Magnification Bias of distant galaxies in the Hubble frontier fields: testing wave versus particle dark matter predictions

Acting as powerful gravitational lenses, the strong lensing galaxy clusters of the deep Hubble Frontier Fields (HFF) program permit access to lower-luminosity galaxies lying at higher redshifts than hitherto possible. We analyzed the HFF to measure the volume density of Lyman-break galaxies at z >...

Descripción completa

Detalles Bibliográficos
Autores: Leung, Enoch, Broadhurst, Tom, Lim, Jeremy, Diego Rodríguez, José María|||0000-0001-9065-3926, Chiueh, Tzihong, Schive, Hsi-Yu, Windhorst, Rogier
Tipo de recurso: artículo
Fecha de publicación:2018
País:España
Institución:Universidad de Cantabria (UC)
Repositorio:UCrea Repositorio Abierto de la Universidad de Cantabria
Idioma:inglés
OAI Identifier:oai:repositorio.unican.es:10902/31372
Acceso en línea:https://hdl.handle.net/10902/31372
Access Level:acceso abierto
Palabra clave:Cosmology: observations
Dark matter
Galaxies: abundances
Galaxies: evolution
Galaxies: highredshift
Gravitational lensing: strong
id ES_e19aa2caf5802bc0737aa8aba00a389c
oai_identifier_str oai:repositorio.unican.es:10902/31372
network_acronym_str ES
network_name_str España
repository_id_str
spelling Magnification Bias of distant galaxies in the Hubble frontier fields: testing wave versus particle dark matter predictionsLeung, EnochBroadhurst, TomLim, JeremyDiego Rodríguez, José María|||0000-0001-9065-3926Chiueh, TzihongSchive, Hsi-YuWindhorst, RogierCosmology: observationsDark matterGalaxies: abundancesGalaxies: evolutionGalaxies: highredshiftGravitational lensing: strongActing as powerful gravitational lenses, the strong lensing galaxy clusters of the deep Hubble Frontier Fields (HFF) program permit access to lower-luminosity galaxies lying at higher redshifts than hitherto possible. We analyzed the HFF to measure the volume density of Lyman-break galaxies at z > 4.75 by identifying a complete and reliable sample up to z ; 10. A marked deficit of such galaxies was uncovered in the highly magnified regions of the clusters relative to their outskirts, implying that the magnification of the sky area dominates over additional faint galaxies magnified above the flux limit. This negative magnification bias is consistent with a slow rollover at the faint end of the UV luminosity function and it indicates a preference for Bose?Einstein condensate dark matter with a light boson mass of m - B 10 eV 22 over standard cold dark matter. We emphasize that measuring the magnification bias requires no correction for multiply-lensed images (with typically three or more images per source), whereas directly reconstructing the luminosity function will lead to an overestimate unless such images can be exhaustively matched up, especially at the faint end that is only accessible in the strongly lensed regions. In addition, we detected a distinctive downward transition in galaxy number density at z ? 8, which may be linked to the relatively late reionization reported by Planck. Our results suggests that JWST will likely peer into an ?abyss? with essentially no galaxies detected in deep NIR imaging at z > 10.We would like to thank Dan Coe for providing most of the HFF photometric catalogs that we used in our work. T.B. thanks the Visiting Research Professors Scheme at the University of Hong Kong for generous support. J.L. acknowledges a seed fund for basic research from the University of Hong Kong to initiate this work, and support from the Research Grants Council of Hong Kong through grant 17319316 for the conduct and completion of this work. J.M.D. acknowledges the support of project AYA2015-64508-P (MINECO/FEDER, UE). Part of this work (the A370 catalogs) is based on data and catalog products from HFF-DeepSpace, funded by the National Science Foundation and Space Telescope Science Institute (operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS5- 26555). This research made use of SAOImage DS9, an astronomical imaging and data visualization application (Smithsonian Astrophysical Observatory 2000), and Astropy, a community-developed core Python package for Astronomy (Astropy Collaboration et al. 2013). Other heavily dependent Python packages involved in this project for scientific computing and data visualization purposes include NumPy (van der Walt et al. 2011), SciPy (Jones et al. 2001), and Matplotlib (Hunter 2007).Institute of Physics PublishingUniversidad de Cantabria20182018-01-01journal articlehttp://purl.org/coar/resource_type/c_6501NAhttp://purl.org/coar/version/c_be7fb7dd8ff6fe43info:eu-repo/semantics/articlehttps://hdl.handle.net/10902/31372Astrophysical Journal, 2018, 862(2), 156reponame:UCrea Repositorio Abierto de la Universidad de Cantabriainstname:Universidad de Cantabria (UC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:repositorio.unican.es:10902/313722026-06-02T12:39:31Z
