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The dust morphology of the elliptical Galaxy M 86 with SPIRE

Gomez, Haley Louise, Baes, M., Cortese, Luca, Smith, Matthew W., Boselli, A., Ciesla, L., Bendo, G. J., Pohlen, Michael, di Serego Alighieri, S., Auld, Robbie Richard, Barlow, M. J., Bock, J. J., Bradford, M., Buat, V., Castro-Rodriguez, N., Chanial, P., Charlot, S., Clements, D. L., Cooray, A., Cormier, D., Davies, Jonathan Ivor, Dwek, E., Eales, Stephen Anthony, Elbaz, D., Galametz, M., Galliano, F., Gear, Walter Kieran, Glenn, J., Griffin, Matthew Joseph, Hony, S., Isaak, Kate Gudrun, Levenson, L. R., Lu, N., Madden, S., O'Halloran, B., Okumura, K., Oliver, S., Page, M. J., Panuzzo, P., Papageorgiou, Andreas, Parkin, T. J., Perez-Fournon, I., Rangwala, N., Rigby, E. E., Roussel, H., Rykala, Adam John, Sacchi, N., Sauvage, M., Schirm, M. R. P., Schulz, B., Spinoglio, L., Srinivasan, S., Stevens, J. A., Symeonidis, M., Trichas, M., Vaccari, M., Vigroux, L., Wilson, C. D., Wozniak, H., Wright, G. S. and Zeilinger, W. W. 2010. The dust morphology of the elliptical Galaxy M 86 with SPIRE. Astronomy and Astrophysics 518 , L45. 10.1051/0004-6361/201014530

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Abstract

We present Herschel-SPIRE observations at 250–500 μm 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 ~106 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 ~20–80. We discuss the different heating mechanisms for the dust features.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Uncontrolled Keywords: galaxies: ellipticals and lenticular, cD / galaxies: individual: M 86 / submillimeter: ISM / dust, extinction
Publisher: EDP Sciences
ISSN: 0004-6361
Last Modified: 04 Aug 2018 00:22
URI: http://orca-mwe.cf.ac.uk/id/eprint/10988

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