The dust morphology of the elliptical Galaxy M 86 with SPIRE

H.L. Gomez, M. Baes, Luca Cortese, M.L. Smith, A. Boselli, L. Ciesla, G.J. Bendo, M. Pohlen, S. Di Serego Alighieri, R. Auld, M.J. Barlow, J.J. Bock, M. Bradford, V. Buat, N. Castro-Rodriguez, P. Chanial, S. Charlot, D.L. Clements, A. Cooray, D. CormierJ.I. Davies, E. Dwek, S. Eales, D. Elbaz, M. Galametz, F. Galliano, W.K. Gear, J. Glenn, M. Griffin, S. Hony, K.G. Isaak, L.R. Levenson, N. Lu, S. Madden, B. O'Halloran, K. Okumura, S. Oliver, M.J. Page, P. Panuzzo, A. Papageorgiou, T.J. Parkin, I. Perez-Fournon, N. Rangwala, E.E. Rigby, H. Roussel, A. Rykala, N. Sacchi, M. Sauvage, M.R.P. Schirm, B. Schulz, L. Spinoglio, S. Srinivasan, J.A. Stevens, M. Symeonidis, M. Trichas, M. Vaccari, L. Vigroux, C.D. Wilson, H. Wozniak, G.S. Wright, W.W. Zeilinger

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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 Modot; 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. © ESO 2010.
    Original languageEnglish
    Pages (from-to)5
    JournalAstronomy and Astrophysics
    Volume518
    Issue number4
    DOIs
    Publication statusPublished - 2010

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    Gomez, H. L., Baes, M., Cortese, L., Smith, M. L., Boselli, A., Ciesla, L., ... Zeilinger, W. W. (2010). The dust morphology of the elliptical Galaxy M 86 with SPIRE. Astronomy and Astrophysics, 518(4), 5. https://doi.org/10.1051/0004-6361/201014530