Cross-Correlation of Tenerife Data with Galactic Templates—Evidence for Spinning Dust?

1999/04/30 by Angelica de Oliveira-Costa, A. de Oliveira‐Costa, Max Tegmark +10 · 6 citations
Physics and Astronomy · #Astrophysics and Cosmic Phenomena #Astrophysics and Star Formation Studies #Cosmology and Gravitation Theories #astro-ph

paper · pdf · doi:10.1086/312384

published as Astrophys.J.527:L9-L12,1999 · 5 pages, with 3 figures included. Color figures and links at http://www.sns.ias.edu/~angelica/foreground.html#tenerife"

openalex publication_date 1999/12/10 · arxiv created 2000/01/31 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/31

Abstract

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 support the spinning dust hypothesis. We also present a significant detection of synchrotron radiation at 10 GHz, which is useful for normalizing foreground contamination of cosmic microwave background experiments at high galactic latitudes.

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