selected scholarly activity
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chapters
- The old globular clusters: Or, life among the ruins. 208-214. 2006
- An Overview of Globular Cluster Systems in Distant Galaxies. 237-250. 1988
- New Main-Sequence Luminosity Functions for Globular Clusters. 485-486. 1988
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conferences
- Young, old, massive: Steps to understanding globular cluster formation. Proceedings of the International Astronomical Union. 3-12. 2019
- Tracing the Galactic Halo: Obtaining Bayesian mass estimates of the Galaxy in the presence of incomplete data. Proceedings of the International Astronomical Union. 296-297. 2015
- Globular Cluster Sizes and Metallicity. FIFTY YEARS OF WIDE FIELD STUDIES IN THE SOUTHERN HEMISPHERE: RESOLVED STELLAR POPULATIONS OF THE GALACTIC BULGE AND MAGELLANIC CLOUDS. 128-133. 2015
- A new era for the globular cluster system in M31. Proceedings of the International Astronomical Union. 117-122. 2009
- Globular Cluster Systems in Giant Ellipticals: New and Old Patterns. ESO Astrophysics Symposia. 253-261. 2009
- Structural Parameters from Ground-based Observations of Globular Clusters in NGC 5128. ESO Astrophysics Symposia. 301-302. 2009
- The Surprisingly Abnormal Halo of the “Normal” Elliptical Galaxy, NGC 3379. Astrophysics and Space Science Proceedings. 159-162. 2008
- Discovery of new globular clusters in the andromeda galaxy (M31). Astronomical Society of the Pacific Conference Series. 286-+. 2007
- Globular Clusters in M31 and the Local Group. ESO Astrophysics Symposia. 41-43. 2007
- Spectroscopic study of the globular clusters in M31. Revista Mexicana de Astronomia y Astrofisica: Serie de Conferencias. 104-+. 2007
- The Globular Cluster System of NGC 5128. Proceedings of the International Astronomical Union. 440-444. 2006
- A Semi-Analytic Approach to Understanding the Bimodality of GCs in the Milky Way & M31. Proceedings of the International Astronomical Union. 132-132. 2006
- Globular Clusters in NGC 5128: The IMACS survey. Proceedings of the International Astronomical Union. 121-121. 2006
- The old globular clusters: Or, life among the ruins. Local Group as an Astrophysical Laboratory. 208-214. 2006
- Globular clusters: The view from HST. DECADE OF HUBBLE SPACE TELESCOPE SCIENCE. 78-100. 2003
- Issues in E Galaxy Formation: Many Problems, Few Solutions. ESO Astrophysics Symposia. 317-328. 2003
- Uncovering the NGC 5128 Globular Cluster System. ESO Astrophysics Symposia. 113-116. 2003
- Cluster mass and metallicity distributions: Reconstructing the events during halo formation. Iau Symposia. 545-554. 2002
- Conference summary. Iau Symposia. 755-762. 2002
- Deep wide-field photometry of the NGC 5128 globular cluster system: A progress report. Iau Symposia. 309-311. 2002
- New CCD Survey of Globular Clusters in M31. Iau Symposia. 46-51. 2002
- Search methods for globular cluster candidates in M31. Iau Symposia. 146-148. 2002
- Globular Cluster Systems. STAR CLUSTERS. 223-408. 2001
- HST Observations of the Globular Cluster M4. Iau Symposia. 39-48. 1996
- Searches for Binary Stars in Globular Clusters. Iau Symposia. 193-202. 1996
- The Formation of Globular Cluster Systems: how, when, and where?. Iau Symposia. 87-95. 1996
- The globular cluster - Halo connection in galaxies. FORMATION OF THE GALACTIC HALO....INSIDE AND OUT. 231-240. 1996
- Globular cluster systems in other galaxies. Iau Symposia. 85-95. 1995
- A MAXIMUM-LIKELIHOOD ANALYSIS OF GLOBULAR-CLUSTER LUMINOSITY FUNCTIONS. GLOBULAR CLUSTER-GALAXY CONNECTION. 584-587. 1993
- DEEP CCD PHOTOMETRY OF THE GLOBULAR-CLUSTER M15. GLOBULAR CLUSTER-GALAXY CONNECTION. 91-94. 1993
- GLOBULAR-CLUSTER SYSTEMS IN 3 CD GALAXIES. GLOBULAR CLUSTER-GALAXY CONNECTION. 572-575. 1993
- PHOTOMETRIC PROPERTIES OF CLUSTER SYSTEMS IN LARGE GALAXIES. GLOBULAR CLUSTER-GALAXY CONNECTION. 472-482. 1993
- Inferences from a color-magnitude diagram for 47 Tucanae.. Publications of the Astronomical Society of the Pacific. 1148-1148. 1987
- Mass Functions in the Proto-Galaxy. Publications of the Astronomical Society of the Pacific. 1103-1103. 1986
- CCD photometry to MV +11 in the globular cluster 47 Tucanae.. Publications of the Astronomical Society of the Pacific. 789-789. 1984
- A CCD COLOR-MAGNITUDE DIAGRAM TO V = 25 FOR THE METAL-RICH GLOBULAR-CLUSTER 47-TUC. Journal of the Royal Astronomical Society of Canada. 201-201. 1984
- GLOBULAR-CLUSTER SYSTEMS IN 2 FIELD GALAXIES. Journal of the Royal Astronomical Society of Canada. 258-258. 1983
- THE GLOBULAR-CLUSTER SYSTEM IN NGC-4594 (THE SOMBRERO GALAXY). Journal of the Royal Astronomical Society of Canada. 254-255. 1983
- A PRELIMINARY COLOR-MAGNITUDE DIAGRAM FOR LEO-II. Journal of the Royal Astronomical Society of Canada. 318-318. 1982
- GLOBULAR-CLUSTERS AND GALAXY MERGERS. Journal of the Royal Astronomical Society of Canada. 248-248. 1981
- PHOTOMETRY TO MAIN-SEQUENCE FOR ANOMALOUS GLOBULAR CLUSTER PALOMAR-12. Journal of the Royal Astronomical Society of Canada. 283-283. 1978
- HYADES-AGE CLUSTER NGC1817. Journal of the Royal Astronomical Society of Canada. 410-410. 1977
- PHOTOELECTRIC UBV PHOTOMETRY IN ANOMALOUS GLOBULAR CLUSTER NGC2808. Journal of the Royal Astronomical Society of Canada. 410-411. 1977
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journal articles
