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1. CEERS Key Paper. II. A First Look at the Resolved Host Properties of AGN at 3 < z < 5 with JWST

Author

Dale D. Kocevski, Guillermo Barro, Elizabeth J. McGrath, Steven L. Finkelstein, Micaela B. Bagley, Henry C. Ferguson, Shardha Jogee, Guang Yang, Mark Dickinson, Nimish P. Hathi, Bren E. Backhaus, Eric F. Bell, Laura Bisigello, Véronique Buat, Denis Burgarella, Caitlin M. Casey, Nikko J. Cleri, M. C. Cooper, Luca Costantin, Darren Croton, Emanuele Daddi, Adriano Fontana, Seiji Fujimoto, Jonathan P. Gardner, Eric Gawiser, Mauro Giavalisco, Andrea Grazian, Norman A. Grogin, Yuchen Guo, Pablo Arrabal Haro, Michaela Hirschmann, Benne W. Holwerda, Marc Huertas-Company, Taylor A. Hutchison, Kartheik G. Iyer, Brenda Jones, Stéphanie Juneau, Jeyhan S. Kartaltepe, Lisa J. Kewley, Allison Kirkpatrick, Anton M. Koekemoer, Peter Kurczynski, Aurélien Le Bail, Arianna S. Long, Jennifer M. Lotz, Ray A. Lucas, Casey Papovich, Laura Pentericci, Pablo G. Pérez-González, Nor Pirzkal, Marc Rafelski, Swara Ravindranath, Rachel S. Somerville, Amber N. Straughn, Sandro Tacchella, Jonathan R. Trump, Stephen M. Wilkins, Stijn Wuyts, L. Y. Aaron Yung, Jorge A. Zavala, Kocevski, DD [0000-0002-8360-3880], Barro, G [0000-0002-0786-7307], McGrath, EJ [0000-0001-8688-2443], Finkelstein, SL [0000-0001-8519-1130], Bagley, MB [0000-0002-9921-9218], Ferguson, HC [0000-0001-7113-2738], Jogee, S [0000-0002-1590-0568], Yang, G [0000-0001-8835-7722], Dickinson, M [0000-0001-5414-5131], Hathi, NP [0000-0001-6145-5090], Backhaus, BE [0000-0001-8534-7502], Bell, EF [0000-0002-5564-9873], Bisigello, L [0000-0003-0492-4924], Buat, V [0000-0003-3441-903X], Burgarella, D [0000-0002-4193-2539], Casey, CM [0000-0002-0930-6466], Cleri, NJ [0000-0001-7151-009X], Cooper, MC [0000-0003-1371-6019], Costantin, L [0000-0001-6820-0015], Croton, D [0000-0002-5009-512X], Daddi, E [0000-0002-3331-9590], Fontana, A [0000-0003-3820-2823], Fujimoto, S [0000-0001-7201-5066], Gardner, JP [0000-0003-2098-9568], Gawiser, E [0000-0003-1530-8713], Giavalisco, M [0000-0002-7831-8751], Grazian, A [0000-0002-5688-0663], Grogin, NA [0000-0001-9440-8872], Guo, Y [0000-0002-4162-6523], Haro, PA [0000-0002-7959-8783], Hirschmann, M [0000-0002-3301-3321], Holwerda, BW [0000-0002-4884-6756], Huertas-Company, M [0000-0002-1416-8483], Hutchison, TA [0000-0001-6251-4988], Iyer, KG [0000-0001-9298-3523], Juneau, S [0000-0002-0000-2394], Kartaltepe, JS [0000-0001-9187-3605], Kewley, LJ [0000-0001-8152-3943], Kirkpatrick, A [0000-0002-1306-1545], Koekemoer, AM [0000-0002-6610-2048], Kurczynski, P [0000-0002-8816-5146], Bail, AL [0000-0002-9466-2763], Long, AS [0000-0002-7530-8857], Lotz, JM [0000-0003-3130-5643], Lucas, RA [0000-0003-1581-7825], Papovich, C [0000-0001-7503-8482], Pentericci, L [0000-0001-8940-6768], Pérez-González, PG [0000-0003-4528-5639], Pirzkal, N [0000-0003-3382-5941], Rafelski, M [0000-0002-9946-4731], Ravindranath, S [0000-0002-5269-6527], Somerville, RS [0000-0002-6748-6821], Straughn, AN [0000-0002-4772-7878], Tacchella, S [0000-0002-8224-4505], Trump, JR [0000-0002-1410-0470], Wilkins, SM [0000-0003-3903-6935], Wuyts, S [0000-0003-3735-1931], Aaron Yung, LY [0000-0003-3466-035X], Zavala, JA [0000-0002-7051-1100], Apollo - University of Cambridge Repository, Kocevski, Dale D [0000-0002-8360-3880], Barro, Guillermo [0000-0002-0786-7307], McGrath, Elizabeth J [0000-0001-8688-2443], Finkelstein, Steven L [0000-0001-8519-1130], Bagley, Micaela B [0000-0002-9921-9218], Ferguson, Henry C [0000-0001-7113-2738], Jogee, Shardha [0000-0002-1590-0568], Yang, Guang [0000-0001-8835-7722], Dickinson, Mark [0000-0001-5414-5131], Hathi, Nimish P [0000-0001-6145-5090], Backhaus, Bren E [0000-0001-8534-7502], Bell, Eric F [0000-0002-5564-9873], Bisigello, Laura [0000-0003-0492-4924], Buat, Véronique [0000-0003-3441-903X], Burgarella, Denis [0000-0002-4193-2539], Casey, Caitlin M [0000-0002-0930-6466], Cleri, Nikko J [0000-0001-7151-009X], Costantin, Luca [0000-0001-6820-0015], Croton, Darren [0000-0002-5009-512X], Daddi, Emanuele [0000-0002-3331-9590], Fontana, Adriano [0000-0003-3820-2823], Fujimoto, Seiji [0000-0001-7201-5066], Gardner, Jonathan P [0000-0003-2098-9568], Gawiser, Eric [0000-0003-1530-8713], Giavalisco, Mauro [0000-0002-7831-8751], Grazian, Andrea [0000-0002-5688-0663], Grogin, Norman A [0000-0001-9440-8872], Guo, Yuchen [0000-0002-4162-6523], Haro, Pablo Arrabal [0000-0002-7959-8783], Hirschmann, Michaela [0000-0002-3301-3321], Holwerda, Benne W [0000-0002-4884-6756], Huertas-Company, Marc [0000-0002-1416-8483], Hutchison, Taylor A [0000-0001-6251-4988], Iyer, Kartheik G [0000-0001-9298-3523], Juneau, Stéphanie [0000-0002-0000-2394], Kartaltepe, Jeyhan S [0000-0001-9187-3605], Kewley, Lisa J [0000-0001-8152-3943], Kirkpatrick, Allison [0000-0002-1306-1545], Koekemoer, Anton M [0000-0002-6610-2048], Kurczynski, Peter [0000-0002-8816-5146], Bail, Aurélien Le [0000-0002-9466-2763], Long, Arianna S [0000-0002-7530-8857], Lotz, Jennifer M [0000-0003-3130-5643], Lucas, Ray A [0000-0003-1581-7825], Papovich, Casey [0000-0001-7503-8482], Pentericci, Laura [0000-0001-8940-6768], Pérez-González, Pablo G [0000-0003-4528-5639], Pirzkal, Nor [0000-0003-3382-5941], Rafelski, Marc [0000-0002-9946-4731], Ravindranath, Swara [0000-0002-5269-6527], Somerville, Rachel S [0000-0002-6748-6821], Straughn, Amber N [0000-0002-4772-7878], Tacchella, Sandro [0000-0002-8224-4505], Trump, Jonathan R [0000-0002-1410-0470], Wilkins, Stephen M [0000-0003-3903-6935], Wuyts, Stijn [0000-0003-3735-1931], and Zavala, Jorge A [0000-0002-7051-1100]

