Astronomy and Astrophysics – Astrophysics
Scientific paper
1999-04-22
Astrophys.J.527:L9-L12,1999
Astronomy and Astrophysics
Astrophysics
5 pages, with 3 figures included. Color figures and links at http://www.sns.ias.edu/~angelica/foreground.html#tenerife"
Scientific paper
10.1086/312384
The recent discovery of dust-correlated diffuse microwave emission has prompted two rival explanations: free-free emission and spinning dust grains. We present new detections of this component at 10 and 15 GHz by the switched-beam Tenerife experiment. The data show a turnover in the spectrum and thereby supports the spinning dust hypothesis. We also present a significant detection of synchrotron radiation at 10 GHz, useful for normalizing foreground contamination of CMB experiments at high-galactic latitudes.
Davies Rhodri D.
de Oliveira-Costa Angélica
Gutierrez Carlos M.
Jones Aled W.
Lasenby Anthony N.
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