The dust morphology of the elliptical Galaxy M 86 with SPIRE

Gomez, H L, Baes, M, Cortese, L, Smith, M W L, Boselli, A, Ciesla, L, Bendo, G J, Pohlen, M, di Serego Alighieri, S, Oliver, S and et al, (2010) The dust morphology of the elliptical Galaxy M 86 with SPIRE. Astronomy and Astrophysics, 518. ISSN 0004-6361

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Abstract

We present Herschel-SPIRE observations at 250-500 mu m of the giant elliptical galaxy M 86 and examine the distribution of the resolved cold dust emission and its relation with other galactic tracers. The SPIRE images reveal three dust components: emission from the central region; a dust lane extending north-south; and a bright emission feature 10 kpc to the south-east. We estimate that similar to 10(6) M-circle dot of dust is spatially coincident with atomic and ionized hydrogen, originating from stripped material from the nearby spiral NGC 4438 due to recent tidal interactions with M 86. The gas-to-dust ratio of the cold gas component ranges from similar to 20-80. We discuss the different heating mechanisms for the dust features.

Item Type: Article
Additional Information: There are other co-authors not recorded et al.
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Depositing User: EPrints Services
Date Deposited: 06 Feb 2012 19:28
Last Modified: 07 Jun 2012 10:34
URI: http://sro.sussex.ac.uk/id/eprint/20729
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