- JWST photometry of globular cluster populations in Abell 2744 at z = 0.3. Monthly Notices of the Royal Astronomical Society. 526:2696-2708. 2023
- The HERBAL Model: A Hierarchical Errors-in-variables Bayesian Lognormal Hurdle Model for Galactic Globular Cluster Populations. The Astrophysical Journal (ApJ). 955:22-22. 2023
- Comparing Globular Cluster System Properties with Host Galaxy Environment*. The Astrophysical Journal (ApJ). 953:154-154. 2023
- Investigating the M GCS–M h Relation in the Most Massive Galaxies. The Astrophysical Journal (ApJ). 950:179-179. 2023
- Orbital Dynamics and Efficacy of Retrobulbar Anesthesia With and Without Hyaluronidase in Vitreoretinal Surgery. Journal of VitreoRetinal Diseases. 7:203-210. 2023
- Early evolution and three-dimensional structure of embedded star clusters. Monthly Notices of the Royal Astronomical Society. 521:1338-1352. 2023
- A Photometric Survey of Globular Cluster Systems in Brightest Cluster Galaxies. Astrophysical Journal Supplement Series. 265:9-9. 2023
- Light from the Darkness: Detecting Ultra-diffuse Galaxies in the Perseus Cluster through Over-densities of Globular Clusters with a Log-Gaussian Cox Process. The Astrophysical Journal (ApJ). 935:3-3. 2022
- Clearing the Hurdle: The Mass of Globular Cluster Systems as a Function of Host Galaxy Mass. The Astrophysical Journal (ApJ). 926:162-162. 2022
- The outermost stellar halo of NGC 5128 (Centaurus A): Radial structure. Astronomy and Astrophysics (A & A). 657:A41-A41. 2022
- Implementing primordial binaries in simulations of star cluster formation with a hybrid MHD and direct N-body method. Monthly Notices of the Royal Astronomical Society. 501:4464-4478. 2021
- Measuring Dark Matter in Galaxies: The Mass Fraction within Five Effective Radii. The Astrophysical Journal (ApJ). 905:28-28. 2020
- Pressure response and life assessment of filament-wound composite pipes after impact. International Journal of Lightweight Materials and Manufacture. 3:365-375. 2020
- Impact Response of Curved Composite Laminates: Effect of Radius and Thickness. Applied Composite Materials. 27:555-573. 2020
- The PIPER Survey. I. An Initial Look at the Intergalactic Globular Cluster Population in the Perseus Cluster. The Astrophysical Journal (ApJ). 890:105-105. 2020
- The Strikingly Metal-rich Halo of the Sombrero Galaxy*. The Astrophysical Journal (ApJ). 890:52-52. 2020
- Globular Cluster Systems and X-Ray Atmospheres in Galaxies*. The Astrophysical Journal (ApJ). 887:259-259. 2019
- On the origin of multiple populations during massive star cluster formation. Monthly Notices of the Royal Astronomical Society. 486:1146-1155. 2019
- New Insights into the Physical Conditions and Internal Structure of a Candidate Proto-globular Cluster. The Astrophysical Journal (ApJ). 874:120-120. 2019
- Transformation of HST WFC3/UVIS Filters to the Standard BVI System. Astronomical Journal. 156:296-296. 2018
- The Large-scale Structure of the Halo of the Andromeda Galaxy. II. Hierarchical Structure in the Pan-Andromeda Archaeological Survey. The Astrophysical Journal (ApJ). 868:55-55. 2018
- Estimating the Milky Way's Mass via Hierarchical Bayes: A Blind Test on MUGS2 Simulated Galaxies. The Astrophysical Journal (ApJ). 865:72-72. 2018
- A universal route for the formation of massive star clusters in giant molecular clouds. Nature Astronomy. 2:725-730. 2018
- Newly discovered Planetary Nebulae population in Andromeda (M31): PN Luminosity function and implications for the late stages of stellar evolution. Proceedings of the International Astronomical Union. 14:201-205. 2018
- A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE). Astronomy and Astrophysics (A & A). 614:A56-A56. 2018
- Simulating the UV escape fractions from molecular cloud populations in star-forming dwarf and spiral galaxies. Monthly Notices of the Royal Astronomical Society. 475:3121-3134. 2018
- Simulating radiative feedback and star cluster formation in GMCs – II. Mass dependence of cloud destruction and cluster properties. Monthly Notices of the Royal Astronomical Society. 470:3346-3358. 2017
- Detection of the Stellar Intracluster Medium in Perseus (Abell 426). The Astrophysical Journal (ApJ). 839:102-102. 2017
- Erratum: “Bayesian Mass Estimates of the Milky Way: Including Measurement Uncertainties with Hierarchical Bayes” (2017, ApJ, 835, 167). The Astrophysical Journal (ApJ). 838:76-76. 2017
- Galactic Dark Matter Halos and Globular Cluster Populations. III. Extension to Extreme Environments. The Astrophysical Journal (ApJ). 836:67-67. 2017
- Bayesian Mass Estimates of the Milky Way: Including Measurement Uncertainties with Hierarchical Bayes. The Astrophysical Journal (ApJ). 835:167-167. 2017
- Globular Clusters as Tracers of Fine Structure in the Dramatic Shell Galaxy NGC 474. The Astrophysical Journal (ApJ). 835:123-123. 2017
- GLOBULAR CLUSTER SYSTEMS IN BRIGHTEST CLUSTER GALAXIES. III. BEYOND BIMODALITY. The Astrophysical Journal (ApJ). 835:101-101. 2017
- BAYESIAN MASS ESTIMATES OF THE MILKY WAY: THE DARK AND LIGHT SIDES OF PARAMETER ASSUMPTIONS. The Astrophysical Journal (ApJ). 829:108-108. 2016
- Simulating radiative feedback and star cluster formation in GMCs – I. Dependence on gravitational boundedness. Monthly Notices of the Royal Astronomical Society. 461:2953-2974. 2016
