SZ
Stephen E. Zepf
astro-phastro-ph.HEastro-ph.GAastro-ph.COastro-ph.SRastro-ph.IMgr-qc
On Valency
published · living versionsW_bxncbkxd·v1 · currentpublished
Discovery of a transient ultraluminous X-ray source in the elliptical galaxy M86
with Lennart M. van Haaften, Thomas J. Maccarone, Katherine L. Rhode, Arunav Kundu
1 version
Preprints & journals
92 papers in the corpus · 1995–2025The Advanced X-ray Imaging Satellite (AXIS) Community Science Book2511.00253v2 · Michael Koss, Nafisa Aftab, Steven W. Allen et al.2025 · 3 citationsarXiv
Spectral Insights and Evolutionary Pathways of Globular Cluster ULX in NGC 1399: A Two-Decade X-ray and Optical Study2501.18779v1 · Kwangmin Oh, Kristen C. Dage, Alexey Bobrick et al.2025 · 1 citationarXiv
An Extreme Ultra-Compact X-ray Binary in a Globular Cluster: Multi-Wavelength Observations of RZ2109 Explored in a Triple System Framework2403.09525v1 · Kristen C. Dage, Arash Bahramian, Smadar Naoz et al.2024 · 4 citations2024MNRAS.tmp..625D
Is the M81 Fast Radio Burst Host Globular Cluster Special?2310.10328v1 · Kristen C. Dage, Arash Bahramian, Clancy W. James et al.2023 · 2 citationsarXiv
The X-ray Point Source Population Hosted by Globular Clusters in the Elliptical Galaxy NGC 42612306.11948v1 · Sneha Nair, Kristen Dage, Daryl Haggard et al.2023 · 2 citationsarXiv
Globular Cluster Ultraluminous X-ray Sources in the Furthest Early-Type Galaxies2211.07699v1 · E. Thygesen, Y. Sun, J. Huang et al.2022 · 6 citationsarXiv
Optical and X-ray Follow-Up to a Globular Cluster Ultraluminous X-ray Source in NGC 44722210.16331v1 · Wasundara R. Athukoralalage, Kristen C. Dage, Stephen E. Zepf et al.2022 · 3 citationsarXiv
Far Ultra-Violet Insights Into NGC 1399's Globular Cluster Population2210.14637v1 · Kristen C. Dage, Yifan Sun, Arunav Kundu et al.2022 · 2 citationsarXiv
Using Machine Learning to Identify Extragalactic Globular Cluster Candidates from Ground-Based Photometric Surveys of M872205.09280v1 · Emilia Barbisan, Jeff Huang, Kristen C. Dage et al.2022 · 4 citationsarXiv
Ultraluminous X-ray Sources in Seven Edge-On Spiral Galaxies2109.14407v1 · Kristen C. Dage, Noah Vowell, Erica Thygesen et al.2021 · 6 citationsarXiv
Three Ultraluminous X-ray Sources Hosted by Globular Clusters in NGC 13162103.16576v1 · Kristen C. Dage, Arunav Kundu, Erica Thygesen et al.2021 · 17 citationsarXiv
X-Ray Spectroscopy of Newly Identified ULXs Associated With M87's Globular Cluster Population2007.00671v1 · Kristen C. Dage, Stephen E. Zepf, Erica Thygesen et al.2020 · 19 citationsarXiv
Slow Decline and Rise of the Broad [OIII] Emission Line in Globular Cluster Black Hole Candidate RZ21091909.02683v1 · Kristen C. Dage, Stephen E. Zepf, Arash Bahramian et al.2019 · 10 citationsarXiv
Multiwavelength survey of X-ray sources in the Sculptor Dwarf Spheroidal Galaxy1902.08635v1 · R. M. Arnason, P. Barmby, A. Bahramian et al.2019 · 3 citationsMNRAS 485 (2019) 2259-2275
X-Ray Spectral Variability of Ultraluminous X-Ray Sources in Extragalactic Globular Clusters1902.05073v2 · Kristen C. Dage, Stephen E. Zepf, Mark B. Peacock et al.2019 · 28 citationsarXiv
