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Most Strong Lensing Deflectors in the AGEL Survey Are in Group and Cluster Environments

  • Authors: William J. Gottemoller, Nandini Sahu, Rodrigo Cordova Rosado, Leena Iwamoto, Courtney B. Watson, Kim-Vy H. Tran, A. Makai Baker, Tania M. Barone, Duncan J. Bowden, Karl Glazebrook, Anishya Harshan, Tucker Jones, Glenn G. Kacprzak, Camryn M. Neches

William J. Gottemoller et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 5.

Toy model of Σ5(z). The orange ellipses are galaxies fit to the deflector environment at zdefl. Including the central deflector, the distance to the fifth-closest fitted deflector environment member (labeled “5”) to the center of the field is D5, Mpc (dashed red line). Σ5(z) is the surface density enclosed by the circle with radius D5, Mpc (red, dashed circle).

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