An improved Compton parameter map of thermal Sunyaev–Zeldovich effect from Planck PR4 data

Taking advantage of the reduced levels of noise and systematics in the data of the latest Planck release (PR4, also known as NPIPE), we construct a new all-sky Compton-y parameter map (hereafter, y-map) of the thermal Sunyaev?Zeldovich (SZ) effect from the Planck PR4 data. A tailored Needlet Interna...

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Detalles Bibliográficos
Autores: Chandran, Jyothis|||0000-0002-5805-3901, Remazeilles, Mathieu|||0000-0001-9126-6266, Barreiro Vilas, Rita Belén|||0000-0002-6139-4272
Tipo de recurso: artículo
Fecha de publicación:2023
País:España
Institución:Universidad de Cantabria (UC)
Repositorio:UCrea Repositorio Abierto de la Universidad de Cantabria
Idioma:inglés
OAI Identifier:oai:repositorio.unican.es:10902/31211
Acceso en línea:https://hdl.handle.net/10902/31211
Access Level:acceso abierto
Palabra clave:Methods
Data analysis
Galaxies
Clusters
Intracluster medium
Cosmic background radiation
Large-scale structure of Universe
Cosmology
Observations
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spelling An improved Compton parameter map of thermal Sunyaev–Zeldovich effect from Planck PR4 dataChandran, Jyothis|||0000-0002-5805-3901Remazeilles, Mathieu|||0000-0001-9126-6266Barreiro Vilas, Rita Belén|||0000-0002-6139-4272MethodsData analysisGalaxiesClustersIntracluster mediumCosmic background radiationLarge-scale structure of UniverseCosmologyObservationsTaking advantage of the reduced levels of noise and systematics in the data of the latest Planck release (PR4, also known as NPIPE), we construct a new all-sky Compton-y parameter map (hereafter, y-map) of the thermal Sunyaev?Zeldovich (SZ) effect from the Planck PR4 data. A tailored Needlet Internal Linear Combination (NILC) pipeline, first validated on detailed sky simulations, is applied to the nine single-frequency Planck PR4 sky maps, ranging from 30 to 857?GHz, to produce the PR4 y-map over 98 per?cent of the sky. Using map comparisons, angular power spectra, and one-point statistics, we show that the PR4 NILC y-map is of improved quality compared to that of the previous PR2 release. The new y-map shows reduced levels of large-scale striations associated with 1/f noise in the scan direction. Regions near the Galactic plane also show lower residual contamination by Galactic thermal dust emission. At small angular scales, the residual contamination by thermal noise and cosmic infrared background (CIB) emission is found to be reduced by around 7 and 34 per?cent, respectively, in the PR4 y-map. The PR4 NILC y-map is made publicly available for astrophysical and cosmological analyses of the thermal SZ effect.We thank Marcos Lopez-Caniego for providing point-source masks for PR4 data. We also thank Reijo Keskitalo and Hans Kristian Eriksen for valuable advice and comments on the PR4 (NPIPE) data release. The authors would like to thank the Spanish Agencia Estatal de Investigacion (AEI, MICIU) for the financial support provided under the project PID2019-110610RB-C21. JC also acknowledges financial support from the Concepcion Arenal Programme of the Universidad de Cantabria. MR also acknowledges financial support from the CSIC programme ‘Ayuda a la Incorporacion´ de Científicos Titulares’ provided under the project 202250I159. Some of the presented results are based on observations obtained with Planck6 an ESA science mission with instruments and contributions directly funded by ESA Member States, NASA, and Canada. This work made use of Python packages like pymaster (Alonso et al. 2019), astropy (Astropy Collaboration 2022), scipy (Virtanen et al. 2020), and matplotlib (Hunter 2007). Some of the results in this paper have been derived using the healpy (Zonca et al. 2019) and HEALPIX (Gorski et al. 2005) packages. We acknowledge the use of the PSM, developed by the Component Separation Working Group (WG2) of the Planck Collaboration.Oxford University PressUniversidad de Cantabria20232023-01-01journal articlehttp://purl.org/coar/resource_type/c_6501NAhttp://purl.org/coar/version/c_be7fb7dd8ff6fe43info:eu-repo/semantics/articlehttps://hdl.handle.net/10902/31211Monthly Notices of the Royal Astronomical Society, 2023, 526(4), 5682-5698reponame: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:10902/312112026-06-02T12:39:31Z
