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The Small Sizes and High Implied Densities of “Little Red Dots” with Balmer Breaks Could Explain Their Broad Emission Lines without an Active Galactic Nucleus

  • Authors: Josephine F. W. Baggen, Pieter van Dokkum, Gabriel Brammer, Anna de Graaff, Marijn Franx, Jenny Greene, Ivo Labbé, Joel Leja, Michael V. Maseda, Erica J. Nelson, Hans-Walter Rix, Bingjie Wang, 冰洁 王, Andrea Weibel

Josephine F. W. Baggen et al 2024 The Astrophysical Journal Letters 977 .

  • Provider: AAS Journals

Caption: Figure 2.

The top row shows images in the NIRCam F200W band of the three Balmer break galaxies. The second row shows the segmentation maps; the third row shows the best-fitting PSF-convolved GALFIT models. The residuals, obtained by subtracting the best-fitting models from the images, are shown in the fourth row. The fifth row shows RGB images of the galaxies, with F115W as the blue band, F150W as the green band, and F200W as the red band and the final row with F115W, F277W, and F444W. All images are 1″ × 1″.

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