See more keywords