Fig. 11.
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Second LRIS spectrum of AT2019aalc zoomed in on the He IIλ4686+N IIIλ4640 complex region and compared to those of the BFFs AT2021loi (Makrygianni et al. 2023) and AT2017bgt (Trakhtenbrot et al. 2019), the peculiar transient event AT2019avd (Trakhtenbrot et al. 2020), the repeating TDE AT2020vdq (Somalwar et al. 2025b), and the TDE-Bowen AT2018dyb (Pan et al. 2018). All of the plotted spectra were normalized at 5200 Å.
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