AMI-CL J0300+2613: A Galactic anomalous-microwave-emission ring masquerading as a galaxy cluster

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Authors
Perrott, YC
Cantwell, TM
Carey, SH
Elwood, PJ
Feroz, F
Grainge, KJB
Green, DA
Publication Date
2018
Journal Title
Monthly Notices of the Royal Astronomical Society
ISSN
0035-8711
Publisher
Oxford University Press (OUP)
Volume
473
Issue
1
Pages
1157-1167
Type
Article
This Version
VoR
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Citation
Perrott, Y., Cantwell, T., Carey, S., Elwood, P., Feroz, F., Grainge, K., Green, D., et al. (2018). AMI-CL J0300+2613: A Galactic anomalous-microwave-emission ring masquerading as a galaxy cluster. Monthly Notices of the Royal Astronomical Society, 473 (1), 1157-1167. https://doi.org/10.1093/mnras/stx2421
Abstract
The Arcminute Microkelvin Imager (AMI) carried out a blind survey for galaxy clusters via their Sunyaev-Zel'dovich effect decrements between 2008 and 2011. The first detection, known as AMI-CL J0300+2613, has been reobserved with AMI equipped with a new digital correlator with high dynamic range. The combination of the new AMI data and more recent high-resolution sub-mm and infra-red maps now shows the feature in fact to be a ring of positive dust-correlated Galactic emission, which is likely to be anomalous microwave emission (AME). If so, this is the first completely blind detection of AME at arcminute scales.
Sponsorship
STFC (1364729)
STFC (1490819)
Science and Technology Facilities Council (ST/M001172/1)
Embargo Lift Date
2100-01-01
Identifiers
External DOI: https://doi.org/10.1093/mnras/stx2421
This record's URL: https://www.repository.cam.ac.uk/handle/1810/275484
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http://www.rioxx.net/licenses/all-rights-reserved
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