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.
- Zeilinger, W. W.
DOIAbstract
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
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