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TDE 2025abcr: A Tidal Disruption Event in the Outskirts of a Massive Galaxy

  • Authors: Robert Stein, Jonathan Carney, Charlotte Ward, Raffaella Margutti, Xander J. Hall, Itai Sfaradi, Igor Andreoni, Panos Charalampopoulos, Ryan Chornock, Suvi Gezari, Geoffrey Mo, Yuhan Yao, Akash Anumarlapudi, Eric C. Bellm, Joshua S. Bloom, Malte Busmann, Ilaria Caiazzo, S. Bradley Cenko, Matthew J. Graham, Steven L. Groom, Daniel Gruen, Erica Hammerstein, Benjamin C. Kaiser, Mansi M. Kasliwal, Brendan O'Connor, Antonella Palmese, Josiah Purdum, Jillian C. Rastinejad, Reed Riddle, Ben Rusholme, Jesper Sollerman, Jean J. Somalwar, Sylvain Veilleux

Robert Stein et al 2026 The Astrophysical Journal Letters 1006 .

  • Provider: AAS Journals

Caption: Figure 13.

Comparison of Hα FWHM vs. phase for TDE 2025abcr, TDE 2024tvd (Y. Yao et al. 2025), EP240222A (C. C. Jin et al. 2025), and the nuclear TDE sample of P. Charalampopoulos et al. (2022), measured from single-Lorentzian fits. For context, we also show the narrow components of double-Lorentzian fits to SN IIn from F. Taddia et al. (2013). TDEs are shown in days from peak, whereas SN are shown in days from discovery, as peak epochs were not uniformly available for the SN IIn sample. TDE 2025abcr sits on the low end of the nuclear sample but above the narrow emission widths typical of SN IIn.

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