Cortese, L, Oliver, S and et al, (2010) Herschel-SPIRE observations of the disturbed galaxy NGC4438. Astronomy and Astrophysics, 518. ISSN 0004-6361

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Abstract

We present Herschel-SPIRE observations of the perturbed galaxy NGC4438 in the Virgo cluster. These images reveal the presence of extra-planar dust up to similar to 4-5 kpc away from the galaxy's disk. The dust closely follows the distribution of the stripped atomic and molecular hydrogen, supporting the idea that gas and dust are perturbed in a similar fashion by the cluster environment. Interestingly, the extra-planar dust lacks a warm temperature component when compared to the material still present in the disk, explaining why it was missed by previous far-infrared investigations. Our study provides evidence for dust stripping in clusters of galaxies and illustrates the potential of Herschel data for our understanding of environmental effects on galaxy evolution.

Item Type:	Article
Additional Information:	There are other external co-authors not recorded et al
Schools and Departments:	School of Mathematical and Physical Sciences > Physics and Astronomy
Depositing User:	Seb Oliver
Date Deposited:	06 Feb 2012 18:28
Last Modified:	07 Jun 2012 10:31
URI:	http://sro.sussex.ac.uk/id/eprint/16533

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