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A tidal disruption flare in a massive galaxy? Implications for the fuelling mechanisms of nuclear black holes
We argue that the ‘changing look’ active galactic nucleus (AGN) recently reported by LaMassa et al. could be a luminous flare produced by the tidal disruption of a supersolar mass star passing just a few gravitational radii outside the event horizon of a ∼108 M⊙ nuclear black hole. This flare …