271 papers found
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Hubble Space Telescopespectroscopic Observations of the Narrow-Line Region in Nearby Low-Luminosity Active Galactic Nuclei
Nuclear Activity in Nearby Galaxies
Low-Mass Seyfert 2 Galaxies in the Sloan Digital Sky Survey
An Offset Seyfert 2 Nucleus in the Minor Merger System NGC 3341
An Accreting Black Hole in the Nuclear Star Cluster of the Bulgeless Galaxy NGC 1042
A New HiSurvey of Active Galaxies
Properties of Active Galaxies Deduced from HiObservations
The Black Hole Mass and Extreme Orbital Structure in NGC 1399
Gravitational Stability of Circumnuclear Disks in Elliptical Galaxies
The Centers of Early‐Type Galaxies withHubble Space Telescope. VI. Bimodal Central Surface Brightness Profiles
An accreting black hole in the nucleus of the bulgeless galaxy NGC 1042
The Masses of Nuclear Black Holes in Luminous Elliptical Galaxies and Implications for the Space Density of the Most Massive Black Holes
The Host Galaxy of the Quasar HE 0450−2958
The Survey of Nearby Nuclei with the Space Telescope Imaging Spectrograph: Emission‐Line Nuclei atHubble Space TelescopeResolution
Nuclear Star Clusters (Nuclei) in Spirals and Connection to Supermassive Black Holes
The AGN Population in Nearby Galaxies
The smallest AGN host galaxies
Multiwavelength Monitoring of the Dwarf Seyfert 1 Galaxy NGC 4395. III. Optical Variability and X‐Ray/UV/Optical Correlations
Hubble Space TelescopeSTIS Spectra of Nuclear Star Clusters in Spiral Galaxies: Dependence of Age and Mass on Hubble Type
Constraining Dark Matter Halo Profiles and Galaxy Formation Models Using Spiral Arm Morphology. I. Method Outline
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