Subjects
Space and Planetary Science, 5101 Astronomical Sciences, Astronomy and Astrophysics, 51 Physical Sciences, Galaxies and Cosmology
Abstract

We report on the host properties of five X-ray-luminous active galactic nuclei (AGN) identified at 3 < z < 5 in the first epoch of imaging from the Cosmic Evolution Early Release Science Survey. Each galaxy has been imaged with the JWST Near-Infrared Camera, which provides rest-frame optical morphologies at these redshifts. We also derive stellar masses and star formation rates for each host by fitting its spectral energy distribution using a combination of galaxy and AGN templates. We find that three of the AGN hosts have spheroidal morphologies, one is a bulge-dominated disk, and one is dominated by pointlike emission. None are found to show strong morphological disturbances that might indicate a recent interaction or merger event. When compared to a sample of mass-matched inactive galaxies, we find that the AGN hosts have morphologies that are less disturbed and more bulge-dominated. Notably, all four of the resolved hosts have rest-frame optical colors consistent with a quenched or poststarburst stellar population. The presence of AGN in passively evolving galaxies at z > 3 is significant because a rapid feedback mechanism is required in most semianalytic models and cosmological simulations to explain the growing population of massive quiescent galaxies observed at these redshifts. Our findings show that AGN can continue to inject energy into these systems after their star formation is curtailed, potentially heating their halos and preventing renewed star formation. Additional observations will be needed to determine what role this feedback may play in helping to quench these systems and/or maintain their quiescent state.

Published
2023
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2. The Physical Conditions of Emission-line Galaxies at Cosmic Dawn from JWST/NIRSpec Spectroscopy in the SMACS 0723 Early Release Observations

