The Dual Nature of GHZ9: Coexisting Active Galactic Nuclei and Star Formation Activity in a Remote X-Ray Source at z = 10.145

The Dual Nature of GHZ9: Coexisting Active Galactic Nuclei and Star Formation Activity in a Remote X-Ray Source at z = 10.145

We present James Webb Space Telescope (JWST)/NIRSpec PRISM spectroscopic characterization of GHZ9 at z = 10.145 ± 0.010, currently the most distant source detected by the Chandra X-ray Observatory. The spectrum reveals several UV high-ionization lines, including C II , Si IV , N IV ], C IV , He II ,...

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Main Authors: Lorenzo Napolitano, Marco Castellano, Laura Pentericci, Cristian Vignali, Roberto Gilli, Adriano Fontana, Paola Santini, Tommaso Treu, Antonello Calabrò, Mario Llerena, Enrico Piconcelli, Luca Zappacosta, Sara Mascia, Roberta Tripodi, Pablo Arrabal Haro, Pietro Bergamini, Tom J. L. C. Bakx, Mark Dickinson, Karl Glazebrook, Alaina Henry, Nicha Leethochawalit, Giovanni Mazzolari, Emiliano Merlin, Takahiro Morishita, Themiya Nanayakkara, Diego Paris, Simonetta Puccetti, Guido Roberts-Borsani, Sofia Rojas Ruiz, Piero Rosati, Eros Vanzella, Fabio Vito, Benedetta Vulcani, Xin Wang, Ilsang Yoon, Jorge A. Zavala
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
High-redshift galaxies
Primordial galaxies
Active galactic nuclei
X-ray active galactic nuclei
Online Access:https://doi.org/10.3847/1538-4357/ade706
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