A Breakdown of the Black Hole-Bulge Mass Relation in Local Active Galaxies
Astrophysical Journal, ISSN: 1538-4357, Vol: 971, Issue: 2
2024
- 2Citations
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Article Description
We investigate the relation between black hole (BH) mass and bulge stellar mass for a sample of 117 local (z ∼ 0) galaxies hosting low-luminosity, broad-line active galactic nuclei (AGNs). Our sample comes from Reines & Volonteri, who found that, for a given total stellar mass, these AGNs have BH masses more than an order of magnitude smaller than those in early-type galaxies with quiescent BHs. Here, we aim to determine whether or not this AGN sample falls on the canonical BH-to-bulge mass relation by utilizing bulge-disk decompositions and determining bulge stellar masses using color-dependent mass-to-light ratios. We find that our AGN sample remains offset by more than an order of magnitude from the M -M relation defined by early-type galaxies with dynamically detected BHs. We caution that using canonical BH-to-bulge mass relations for galaxies other than ellipticals and bulge-dominated systems may lead to highly biased interpretations. This work bears directly on predictions for gravitational-wave detections and cosmological simulations that are tied to the local BH-to-bulge mass relations.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85201624860&origin=inward; http://dx.doi.org/10.3847/1538-4357/ad55e6; https://iopscience.iop.org/article/10.3847/1538-4357/ad55e6; https://dx.doi.org/10.3847/1538-4357/ad55e6; https://validate.perfdrive.com/9730847aceed30627ebd520e46ee70b2/?ssa=ef3dbd05-1bcf-43a3-a034-c0cec48708ca&ssb=32094237244&ssc=https%3A%2F%2Fiopscience.iop.org%2Farticle%2F10.3847%2F1538-4357%2Fad55e6&ssi=a8bf6254-cnvj-45e6-acde-4dd571e3df1d&ssk=botmanager_support@radware.com&ssm=2667108684147208969880287481413763&ssn=353d5860b1e5c69035a5aa28315244c6d7cabfa5c2a5-3bc8-4051-87bc3e&sso=a3f4c2ef-1734209401ae8b9d70241f378c4d9cc8da58fffedde00123&ssp=81464398761724695806172475676633382&ssq=34373689823444267376497749605519196202536&ssr=MzQuMjM2LjI2LjMx&sst=com.plumanalytics&ssu=&ssv=&ssw=&ssx=eyJyZCI6ImlvcC5vcmciLCJ1em14IjoiN2Y5MDAwYTllZjBmODctYmM5ZS00OThiLTkxZTktNjUxY2FjY2VmOWI4Mi0xNzI0Njk3NzQ5MTgwMTAwNDg1MjM0LTFkY2ZlNjg2MGRhYTkxOTQ2OTg1IiwiX191em1mIjoiN2Y2MDAwZDVlMDJkYjgtMTBmZS00NmVlLWJmMzAtODNmMTE3MDE4MDVlMTcyNDY5Nzc0OTE4MDEwMDQ4NTIzNC1lOWJkZmU5NDY0MDg3MmQzNjk4OCJ9
American Astronomical Society
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