A rotating black hole in a Hernquist dark matter halo produces enlarged shadows and enhanced lensing, bounding the halo parameter to ~0.005 from EHT data and ~0.02 from Einstein ring data.
Image of a spherical black hole with thin accretion disk,
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Shadows and lensing signatures of a rotating black hole in a Hernquist dark matter halo
A rotating black hole in a Hernquist dark matter halo produces enlarged shadows and enhanced lensing, bounding the halo parameter to ~0.005 from EHT data and ~0.02 from Einstein ring data.