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(Re)solving the Complex Multiscale Morphology and V-shaped Spectral Energy Distribution of a Newly Discovered Strongly Lensed Little Red Dot in A383

  • Authors: Josephine F. W. Baggen, Pieter van Dokkum, Ivo Labbé, Gabriel Brammer

Josephine F. W. Baggen et al 2026 The Astrophysical Journal Letters 1006 .

  • Provider: AAS Journals

Caption: Figure 6.

Left: delensed warped-pixel reconstruction of the observed RGB images (F200W/F150W/F115W, top; F444W/F200W/F115W, bottom). Each pixel is mapped back to the source plane via the lens equation. Middle: schematic reconstruction of the intrinsic morphology inferred from multiband GALFIT modeling combined with lensing corrections. Right: mock RGB images (F200W/F150W/F115W, top; F444W/F200W/F115W, bottom) in the absence of lensing. The best-fit models for each filter are corrected for lensing (see text), convolved with the regular JWST PSF, and realistic background is added. These images demonstrate that, in the absence of magnification, all substructure would be compressed to scales comparable to the native JWST pixel size, making the intrinsic morphology challenging to uncover.

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