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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
DustPedia: Multiwavelength photometry and imagery of 875 nearby galaxies in 42 ultraviolet-microwave bands
Astronomy and Astrophysics, Volume 609, Article A37, Year 2018
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Description
Aims. The DustPedia project is capitalising on the legacy of the Herschel Space Observatory, using cutting-edge modelling techniques to study dust in the 875 DustPedia galaxies - representing the vast majority of extended galaxies within 3000 km s-1 that were observed by Herschel. This work requires a database of multiwavelength imagery and photometry that greatly exceeds the scope (in terms of wavelength coverage and number of galaxies) of any previous local-Universe survey. Methods. We constructed a database containing our own custom Herschel reductions, along with standardised archival observations from GALEX, SDSS, DSS, 2MASS, WISE, Spitzer, and Planck. Using these data, we performed consistent aperture-matched photometry, which we combined with external supplementary photometry from IRAS and Planck. Results. We present our multiwavelength imagery and photometry across 42 UV-microwave bands for the 875 DustPedia galaxies. Our aperture-matched photometry, combined with the external supplementary photometry, represents a total of 21 857 photometric measurements. A typical DustPedia galaxy has multiwavelength photometry spanning 25 bands. We also present the Comprehensive & Adaptable Aperture Photometry Routine (CAAPR), the pipeline we developed to carry out our aperture-matched photometry. CAAPR is designed to produce consistent photometry for the enormous range of galaxy and observation types in our data. In particular, CAAPR is able to determine robust cross-compatible uncertainties, thanks to a novel method for reliably extrapolating the aperture noise for observations that cover a very limited amount of background. Our rich database of imagery and photometry is being made available to the community. © ESO, 2017.
Authors & Co-Authors
Clark, Christopher J.R.
United Kingdom, Cardiff
Cardiff University
Bianchi, Simone
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Fritz, Jacopo
Mexico, Morelia
Unam Campus Morelia
Viaene, Sébastien
Belgium, Ghent
Universiteit Gent
United Kingdom, Hatfield
University of Hertfordshire
Smith, Matthew W.L.
United Kingdom, Cardiff
Cardiff University
Baes, Maarten
Belgium, Ghent
Universiteit Gent
Casasola, Viviana
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Davies, Jonathan I.
United Kingdom, Cardiff
Cardiff University
de Looze, Ilse
Belgium, Ghent
Universiteit Gent
United Kingdom, London
University College London
de Vis, Pieter
France, Paris
Cnrs Centre National de la Recherche Scientifique
Evans, Ruth
United Kingdom, Cardiff
Cardiff University
Galametz, Maud
Germany, Garching Bei Munchen
European Southern Observatory
Jones, Anthony P.
France, Paris
Cnrs Centre National de la Recherche Scientifique
Lianou, Sophia
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Madden, Suzanne C.
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Statistics
Citations: 76
Authors: 15
Affiliations: 12
Identifiers
Doi:
10.1051/0004-6361/201731419
ISSN:
00046361
Research Areas
Health System And Policy
Study Design
Cross Sectional Study
Study Approach
Quantitative