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CAPERS-LRD-z9: A Gas-enshrouded Little Red Dot Hosting a Broad-line Active Galactic Nucleus at z = 9.288

  • Authors: Anthony J. Taylor, Vasily Kokorev, Dale D. Kocevski, Hollis B. Akins, Fergus Cullen, Mark Dickinson, Steven L. Finkelstein, Pablo Arrabal Haro, Volker Bromm, Mauro Giavalisco, Kohei Inayoshi, Stéphanie Juneau, Gene C. K. Leung, Pablo G. Pérez-González, Rachel S. Somerville, Jonathan R. Trump, Ricardo O. Amorín, Guillermo Barro, Denis Burgarella, Madisyn Brooks, Adam C. Carnall, Caitlin M. Casey, Yingjie Cheng, John Chisholm, Katherine Chworowsky, Kelcey Davis, Callum T. Donnan, James S. Dunlop, Richard S. Ellis, Vital Fernández, Seiji Fujimoto, Norman A. Grogin, Ansh R. Gupta, Nimish P. Hathi, Intae Jung, Michaela Hirschmann, Jeyhan S. Kartaltepe, Anton M. Koekemoer, Rebecca L. Larson, Ho-Hin Leung, Mario Llerena, Ray A. Lucas, Derek J. McLeod, Ross McLure, Lorenzo Napolitano, Casey Papovich, Thomas M. Stanton, Roberta Tripodi, Xin Wang, Stephen M. Wilkins, L. Y. Aaron Yung, Jorge A. Zavala

Anthony J. Taylor et al 2025 The Astrophysical Journal Letters 989 .

  • Provider: AAS Journals

Caption: Figure 8.

Spectrum and 1σ errors of CAPERS-LRD-z9 (gray curve, light gray shading), the best-fit host galaxy component (solid and dashed blue curves), the best-fit dense-gas-enshrouded AGN component (solid and dashed red curves), combined host+AGN fit (solid and dashed black curves), fiducial SMC dust law fit (solid and dashed purple curves), photometry data (dark blue squares and upper limits), best-fit model photometry (black points) in the upper panel, and masked regions (gold shading). The lower panel shows the χ residuals of the fit for the spectrum (gray curve) and photometry (dark blue squares). Note that the flexible (yet unphysically steep) AGN dust law allows for strong agreement with the MIRI F1000W flux that cannot be reproduced by an SMC law.

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