Author

Jonathan R. Trump, Pablo Arrabal Haro, Raymond C. Simons, Bren E. Backhaus, Ricardo O. Amorín, Mark Dickinson, Vital Fernández, Casey Papovich, David C. Nicholls, Lisa J. Kewley, Samantha W. Brunker, John J. Salzer, Stephen M. Wilkins, Omar Almaini, Micaela B. Bagley, Danielle A. Berg, Rachana Bhatawdekar, Laura Bisigello, Véronique Buat, Denis Burgarella, Antonello Calabrò, Caitlin M. Casey, Laure Ciesla, Nikko J. Cleri, Justin W. Cole, M. C. Cooper, Asantha R. Cooray, Luca Costantin, Darren Croton, Henry C. Ferguson, Steven L. Finkelstein, Seiji Fujimoto, Jonathan P. Gardner, Eric Gawiser, Mauro Giavalisco, Andrea Grazian, Norman A. Grogin, Nimish P. Hathi, Michaela Hirschmann, Benne W. Holwerda, Marc Huertas-Company, Taylor A. Hutchison, Shardha Jogee, Stéphanie Juneau, Intae Jung, Jeyhan S. Kartaltepe, Allison Kirkpatrick, Dale D. Kocevski, Anton M. Koekemoer, Jennifer M. Lotz, Ray A. Lucas, Benjamin Magnelli, Jasleen Matharu, Pablo G. Pérez-González, Nor Pirzkal, Marc Rafelski, Caitlin Rose, Lise-Marie Seillé, Rachel S. Somerville, Amber N. Straughn, Sandro Tacchella, Brittany N. Vanderhoof, Benjamin J. Weiner, Stijn Wuyts, L. Y. Aaron Yung, Jorge A. Zavala, Trump, Jonathan R [0000-0002-1410-0470], Haro, Pablo Arrabal [0000-0002-7959-8783], Simons, Raymond C [0000-0002-6386-7299], Backhaus, Bren E [0000-0001-8534-7502], Amorín, Ricardo O [0000-0001-5758-1000], Dickinson, Mark [0000-0001-5414-5131], Fernández, Vital [0000-0003-0531-5450], Papovich, Casey [0000-0001-7503-8482], Nicholls, David C [0000-0003-0892-5203], Kewley, Lisa J [0000-0001-8152-3943], Brunker, Samantha W [0000-0001-6776-2550], Salzer, John J [0000-0001-8483-603X], Wilkins, Stephen M [0000-0003-3903-6935], Almaini, Omar [0000-0001-9328-3991], Bagley, Micaela B [0000-0002-9921-9218], Berg, Danielle A [0000-0002-4153-053X], Bhatawdekar, Rachana [0000-0003-0883-2226], Bisigello, Laura [0000-0003-0492-4924], Buat, Véronique [0000-0003-3441-903X], Burgarella, Denis [0000-0002-4193-2539], Calabrò, Antonello [0000-0003-2536-1614], Casey, Caitlin M [0000-0002-0930-6466], Ciesla, Laure [0000-0003-0541-2891], Cleri, Nikko J [0000-0001-7151-009X], Cole, Justin W [0000-0002-6348-1900], Cooper, MC [0000-0003-1371-6019], Cooray, Asantha R [0000-0002-3892-0190], Costantin, Luca [0000-0001-6820-0015], Croton, Darren [0000-0002-5009-512X], Ferguson, Henry C [0000-0001-7113-2738], Finkelstein, Steven L [0000-0001-8519-1130], Fujimoto, Seiji [0000-0001-7201-5066], Gardner, Jonathan P [0000-0003-2098-9568], Gawiser, Eric [0000-0003-1530-8713], Giavalisco, Mauro [0000-0002-7831-8751], Grazian, Andrea [0000-0002-5688-0663], Grogin, Norman A [0000-0001-9440-8872], Hathi, Nimish P [0000-0001-6145-5090], Hirschmann, Michaela [0000-0002-3301-3321], Holwerda, Benne W [0000-0002-4884-6756], Huertas-Company, Marc [0000-0002-1416-8483], Hutchison, Taylor A [0000-0001-6251-4988], Jogee, Shardha [0000-0002-1590-0568], Juneau, Stéphanie [0000-0002-0000-2394], Jung, Intae [0000-0003-1187-4240], Kartaltepe, Jeyhan S [0000-0001-9187-3605], Kirkpatrick, Allison [0000-0002-1306-1545], Kocevski, Dale D [0000-0002-8360-3880], Koekemoer, Anton M [0000-0002-6610-2048], Lotz, Jennifer M [0000-0003-3130-5643], Lucas, Ray A [0000-0003-1581-7825], Magnelli, Benjamin [0000-0002-6777-6490], Matharu, Jasleen [0000-0002-7547-3385], Pérez-González, Pablo G [0000-0003-4528-5639], Pirzkal, Nor [0000-0003-3382-5941], Rafelski, Marc [0000-0002-9946-4731], Rose, Caitlin [0000-0002-8018-3219], Seillé, Lise-Marie [0000-0001-7755-4755], Somerville, Rachel S [0000-0002-6748-6821], Straughn, Amber N [0000-0002-4772-7878], Tacchella, Sandro [0000-0002-8224-4505], Vanderhoof, Brittany N [0000-0002-8163-0172], Weiner, Benjamin J [0000-0001-6065-7483], Wuyts, Stijn [0000-0003-3735-1931], Aaron Yung, LY [0000-0003-3466-035X], Zavala, Jorge A [0000-0002-7051-1100], Apollo - University of Cambridge Repository, Trump, JR [0000-0002-1410-0470], Haro, PA [0000-0002-7959-8783], Simons, RC [0000-0002-6386-7299], Backhaus, BE [0000-0001-8534-7502], Amorín, RO [0000-0001-5758-1000], Dickinson, M [0000-0001-5414-5131], Fernández, V [0000-0003-0531-5450], Papovich, C [0000-0001-7503-8482], Nicholls, DC [0000-0003-0892-5203], Kewley, LJ [0000-0001-8152-3943], Brunker, SW [0000-0001-6776-2550], Salzer, JJ [0000-0001-8483-603X], Wilkins, SM [0000-0003-3903-6935], Almaini, O [0000-0001-9328-3991], Bagley, MB [0000-0002-9921-9218], Berg, DA [0000-0002-4153-053X], Bhatawdekar, R [0000-0003-0883-2226], Bisigello, L [0000-0003-0492-4924], Buat, V [0000-0003-3441-903X], Burgarella, D [0000-0002-4193-2539], Calabrò, A [0000-0003-2536-1614], Casey, CM [0000-0002-0930-6466], Ciesla, L [0000-0003-0541-2891], Cleri, NJ [0000-0001-7151-009X], Cole, JW [0000-0002-6348-1900], Cooray, AR [0000-0002-3892-0190], Costantin, L [0000-0001-6820-0015], Croton, D [0000-0002-5009-512X], Ferguson, HC [0000-0001-7113-2738], Finkelstein, SL [0000-0001-8519-1130], Fujimoto, S [0000-0001-7201-5066], Gardner, JP [0000-0003-2098-9568], Gawiser, E [0000-0003-1530-8713], Giavalisco, M [0000-0002-7831-8751], Grazian, A [0000-0002-5688-0663], Grogin, NA [0000-0001-9440-8872], Hathi, NP [0000-0001-6145-5090], Hirschmann, M [0000-0002-3301-3321], Holwerda, BW [0000-0002-4884-6756], Huertas-Company, M [0000-0002-1416-8483], Hutchison, TA [0000-0001-6251-4988], Jogee, S [0000-0002-1590-0568], Juneau, S [0000-0002-0000-2394], Jung, I [0000-0003-1187-4240], Kartaltepe, JS [0000-0001-9187-3605], Kirkpatrick, A [0000-0002-1306-1545], Kocevski, DD [0000-0002-8360-3880], Koekemoer, AM [0000-0002-6610-2048], Lotz, JM [0000-0003-3130-5643], Lucas, RA [0000-0003-1581-7825], Magnelli, B [0000-0002-6777-6490], Matharu, J [0000-0002-7547-3385], Pérez-González, PG [0000-0003-4528-5639], Pirzkal, N [0000-0003-3382-5941], Rafelski, M [0000-0002-9946-4731], Rose, C [0000-0002-8018-3219], Seillé, LM [0000-0001-7755-4755], Somerville, RS [0000-0002-6748-6821], Straughn, AN [0000-0002-4772-7878], Tacchella, S [0000-0002-8224-4505], Vanderhoof, BN [0000-0002-8163-0172], Weiner, BJ [0000-0001-6065-7483], Wuyts, S [0000-0003-3735-1931], and Zavala, JA [0000-0002-7051-1100]

