The Galactic dust as a foreground to Cosmic Microwave Background maps

C. M\'eny (CESR); F. Pajot (IAS Orsay); I. Ristorcelli (CESR); J.-M. Lamarre (LERMA Paris); J.-P. Bernard; M. Giard (CESR Toulouse); N. Boudet; Noordwijk; the Netherlands); X. Dupac (ESA-ESTEC

arxiv: astro-ph/0308090 · v1 · pith:PYVYWOTHnew · submitted 2003-08-06 · 🌌 astro-ph

The Galactic dust as a foreground to Cosmic Microwave Background maps

X. Dupac (ESA-ESTEC , Noordwijk , the Netherlands) , J.-P. Bernard , N. Boudet , M. Giard (CESR Toulouse) , J.-M. Lamarre (LERMA Paris) , C. M\'eny (CESR)

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F. Pajot (IAS Orsay) I. Ristorcelli (CESR)

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keywords backgroundcosmicdustmapsmicrowaveballoon-bornecomponentexperiment

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We present results obtained with the PRONAOS balloon-borne experiment on interstellar dust. In particular, the submillimeter / millimeter spectral index is found to vary between roughly 1 and 2.5 on small scales (3.5' resolution). This could have implications for component separation in Cosmic Microwave Background maps.

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The Galactic dust as a foreground to Cosmic Microwave Background maps

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