Faculty

Institution

Unit

Venue

Aaron Romanowsky

Professor

San Jose State University

Affiliations

College of Science

Department Of Physics And Astronomy

Aaron Romanowsky is a Professor of Astronomy at San Jose State University. His research focuses on extragalactic astronomy, specifically the formation and evolution of dwarf galaxies, ultra-diffuse galaxies, and globular cluster systems. Recent work includes the discovery of a new class of dark matter-free dwarf galaxies and kinematic studies of ultra-compact dwarfs in tidal debris. He has been awarded major NSF grants, including for research on dark matter in galaxy halos and the origins of ultra-diffuse galaxies.

Honors

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Aaron Romanowsky

San Jose State University

Professor

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astronomy observational astronomy extragalactic astronomy galaxy formation and evolution high-energy astrophysics stellar astrophysics astrophysics planetary sciences globular clusters galaxy formation early-type galaxies lunar science relativistic astrophysics dark matter stellar evolution astronomical image analysis stellar populations physics high energy density physics planetary change ultra-diffuse galaxies synchrotron radiation modern physics acta astronautica high energy physics stellar kinematics stellar stream space weather scientific data black holes coma cluster globular cluster system planetary nebulae theoretical physics astrostatistics stellar structure astroinformatics scientific data management ultracompact dwarfs stellar tidal stream large radii perseus cluster assembly history star pile atomic spectroscopy quantitative science studies astrochemistry general relativity space geodesy astrophysical simulations data retrieval baryonic mass-velocity relation luminosity-velocity relation earth science fuzzy systems atmospheric measurement technique fractals experimental physics nature evaluation function early universe celestial mechanics cluster science astrochronology spectroscopic methods ultrastructure large scale structure space research optical spectroscopy gastronomy colorimetry field observations earth observation data laboratory investigation computational astrophysics astrobiology science advance computational physics galaxy clusters galactic center nature method cosmology observational cosmology supermassive black holes scientific computing astroparticle physics active galactic nucleus antipode dark energy star formation interstellar medium physic education gravitational lens nuclear fusion

Notable Scholarly Works

Notable Federal Grants

Collaborators

A Pearl in the Shell: An Ultra-Compact Dwarf Within the Tidal Debris Surrounding Spiral Galaxy Ngc 7531. Astronomy and Astrophysics (2026)

Kinematically Cold and Warm Planetary Nebulae Samples, Hii Regions and Supernovae Remnants in the Disc of the Face-on Spiral Galaxy Ngc 628 (M74) - the Planetary Nebulae Spectrograph With the Hα Arm. Frontiers in Astronomy and Space Sciences (2026)

A Comprehensive Look at Pudg-R21: Stellar Population and Kinematics of a Globular Cluster-Rich Ultra-Diffuse Galaxy in the Perseus Cluster. Monthly Notices of the Royal Astronomical Society (2025)

extragalactic astronomyastronomyphysicshigh energy density physicsplanetary sciencesgalactic centergalaxy clustersplanetary changehigh energy physicsmodern physicsacta astronauticastellar evolutiongalaxy formation and evolutionsynchrotron radiationatomic spectroscopyglobular clustersstellar astrophysics

A New Class of Dark Matter-Free Dwarf Galaxies?. Astronomy and Astrophysics (2025)

A New Class of Dark Matter-Free Dwarf Galaxies? I. Clues From Fcc 224, Ngc 1052-Df2 and Ngc 1052-Df4. arXiv (Cornell University) (2025)

An Unexplained Origin for the Unusual Globular Cluster System in the Ultradiffuse Galaxy Fcc 224. The Astrophysical Journal (2025)

physicshigh energy density physicsgalaxy formationgalaxy clustersgalaxy formation and evolutionglobular clusters

A Stellar Stream Around the Spiral Galaxy Messier 61 in Rubin First Look Imaging. Research Notes of the AAS (2025)

Candidate Dark Galaxy-2: Validation and Analysis of an Almost Dark Galaxy in the Perseus Cluster. The Astrophysical Journal Letters (2025)

dark matterastronomyastrophysical simulationshigh energy density physicsgalaxy formationastrophysicsgalaxy formation and evolution

Discovery of Two Ultra-Diffuse Galaxies With Unusually Bright Globular Cluster Luminosity Functions via a Mark-Dependently Thinned Point Process (Mathpop). The Astrophysical Journal (2025)

Investigating the Ultra-Diffuse Galaxy Ngc5846_Udg1 Through the Kinematics of Its Rich Globular Cluster System. Monthly Notices of the Royal Astronomical Society (2025)

extragalactic astronomyastronomyhigh energy density physicsgalaxy formationgalactic centergalaxy clustersastrophysicsgalaxy formation and evolutionglobular clusters

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Aaron Romanowsky

Professor

San Jose State University

Affiliations

College of Science

Department Of Physics And Astronomy

Honors

Create free account to unlock more features

Experiences

Create free account to unlock more features

Education

Create free account to unlock more features

Aaron Romanowsky

San Jose State University

Professor

You can click a keyword to filter the displayed items

Notable Scholarly Works

Notable Federal Grants

Collaborators

A Pearl in the Shell: An Ultra-Compact Dwarf Within the Tidal Debris Surrounding Spiral Galaxy Ngc 7531. Astronomy and Astrophysics (2026)

A Comprehensive Look at Pudg-R21: Stellar Population and Kinematics of a Globular Cluster-Rich Ultra-Diffuse Galaxy in the Perseus Cluster. Monthly Notices of the Royal Astronomical Society (2025)

A New Class of Dark Matter-Free Dwarf Galaxies?. Astronomy and Astrophysics (2025)

A New Class of Dark Matter-Free Dwarf Galaxies? I. Clues From Fcc 224, Ngc 1052-Df2 and Ngc 1052-Df4. arXiv (Cornell University) (2025)

An Unexplained Origin for the Unusual Globular Cluster System in the Ultradiffuse Galaxy Fcc 224. The Astrophysical Journal (2025)

physicshigh energy density physicsgalaxy formationgalaxy clustersgalaxy formation and evolutionglobular clusters

A Stellar Stream Around the Spiral Galaxy Messier 61 in Rubin First Look Imaging. Research Notes of the AAS (2025)

Candidate Dark Galaxy-2: Validation and Analysis of an Almost Dark Galaxy in the Perseus Cluster. The Astrophysical Journal Letters (2025)

dark matterastronomyastrophysical simulationshigh energy density physicsgalaxy formationastrophysicsgalaxy formation and evolution

Discovery of Two Ultra-Diffuse Galaxies With Unusually Bright Globular Cluster Luminosity Functions via a Mark-Dependently Thinned Point Process (Mathpop). The Astrophysical Journal (2025)

Investigating the Ultra-Diffuse Galaxy Ngc5846_Udg1 Through the Kinematics of Its Rich Globular Cluster System. Monthly Notices of the Royal Astronomical Society (2025)

extragalactic astronomyastronomyhigh energy density physicsgalaxy formationgalactic centergalaxy clustersastrophysicsgalaxy formation and evolutionglobular clusters

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5
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