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  • Gorski, Mark,1989Chalmers tekniska högskola,Chalmers University of Technology,Northwestern University (author)

A spectacular galactic scale magnetohydrodynamic powered wind in ESO 320-G030

  • Article/chapterEnglish2024

Publisher, publication year, extent ...

  • 2024
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:6d68a23c-202d-45a0-9af1-bb53352da969
  • https://doi.org/10.1051/0004-6361/202348821DOI
  • https://research.chalmers.se/publication/541564URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • How galaxies regulate nuclear growth through gas accretion by supermassive black holes (SMBHs) is one of the most fundamental questions in galaxy evolution. One potential way to regulate nuclear growth is through a galactic wind that removes gas from the nucleus. It is unclear whether galactic winds are powered by jets, mechanical winds, radiation, or via magnetohydrodynamic (MHD) processes. Compact obscured nuclei represent a significant phase of galactic nuclear growth. These galaxies hide growing SMBHs or unusual starbursts in their very opaque, extremely compact (r < 100 pc) centres. They are found in approximately 30% of the luminous and ultra-luminous infrared galaxy population. Here, we present high-resolution ALMA observations (∼30 mas, ∼5 pc) of ground-state and vibrationally excited HCN towards ESO 320-G030 (IRAS 11506-3851). ESO 320-G030 is an isolated luminous infrared galaxy known to host a compact obscured nucleus and a kiloparsec-scale molecular wind. Our analysis of these high-resolution observations excludes the possibility of a starburst-driven wind, a mechanically or energy driven active galactic nucleus wind, and exposes a molecular MDH wind. These results imply that the nuclear evolution of galaxies and the growth of SMBHs are similar to the growth of hot cores or protostars where gravitational collapse of the nuclear torus drives a MHD wind. These results mean galaxies are capable, in part, of regulating the evolution of their nuclei without feedback.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Aalto, Susanne,1964Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)saalto (author)
  • König, Sabine,1983Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)ksabine (author)
  • Wethers, Clare,1991Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)wethers (author)
  • Yang, Chentao,1988Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)chentao (author)
  • Muller, Sebastien,1976Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)mullers (author)
  • Onishi, Kyoko,1989National Astronomical Observatory of Japan,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)kyokoo (author)
  • Sato, Mamiko,1982Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)mamiko (author)
  • Falstad, Niklas,1987Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)falstad (author)
  • Mangum, J. G.National Radio Astronomy Observatory (author)
  • Linden, S. T.University of Massachusetts (author)
  • Combes, F.Observatoire de Paris,Paris Observatory (author)
  • Martin, S.Atacama Large Millimeter-submillimeter Array (ALMA),European Southern Observatory Santiago (author)
  • Imanishi, M.National Astronomical Observatory of Japan (author)
  • Wada, K.Kagoshima University (author)
  • Barcos-Munoz, LoretoNational Radio Astronomy Observatory,University of Virginia (author)
  • Stanley, F.Institut de Radioastronomie Millimétrique (IRAM) (author)
  • Burillo, S. G.Observatorio Astronómico Nacional (OAN),Spanish National Observatory (OAN) (author)
  • van der Werf, P.Universiteit Leiden (UL),Leiden University (UL) (author)
  • Evans, A. S.University of Virginia,National Radio Astronomy Observatory (author)
  • Henkel, C.Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),King Abdulaziz University (author)
  • Viti, SerenaUniversity College London (UCL),Universiteit Leiden (UL),Leiden University (UL) (author)
  • Harada, N.National Astronomical Observatory of Japan,The Graduate University for Advanced Studies (SOKENDAI) (author)
  • Diaz-Santos, T.European University Cyprus (author)
  • Gallagher III, J. S.University of Wisconsin Madison (author)
  • Gonzalez-Alfonso, E.Universidad de Alcala,University of Alcalá (author)
  • Chalmers tekniska högskolaNorthwestern University (creator_code:org_t)

Related titles

  • In:Astronomy and Astrophysics6840004-63611432-0746

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