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Preprint typeset using LATEX style emulateapj v. 5/2/11 SPATIALLY RESOLVED STELLAR, DUST AND GAS PROPERTIES OF THE POST-INTERACTING WHIRLPOOL GALAXY SYSTEM

By Erin Mentuch Cooper, Christine D. Wilson, Kelly Foyle, George Bendo, Jin Koda, Marten Baes, Ro Boselli, Laure Ciesla, Asantha Cooray, Steve Eales, Maud Galametz, Vianney Lebouteiller, Tara Parkin, Marc Sauvage, Luigi Spinoglio and Matthew W. L

Abstract

Using infrared imaging from the Herschel Space Observatory, observed as part of the Very Nearby Galaxies Survey, we investigate the spatially resolved dust properties of the interacting Whirlpool galaxy system (NGC 5194 and NGC 5195), on physical scales of ∼ 1 kpc. Spectral energy distribution modelling of the new infrared images in combination with archival optical, near- through mid-infrared images confirms that both galaxies underwent a burst of star formation ∼370–480 Myr ago and pro-vides spatially resolved maps of the stellar and dust mass surface densities. The resulting average dust-to-stellar mass ratios are comparable to other spiral and spheroidal galaxies studied with Her

Year: 2014
OAI identifier: oai:CiteSeerX.psu:10.1.1.756.8647
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