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AMI limits on 15-GHz excess emission in northern H ii regions

AMI limits on 15-GHz excess emission in northern H ii regions
AMI limits on 15-GHz excess emission in northern H ii regions
We present observations between 14.2 and 17.9 GHz of 16 Galactic H ii regions made with the Arcminute Microkelvin Imager. In conjunction with data from the literature at lower radio frequencies we investigate the possibility of a spinning dust component in the spectra of these objects. We conclude that there is no significant evidence for spinning dust towards these sources and measure an average spectral index of ?= 0.15 ± 0.07 (where S????) between 1.4 and 17.9 GHz for the sample.
1365-2966
809-822
Scaife, A. M. M.
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Hurley-Walker, N.
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Davies, M. L.
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Duffett-Smith, P. J.
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Feroz, F.
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Grainge, K. J. B.
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Green, D. A.
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Hobson, M. P.
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Kaneko, T.
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Lasenby, A. N.
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Pooley, G. G.
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Saunders, R. D. E.
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Scott, P. F.
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Titterington, D. J.
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Waldram, E. M.
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Zwart, J.
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Scaife, A. M. M.
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Hurley-Walker, N.
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Davies, M. L.
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Duffett-Smith, P. J.
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Feroz, F.
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Grainge, K. J. B.
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Green, D. A.
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Hobson, M. P.
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Kaneko, T.
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Lasenby, A. N.
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Pooley, G. G.
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Saunders, R. D. E.
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Scott, P. F.
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Titterington, D. J.
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Waldram, E. M.
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Zwart, J.
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Scaife, A. M. M., Hurley-Walker, N. and Davies, M. L. et al. (2008) AMI limits on 15-GHz excess emission in northern H ii regions. Monthly Notices of the Royal Astronomical Society, 385 (2), 809-822. (doi:10.1111/j.1365-2966.2007.12743.x).

Record type: Article

Abstract

We present observations between 14.2 and 17.9 GHz of 16 Galactic H ii regions made with the Arcminute Microkelvin Imager. In conjunction with data from the literature at lower radio frequencies we investigate the possibility of a spinning dust component in the spectra of these objects. We conclude that there is no significant evidence for spinning dust towards these sources and measure an average spectral index of ?= 0.15 ± 0.07 (where S????) between 1.4 and 17.9 GHz for the sample.

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Published date: February 2008
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Organisations: Astronomy Group

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Local EPrints ID: 336935
URI: http://eprints.soton.ac.uk/id/eprint/336935
DOI: doi:10.1111/j.1365-2966.2007.12743.x
ISSN: 1365-2966
PURE UUID: 86a918db-4bc0-4710-b86f-3d43ff4cea64

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Date deposited: 31 May 2012 10:50
Last modified: 14 Mar 2024 10:47

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Contributors

Author: A. M. M. Scaife
Author: N. Hurley-Walker
Author: M. L. Davies
Author: P. J. Duffett-Smith
Author: F. Feroz
Author: K. J. B. Grainge
Author: D. A. Green
Author: M. P. Hobson
Author: T. Kaneko
Author: A. N. Lasenby
Author: G. G. Pooley
Author: R. D. E. Saunders
Author: P. F. Scott
Author: D. J. Titterington
Author: E. M. Waldram
Author: J. Zwart

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