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Gas-dynamical Mass Measurements of the Supermassive Black Holes in the Early-Type Galaxies NGC 4786 and NGC 5193 from ALMA and HST Observations
Kyle M. Kabasares, Jonathan H. Cohn, Aaron J. Barth +10
We present molecular gas-dynamical mass measurements of the central black holes in the giant elliptical galaxies NGC 4786 and NGC 5193, based on CO(21) observations from the Ata…
ALMA gas-dynamical mass measurement of the supermassive black hole in the red nugget relic galaxy PGC 11179
Jonathan H. Cohn, Maeve Curliss, Jonelle L. Walsh +10
We present 0-resolution Atacama Large Millimeter/submillimeter Array (ALMA) observations of CO(21) emission from the circumnuclear gas disk in the red nu…
A rest-frame near-IR study of clumps in galaxies at 1 < z < 2 using JWST/NIRCam: connection to galaxy bulges
Boris S. Kalita, John D. Silverman, Emanuele Daddi +4
A key question in galaxy evolution has been the importance of the apparent `clumpiness' of high redshift galaxies. Until now, this property has been primarily investigated in rest-…
The Baryonic Tully-Fisher Relationship for SG Galaxies and the "Condensed" Baryon Fraction of Galaxies
Dennis Zaritsky, Helene Courtois, Juan-Carlos Muñoz-Mateos +20
We combine data from the Spitzer Survey for Stellar Structure in Galaxies (SG), a recently calibrated empirical stellar mass estimator from Eskew et al., and an extensive datab…
A Uniformly Selected Sample of Low-mass Black Holes in Seyfert 1 Galaxies
Xiao-Bo Dong, Luis C. Ho, Weimin Yuan +4
We have conducted a systematic search of low-mass black holes (BHs) in active galactic nuclei (AGNs) with broad Halpha emission lines, aiming at building a homogeneous sample that…
Chandra Observations of the Nuclear Star Cluster and Ultraluminous X-ray Sources in NGC 2139
Joseph C. Shields, Torsten Boeker, Luis C. Ho +3
We report Chandra observations of the Scd galaxy NGC 2139, which is known to host a recently formed (10^7.6 yrs) nuclear star cluster. The star cluster is undetected in X-rays, wit…