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The case for the fundamental MBH-σ relation

The case for the fundamental MBH-σ relation
The case for the fundamental MBH-σ relation
Strong scaling relations between host galaxy properties (such as stellar mass, bulge mass, luminosity, effective radius etc) and their nuclear supermassive black hole’s mass point towards a close co-evolution. In this work, we first review previous efforts supporting the fundamental importance of the relation between supermassive black hole mass and stellar velocity dispersion (MBH-σe). We then present further original work supporting this claim via analysis of residuals and principal component analysis applied to some among the latest compilations of local galaxy samples with dynamically measured supermassive black hole masses. We conclude with a review of the main physical scenarios in favour of the existence of a MBH-σe relation, with a focus on momentum-driven outflows.
galaxies, principal component analysis, scaling relations, supermassive black holes, velocity dispersion
0429-7725
Marsden, Christopher
ccd1ecc8-3eb4-4699-a87e-0bfba0dd40b0
Shankar, F
b10c91e4-85cd-4394-a18a-d4f049fd9cdb
Ginolfi, Michele
751fc1c0-f11a-4910-9f89-19581416bd85
Zubovas, Kastytis
bc24a6ae-b645-4c7c-a9ab-8093e63fc7fc
Marsden, Christopher
ccd1ecc8-3eb4-4699-a87e-0bfba0dd40b0
Shankar, F
b10c91e4-85cd-4394-a18a-d4f049fd9cdb
Ginolfi, Michele
751fc1c0-f11a-4910-9f89-19581416bd85
Zubovas, Kastytis
bc24a6ae-b645-4c7c-a9ab-8093e63fc7fc

Marsden, Christopher, Shankar, F, Ginolfi, Michele and Zubovas, Kastytis (2020) The case for the fundamental MBH-σ relation. Frontiers in Physics, 8, [61]. (doi:10.3389/fphy.2020.00061).

Record type: Article

Abstract

Strong scaling relations between host galaxy properties (such as stellar mass, bulge mass, luminosity, effective radius etc) and their nuclear supermassive black hole’s mass point towards a close co-evolution. In this work, we first review previous efforts supporting the fundamental importance of the relation between supermassive black hole mass and stellar velocity dispersion (MBH-σe). We then present further original work supporting this claim via analysis of residuals and principal component analysis applied to some among the latest compilations of local galaxy samples with dynamically measured supermassive black hole masses. We conclude with a review of the main physical scenarios in favour of the existence of a MBH-σe relation, with a focus on momentum-driven outflows.

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fundamentalMBH-σrelation - Accepted Manuscript
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Published date: 17 March 2020
Keywords: galaxies, principal component analysis, scaling relations, supermassive black holes, velocity dispersion

Identifiers

Local EPrints ID: 439371
URI: http://eprints.soton.ac.uk/id/eprint/439371
ISSN: 0429-7725
PURE UUID: 24bd0a2e-c7a4-44b3-910b-94cf5a4455c0

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Date deposited: 20 Apr 2020 16:30
Last modified: 25 Nov 2021 21:30

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Contributors

Author: Christopher Marsden
Author: F Shankar
Author: Michele Ginolfi
Author: Kastytis Zubovas

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