Discovery of a transient ultraluminous X-ray source in the elliptical galaxy M861811.10595v2 · Lennart M. van Haaften, Thomas J. Maccarone, Katherine L. Rhode et al.2018 · 19 citationsMonthly Notices of the Royal Astronomical Society, Volume 483, Issue 3, 1 March 2019, Pages 3566-3573on Valency
Hubble Space Telescope FUV observations of M31's globular clusters suggest a spatially homogeneous helium-enriched sub population1809.02626v1 · Mark Peacock, Stephen Zepf, Thomas Maccarone et al.2018 · 8 citationsarXiv
Deep Chandra observations of NGC~7457, the X-ray point source populations of a low mass early-type galaxy1701.00482v1 · Mark B. Peacock, Stephen E. Zepf, Arunav Kundu et al.2017 · 7 citationsarXiv
Testing the Universality of the Stellar IMF with Chandra and HST1612.05189v1 · D. A. Coulter, B. D. Lehmer, R. T. Eufrasio et al.2016 · 12 citationsarXiv
Globular clusters in the far-ultraviolet: evidence for He-enriched second populations in extra-galactic globular clusters?1609.04819v1 · Mark B. Peacock, Stephen E. Zepf, Arunav Kundu et al.2016 · 17 citationsarXiv
The X-ray luminosity function of low mass X-ray binaries in early-type galaxies, their metal-rich, and metal-poor globular clusters1512.06077v1 · Mark B. Peacock, Stephen E. Zepf2015 · 25 citationsarXiv
A SLUGGS and Gemini/GMOS combined study of the elliptical galaxy M60: wide-field photometry and kinematics of the globular cluster system1503.07520v1 · Vincenzo Pota, Jean P. Brodie, Terry Bridges et al.2015 · 24 citationsarXiv
Kinematical fingerprints of star cluster early dynamical evolution1406.3634v1 · Enrico Vesperini, Anna Lisa Varri, Stephen L.W. McMillan et al.2014 · 60 citationsarXiv
The Luminosity Function of Low Mass X-Ray Binaries in the Globular Cluster System of NGC 13991405.0618v1 · Giuseppe D'Ago, Maurizio Paolillo, Giuseppina Fabbiano et al.2014 · 10 citationsA&A 567, A2 (2014)
Composition of an Emission Line System in Black Hole Host Globular Cluster RZ21091403.2784v1 · Matthew M Steele, Stephen E. Zepf, Thomas J. Maccarone et al.2014 · 18 citationsarXiv
Evidence for a constant IMF in early-type galaxies based on their X-ray binary populations1401.3405v2 · Mark B. Peacock, Stephen E. Zepf, Thomas J. Maccarone et al.2014 · 35 citationsarXiv
Signatures of multiple stellar populations in unresolved extragalactic globular/ young massive star clusters1304.0477v1 · Mark B. Peacock, Stephen E. Zepf, Thomas Finzell2013 · 15 citationsarXiv
Spatially resolved spectroscopy of the globular cluster RZ 2109 and the nature of its black hole1209.6253v1 · Mark B. Peacock, Stephen E. Zepf, Arunav Kundu et al.2012 · 17 citationsarXiv
Space-Based UV/Optical Wide-Field Imaging and Spectroscopy: Near-Field Cosmology and Galaxy Evolution Using Globular Clusters in Nearby Galaxies1209.3188v1 · Paul Goudfrooij, Jean Brodie, Rupali Chandar et al.2012 · 0 citationsarXiv
Limits on [OIII] 5007 emission from NGC4472's globular clusters: constraints on planetary nebulae and ultraluminous black hole X-ray binaries in globular clusters1204.5800v1 · Mark B. Peacock, Stephen E. Zepf, Thomas J. Maccarone2012 · 14 citationsarXiv
Globular Cluster Systems of Early-type Galaxies in Low-density Environments1204.1054v1 · J. Cho, R.M. Sharples, J.P. Blakeslee et al.2012 · 35 citationsarXiv
