We present a stellar dynamical mass measurement of a newly detected supermassive black hole (SMBH) at the center of the fastrotating, massive elliptical galaxy NGC 2693 as part of the MASSIVE survey. We combine high signaltonoise ratio integral field spectroscopy (IFS) from the Gemini MultiObject Spectrograph with widefield data from the Mitchell Spectrograph at McDonald Observatory to extract and model stellar kinematics of NGC 2693 from the central ∼150 pc out to ∼2.5 effective radii. Observations from Hubble Space Telescope WFC3 are used to determine the stellar light distribution. We perform fully triaxial Schwarzschild orbit modeling using the latest TriOS code and a Bayesian search in 6D galaxy model parameter space to determine NGC 2693's SMBH mass (
The merger of two galaxies, each hosting a supermassive black hole (SMBH) of mass 10^{6}
 Award ID(s):
 2020265
 Publication Date:
 NSFPAR ID:
 10367314
 Journal Name:
 The Astrophysical Journal
 Volume:
 931
 Issue:
 1
 Page Range or eLocationID:
 Article No. 12
 ISSN:
 0004637X
 Publisher:
 DOI PREFIX: 10.3847
 Sponsoring Org:
 National Science Foundation
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