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Identifying Transitions in Changing-look Active Galactic Nuclei in Light-curve Data with the Zwicky Transient Facility

  • Authors: Margaret E. Verrico, K. Decker French, Vivienne F. Baldassare, Colin J. Burke, Laura Duffy, Nicholas Earl, Megan Harrison, Jason T. Hinkle, Alexander Messick, Samaresh Mondal, Yashasvi Moon, Margaret Shepherd, Zachary Stone

Margaret E. Verrico et al 2026 The Astrophysical Journal 1004 .

  • Provider: AAS Journals

Caption: Figure 11.

ZTF light curves for the five known CL-AGN (gray borders) and three Seyfert 1 AGN (green borders) with a candidate changing-look transition. Overplotted is the three-segment piecewise linear fit computed with pwlf (C. Jekel 2017; black line). Transition properties are listed in Table 2. All CL-AGN except J0849+2747 have behavior consistent with their documented changing-look transition; we identify J0849+2747 as a candidate repeating CL-AGN (see Section 5.1.1).

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