activity
20102025
most citedPopulation Properties of Brown Dwarf Analogs to Exoplanets

269 citations · 1.7k across the 46 of their papers we have counts for

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astro-ph.GA2025

Active Dwarf Galaxy Database II: Connections between Host Galaxy Properties and Black Hole Accretion Signatures

Erik J. Wasleske, Vivienne F. Baldassare, Christopher M. Carroll

We investigate the connection between accretion signatures and host galaxy properties in the context of how active dwarf galaxies are identified. We use the database constructed in…

astro-ph.GA2025

Central Massive Black Holes Are Not Ubiquitous in Local Low-Mass Galaxies

Fan Zou, Elena Gallo, Anil C. Seth +13

The black-hole occupation fraction () defines the fraction of galaxies that harbor central massive black holes (MBHs), irrespective of their accretion activity leve…

astro-ph.GA2025

A JWST View of the Overmassive Black Hole in NGC 4486B

Behzad Tahmasebzadeh, Matthew A. Taylor, Monica Valluri +19

We present a new stellar dynamical measurement of the supermassive black hole (SMBH) in the compact elliptical galaxy NGC 4486B, based on integral field spectroscopy with JWST/NIRS…

astro-ph.GA2025

A Large-Scale Search for Photometrically Variable AGNs in Dwarf Galaxies Using the Young Supernova Experiment

Alexander Messick, Vivienne Baldassare, David O. Jones +12

We conduct an analysis of over 60,000 dwarf galaxies (7<=log(M_*/M_\odot)<=10) in search of photometric variability indicative of active galactic nuclei (AGNs). Using data from the…

astro-ph.GA2025

A Supermassive Black Hole in a Diminutive Ultra-compact Dwarf Galaxy Discovered with JWST/NIRSpec+IFU

Matthew A. Taylor, Behzad Tahmasebzadeh, Solveig Thompson +18

The integral-field unit mode of the Near-Infrared Spectrograph (NIRSpec+IFU) mounted on the James Webb Space Telescope has now enabled kinematic studies of smaller and less massive…

astro-ph.GA2025★ 2 cited

The Morphology of Dwarf Galaxies Hosting Variable Active Galactic Nuclei

Erin Kimbro, Vivienne Baldassare, Guy Worthey +2

We analyze Hubble Space Telescope (HST) optical imaging of eight low-mass galaxies hosting active galactic nuclei (AGN) identified via their photometric variability in \cite{baldas…