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Merger-driven or Internal Evolution? A New Morphological Study of Tidal Disruption Event Host Galaxies

  • Authors: Janet N.Y. Chang, Connor Bottrell, Lixin Dai, Rudrani Kar Chowdhury, Meng Gu, Renbin Yan, Leonardo Ferreira, Sara L. Ellison, Scott Wilkinson, Thomas de Boer

Janet N.Y. Chang et al 2026 The Astrophysical Journal Letters 1004 .

  • Provider: AAS Journals

Caption: Figure C2.

The same analysis in Section 3.2 on the concentration C (top) and residual asymmetry RA (bottom) from L. Simard et al. (2011). The symbols remain in the same style as in Figure 5. These measurements are done using SDSS images only, hence they are only in blue. Asymmetries are not enhanced (slightly suppressed) and concentrations are enhanced in TDE hosts relative to controls. These outcomes agree qualitatively with our results using STATMORPH measurements.

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