WISDOM Project - III: Molecular gas measurement of the supermassive black hole mass in the barred lenticular galaxy NGC4429

Abstract

As part of the mm-Wave Interferometric Survey of Dark Object Masses (WISDOM) project we present an estimate of the mass of the supermassive black hole (SMBH) in the nearby fast-rotating early-type galaxy NGC4429, that is barred and has a boxy/peanut-shaped bulge. This estimate is based on Atacama Large Millimeter/submillimeter Array (ALMA) cycle-2 observations of the 12CO(3-2) emission line with a linear resolution of ~13 pc (0"18x0"14). NGC4429 has a relaxed, flocculent nuclear disc of molecular gas that is truncated at small radii, likely due to the combined effects of gas stability and tidal shear. The warm/dense 12CO(3-2) emitting gas is confined to the inner parts of this disc, likely again because the gas becomes more stable at larger radii, preventing star formation. The gas disc has a low velocity dispersion of 2.2${}_{-0.65}^{+0.68}$ km/s. Despite the inner truncation of the gas disc, we are able to model the kinematics of the gas and estimate a mass of (1.5$\pm 0.1_{-0.35}^{+0.15}$)$\times$10${}^8$ Msun for the SMBH in NGC4429 (where the quoted uncertainties reflect the random and systematic uncertainties, respectively), consistent with a previous upper limit set using ionised gas kinematics. We confirm that the V-band mass-to-light ratio changes by ~30% within the inner 400 pc of NGC4429, as suggested by other authors. This SMBH mass measurement based on molecular gas kinematics, the sixth presented in the literature, once again demonstrates the power of ALMA to constrain SMBH masses.

18 pages, 16 figures, accepted by MNRAS

References in corpus (18)

• Direct cosmological simulations of the growth of black holes and galaxies
• Measuring the inclination and mass-to-light ratio of axisymmetric galaxies via anisotropic Jeans models of stellar kinematics
• Unification of the Fundamental Plane and Super-Massive Black Holes Masses
• ALMA Reveals the Molecular Medium Fueling the Nearest Nuclear Starburst
• The ATLAS3D Project - XXVIII. Dynamically-driven star formation suppression in early-type galaxies
• The central parsecs of Centaurus A: High Excitation Gas, a Molecular Disk, and the Mass of the Black Hole
• The mass of the black hole in Centaurus A from SINFONI AO-assisted integral-field observations of stellar kinematics
• A Portrait of Cold Gas in Galaxies at 60pc Resolution and a Simple Method to Test Hypotheses That Link Small-Scale ISM Structure to Galaxy-Scale Processes
• A black-hole mass measurement from molecular gas kinematics in NGC4526
• WISDOM Project - II: Molecular gas measurement of the supermassive black hole mass in NGC4697
• Giant Molecular Clouds in the Early-Type Galaxy NGC4526
• WISDOM Project - I: Black Hole Mass Measurement Using Molecular Gas Kinematics in NGC 3665
• A Measurement of the Black-Hole Mass in NGC 1097 using ALMA
• Spatially resolved variations of the IMF mass normalisation in early-type galaxies as probed by molecular gas kinematics
• A figure of merit for black hole mass measurements with molecular gas
• Observable Properties of Double-Barred Galaxies in N-Body Simulations
• Black hole mass measurement using molecular gas kinematics: what ALMA can do
• Prospects for Measuring the Mass of Black Holes at High Redshifts with Resolved Kinematics Using Gravitational Lensing

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