- Globular cluster scale sizes in giant galaxies: orbital anisotropy and tidally underfilling clusters in M87, NGC 1399 and NGC 5128. Monthly Notices of the Royal Astronomical Society. 460:2129-2142. 2016
- WHERE ARE MOST OF THE GLOBULAR CLUSTERS IN TODAY’S UNIVERSE?. Astronomical Journal. 151:102-102. 2016
- GLOBULAR CLUSTER SYSTEMS IN BRIGHTEST CLUSTER GALAXIES. II. NGC 6166. The Astrophysical Journal (ApJ). 817:58-58. 2016
- Inclusive, prompt and non-prompt J/ψ production at mid-rapidity in Pb-Pb collisions at s N N = 2.76 $$ \sqrt{s_{\mathrm{NN}}}=2.76 $$ TeV. Journal of High Energy Physics (JHEP). 2015. 2015
- DARK MATTER HALOS IN GALAXIES AND GLOBULAR CLUSTER POPULATIONS. II. METALLICITY AND MORPHOLOGY. The Astrophysical Journal (ApJ). 806:36-36. 2015
- ESTIMATING THE GALACTIC MASS PROFILE IN THE PRESENCE OF INCOMPLETE DATA. The Astrophysical Journal (ApJ). 806:54-54. 2015
- Red giants in the outer halo of the elliptical galaxy NGC 5128/Centaurus A. Astronomy and Astrophysics (A & A). 575:A72-A72. 2015
- GLOBULAR CLUSTER SYSTEMS IN BRIGHTEST CLUSTER GALAXIES: A NEAR-UNIVERSAL LUMINOSITY FUNCTION?. The Astrophysical Journal (ApJ). 797:128-128. 2014
- The effects of orbital inclination on the scale size and evolution of tidally filling star clusters. Monthly Notices of the Royal Astronomical Society. 445:1048-1055. 2014
- TRACING THE OUTER HALO IN A GIANT ELLIPTICAL TO 25 R eff. Astrophysical Journal Letters. 791:L2-L2. 2014
- The effect of orbital eccentricity on the dynamical evolution of star clusters. Monthly Notices of the Royal Astronomical Society. 442:1569-1577. 2014
- The pre-processing of subhaloes in SDSS groups and clusters. Monthly Notices of the Royal Astronomical Society. 442:406-418. 2014
- DARK MATTER HALOS IN GALAXIES AND GLOBULAR CLUSTER POPULATIONS. Astrophysical Journal Letters. 787:L5-L5. 2014
- Globular clusters and supermassive black holes in galaxies: further analysis and a larger sample. Monthly Notices of the Royal Astronomical Society. 438:2117-2130. 2014
- Cluster formation in molecular clouds – I. Stellar populations, star formation rates and ionizing radiation. Monthly Notices of the Royal Astronomical Society. 438:1305-1317. 2014
- GLOBULAR CLUSTER SCALE SIZES IN GIANT GALAXIES: THE CASE OF M87 AND THE ROLE OF ORBITAL ANISOTROPY AND TIDAL FILLING. The Astrophysical Journal (ApJ). 779:94-94. 2013
- Do group dynamics play a role in the evolution of member galaxies?. Monthly Notices of the Royal Astronomical Society. 435:1715-1726. 2013
- A CATALOG OF GLOBULAR CLUSTER SYSTEMS: WHAT DETERMINES THE SIZE OF A GALAXY'S GLOBULAR CLUSTER POPULATION?. The Astrophysical Journal (ApJ). 772:82-82. 2013
- THE INFLUENCE OF ORBITAL ECCENTRICITY ON TIDAL RADII OF STAR CLUSTERS. The Astrophysical Journal (ApJ). 764:124-124. 2013
- Unearthing foundations of a cosmic cathedral: searching the stars for M33's halo. Monthly Notices of the Royal Astronomical Society. 428:1248-1262. 2013
- N-body models of globular clusters: metallicities, half-light radii and mass-to-light ratios. Monthly Notices of the Royal Astronomical Society. 427:167-179. 2012
- THE SIZE DIFFERENCE BETWEEN RED AND BLUE GLOBULAR CLUSTERS IS NOT DUE TO PROJECTION EFFECTS. Astrophysical Journal Letters. 759:L39-L39. 2012
- Substructure in the most massive GEEC groups: field-like populations in dynamically active groups. Monthly Notices of the Royal Astronomical Society. 421:3594-3611. 2012
- EIGHT HUNDRED NEW CANDIDATES FOR GLOBULAR CLUSTERS IN NGC 5128 (Centaurus A). Astronomical Journal. 143:84-84. 2012
- THE OBSERVATIONAL AND THEORETICAL TIDAL RADII OF GLOBULAR CLUSTERS IN M87. The Astrophysical Journal (ApJ). 746:93-93. 2012
- ERRATUM: “NEWg′r′i′z′ PHOTOMETRY OF THE NGC 5128 GLOBULAR CLUSTER SYSTEM” (2010, AJ, 140, 2101). Astronomical Journal. 142:65-65. 2011
- THE M33 GLOBULAR CLUSTER SYSTEM WITH PAndAS DATA: THE LAST OUTER HALO CLUSTER?. The Astrophysical Journal (ApJ). 730:112-112. 2011
- How old are the stars in the halo of NGC 5128 (Centaurus A)?. Astronomy and Astrophysics (A & A). 526:A123-A123. 2011
- The globular cluster/central black hole connection in galaxies. Monthly Notices of the Royal Astronomical Society. 410:2347-2352. 2011
- POSSIBLE SUBGROUPS OF GLOBULAR CLUSTERS AND PLANETARY NEBULAE IN NGC 5128. Astronomical Journal. 141:27-27. 2011
- A New Catalog of Globular Clusters in the Milky Way 2010
- NEWg′r′i′z′ PHOTOMETRY OF THE NGC 5128 GLOBULAR CLUSTER SYSTEM. Astronomical Journal. 140:2101-2108. 2010
- The inner halo of M 87: a first direct view of the red-giant population. Astronomy and Astrophysics (A & A). 524:A71-A71. 2010
- ULTRA-COMPACT DWARFS IN THE CORE OF THE COMA CLUSTER. The Astrophysical Journal (ApJ). 722:1707-1715. 2010
- CONSEQUENCES OF COSMIC MICROWAVE BACKGROUND-REGULATED STAR FORMATION. The Astrophysical Journal (ApJ). 715:194-201. 2010
- THE KINEMATICS OF THE GLOBULAR CLUSTER SYSTEM OF NGC 5128 WITH A NEW LARGE SAMPLE OF RADIAL VELOCITY MEASUREMENTS. Astronomical Journal. 139:1871-1888. 2010
- CHEMODYNAMICS OF COMPACT STELLAR SYSTEMS IN NGC 5128: HOW SIMILAR ARE GLOBULAR CLUSTERS, ULTRA-COMPACT DWARFS, AND DWARF GALAXIES?. The Astrophysical Journal (ApJ). 712:1191-1208. 2010
- A blue tilt in the globular cluster system of the Milky Way-like galaxy NGC 5170. Monthly Notices of the Royal Astronomical Society. 403:429-438. 2010
