Evolution of the UV LF from z ∼15 to z ∼8 using new JWST NIRCam medium-band observations over the HUDF/XDF

We present the first constraints on the prevalence of z > 10 galaxies in the Hubble Ultra Deep Field (HUDF) leveraging new NIRCam observations from JEMS (JWST Extragalactic Medium-band Survey). These NIRCam observations probe redward of 1.6 μm, beyond the wavelength limit of HST, allowing us to s...

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Autores: Bouwens, Rychard, Stefanon, Mauro, Brammer, Gabriel, Oesch, Pascal A., Herard-Demanche, Thomas, Illingworth, Garth, Matthee, Jorryt, Naidu, Rohan P., Dokkum, Pieter van, Leeuwen, Ivana F. van
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/335265
Acceso en línea:http://hdl.handle.net/10261/335265
Access Level:acceso abierto
Palabra clave:Galaxies: evolution
Galaxies: high-redshift
Cosmology: dark ages
First stars
Reionization
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spelling Evolution of the UV LF from z ∼15 to z ∼8 using new JWST NIRCam medium-band observations over the HUDF/XDFBouwens, RychardStefanon, MauroBrammer, GabrielOesch, Pascal A.Herard-Demanche, ThomasIllingworth, GarthMatthee, JorrytNaidu, Rohan P.Dokkum, Pieter vanLeeuwen, Ivana F. vanGalaxies: evolutionGalaxies: high-redshiftCosmology: dark agesFirst starsReionizationWe present the first constraints on the prevalence of z > 10 galaxies in the Hubble Ultra Deep Field (HUDF) leveraging new NIRCam observations from JEMS (JWST Extragalactic Medium-band Survey). These NIRCam observations probe redward of 1.6 μm, beyond the wavelength limit of HST, allowing us to search for galaxies to z > 10. These observations indicate that the highest redshift candidate identified in the HUDF09 data with HST, UDFj-39546284, has a redshift of z > 11.5, as had been suggested in analyses of the HUDF12/XDF data. This has now been confirmed with JWST NIRSpec. This source is thus the most distant galaxy discovered by HST in its >30 yr of operation. Additionally, we identify nine other z ∼ 8–13 candidate galaxies over the HUDF, two of which are new discoveries that appear to lie at z ∼ 11–12. We use these results to characterize the evolution of the UV luminosity function (LF) from z ∼ 15 to z ∼ 8.7. While our LF results at z ∼ 8.7 and z ∼ 10.5 are consistent with previous findings over the HUDF, our new LF estimates at z ∼ 12.6 are higher than other results in the literature, potentially pointing to a milder evolution in the UV luminosity density from z ∼ 12.6. We emphasize that our LF results are uncertain given the small number of z ∼ 12.6 sources and limited volume probed. The new NIRCam data also indicate that the faint z ∼ 8–13 galaxies in the HUDF/XDF show blue UV-continuum slopes β ∼ −2.7, high specific star formation rates ∼24.5 Gyr−1, and high EW (∼1300 Å) [O III] + H β emission, with two z ∼ 8.5 sources showing [O III] + H β EWs of ∼2300 Å.RJB acknowledges support from NWO grants 600.065.140.11N211 (vrij competitie) and TOP grant TOP1.16.057. MS acknowledges support from the CIDEGENT/2021/059 grant, from project PID2019-109592GB-I00/AEI/10.13039/501100011033 from the Spanish Ministerio de Ciencia e Innovación – Agencia Estatal de Investigación, and from Proyecto ASFAE/2022/025 del Ministerio de Ciencia y Innovación en el marco del Plan de Recuperación, Transformación y Resiliencia del Gobierno de España RPN acknowledges funding from JWST programs GO-1933 and GO-2279. Support for this work was provided by NASA through the NASA Hubble Fellowship grant HST-HF2-51515.001-A awarded by the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Incorporated, under NASA contract NAS5-26555. PAO acknowledges support from: the Swiss National Science Foundation through project grant 200020 207349. The Cosmic Dawn Center (DAWN) is funded by the Danish National Research Foundation under grant No. 140.Peer reviewedOxford University PressDutch Research CouncilAgencia Estatal de Investigación (España)Ministerio de Ciencia, Innovación y Universidades (España)NASASwiss National Science FoundationDanish National Research FoundationConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202320232023info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10261/335265reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-109592GB-I00All data used here are available from the Barbara A Mikulski Archive for Space Telescopes MAST: https://mast.stsci.eduhttps://doi.org/10.1093/mnras/stad1145Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3352652026-05-22T06:33:51Z
dc.title.none.fl_str_mv Evolution of the UV LF from z ∼15 to z ∼8 using new JWST NIRCam medium-band observations over the HUDF/XDF
title Evolution of the UV LF from z ∼15 to z ∼8 using new JWST NIRCam medium-band observations over the HUDF/XDF
spellingShingle Evolution of the UV LF from z ∼15 to z ∼8 using new JWST NIRCam medium-band observations over the HUDF/XDF
Bouwens, Rychard
Galaxies: evolution
Galaxies: high-redshift
Cosmology: dark ages
First stars
Reionization
title_short Evolution of the UV LF from z ∼15 to z ∼8 using new JWST NIRCam medium-band observations over the HUDF/XDF
title_full Evolution of the UV LF from z ∼15 to z ∼8 using new JWST NIRCam medium-band observations over the HUDF/XDF
title_fullStr Evolution of the UV LF from z ∼15 to z ∼8 using new JWST NIRCam medium-band observations over the HUDF/XDF
title_full_unstemmed Evolution of the UV LF from z ∼15 to z ∼8 using new JWST NIRCam medium-band observations over the HUDF/XDF
title_sort Evolution of the UV LF from z ∼15 to z ∼8 using new JWST NIRCam medium-band observations over the HUDF/XDF
dc.creator.none.fl_str_mv Bouwens, Rychard
Stefanon, Mauro
Brammer, Gabriel
Oesch, Pascal A.
