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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/29739
Title: The fundamental relation between supermassive black holes and their host galaxies
Authors: de Nicola, Stefano
Marconi, Alessandro 
Longo, Giuseppe
Issue Date: 2019
Journal: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 
Number: 490
Issue: 1
First Page: 600
Abstract: We study the correlations between supermassive black holes (BHs) and their host galaxies, using a sample of 83 BH masses collected from the most recent and reliable spatially resolved estimates available from the literature. We confirm the mono- and bivariate correlations between SMBHs and the bulges of their host galaxies, confirming that the correlation with the effective velocity dispersion is not significantly improved by higher dimensionality. Instead, pseudo-bulges do not seem to correlate with their SMBHs, probably because their secular evolution is often unable to trigger accretion onto the central BH. We then present a novel approach aimed at finding the fundamental relation between SMBHs and their host galaxies. For the first time, we analytically combine BH masses with the Fundamental Plane (FP), showing that M<SUB>BH</SUB>-σ<SUB>e</SUB> appears to be the fundamental relation rather than a putative `BH Fundamental Plane' of the kind M<SUB>BH</SUB>-σ<SUB>e</SUB>-R<SUB>e</SUB>. These results can be explained by a picture which sees the M<SUB>BH</SUB>-σ<SUB>e</SUB> relation as a natural outcome of the change in AGN feedback from momentum-driven to energy-driven. The other scaling relations are then established through the FP.
URI: http://hdl.handle.net/20.500.12386/29739
URL: https://academic.oup.com/mnras/article/490/1/600/5561515
ISSN: 0035-8711
DOI: 10.1093/mnras/stz2472
Bibcode ADS: 2019MNRAS.490..600D
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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