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Galactic dust contamination in the BOOMERanG Maps

Masi, S., Ade, Peter A. R., Bock, J. J, Boscaleri, A., Crill, B. R, de Bernardis, P., Giacometti, M., Hivon, E., Hristov, V. V., Lange, A. E., Mauskopf, Philip Daniel, Montroy, T., Netterfield, C. B., Pascale, E., Piacentini, F., Prunet, S. and Ruhl, J. 2002. Galactic dust contamination in the BOOMERanG Maps. Presented at: MGIX MM meeting, Rome, Italy, 2-8 July 2000. Published in: Gurzadyan, Vahe G., Jantzen, Robert T. and Ruffin, Remo eds. The Ninth Marcel Grossmann Meeting On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories (Proceedings). The Marcel Grossmann Meetings River Edge, NJ: World Scientific, pp. 674-678. 10.1142/9789812777386_0051

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Thermal emission from interstellar dust is a potential contaminant for sensitive measurements of Cosmic Microwave Background anisotropies. Here we analyze the mm-wave observations obtained by the BOOMERanG experiment at 90, 150, 240 and 410 GHz. Galactic emission has been detected at intermediate and high (b < -20°) Galactic latitudes, and is morphologically similar to the dust emission mapped by the IRAS satellite at 3000 GHz and by the DIRBE instrument on COBE at 1250 GHz. We show that the 410 GHz channel of BOOMERanG is a good monitor of dust emission, and that at 150 GHz the contamination is negligible with respect to the anisotropy of the cosmic microwave background (CMB) detected by the same instrument.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Publisher: World Scientific
ISBN: 9812380108
Last Modified: 23 Jan 2020 03:58

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