- A faint extended cluster in the outskirts of NGC 5128: evidence of a low mass accretion. Monthly Notices of the Royal Astronomical Society. 404:1157-1164. 2010
- Massive star clusters in galaxies. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 368:889-906. 2010
- Diamonds on the Hat: globular clusters in the Sombrero galaxy (M104). Monthly Notices of the Royal Astronomical Society. 401:1965-1982. 2010
- THE AGES, METALLICITIES, AND ALPHA ELEMENT ENHANCEMENTS OF GLOBULAR CLUSTERS IN THE ELLIPTICAL NGC 5128: A HOMOGENEOUS SPECTROSCOPIC STUDY WITH GEMINI/GEMINI MULTI-OBJECT SPECTROGRAPH. The Astrophysical Journal (ApJ). 708:1335-1356. 2010
- The Distance to NGC 5128 (Centaurus A). Publications of the Astronomical Society of Australia. 27:457-462. 2010
- STRUCTURAL PARAMETERS OF THE MESSIER 87 GLOBULAR CLUSTERS. The Astrophysical Journal (ApJ). 705:237-244. 2009
- THE COLOR-MAGNITUDE RELATION FOR METAL-POOR GLOBULAR CLUSTERS IN M87: CONFIRMATION FROM DEEPHST/ACS IMAGING. The Astrophysical Journal (ApJ). 703:42-51. 2009
- THE GLOBULAR CLUSTER SYSTEM IN M87: A WIDE-FIELD STUDY WITH CFHT/MEGACAM. The Astrophysical Journal (ApJ). 703:939-950. 2009
- STATISTICAL TOOLS FOR CLASSIFYING GALAXY GROUP DYNAMICS. The Astrophysical Journal (ApJ). 702:1199-1210. 2009
- FURTHER DEFINITION OF THE MASS-METALLICITY RELATION IN GLOBULAR CLUSTER SYSTEMS AROUND BRIGHTEST CLUSTER GALAXIES. Astronomical Journal. 138:758-769. 2009
- The remnants of galaxy formation from a panoramic survey of the region around M31. Nature. 461:66-69. 2009
- LUMINOSITY FUNCTIONS OF LMXBs IN CENTAURUS A: GLOBULAR CLUSTERS VERSUS THE FIELD. The Astrophysical Journal (ApJ). 701:471-480. 2009
- GLOBULAR CLUSTER SYSTEMS IN GIANT ELLIPTICALS: THE MASS/METALLICITY RELATION. The Astrophysical Journal (ApJ). 699:254-280. 2009
- High-energy particle acceleration at the radio-lobe shock of Centaurus A. Monthly Notices of the Royal Astronomical Society. 395:1999-2012. 2009
- Globular cluster candidates in NGC 891. Monthly Notices of the Royal Astronomical Society. 395:436-442. 2009
- STOCHASTIC SELF-ENRICHMENT, PRE-ENRICHMENT, AND THE FORMATION OF GLOBULAR CLUSTERS. The Astrophysical Journal (ApJ). 695:1082-1093. 2009
- An ultra-compact dwarf around the Sombrero galaxy (M104): the nearest massive UCD. Monthly Notices of the Royal Astronomical Society: Letters. 394:L97-L101. 2009
- THE GLOBULAR CLUSTER SYSTEMS IN THE COMA ELLIPTICALS. IV: WFPC2 PHOTOMETRY FOR FIVE GIANT ELLIPTICALS ,. Astronomical Journal. 137:3314-3328. 2009
- Globular Clusters and X‐Ray Point Sources in Centaurus A (NGC 5128). The Astrophysical Journal (ApJ). 682:199-211. 2008
- The Globular Cluster Systems around NGC 3311 and NGC 3309. The Astrophysical Journal (ApJ). 681:1233-1247. 2008
- Inclination‐Independent Galaxy Classification. The Astrophysical Journal (ApJ). 681:225-231. 2008
- A 2dF spectroscopic study of globular clusters in NGC 5128: probing the formation history of the nearest giant elliptical. Monthly Notices of the Royal Astronomical Society. 386:1443-1463. 2008
- Evidence for Nonhydrostatic Gas Motions in the Hot Interstellar Medium of Centaurus A. The Astrophysical Journal (ApJ). 677:L97-L100. 2008
- A Transient Black Hole Low-Mass X-Ray Binary Candidate in Centaurus A. The Astrophysical Journal (ApJ). 677:L27-L30. 2008
- Galaxy concentrations are trimodal. Monthly Notices of the Royal Astronomical Society. 385:1835-1845. 2008
- Structural parameters for globular clusters in NGC 5128 - III. ACS surface brightness profiles and model fits. Monthly Notices of the Royal Astronomical Society. 384:563-590. 2008
- Wide‐Field Survey of Globular Clusters in M31. II. Kinematics of the Globular Cluster System. The Astrophysical Journal (ApJ). 674:886-908. 2008
- Where Centaurus A Gets Its X-Ray Knottiness. The Astrophysical Journal (ApJ). 673:L135-L138. 2008
- Low-Mass X-Ray Binaries and Globular Clusters in Centaurus A. The Astrophysical Journal (ApJ). 671:L117-L120. 2007
- New Results on Particle Acceleration in the Centaurus A Jet and Counterjet from a Deep Chandra Observation. The Astrophysical Journal (ApJ). 670:L81-L84. 2007
- Ultracompact Dwarf Candidates in the Hydra Cluster. The Astrophysical Journal (ApJ). 668:L35-L38. 2007
- The Leo Elliptical NGC 3379: A Metal‐Poor Halo Emerges. The Astrophysical Journal (ApJ). 666:903-918. 2007
- Giant Elliptical Galaxies: Globular Clusters and UCDs. Proceedings of the International Astronomical Union. 3:387-393. 2007
- Sizes of Confirmed NGC 5128 Globular Clusters. Proceedings of the International Astronomical Union. 3:425-426. 2007
- The Kinematics and Dynamics of the Globular Clusters and Planetary Nebulae of NGC 5128. Astronomical Journal. 134:494-510. 2007
- Wide-Field Survey of Globular Clusters in M31. I. A Catalog of New Clusters. Astronomical Journal. 134:706-720. 2007
- Hubble Space TelescopePhotometry for the Halo Stars in the Leo Elliptical NGC 3377. Astronomical Journal. 134:43-55. 2007
- Structural Parameters for Globular Clusters in M31 and Generalizations for the Fundamental Plane. Astronomical Journal. 133:2764-2786. 2007
- The Faint End of the Luminosity Function in the Core of the Coma Cluster. Astronomical Journal. 133:177-185. 2007
- Structural Parameters for Globular Clusters in NGC 5128. II.Hubble Space TelescopeACS Imaging and New Clusters. Astronomical Journal. 132:2187-2197. 2006
