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Kasliwal, Marat Gilfanov, Matteo Lucchini, Matthew J. Graham, Matt Nicholl, Michael W. Coughlin, Muryel Guolo, Natalie LeBaron, Olivia Aspegren, Pavel Medvedev, Raffaella Margutti, Rashid Sunyaev, R. Michael Rich, Ryan Chornock, Wenbin Lu, Xander J. Hall, Xiaoshan Huang, Xinyue Sheng, Xinze Guo, Yuhan Yao, Zo\\\"e McGrath","submitted_at":"2026-02-25T06:40:46Z","abstract_excerpt":"We study AT2024kmq and AT2024lhc, two tidal disruption events (TDEs) with blue featureless spectra associated with high-mass black holes ($M_{\\rm BH}\\sim 10^8\\,M_\\odot$). Both events show optical precursors consistent with shock dissipation from stream self-intersection. 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