Herard-Demanche, Thomas
Illingworth, Garth
Matthee, Jorryt
Naidu, Rohan P.
Dokkum, Pieter van
Leeuwen, Ivana F. van
author Bouwens, Rychard
author_facet Bouwens, Rychard
Stefanon, Mauro
Brammer, Gabriel
Oesch, Pascal A.
Herard-Demanche, Thomas
Illingworth, Garth
Matthee, Jorryt
Naidu, Rohan P.
Dokkum, Pieter van
Leeuwen, Ivana F. van
author_role author
author2 Stefanon, Mauro
Brammer, Gabriel
Oesch, Pascal A.
Herard-Demanche, Thomas
Illingworth, Garth
Matthee, Jorryt
Naidu, Rohan P.
Dokkum, Pieter van
Leeuwen, Ivana F. van
author2_role author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Dutch Research Council
Agencia Estatal de Investigación (España)
Ministerio de Ciencia, Innovación y Universidades (España)
NASA
Swiss National Science Foundation
Danish National Research Foundation
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Galaxies: evolution
Galaxies: high-redshift
Cosmology: dark ages
First stars
Reionization
topic Galaxies: evolution
Galaxies: high-redshift
Cosmology: dark ages
First stars
Reionization
description We present the first constraints on the prevalence of z > 10 galaxies in the Hubble Ultra Deep Field (HUDF) leveraging new NIRCam observations from JEMS (JWST Extragalactic Medium-band Survey). These NIRCam observations probe redward of 1.6 μm, beyond the wavelength limit of HST, allowing us to search for galaxies to z > 10. These observations indicate that the highest redshift candidate identified in the HUDF09 data with HST, UDFj-39546284, has a redshift of z > 11.5, as had been suggested in analyses of the HUDF12/XDF data. This has now been confirmed with JWST NIRSpec. This source is thus the most distant galaxy discovered by HST in its >30 yr of operation. Additionally, we identify nine other z ∼ 8–13 candidate galaxies over the HUDF, two of which are new discoveries that appear to lie at z ∼ 11–12. We use these results to characterize the evolution of the UV luminosity function (LF) from z ∼ 15 to z ∼ 8.7. While our LF results at z ∼ 8.7 and z ∼ 10.5 are consistent with previous findings over the HUDF, our new LF estimates at z ∼ 12.6 are higher than other results in the literature, potentially pointing to a milder evolution in the UV luminosity density from z ∼ 12.6. We emphasize that our LF results are uncertain given the small number of z ∼ 12.6 sources and limited volume probed. The new NIRCam data also indicate that the faint z ∼ 8–13 galaxies in the HUDF/XDF show blue UV-continuum slopes β ∼ −2.7, high specific star formation rates ∼24.5 Gyr−1, and high EW (∼1300 Å) [O III] + H β emission, with two z ∼ 8.5 sources showing [O III] + H β EWs of ∼2300 Å.
publishDate 2023
dc.date.none.fl_str_mv 2023
2023
2023
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/335265
url http://hdl.handle.net/10261/335265
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-109592GB-I00
All data used here are available from the Barbara A Mikulski Archive for Space Telescopes MAST: https://mast.stsci.edu
https://doi.org/10.1093/mnras/stad1145
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Oxford University Press
publisher.none.fl_str_mv Oxford University Press
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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