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A New Component in the Radio Continua of PNe

Casassus, S. and Nyman, L.-Å. and Pearson, T. J. and Readhead, A. C. (2005) A New Component in the Radio Continua of PNe. In: Planetary Nebulae as Astronomical Tools, Gdansk, Poland, 28 June-2 July 2005. American Institute of Physics Conference Proceedings. No.804. American Institute of Physics , Melville, NY, pp. 204-207. ISBN 0-7354-0294-9 http://resolver.caltech.edu/CaltechAUTHORS:CASaipcp05

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Abstract

A byproduct of experiments designed to map the CMB is the recent detection of a new component of foreground galactic emission. The anomalous foreground at 10–30 GHz, unexplained by traditional emission mechanisms, correlates with 100 mum dust emission, and is thus presumably due to dust.Is the anomalous foreground ubiquitous in the Galaxy? I will present evidence obtained with the CBI and SIMBA+SEST supporting the existence of the new component in the ISM at large, and in specific objects, in the form of a 31 GHz excess over free-free emission in PNe.


Item Type:Book Section
Additional Information:©2005 American Institute of Physics. Issue Date: November 28, 2005. S.C acknowledges support from Fondecyt grant 1030805, and from the Chilean Center for Astrophysics FONDAP 15010003.
Subject Keywords:planetary nebulae, radiosources (astronomical), Galaxy
Record Number:CaltechAUTHORS:CASaipcp05
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:CASaipcp05
Alternative URL:http://dx.doi.org/10.1063/1.2146273
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:9923
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:27 Mar 2008
Last Modified:26 Dec 2012 09:54

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