Self-consistent JWST Census of Star Formation and AGN Activity at z = 5.5–13.5

Self-consistent JWST Census of Star Formation and AGN Activity at z = 5.5–13.5

The cosmic star formation history (CSFH) and cosmic active galactic nuclei (AGN) luminosity history (CAGNH) are self consistently measured at z  = 5.5–13.5. This is achieved by analyzing galaxies detected by the James Webb Space Telescope from $\approx 400\,{{\rm{arcmin}}}^{2}$ fields from the Prime...

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Main Authors: Jordan C. J. D’Silva, Simon P. Driver, Claudia D. P. Lagos, Aaron S. G. Robotham, Nathan J. Adams, Christopher J. Conselice, Brenda Frye, Nimish P. Hathi, Thomas Harvey, Anton M. Koekemoer, Rafael Ortiz III, Massimo Ricotti, Clayton Robertson, Michael J. Rutkowski, Ross M. Silver, Stephen M. Wilkins, Christopher N. A. Willmer, Rogier A. Windhorst, Seth H. Cohen, Rolf A. Jansen, Jake Summers, Dan Coe, Norman A. Grogin, Madeline A. Marshall, Mario Nonino, Nor Pirzkal, Russell E. Ryan Jr., Haojing Yan
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Active galactic nuclei
Star formation
James Webb Space Telescope
Galaxy formation
Galaxy evolution
Online Access:https://doi.org/10.3847/1538-4357/adf19e
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Summary:The cosmic star formation history (CSFH) and cosmic active galactic nuclei (AGN) luminosity history (CAGNH) are self consistently measured at z  = 5.5–13.5. This is achieved by analyzing galaxies detected by the James Webb Space Telescope from $\approx 400\,{{\rm{arcmin}}}^{2}$ fields from the Prime Extragalactic Areas of Reionization and Lensing Science, Cosmic Evolution Early Release Science, Next Generation Deep Extragalactic Exploratory Public, JWST Advanced Deep Extragalactic Survey, and Public Release IMaging for Extragalactic Research surveys. In particular, the combination of spectral energy distribution fitting codes, EAZY and ProSpect , is employed to estimate the photometric redshifts and astrophysical quantities of 3751 distant galaxies, from which we compute the stellar mass, star formation rate, and AGN luminosity distribution functions in four redshift bins. Integrating the distribution functions, we find that the CSFH rises by ≈1 dex over z  = 13.5–5.5, and the CAGNH rises by ≈1 dex over z  = 10.5–5.5. We connect our results of the CSFH and CAGNH at z  = 13.5–5.5 to that from z  = 5–0 to determine the summary of ≳13 Gyr of star formation and AGN activity, from the very onset of galaxy formation to the present day.
ISSN:1538-4357

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