| dc.contributor.author | Argüeso, F. | |
| dc.contributor.author | Salerno, E. | |
| dc.contributor.author | Herranz Muñoz, Diego | |
| dc.contributor.author | Sanz Estévez, José Luis | |
| dc.contributor.author | Kuruoglu, E. E. | |
| dc.contributor.author | Kayabol, K. | |
| dc.contributor.other | Universidad de Cantabria | es_ES |
| dc.date.accessioned | 2023-04-03T12:47:14Z | |
| dc.date.available | 2023-04-03T12:47:14Z | |
| dc.date.issued | 2011-06 | |
| dc.identifier.issn | 0035-8711 | |
| dc.identifier.issn | 1365-2966 | |
| dc.identifier.other | AYA2007-68058-C03-02 | |
| dc.identifier.other | AYA2007-68058-C03-02 | |
| dc.identifier.other | | |
| dc.identifier.uri | https://hdl.handle.net/10902/28440 | |
| dc.description.abstract | The detection and flux estimation of point sources in cosmic microwave background (CMB) maps is a very important task in order to clean the maps and also to obtain relevant astrophysical information. In this paper we propose a maximum a posteriori (MAP) approach detection method in a Bayesian scheme which incorporates prior information about the source flux distribution, the locations and the number of sources. We apply this method to CMB simulations with the characteristics of the Planck satellite channels at 30, 44, 70 and 100 GHz. With a similar level of spurious sources, our method yields more complete catalogues than the matched
filter with a 5? threshold. Besides, the new technique allows us to fix the number of detected sources in a non-arbitrary way. | es_ES |
| dc.description.sponsorship | The authors acknowledge partial financial support from the Spanish Ministerio de Ciencia e Innovacion project AYA2007-68058-C03-02 and from the joint CNR-CSIC research project 2008-IT-0059. KK was supported by the Italian Space Agency, ASI, under the programme on Cosmology and Fundamental Physics, and by the TRIL programme at the Abdus Salam International Centre of Theoretical Physics, through a specific collaboration agreement with ISTI-CNR. ES and EEK acknowledge support from ASI through ASI/INAF Agreement I/072/09/0 for the Planck LFI Activity of Phase E2. We also thank J. Gonzalez-Nuevo for useful comments and help. We also wish to thank the referee for his comments that have helped us to significantly improve the quality of this work. | es_ES |
| dc.description.sponsorship | The authors acknowledge partial financial support from the Spanish Ministerio de Ciencia e Innovación project AYA2007-68058-C03-02 and from the joint CNR-CSIC research project 2008-IT-0059. KK was supported by the Italian Space Agency, ASI, under the programme on Cosmology and Fundamental Physics, and by the TRIL programme at the Abdus Salam International Centre of Theoretical Physics, through a specific collaboration agreement with ISTI-CNR. ES and EEK acknowledge support from ASI through ASI/INAF Agreement I/072/09/0 for the Planck LFI Activity of Phase E2. We also thank J. González-Nuevo for useful comments and help. We also wish to thank the referee for his comments that have helped us to significantly improve the quality of this work. | |
| dc.format.extent | 8 p. | es_ES |
| dc.language.iso | eng | es_ES |
| dc.publisher | Oxford University Press | es_ES |
| dc.rights | This article has been accepted for publication in Monthly notices of the Royal Astronomical Society © 2011 The authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. | es_ES |
| dc.source | Monthly Notices of the Royal Astronomical Society, 2011, 414(1), 410-417 | es_ES |
| dc.subject.other | Methods: data analysis | es_ES |
| dc.subject.other | Techniques: image processing | es_ES |
| dc.subject.other | Cosmic background radiation | es_ES |
| dc.subject.other | Radio continuum: galaxies | es_ES |
| dc.title | A Bayesian technique for the detection of point sources in cosmic microwave background maps | es_ES |
| dc.type | info:eu-repo/semantics/article | es_ES |
| dc.relation.publisherVersion | https://doi.org/10.1111/j.1365-2966.2011.18398.x | es_ES |
| dc.rights.accessRights | openAccess | es_ES |
| dc.identifier.DOI | 10.1111/j.1365-2966.2011.18398.x | |
| dc.type.version | publishedVersion | es_ES |
