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A Census from JWST of Extreme Emission-line Galaxies Spanning the Epoch of Reionization in CEERS

Authors: Kelcey Davis, Jonathan R. Trump, Raymond C. Simons, Elizabeth J. McGrath, Stephen M. Wilkins, Pablo Arrabal Haro, Micaela B. Bagley, Mark Dickinson, Vital Fernández, Ricardo O. Amorín, Bren E. Backhaus, Nikko J. Cleri, Mario Llerena, Samantha W. Brunker, Guillermo Barro, Laura Bisigello, Madisyn Brooks, Luca Costantin, Alexander de la Vega, Avishai Dekel, Steven L. Finkelstein, Nimish P. Hathi, Michaela Hirschmann, Jeyhan S. Kartaltepe, Anton M. Koekemoer, Ray A. Lucas, Casey Papovich, Pablo G. Pérez-González, Nor Pirzkal, Giulia Rodighiero, Caitlin Rose, L. Y. Aaron Yung

Kelcey Davis et al 2024 The Astrophysical Journal 974 .

Provider: AAS Journals

Caption: Figure 4.

Top: comparison between spectroscopic and photometric redshifts for spectroscopically confirmed EELGs. In all cases the spectroscopy confirms our EELG selection, although 4/34 sources have an incorrect z _phot that disagrees with the spectroscopic redshift. Error bars represent 68% confidence ranges. Bottom: comparison of the spectroscopic and photometrically inferred emission-line flux for Hα and the sum of Hβ + [O III], for the 34 EELGs with NIRSpec spectra. Most line fluxes agree within a factor of 3, indicating the reliability of our photometric EELG selection and EW measurements. A small number (7) of the spectroscopic line measurements are underestimated by a factor of >3 compared to the photometry, likely due to aperture losses affecting the spectra.

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