The Globular Cluster Kinematics and Galaxy Dark Matter Content of NGC 39231201.0996v1 · Mark A. Norris, Karl Gebhardt, Ray M. Sharples et al.2012 · 38 citationsarXiv
Probing the GC-LMXB connection in NGC 1399: a wide-field study with HST and Chandra1105.2561v1 · Maurizio Paolillo, Thomas H. Puzia, Paul Goudfrooij et al.2011 · 59 citationsarXiv
Gemini/GMOS Imaging of Globular Cluster Systems in Five Early-type Galaxies1105.1755v1 · Favio R. Faifer, Juan C. Forte, Mark A. Norris et al.2011 · 78 citationsarXiv
Field and Globular Cluster LMXBs in NGC 42781010.3964v1 · G. Fabbiano, N. J. Brassington, L. Lentati et al.2010 · 24 citationsarXiv
Fading of the X-ray flux from the black hole in the NGC 4472 globular cluster RZ 21091009.2827v1 · Thomas J. Maccarone (Southampton), Arunav Kundu, Stephen E. Zepf et al.2010 · 26 citationsarXiv
A new globular cluster black hole in NGC 44721008.2896v1 · Thomas J. Maccarone, Arunav Kundu, Stephen E. Zepf et al.2010 · 45 citationsarXiv
Probing the Low Mass X-ray Binaries/Globular Cluster connection in NGC13991007.0990v1 · M. Paolillo, T. Puzia, S. E. Zepf et al.2010 · 0 citationsarXiv
A systematic study of low mass X-ray binaries in the M31 globular cluster system1006.0449v1 · Mark B. Peacock, Thomas J. Maccarone, Arunav Kundu et al.2010 · 31 citationsarXiv
Shrinking the Braneworld: Black Hole in a Globular Cluster0906.5351v1 · Oleg Y. Gnedin, Thomas J. Maccarone, Dimitrios Psaltis et al.2009 · 26 citationsAstrophys.J.705:L168-L171,2009
Comparing GC and Field LMXBs in Elliptical Galaxies with deep Chandra and Hubble data0902.2343v2 · D.-W. Kim, G. Fabbiano, N. J. Brassington et al.2009 · 72 citationsAstrophys.J.703:829-844,2009
Deep Chandra Monitoring Observations of NGC 4278: Catalog of Source Properties0902.1652v1 · N. J. Brassington, G. Fabbiano, D.-W. Kim et al.2009 · 37 citationsarXiv
Transient Low-Mass X-Ray Binary Populations in Elliptical Galaxies NGC 3379 and NGC 42780901.3934v1 · T. Fragos, V. Kalogera, B. Willems et al.2009 · 38 citationsAstrophys.J.702:L143-L147,2009
WFCAM Survey of M31 Globular Clusters: Low Mass X-ray Binaries0811.0275v1 · Mark B. Peacock, Thomas J. Maccarone, Christopher Z. Waters et al.2008 · 31 citationsarXiv
Color Bimodality in M87 Globular Clusters0811.0391v1 · Christopher Z. Waters, Stephen E. Zepf, Tod R. Lauer et al.2008 · 27 citationsAstrophys.J.693:463-471,2009
Low Mass X-ray Binaries and Black Holes in Globular Clusters0808.1053v1 · Arunav Kundu, Thomas J. Maccarone, Stephen E. Zepf et al.2008 · 0 citationsarXiv
Discovery of Hot Gas in Outflow in NGC33790807.4615v1 · G. Trinchieri, S. Pellegrini, G. Fabbiano et al.2008 · 32 citationsarXiv
Very Broad [O III]4959,5007 Emission from the NGC 4472 Globular Cluster RZ2109 and Implications for the Mass of Its Black Hole X-ray Source0805.2952v2 · Stephen E. Zepf, Daniel Stern, Thomas J. Maccarone et al.2008 · 59 citationsarXiv
Multi-epoch spectroscopy of the globular cluster black hole in NGC 44720802.4238v1 · I. C. Shih, T. J. Maccarone, A. Kundu et al.2008 · 12 citationsarXiv
Observational Constraints on the Formation and Evolution of Globular Cluster Systems0802.2113v1 · Stephen E. Zepf2008 · 0 citationsarXiv
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