Subjects
similar-to 2, SIMILAR-TO 2, NEAR-INFRARED SPECTROSCOPY, COLLISION STRENGTHS, near-infrared spectroscopy, MASS-METALLICITY RELATION, FOS: Physical sciences, CHEMICAL-COMPOSITION, Galaxies and Cosmology, collision strengths, LY-ALPHA, atomic database, STAR-FORMING GALAXIES, MOSDEF SURVEY, mosdef survey, NEBULAR EMISSION, Astronomy and Astrophysics, mass-metallicity relation, star-forming galaxies, Astrophysics - Astrophysics of Galaxies, ATOMIC DATABASE, ly-alpha, nebular emission, Space and Planetary Science, 5101 Astronomical Sciences, Astrophysics of Galaxies (astro-ph.GA), chemical-composition, 51 Physical Sciences
Abstract

We present rest-frame optical emission-line flux ratio measurements for five $z>5$ galaxies observed by the JWST Near-Infared Spectrograph (NIRSpec) in the SMACS 0723 Early Release Observations. We add several quality-control and post-processing steps to the NIRSpec pipeline reduction products in order to ensure reliable relative flux calibration of emission lines that are closely separated in wavelength, despite the uncertain \textit{absolute} spectrophotometry of the current version of the reductions. Compared to $z\sim3$ galaxies in the literature, the $z>5$ galaxies have similar [OIII]$\lambda$5008/H$\beta$ ratios, similar [OIII]$\lambda$4364/H$\gamma$ ratios, and higher ($\sim$0.5 dex) [NeIII]$\lambda$3870/[OII]$\lambda$3728 ratios. We compare the observations to MAPPINGS V photoionization models and find that the measured [NeIII]$\lambda$3870/[OII]$\lambda$3728, [OIII]$\lambda$4364/H$\gamma$, and [OIII]$\lambda$5008/H$\beta$ emission-line ratios are consistent with an interstellar medium that has very high ionization ($\log(Q) \simeq 8-9$, units of cm~s$^{-1}$), low metallicity ($Z/Z_\odot \lesssim 0.2$), and very high pressure ($\log(P/k) \simeq 8-9$, units of cm$^{-3}$). The combination of [OIII]$\lambda$4364/H$\gamma$ and [OIII]$\lambda$(4960+5008)/H$\beta$ line ratios indicate very high electron temperatures of $4.1, Comment: Accepted for publication in AAS Journals. 14 pages, 6 figures, 3 tables

Published
2023
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3. CEERS Key Paper V: A triality on the nature of HST-dark galaxies

