An increase in black hole activity in galaxies with kinematically misaligned gas

Research output: Contribution to journal › Journal article › Research › peer-review

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An increase in black hole activity in galaxies with kinematically misaligned gas. / Raimundo, Sandra I.; Malkan, Matthew; Vestergaard, Marianne.

In: Nature Astronomy, Vol. 7, 04.2023, p. 463-472.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Raimundo, SI, Malkan, M & Vestergaard, M 2023, 'An increase in black hole activity in galaxies with kinematically misaligned gas', Nature Astronomy, vol. 7, pp. 463-472. https://doi.org/10.1038/s41550-022-01880-z

APA

Raimundo, S. I., Malkan, M., & Vestergaard, M. (2023). An increase in black hole activity in galaxies with kinematically misaligned gas. Nature Astronomy, 7, 463-472. https://doi.org/10.1038/s41550-022-01880-z

Vancouver

Raimundo SI, Malkan M, Vestergaard M. An increase in black hole activity in galaxies with kinematically misaligned gas. Nature Astronomy. 2023 Apr;7:463-472. https://doi.org/10.1038/s41550-022-01880-z

Author

Raimundo, Sandra I. ; Malkan, Matthew ; Vestergaard, Marianne. / An increase in black hole activity in galaxies with kinematically misaligned gas. In: Nature Astronomy. 2023 ; Vol. 7. pp. 463-472.

Bibtex

@article{719de3ddef924b919adfa079f6b921d2,
title = "An increase in black hole activity in galaxies with kinematically misaligned gas",
abstract = "Analysis of a large galaxy sample shows that black hole activity is greater in galaxies in which the stellar and gas kinematics are misaligned. This observation suggests that the misalignment, driven by external gas accretion, fuels the central supermassive black holes.External accretion events such as a galaxy merger or the accretion of gas from the immediate environment of a galaxy can create a large misalignment between the gas and the stellar kinematics. Numerical simulations have suggested that misaligned structures may promote the inflow of gas to the nucleus of the galaxy and the accretion of gas by the central supermassive black hole. We show for the first time that galaxies with a strong misalignment between the ionized gas and stellar kinematic angles have a higher observed fraction of active black holes than galaxies with aligned rotation of gas and stars. The increase in black hole activity suggests that the process of formation and/or the presence of misaligned structures are connected with the fuelling of active supermassive black holes.",
keywords = "GALACTIC NUCLEI, ANGULAR-MOMENTUM, STAR-FORMATION, HOST GALAXIES, LINE SPECTRA, IONIZED-GAS, COLD GAS, EMISSION, SAMI, STELLAR",
author = "Raimundo, {Sandra I.} and Matthew Malkan and Marianne Vestergaard",
year = "2023",
month = apr,
doi = "10.1038/s41550-022-01880-z",
language = "English",
volume = "7",
pages = "463--472",
journal = "Nature Astronomy",
issn = "2397-3366",
publisher = "nature publishing group",

}

RIS

TY - JOUR

T1 - An increase in black hole activity in galaxies with kinematically misaligned gas

AU - Raimundo, Sandra I.

AU - Malkan, Matthew

AU - Vestergaard, Marianne

PY - 2023/4

Y1 - 2023/4

N2 - Analysis of a large galaxy sample shows that black hole activity is greater in galaxies in which the stellar and gas kinematics are misaligned. This observation suggests that the misalignment, driven by external gas accretion, fuels the central supermassive black holes.External accretion events such as a galaxy merger or the accretion of gas from the immediate environment of a galaxy can create a large misalignment between the gas and the stellar kinematics. Numerical simulations have suggested that misaligned structures may promote the inflow of gas to the nucleus of the galaxy and the accretion of gas by the central supermassive black hole. We show for the first time that galaxies with a strong misalignment between the ionized gas and stellar kinematic angles have a higher observed fraction of active black holes than galaxies with aligned rotation of gas and stars. The increase in black hole activity suggests that the process of formation and/or the presence of misaligned structures are connected with the fuelling of active supermassive black holes.

AB - Analysis of a large galaxy sample shows that black hole activity is greater in galaxies in which the stellar and gas kinematics are misaligned. This observation suggests that the misalignment, driven by external gas accretion, fuels the central supermassive black holes.External accretion events such as a galaxy merger or the accretion of gas from the immediate environment of a galaxy can create a large misalignment between the gas and the stellar kinematics. Numerical simulations have suggested that misaligned structures may promote the inflow of gas to the nucleus of the galaxy and the accretion of gas by the central supermassive black hole. We show for the first time that galaxies with a strong misalignment between the ionized gas and stellar kinematic angles have a higher observed fraction of active black holes than galaxies with aligned rotation of gas and stars. The increase in black hole activity suggests that the process of formation and/or the presence of misaligned structures are connected with the fuelling of active supermassive black holes.

KW - GALACTIC NUCLEI

KW - ANGULAR-MOMENTUM

KW - STAR-FORMATION

KW - HOST GALAXIES

KW - LINE SPECTRA

KW - IONIZED-GAS

KW - COLD GAS

KW - EMISSION

KW - SAMI

KW - STELLAR

U2 - 10.1038/s41550-022-01880-z

DO - 10.1038/s41550-022-01880-z

M3 - Journal article

VL - 7

SP - 463

EP - 472

JO - Nature Astronomy

JF - Nature Astronomy

SN - 2397-3366

ER -

ID: 337693763