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The Effect of Spatial Gradients in Stellar Mass-to-Light Ratio on Black Hole Mass Measurements
Nicholas J. McConnell, Shi-Fan S. Chen, Chung-Pei Ma +3
We have tested the effect of spatial gradients in stellar mass-to-light ratio (Y) on measurements of black hole masses (MBH) derived from stellar orbit superposition models. Such m…
Revisiting the Scaling Relations of Black Hole Masses and Host Galaxy Properties
Nicholas J. McConnell, Chung-Pei Ma
New kinematic data and modeling efforts in the past few years have substantially expanded and revised dynamical measurements of black hole masses (Mbh) at the centers of nearby gal…
Dynamical Measurements of Black Hole Masses in Four Brightest Cluster Galaxies at 100 Mpc
Nicholas J. McConnell, Chung-Pei Ma, Jeremy D. Murphy +5
We present stellar kinematics and orbit superposition models for the central regions of four Brightest Cluster Galaxies (BCGs), based upon integral-field spectroscopy at Gemini, Ke…
Two ten-billion-solar-mass black holes at the centres of giant elliptical galaxies
Nicholas J. McConnell, Chung-Pei Ma, Karl Gebhardt +5
Observational work conducted over the last few decades indicates that all massive galaxies have supermassive black holes at their centres. Although the luminosities and brightness…
The Black Hole Mass in Brightest Cluster Galaxy NGC 6086
Nicholas J. McConnell, Chung-Pei Ma, James R. Graham +4
We present the first direct measurement of the central black hole mass, M_BH, in NGC 6086, the Brightest Cluster Galaxy (BCG) in Abell 2162. Our investigation demonstrates for the…