Author

Pablo G. Pérez-González, Guillermo Barro, Marianna Annunziatella, Luca Costantin, Ángela García-Argumánez, Elizabeth J. McGrath, Rosa M. Mérida, Jorge A. Zavala, Pablo Arrabal Haro, Micaela B. Bagley, Bren E. Backhaus, Peter Behroozi, Eric F. Bell, Laura Bisigello, Véronique Buat, Antonello Calabrò, Caitlin M. Casey, Nikko J. Cleri, Rosemary T. Coogan, M. C. Cooper, Asantha R. Cooray, Avishai Dekel, Mark Dickinson, David Elbaz, Henry C. Ferguson, Steven L. Finkelstein, Adriano Fontana, Maximilien Franco, Jonathan P. Gardner, Mauro Giavalisco, Carlos Gómez-Guijarro, Andrea Grazian, Norman A. Grogin, Yuchen Guo, Marc Huertas-Company, Shardha Jogee, Jeyhan S. Kartaltepe, Lisa J. Kewley, Allison Kirkpatrick, Dale D. Kocevski, Anton M. Koekemoer, Arianna S. Long, Jennifer M. Lotz, Ray A. Lucas, Casey Papovich, Nor Pirzkal, Swara Ravindranath, Rachel S. Somerville, Sandro Tacchella, Jonathan R. Trump, Weichen Wang, Stephen M. Wilkins, Stijn Wuyts, Guang Yang, L. Y. Aaron Yung, Pérez-González, PG [0000-0003-4528-5639], Barro, G [0000-0001-6813-875X], Annunziatella, M [0000-0002-8053-8040], Costantin, L [0000-0001-6820-0015], García-Argumánez, Á [0000-0002-8365-5525], McGrath, EJ [0000-0001-8688-2443], Mérida, RM [0000-0001-8115-5845], Zavala, JA [0000-0002-7051-1100], Haro, PA [0000-0002-7959-8783], Bagley, MB [0000-0002-9921-9218], Backhaus, BE [0000-0001-8534-7502], Behroozi, P [0000-0002-2517-6446], Bell, EF [0000-0002-5564-9873], Bisigello, L [0000-0003-0492-4924], Buat, V [0000-0003-3441-903X], Calabrò, A [0000-0003-2536-1614], Casey, CM [0000-0002-0930-6466], Cleri, NJ [0000-0001-7151-009X], Coogan, RT [0000-0002-4343-0479], Cooper, MC [0000-0003-1371-6019], Cooray, AR [0000-0002-3892-0190], Dekel, A [0000-0003-4174-0374], Dickinson, M [0000-0001-5414-5131], Elbaz, D [0000-0002-7631-647X], Ferguson, HC [0000-0001-7113-2738], Finkelstein, SL [0000-0001-8519-1130], Fontana, A [0000-0003-3820-2823], Franco, M [0000-0002-3560-8599], Gardner, JP [0000-0003-2098-9568], Giavalisco, M [0000-0002-7831-8751], Gómez-Guijarro, C [0000-0002-4085-9165], Grazian, A [0000-0002-5688-0663], Grogin, NA [0000-0001-9440-8872], Guo, Y [0000-0002-4162-6523], Huertas-Company, M [0000-0002-1416-8483], Jogee, S [0000-0002-1590-0568], Kartaltepe, JS [0000-0001-9187-3605], Kewley, LJ [0000-0001-8152-3943], Kirkpatrick, A [0000-0002-1306-1545], Kocevski, DD [0000-0002-8360-3880], Koekemoer, AM [0000-0002-6610-2048], Long, AS [0000-0002-7530-8857], Lotz, JM [0000-0003-3130-5643], Lucas, RA [0000-0003-1581-7825], Papovich, C [0000-0001-7503-8482], Pirzkal, N [0000-0003-3382-5941], Ravindranath, S [0000-0002-5269-6527], Somerville, RS [0000-0002-6748-6821], Tacchella, S [0000-0002-8224-4505], Trump, JR [0000-0002-1410-0470], Wang, W [0000-0002-9593-8274], Wilkins, SM [0000-0003-3903-6935], Wuyts, S [0000-0003-3735-1931], Yang, G [0000-0001-8835-7722], Aaron Yung, LY [0000-0003-3466-035X], and Apollo - University of Cambridge Repository

Subjects
Space and Planetary Science, Astrophysics of Galaxies (astro-ph.GA), FOS: Physical sciences, Astronomy and Astrophysics, 5109 Space Sciences, 51 Physical Sciences, Astrophysics - Astrophysics of Galaxies
Abstract

The new capabilities that JWST offers in the near- and mid-infrared (IR) are used to investigate in unprecedented detail the nature of optical/near-IR faint, mid-IR bright sources, HST-dark galaxies among them. We gather JWST data from the CEERS survey in the EGS, jointly with HST data, and analyze spatially resolved optical-to-mid-IR spectral energy distributions (SEDs) to estimate both photometric redshifts in 2 dimensions and stellar populations properties in a pixel-by-pixel basis. We select 138 galaxies with F150W-F356W>1.5 mag, F356W100 Gyr^-1); (2) 18% are quiescent/dormant (i.e., subject to reignition and rejuvenation) galaxies at 3, Comment: Published in CEERS ApJL Focus Issue, ApJL 946, L16

Published
2022
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