- From Supermassive Black Holes to Dwarf Elliptical Nuclei: A Mass Continuum. The Astrophysical Journal (ApJ). 644:L17-L20. 2006
- Two Populations of Young Massive Star Clusters in Arp 220. The Astrophysical Journal (ApJ). 641:763-772. 2006
- Structural parameters from ground-based observations of newly discovered globular clusters in NGC 5128. Astronomy and Astrophysics (A & A). 447:877-890. 2006
- Globular Cluster Systems in Brightest Cluster Galaxies: Bimodal Metallicity Distributions and the Nature of the High‐Luminosity Clusters. The Astrophysical Journal (ApJ). 636:90-114. 2006
- Deep ACS Imaging of the Halo of NGC 5128: Reaching the Horizontal Branch. The Astrophysical Journal (ApJ). 631:262-279. 2005
- Extragalactic globular clusters in the near-infrared. Astronomy and Astrophysics (A & A). 439:59-73. 2005
- Radial Velocities of Newly Discovered Globular Clusters in NGC 5128. Astronomical Journal. 129:2654-2662. 2005
- Wide-Field Washington Photometry of the NGC 5128 Globular Cluster System. I. The Database. Astronomical Journal. 128:712-722. 2004
- Wide-Field Washington Photometry of the NGC 5128 Globular Cluster System. II. Large-Scale Properties of the System. Astronomical Journal. 128:723-735. 2004
- Photometry and the Metallicity Distribution of the Outer Halo of M31. II. The 30 Kiloparsec Field. Astronomical Journal. 128:260-270. 2004
- The Metallicity Distribution in the Outer Halo of M33. Astronomical Journal. 128:237-244. 2004
- A Two-Phase Chemical Enrichment Model for the Milky Way Globular Cluster System. Astronomical Journal. 127:368-372. 2004
- A two-phase chemical enrichment model for the milky way globular cluster system. Astronomical Journal. 127:368-372. 2004
- X‐Ray Point Sources in the Sombrero Galaxy: Very Soft Sources, the Globular Cluster/Low‐Mass X‐Ray Binary Connection, and an Overview. The Astrophysical Journal (ApJ). 599:1067-1081. 2003
- Simultaneous modelling of the stellar halo and globular cluster system of NGC 5128. Monthly Notices of the Royal Astronomical Society. 340:341-352. 2003
- Photospheric radius expansion X-ray bursts as standard candles. Astronomy and Astrophysics (A & A). 399:663-680. 2003
- Origin of the metallicity distribution of the NGC 5128 stellar halo. Monthly Notices of the Royal Astronomical Society. 338:587-598. 2003
- Structural Parameters for Globular Clusters in NGC 5128. Astronomical Journal. 124:1435-1451. 2002
- The Halo Stars in NGC 5128. III. An Inner Halo Field and the Metallicity Distribution. Astronomical Journal. 123:3108-3123. 2002
- Globular Cluster Systems in Four Brightest Cluster Galaxies: A262, A3560, A3565, and A3742. The Astrophysical Journal (ApJ). 567:294-303. 2002
- Washington photometry of new globular clusters in M31. Iau Symposia. 207:143-145. 2002
- On the Formation of Galaxy Halos: Comparing NGC 5128 and the Local Group Members. Astronomical Journal. 122:3065-3069. 2001
- Globular Cluster Systems in Four BCGs: A262, A3560, A3565 and A3742 2001
- Globular Cluster Mass and Metallicity Distributions: Reconstructing the Events During Halo Formation 2001
- Photometry and the Metallicity Distribution of the Outer Halo of M31. Astronomical Journal. 121:2557-2571. 2001
- The Halo Stars in NGC 5128. II. An Outer Halo Field and a New Metallicity Distribution. Astronomical Journal. 120:2423-2436. 2000
- The Globular Cluster Systems in the Coma Ellipticals. III. The Unique Case of IC 4051. Astronomical Journal. 119:2699-2710. 2000
- The Globular Cluster Systems in the Coma Ellipticals. I. The Luminosity Function in NGC 4874 and Implications for Hubble’s Constant. The Astrophysical Journal (ApJ). 533:125-136. 2000
- The Globular Cluster Systems in the Coma Ellipticals. II. Metallicity Distribution and Radial Structure in NGC 4874 and Implications for Galaxy Formation. The Astrophysical Journal (ApJ). 533:137-148. 2000
- The globular cluster systems in the coma ellipticals. I. The luminosity function in NGC 4874, and implications for Hubble's constant. The Astrophysical Journal (ApJ). 533:125-136. 2000
- The globular cluster systems in the coma ellipticals. II. Metallicity distribution and radial structure in NGC 4874, and implications for galaxy formation. The Astrophysical Journal (ApJ). 533:137-148. 2000
- The Metallicity Distribution in the Halo Stars of NGC 5128: Implications for Galaxy Formation. Astronomical Journal. 117:855-867. 1999
- Ages for Globular Clusters in the Outer Galactic Halo: The Second-Parameter Clusters Palomar 3, Palomar 4, and Eridanus. Astronomical Journal. 117:247-263. 1999
- Globular cluster systems in other galaxies. Astrophysics and Space Science. 267:95-105. 1999
- Globular cluster systems in other galaxies. Astrophysics and Space Science. 267:95-105. 1999
- Panel discussion on the classification and terminology of stellar populations. Astrophysics and Space Science. 267:373-384. 1999
- Recent Migratory Star Formation in Nearby Magellanic Irregulars. Iau Symposia. 190:462-463. 1999
- A Color-Magnitude Diagram for a Globular Cluster in the Giant Elliptical Galaxy NGC 5128. Astronomical Journal. 116:2866-2872. 1998
- Constraints on the Hubble constant from observations of the brightest red-giant stars in a Virgo-cluster galaxy. Nature. 395:45-47. 1998