dc.title.none.fl_str_mv An improved Compton parameter map of thermal Sunyaev–Zeldovich effect from Planck PR4 data
title An improved Compton parameter map of thermal Sunyaev–Zeldovich effect from Planck PR4 data
spellingShingle An improved Compton parameter map of thermal Sunyaev–Zeldovich effect from Planck PR4 data
Chandran, Jyothis|||0000-0002-5805-3901
Methods
Data analysis
Galaxies
Clusters
Intracluster medium
Cosmic background radiation
Large-scale structure of Universe
Cosmology
Observations
title_short An improved Compton parameter map of thermal Sunyaev–Zeldovich effect from Planck PR4 data
title_full An improved Compton parameter map of thermal Sunyaev–Zeldovich effect from Planck PR4 data
title_fullStr An improved Compton parameter map of thermal Sunyaev–Zeldovich effect from Planck PR4 data
title_full_unstemmed An improved Compton parameter map of thermal Sunyaev–Zeldovich effect from Planck PR4 data
title_sort An improved Compton parameter map of thermal Sunyaev–Zeldovich effect from Planck PR4 data
dc.creator.none.fl_str_mv Chandran, Jyothis|||0000-0002-5805-3901
Remazeilles, Mathieu|||0000-0001-9126-6266
Barreiro Vilas, Rita Belén|||0000-0002-6139-4272
author Chandran, Jyothis|||0000-0002-5805-3901
author_facet Chandran, Jyothis|||0000-0002-5805-3901
Remazeilles, Mathieu|||0000-0001-9126-6266
Barreiro Vilas, Rita Belén|||0000-0002-6139-4272
author_role author
author2 Remazeilles, Mathieu|||0000-0001-9126-6266
Barreiro Vilas, Rita Belén|||0000-0002-6139-4272
author2_role author
author
dc.contributor.none.fl_str_mv Universidad de Cantabria
dc.subject.none.fl_str_mv Methods
Data analysis
Galaxies
Clusters
Intracluster medium
Cosmic background radiation
Large-scale structure of Universe
Cosmology
Observations
topic Methods
Data analysis
Galaxies
Clusters
Intracluster medium
Cosmic background radiation
Large-scale structure of Universe
Cosmology
Observations
description Taking advantage of the reduced levels of noise and systematics in the data of the latest Planck release (PR4, also known as NPIPE), we construct a new all-sky Compton-y parameter map (hereafter, y-map) of the thermal Sunyaev?Zeldovich (SZ) effect from the Planck PR4 data. A tailored Needlet Internal Linear Combination (NILC) pipeline, first validated on detailed sky simulations, is applied to the nine single-frequency Planck PR4 sky maps, ranging from 30 to 857?GHz, to produce the PR4 y-map over 98 per?cent of the sky. Using map comparisons, angular power spectra, and one-point statistics, we show that the PR4 NILC y-map is of improved quality compared to that of the previous PR2 release. The new y-map shows reduced levels of large-scale striations associated with 1/f noise in the scan direction. Regions near the Galactic plane also show lower residual contamination by Galactic thermal dust emission. At small angular scales, the residual contamination by thermal noise and cosmic infrared background (CIB) emission is found to be reduced by around 7 and 34 per?cent, respectively, in the PR4 y-map. The PR4 NILC y-map is made publicly available for astrophysical and cosmological analyses of the thermal SZ effect.
publishDate 2023
dc.date.none.fl_str_mv 2023
2023-01-01
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/10902/31211
url https://hdl.handle.net/10902/31211
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 Oxford University Press
publisher.none.fl_str_mv Oxford University Press
dc.source.none.fl_str_mv Monthly Notices of the Royal Astronomical Society, 2023, 526(4), 5682-5698
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
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score 15,301603

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