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Uncovering a Massive z ∼ 7.7 Galaxy Hosting a Heavily Obscured Radio-loud Active Galactic Nucleus Candidate in COSMOS-Web

  • Authors: Erini Lambrides, Marco Chiaberge, Arianna S. Long, Daizhong Liu, Hollis B. Akins, Andrew F. Ptak, Irham Taufik Andika, Alessandro Capetti, Caitlin M. Casey, Jaclyn B. Champagne, Katherine Chworowsky, Tracy E. Clarke, Olivia R. Cooper, Xuheng Ding, Dillon Z. Dong, Andreas L. Faisst, Jordan Y. Forman, Maximilien Franco, Steven Gillman, Ghassem Gozaliasl, Kirsten R. Hall, Santosh Harish, Christopher C. Hayward, Michaela Hirschmann, Taylor A. Hutchison, Knud Jahnke, Shuowen Jin, Jeyhan S. Kartaltepe, Emma T. Kleiner, Anton M. Koekemoer, Vasily Kokorev, Sinclaire M. Manning, Crystal L. Martin, Jed McKinney, Colin Norman, Kristina Nyland, Masafusa Onoue, Brant E. Robertson, Marko Shuntov, John D. Silverman, Massimo Stiavelli, Benny Trakhtenbrot, Eleni Vardoulaki, Jorge A. Zavala, Natalie Allen, Olivier Ilbert, Henry Joy McCracken, Louise Paquereau, Jason Rhodes, Sune Toft

Erini Lambrides et al 2024 The Astrophysical Journal Letters 961 .

  • Provider: AAS Journals

Caption: Figure 3.

Results from fitting the optical, NIR, and MIR with EAzYpy. Non-detections with 27 mag upper limits: HSC g, HSC r, HSC i, HSC z, HST F814W, HSC y. > 3σ detections: JWST F115W, JWST F150W, HST F160W, JWST F277W, IRAC Channel 1, JWST F444W, IRAC Channel 2, IRAC Channel 3, JWST MIRI 7.7 μm. The redshift is constrained to ﹩{\text{}}z={7.7}_{-0.3}^{+0.4}﹩ fit with combinations of simple stellar population templates from Bruzual & Charlot (2003). Inset: we show the p(z) via EAzY and BAGPIPES

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