Spectral age distribution for radio-loud active galaxies in the XMM-LSS field

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dc.contributor.authorJarvis, Matt J
dc.contributor.authorWhittam, Imogen H
dc.contributor.authorPinjarkar, Siddhant
dc.contributor.authorHardcastle, Martin J
dc.date.accessioned2023-07-14T13:07:14Z
dc.date.available2023-07-14T13:07:14Z
dc.date.issued2023
dc.description.abstractJets of energetic particles, as seen in FR type-I and FR type-II sources, ejected from the centre of radio-loud AGN affect the sources surrounding the intracluster medium/intergalactic medium. Placing constraints on the age of such sources is important in order to measure the jet powers and determine the effects on feedback. To evaluate the age of these sources using spectral age models, we require high-resolution multiwavelength data. The new sensitive and high-resolution MIGHTEE survey of the XMM-LSS field, along with data from the Low Frequency Array (LOFAR) and the Giant Metrewave Radio Telescope (GMRT) provide data taken at different frequencies with similar resolution, which enables us to determine the spectral age distribution for radio-loud AGN in the survey field. In this study, we present a sample of 28 radio galaxies with their best-fitting spectral age distribution analysed using the Jaffe–Perola (JP) model on a pixel-by-pixel basis.en_US
dc.identifier.citationPinjarkar, S., Hardcastle, M.J., Harwood, J.J., Lal, D.V., Hatfield, P.W., Jarvis, M.J., Randriamanakoto, Z. and Whittam, I.H., 2023. Spectral age distribution for radio-loud active galaxies in the XMM-LSS field. Monthly Notices of the Royal Astronomical Society, 523(1), pp.620-639.en_US
dc.identifier.urihttps://doi.org/10.1093/mnras/stad1432
dc.identifier.urihttp://hdl.handle.net/10566/9203
dc.language.isoenen_US
dc.publisherMonthly Notices of the Royal Astronomical Societyen_US
dc.subjectGalaxies: activeen_US
dc.subjectGalaxies: evolutionen_US
dc.subjectGalaxies: nucleien_US
dc.subjectSpectral ageen_US
dc.subjectRadio-loud AGNen_US
dc.titleSpectral age distribution for radio-loud active galaxies in the XMM-LSS fielden_US
dc.typeArticleen_US

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