Both cold dark matter and scalar field dark matter halos keep predicted Sgr A* and M87* shadows within 1.2σ of EHT measurements, with a predicted caustic topology difference between the two black holes.
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Optical Signatures of Sgr A* and M87* with Dark Matter Halos
Both cold dark matter and scalar field dark matter halos keep predicted Sgr A* and M87* shadows within 1.2σ of EHT measurements, with a predicted caustic topology difference between the two black holes.