- M87, Globular Clusters, and Galactic Winds: Issues in Giant Galaxy Formation. Astronomical Journal. 115:1801-1822. 1998
- Issues in the formation of globular cluster systems. GALACTIC HALOS: A UC SANTA CRUZ WORKSHOP. 136:33-40. 1998
- Dwarf Galaxies in the Coma Cluster. I. Detection, Measurement and Classification Techniques. Publications of the Astronomical Society of the Pacific. 109:1364-1364. 1997
- Dwarf Galaxies in the Coma Cluster. II. Photometry and Analysis. Publications of the Astronomical Society of the Pacific. 109:1377-1377. 1997
- Photometry and Spectroscopy of Coma Dwarf Ellipticals 1997
- NGC 2419, M92, and the age gradient in the galactic halo. Astronomical Journal. 114:1030-1030. 1997
- Unveiling palomar 2: The most obscure globular cluster in the outer halo.. Astronomical Journal. 114:1043-1043. 1997
- Palomar 10 and NGC 6749: A Study in Contrasts. Publications of the Astronomical Society of the Pacific. 109:920-920. 1997
- White Dwarfs in Globular Clusters:Hubble Space TelescopeObservations of M4. The Astrophysical Journal (ApJ). 484:741-760. 1997
- Formation of the Milky Way 1997
- The Globular Cluster Systems of NGC 1400 and NGC 1407. Astronomical Journal. 113:895-895. 1997
- Deep Near‐Infrared Array Photometry of Globular Clusters. VI. NGC 288. The Astrophysical Journal (ApJ). 475:584-593. 1997
- IC 1257:A New Globular Cluster in the Galactic Halo. Astronomical Journal. 113:688-688. 1997
- A Catalog of Parameters for Globular Clusters in the Milky Way. Astronomical Journal. 112:1487-1487. 1996
- The Early-Type Dwarf-to-Giant Ratio and Substructure in the Coma Cluster. The Astrophysical Journal (ApJ). 469:623-623. 1996
- Deep Infrared Array Photometry of Globular Clusters. V. M28 (NGC 6626). The Astrophysical Journal (ApJ). 468:641-641. 1996
- Globular Cluster Systems in Dwarf Elliptical Galaxies. II. The Virgo Cluster. Astronomical Journal. 112:972-972. 1996
- B-R colours of globular clusters in NGC 6166 (A2199). Monthly Notices of the Royal Astronomical Society. 281:1290-1296. 1996
- Age Gradient and the Second Parameter Problem in the Galactic Halo. The Astrophysical Journal (ApJ). 463:602-602. 1996
- Globular Cluster Systems in Dwarf Elliptical Galaxies. I. The dE, N Galaxy NGC 3115 DW1. The Astrophysical Journal (ApJ). 463:543-543. 1996
- Globular Clusters in NGC 1275. Astronomical Journal. 111:2224-2224. 1996
- Deep Infrared Array Imaging of Globular Clusters. IV. M22 (NGC 6656). The Astrophysical Journal (ApJ). 462:255-255. 1996
- Planetary Nebulae As Standard Candles. X. Tests in the Coma I Region. The Astrophysical Journal (ApJ). 462:1-1. 1996
- Deep Infrared Array Photometry of Globular Clusters. III. M13: Erratum. The Astrophysical Journal (ApJ). 454:545-545. 1995
- Erratum - Measuring Distant Globular Cluster Systems Using Brightness Fluctuations. Astronomical Journal. 110:1905-1905. 1995
- [ITAL]Hubble Space Telescope[/ITAL] Observations of White Dwarfs in the Globular Cluster M4. The Astrophysical Journal (ApJ). 451:L17-L20. 1995
- Evidence for Steep Luminosity Functions in Clusters of Galaxies. The Astrophysical Journal (ApJ). 450:534-534. 1995
- A BVI Photometric Study of the Near-Galactic Center Globular Cluster NGC 6517 (C1759-089). Astronomical Journal. 109:2081-2081. 1995
- Deep infrared array photometry of globular clusters. 3: M13. The Astrophysical Journal (ApJ). 445:211-211. 1995
- Stellar Populations in M31: Resolved V,I Photometry of Five Halo Globular. Astronomical Journal. 109:2050-2050. 1995
- CCD photometry of the globular cluster systems in NGC 4494 and NGC 4565. Astronomical Journal. 109:1044-1044. 1995
- Globular cluster systems in three cD galaxies within rich Abell clusters. The Astrophysical Journal (ApJ). 441:120-120. 1995
- Washington photometry of the globular cluster system around NGC 3311. 1: Analysis of the metallicities. Astronomical Journal. 109:1019-1019. 1995
- Washington photometry of the globular cluster system around NGC 3311. 2: Spatial structure and mass spectrum. Astronomical Journal. 109:1033-1033. 1995
- DEEP IR IMAGING OF GLOBULAR CLUSTERS. III. M13 1995
- Measuring distant globular cluster systems using brightness fluctuations. Astronomical Journal. 109:121-121. 1995
- BR photometry of the halo of M31. Astronomical Journal. 108:2114-2114. 1994
- Supergiant molecular clouds and the formation of globular cluster systems. The Astrophysical Journal (ApJ). 429:177-177. 1994
- Integrated BVR photometry of halo globular clusters in M31, 2. Astronomical Journal. 107:555-555. 1994
- The spatial structure of the M87 globular cluster system. The Astrophysical Journal (ApJ). 422:486-486. 1994
- Globular clusters and cD formation - The case of M87. The Astrophysical Journal (ApJ). 409:L45-L45. 1993
- A color-magnitude study of the globular cluster M15. Astronomical Journal. 105:1420-1420. 1993
- A maximum likelihood analysis of globular cluster luminosity distributions in the Virgo ellipticals. Astronomical Journal. 105:1358-1358. 1993
- Faint halo globular clusters and the GCLF in M31. Astronomical Journal. 104:1068-1068. 1992
- A critical review of selected techniques for measuring extragalactic distances. Publications of the Astronomical Society of the Pacific. 104:599-599. 1992
- Optical and infrared imaging of stars in the metal-rich globular clusters NGC 6304 and NGC 6316. Astrophysical Journal Supplement Series. 81:251-251. 1992
