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Compact Core, Extended Reach: A Bipolar Kiloparsec-scale Elongation in a Little Red Dot at z ≈ 5.5

  • Authors: Zhiyuan Ji, Yang Sun, Mauro Giavalisco, Yongda Zhu, George H. Rieke, Christina C. Williams, Michael V. Maseda, Jianwei Lyu, Marcia Rieke, Sandro Tacchella

Zhiyuan Ji et al 2026 The Astrophysical Journal Letters 1008 .

  • Provider: AAS Journals

Caption: Figure 5.

Optical emission-line maps of LRD-204851 constructed using NIRCam imaging. From left to right: [O III], Hα+[N II], and Hβ. The top row shows the maps alone; the bottom row overlays the MUSE red (magenta) and blue (cyan) Lyα component contours and the tentative N V λ1238 contour (green dashed), with the NIRCam/F460M continuum centroid marked by the blue ×. All panels share a common color scale of line flux per pixel.

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