65 citations · 241 across the 10 of their papers we have counts for
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Hezhen Liu, B. Luo, W. N. Brandt +6
We report the discovery of extreme X-ray variability in a type 1 quasar: SDSS J075101.42+291419.1. It has a black hole mass of 1.6×107 M⊙ measured from reverber…