- A globular cluster system around the supergiant elliptical NGC 3842. Astronomical Journal. 103:1828-1828. 1992
- Integrated BVR photometry of halo globular clusters in M31.. Astronomical Journal. 103:824-824. 1992
- A photometric study of the 'second parameter' globular cluster Palomar 14. Astronomical Journal. 103:131-131. 1992
- Planetary nebulae as standard candles. VII - A test versus Hubble type in the NGC 1023 group. The Astrophysical Journal (ApJ). 383:487-487. 1991
- CCD photometry of the outer-halo cluster Palomar 15. Astronomical Journal. 102:1348-1348. 1991
- Globular Cluster Systems in Galaxies Beyond the Local Group. Annual Review of Astronomy and Astrophysics. 29:543-579. 1991
- Multicolor CCD photometry of globular clusters in two Virgo elliptical galaxies. The Astrophysical Journal (ApJ). 372:97-97. 1991
- The luminosity distribution of globular clusters in three giant Virgo ellipticals. Astrophysical Journal Supplement Series. 76:115-115. 1991
- The globular cluster system of NGC 1399. Astronomical Journal. 101:469-469. 1991
- Are nucleated dwarf galaxies genuine ellipticals?. Publications of the Astronomical Society of the Pacific. 103:32-32. 1991
- A comment on image detection and the definition of limiting magnitude. Publications of the Astronomical Society of the Pacific. 102:949-949. 1990
- BVI photometry of globular clusters in M87. Astrophysical Journal Supplement Series. 73:671-671. 1990
- CCD photometry of globular clusters in NGC 3377. Publications of the Astronomical Society of the Pacific. 102:966-966. 1990
- A globular cluster system surrounding the cD galaxy NGC 6166. The Astrophysical Journal (ApJ). 355:410-410. 1990
- Globular clusters and the distance to the Galactic center. Astronomical Journal. 98:1609-1609. 1989
- CCD photometry of the globular cluster M92. Astronomical Journal. 96:909-909. 1988
- An Overview of Globular Cluster Systems in Distant Galaxies. Iau Symposia. 126:237-253. 1988
- New Main-Sequence Luminosity Functions for Globular Clusters. Iau Symposia. 126:485-486. 1988
- How similar are the globular clusters in different galaxies?. Publications of the Astronomical Society of the Pacific. 99:1031-1031. 1987
- A CCD color-magnitude study of 47 Tucanae. Publications of the Astronomical Society of the Pacific. 99:739-739. 1987
- Globular clusters in galaxies beyond the Local Group. IX - More on the Fornax ellipticals. Astronomical Journal. 93:1368-1368. 1987
- Globular cluster systems in the supergiant ellipticals of the Coma Cluster. The Astrophysical Journal (ApJ). 315:L29-L29. 1987
- Globular clusters in galaxies beyond the local group. VIII - Elliptical galaxies in the Fornax Cluster. The Astrophysical Journal (ApJ). 309:564-564. 1986
- Mass functions for globular cluster main sequences based on CCD photometry and stellar models. The Astrophysical Journal (ApJ). 307:L49-L49. 1986
- CCD photometry to V = 21 in a Puppis field. Publications of the Astronomical Society of the Pacific. 98:599-599. 1986
- Globular clusters in galaxies beyond the local group. VII - The S0 galaxy NGC 3115. The Astrophysical Journal (ApJ). 304:599-599. 1986
- Globular clusters in galaxies beyond the local group. V - The giant ellipticals reconsidered. Astronomical Journal. 91:822-822. 1986
- CCD photometry of the distant halo cluster Palomar 4. Astronomical Journal. 91:81-81. 1986
- Globular clusters in galaxies beyond the Local Group. VI - The spiral galaxy NGC 2683. Astronomical Journal. 90:2495-2495. 1985
- Globular clusters in galaxies beyond the local group. IV - The elliptical galaxies NGC 524 and 1052. The Astrophysical Journal (ApJ). 291:147-147. 1985
- A Deep Luminosity Function for 47 Tucanae. Iau Symposia. 81-83. 1985
- The distant globular clusters Palomar 14 and Palomar 15. Astronomical Journal. 89:1816-1816. 1984
- Color-magnitude photometry for the globular cluster NGC 288. The Astrophysical Journal (ApJ). 281:158-158. 1984
- Main-sequence photometry in NGC 2808. Astronomical Journal. 89:365-365. 1984
- Globular clusters in galaxies beyond the local group. III NGC 4594 (the Sombrero). Astronomical Journal. 89:216-216. 1984
- COLOR MAGNITUDE DIAGRAM MORPHOLOGY OF THE OLDEST STAR-CLUSTERS IN THE LARGE MAGELLANIC CLOUD. Iau Symposia. 47-48. 1984
- PROBING 47-TUCANAE. Sky and telescope. 68:219-220. 1984
- Main-sequence photometry for three galactic globular clusters. Publications of the Astronomical Society of the Pacific. 95:951-951. 1983
- SIT Vidicon photometry for four old Magellanic Cloud clusters. Publications of the Astronomical Society of the Pacific. 95:967-967. 1983
- Short communications in the astronomical literature. Publications of the Astronomical Society of the Pacific. 95:989-989. 1983
- Globular cluster systems in the Hydra I elliptical galaxies. II. The Astrophysical Journal (ApJ). 272:456-456. 1983
- Detectability of globular cluster systems in distant galaxies. Publications of the Astronomical Society of the Pacific. 95:406-406. 1983
- Color-magnitude photometry of 47 Tucanae to M(V) = +9. The Astrophysical Journal (ApJ). 268:L111-L111. 1983
- A color-magnitude diagram for Leo II. Astronomical Journal. 88:329-329. 1983
- Globular cluster orbits and the galactic mass distribution. Astronomical Journal. 88:338-338. 1983
