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Constraints on Axion-Like Particles from X-ray Observations of NGC1275
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Physics (from 2013). (Physics)ORCID iD: 0000-0001-9611-2450
Rudolf Peierls Centre for Theoretical Physics, UK.
Rudolf Peierls Centre for Theoretical Physics, UK.
Rudolf Peierls Centre for Theoretical Physics, UK.
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2017 (English)In: Astrophysical Journal, ISSN 0004-637X, E-ISSN 1538-4357, Vol. 847, no 101, p. 1-22Article in journal (Refereed) Published
Abstract [en]

Axion-like particle s(ALPs) can induce localized oscillatory modulations in the spectra of photon sources passingthrough astrophysical magneticfields. Ultra-deep Chandraobservations of the Perseus cluster contain over 5 x 105counts from the active galactic nucleus (AGN) of the central cluster galaxy NGC1275 and represent a dataset of extraordinary quality for ALP searches. We use this data set to search for X-ray spectral irregularities fromthe AGN.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 2017. Vol. 847, no 101, p. 1-22
Keywords [en]
elementary particles, X-rays, galaxies, clusters, individual (NGC1275)
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Physics
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URN: urn:nbn:se:kau:diva-65797DOI: 10.3847/1538-4357/aa8b16ISI: 000411890700001OAI: oai:DiVA.org:kau-65797DiVA, id: diva2:1176838
Available from: 2018-01-23 Created: 2018-01-23 Last updated: 2019-07-11Bibliographically approved

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Berg, Marcus

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