dc.title.none.fl_str_mv Magnification Bias of distant galaxies in the Hubble frontier fields: testing wave versus particle dark matter predictions
title Magnification Bias of distant galaxies in the Hubble frontier fields: testing wave versus particle dark matter predictions
spellingShingle Magnification Bias of distant galaxies in the Hubble frontier fields: testing wave versus particle dark matter predictions
Leung, Enoch
Cosmology: observations
Dark matter
Galaxies: abundances
Galaxies: evolution
Galaxies: highredshift
Gravitational lensing: strong
title_short Magnification Bias of distant galaxies in the Hubble frontier fields: testing wave versus particle dark matter predictions
title_full Magnification Bias of distant galaxies in the Hubble frontier fields: testing wave versus particle dark matter predictions
title_fullStr Magnification Bias of distant galaxies in the Hubble frontier fields: testing wave versus particle dark matter predictions
title_full_unstemmed Magnification Bias of distant galaxies in the Hubble frontier fields: testing wave versus particle dark matter predictions
title_sort Magnification Bias of distant galaxies in the Hubble frontier fields: testing wave versus particle dark matter predictions
dc.creator.none.fl_str_mv Leung, Enoch
Broadhurst, Tom
Lim, Jeremy
Diego Rodríguez, José María|||0000-0001-9065-3926
Chiueh, Tzihong
Schive, Hsi-Yu
Windhorst, Rogier
author Leung, Enoch
author_facet Leung, Enoch
Broadhurst, Tom
Lim, Jeremy
Diego Rodríguez, José María|||0000-0001-9065-3926
Chiueh, Tzihong
Schive, Hsi-Yu
Windhorst, Rogier
author_role author
author2 Broadhurst, Tom
Lim, Jeremy
Diego Rodríguez, José María|||0000-0001-9065-3926
Chiueh, Tzihong
Schive, Hsi-Yu
Windhorst, Rogier
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv Universidad de Cantabria
dc.subject.none.fl_str_mv Cosmology: observations
Dark matter
Galaxies: abundances
Galaxies: evolution
Galaxies: highredshift
Gravitational lensing: strong
topic Cosmology: observations
Dark matter
Galaxies: abundances
Galaxies: evolution
Galaxies: highredshift
Gravitational lensing: strong
description Acting as powerful gravitational lenses, the strong lensing galaxy clusters of the deep Hubble Frontier Fields (HFF) program permit access to lower-luminosity galaxies lying at higher redshifts than hitherto possible. We analyzed the HFF to measure the volume density of Lyman-break galaxies at z > 4.75 by identifying a complete and reliable sample up to z ; 10. A marked deficit of such galaxies was uncovered in the highly magnified regions of the clusters relative to their outskirts, implying that the magnification of the sky area dominates over additional faint galaxies magnified above the flux limit. This negative magnification bias is consistent with a slow rollover at the faint end of the UV luminosity function and it indicates a preference for Bose?Einstein condensate dark matter with a light boson mass of m - B 10 eV 22 over standard cold dark matter. We emphasize that measuring the magnification bias requires no correction for multiply-lensed images (with typically three or more images per source), whereas directly reconstructing the luminosity function will lead to an overestimate unless such images can be exhaustively matched up, especially at the faint end that is only accessible in the strongly lensed regions. In addition, we detected a distinctive downward transition in galaxy number density at z ? 8, which may be linked to the relatively late reionization reported by Planck. Our results suggests that JWST will likely peer into an ?abyss? with essentially no galaxies detected in deep NIR imaging at z > 10.
publishDate 2018
dc.date.none.fl_str_mv 2018
2018-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
NA
http://purl.org/coar/version/c_be7fb7dd8ff6fe43
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/10902/31372
url https://hdl.handle.net/10902/31372
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Institute of Physics Publishing
publisher.none.fl_str_mv Institute of Physics Publishing
dc.source.none.fl_str_mv Astrophysical Journal, 2018, 862(2), 156
reponame:UCrea Repositorio Abierto de la Universidad de Cantabria
instname:Universidad de Cantabria (UC)
instname_str Universidad de Cantabria (UC)
reponame_str UCrea Repositorio Abierto de la Universidad de Cantabria
collection UCrea Repositorio Abierto de la Universidad de Cantabria
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869422308073930752
score 15,300724

Similares en LA Referencia