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Advances in Astronomy
Volume 2012 (2012), Article ID 607384, 8 pages
Review Article

Large Radio Telescopes for Anomalous Microwave Emission Observations

1Physics Department, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
2CSIRO, Astronomy and Space Science, P.O. Box 276, Parkes, NSW 2870, Australia

Received 3 August 2012; Accepted 19 October 2012

Academic Editor: Clive Dickinson

Copyright © 2012 E. S. Battistelli et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We discuss in this paper the problem of the Anomalous Microwave Emission (AME) in the light of ongoing or future observations to be performed with the largest fully steerable radio telescope in the world. High angular resolution observations of the AME will enable astronomers to drastically improve the knowledge of the AME mechanisms as well as the interplay between the different constituents of the interstellar medium in our galaxy. Extragalactic observations of the AME have started as well, and high resolution is even more important in this kind of observations. When cross-correlating with IR-dust emission, high angular resolution is also of fundamental importance in order to obtain unbiased results. The choice of the observational frequency is also of key importance in continuum observation. We calculate a merit function that accounts for the signal-to-noise ratio (SNR) in AME observation given the current state-of-the-art knowledge and technology. We also include in our merit functions the frequency dependence in the case of multifrequency observations. We briefly mention and compare the performance of four of the largest radiotelescopes in the world and hope the observational programs in each of them will be as intense as possible.