Stephen E. Zepf

Michigan State University — United States

Physics and Astronomy · Physical Sciences

37h-index5.0kcitations265works0.52yr avg
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Research Topics

Galaxies: Formation, Evolution, Phenomena(136), Astronomy and Astrophysical Research(130), Stellar, planetary, and galactic studies(127), Astrophysical Phenomena and Observations(91), Astrophysics and Star Formation Studies(26)

Publications264 total

Spectral Insights and Evolutionary Pathways of Globular Cluster ULX in NGC 1399: A Two-Decade X-ray and Optical Study
Monthly Notices of the Royal Astronomical Society·2025Open Access
Spectral Insights and Evolutionary Pathways of Globular Cluster ULX in NGC 1399: A Two-Decade X-ray and Optical Study
arXiv (Cornell University)·2025Open Access
An extreme ultra-compact X-ray binary in a globular cluster: multiwavelength observations of RZ 2109 explored in a triple system framework
Monthly Notices of the Royal Astronomical Society·2024· 2 citedOpen Access
Candidate NGC 4649 globular clusters (Table 1)
Figshare·2024Open Access
Resolved objects in the field of NGC 4649 (Table A1)
Swinburne Research Bank (Swinburne University of Technology)·2024Open Access
Is the M81 Fast Radio Burst Host Globular Cluster Special?
The Astrophysical Journal Letters·2023· 1 citedOpen Access
Is the M81 Fast Radio Burst Host Globular Cluster Special?
arXiv (Cornell University)·2023Open Access
The X-ray point source population hosted by globular clusters in the elliptical galaxy NGC 4261
Monthly Notices of the Royal Astronomical Society·2023· 2 citedOpen Access
The X-ray Point Source Population Hosted by Globular Clusters in the Elliptical Galaxy NGC 4261
arXiv (Cornell University)·2023Open Access
Globular cluster ultraluminous X-ray sources in the furthest early-type galaxies
Monthly Notices of the Royal Astronomical Society·2022· 5 citedOpen Access
Optical and X-ray follow-up to a globular cluster ultraluminous X-ray source in NGC 4472
Monthly Notices of the Royal Astronomical Society·2022· 3 cited
Far ultra-violet insights into NGC 1399’s globular cluster population
Monthly Notices of the Royal Astronomical Society·2022· 1 cited
Optical and X-ray Follow-Up to a Globular Cluster Ultraluminous X-ray Source in NGC 4472
arXiv (Cornell University)·2022Open Access
Far Ultra-Violet Insights Into NGC 1399's Globular Cluster Population
arXiv (Cornell University)·2022Open Access
Using machine learning to identify extragalactic globular cluster candidates from ground-based photometric surveys of M87
Monthly Notices of the Royal Astronomical Society·2022Open Access
Ultraluminous X-ray sources in seven edge-on spiral galaxies
Monthly Notices of the Royal Astronomical Society·2021· 5 citedOpen Access
Gemini/GMOS Imaging of Globular Cluster Systems in Five Early-type Galaxies
UNC Libraries·2021Open Access
The globular cluster kinematics and galaxy dark matter content of NGC 3923
UNC Libraries·2021Open Access
Three ultraluminous X-ray sources hosted by globular clusters in NGC 1316
Monthly Notices of the Royal Astronomical Society·2021· 17 citedOpen Access
X-ray spectroscopy of newly identified ULXs associated with M87’s globular cluster population
Monthly Notices of the Royal Astronomical Society·2020· 18 citedOpen Access
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Frequent Co-authors

Arunav Kundu(13), Thomas J. Maccarone(12), Keith Ashman(8), Katherine L. Rhode(8), G. Fabbiano(7), R. M. Sharples(6), N. J. Brassington(6), A. Zezas(6), Anirban Kundu(6), J. S. Gallagher(6), A. R. King(6), Silvia Pellegrini(6), G. Trinchieri(6), Tassos Fragos(5), V. Kalogera(5), L. Angelini(5), Bradley C. Whitmore(4), Terry Bridges(4), Roger L. Davies(4), R. R. de Carvalho(4)