- A comment on the colors of globular clusters in elliptical galaxies. Publications of the Astronomical Society of the Pacific. 95:21-21. 1983
- CORRECTION. Astrophysical Journal Supplement Series. 51:269-269. 1983
- Color-magnitude studies of globular clusters. I - The bright stars in NGC 362. Astrophysical Journal Supplement Series. 50:573-573. 1982
- Abundance indicators from vidicon spectra in six globular clusters. The Astrophysical Journal (ApJ). 258:612-612. 1982
- Structural Characteristics of PALOMAR-14. Publications of the Astronomical Society of the Pacific. 94:465-465. 1982
- Globular clusters in galaxies beyond the local group. II - The edge-on spirals NGC 891 and NGC 4565. Astronomical Journal. 87:494-494. 1982
- Globular clusters and galaxy mergers. The Astrophysical Journal (ApJ). 251:497-497. 1981
- Globular clusters in galaxies beyond the local group. I - New cluster systems in selected northern ellipticals. Astronomical Journal. 86:1627-1627. 1981
- Photometry in the ancient open cluster NGC 6791. Astronomical Journal. 86:1332-1332. 1981
- Photoelectric photometry - an approach to data reduction. Publications of the Astronomical Society of the Pacific. 93:507-507. 1981
- The halo globular clusters of the giant elliptical galaxy Messier 87. The Astrophysical Journal (ApJ). 245:416-416. 1981
- A deep BV photometric analysis of a background field in Virgo. Astronomical Journal. 86:90-90. 1981
- The young open cluster NGC 3293 and its relation to CAR OB1 and the Carina Nebula complex. Astronomical Journal. 85:1193-1193. 1980
- Color-magnitude photometry to the main sequence for the 'anomalous' globular cluster Palomar 12. The Astrophysical Journal (ApJ). 239:815-815. 1980
- A note on the characteristics of Palomar 2. Publications of the Astronomical Society of the Pacific. 92:43-43. 1980
- Globular Clusters in Galaxies. Annual Review of Astronomy and Astrophysics. 17:241-274. 1979
- On the abundance gradient in the galactic halo. The Astrophysical Journal (ApJ). 231:L19-L19. 1979
- The space distribution of globular clusters in M49. The Astrophysical Journal (ApJ). 223:88-88. 1978
- Photoelectric UBV and DDO photometry in the anomalous globular cluster NGC 2808.. Publications of the Astronomical Society of the Pacific. 90:45-45. 1978
- A photometric study of NGC 1904.. Astronomical Journal. 82:954-954. 1977
- Photometric calibration in the metal-rich globular cluster M69. Publications of the Astronomical Society of the Pacific. 89:482-482. 1977
- The Hyades-age cluster NGC 1817. Astronomical Journal. 82:612-612. 1977
- Spatial structure of the globular cluster system and the distance to the galactic center. Astronomical Journal. 81:1095-1095. 1976
- UBV Sequences for Selected Virgo Galaxies.. Monthly Notices of the Royal Astronomical Society. 177:653-659. 1976
- NGC 5694: A Globular Cluster Escaping from the Galaxy?. Publications of the Astronomical Society of the Pacific. 88:377-377. 1976
- The Space Distribution of Globular Clusters in M87. The Astrophysical Journal (ApJ). 207:1036-1036. 1976
- New color-magnitude diagrams for four southern globular clusters.. Astrophysical Journal Supplement Series. 31:13-13. 1976
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preprints
- The HERBAL model: A hierarchical errors-in-variables Bayesian lognormal hurdle model for galactic globular cluster populations 2023
- Investigating the $M_{GCS}-M_h$ Relation in the Most Massive Galaxies 2023
- Early Evolution and 3D Structure of Embedded Star Clusters 2023
- A Photometric Survey of Globular Cluster Systems in Brightest Cluster Galaxies 2022
- Light from the Darkness: Detecting Ultra-Diffuse Galaxies in the Perseus Cluster through Over-densities of Globular Clusters with a Log-Gaussian Cox Process 2022
- The outermost stellar halo of NGC 5128 (Centaurus A): Radial structure 2021
- Clearing the hurdle: The mass of globular cluster systems as a function of host galaxy mass 2021
- Implementing Primordial Binaries in Simulations of Star Cluster Formation with a Hybrid MHD and Direct N-Body Method 2020
- Measuring Dark Matter in Galaxies: The Mass Fraction Within 5 Effective Radii 2020
- The PIPER Survey: I. An Initial Look at the Intergalactic Globular Cluster Population in the Perseus Cluster 2020
- The Strikingly Metal-Rich Halo of the Sombrero Galaxy 2020
- Globular Cluster Systems and X-Ray Atmospheres in Galaxies 2019
- New Insights into the Physical Conditions and Internal Structure of a Candidate Proto-Globular Cluster 2019
- Estimating the Milky Way's Mass via Hierarchical Bayes: A Blind Test on MUGS2 Simulated Galaxies 2018
- A universal route for the formation of massive star clusters in giant molecular clouds 2018
- On the Origin of Multiple Populations During Massive Star Cluster Formation 2018
- Simulating radiative feedback and star cluster formation in GMCs: II. Mass dependence of cloud destruction and cluster properties 2017
- Detection of the Stellar Intracluster Medium in Perseus (Abell 426) 2017
- Galactic Dark Matter Halos and Globular Cluster Populations. III: Extension to Extreme Environments 2017
- Globular Cluster Systems in Brightest Cluster Galaxies. III: Beyond Bimodality 2016
- Globular Clusters As Tracers of Fine Structure in the Dramatic Shell Galaxy NGC 474 2016
- Bayesian Mass Estimates of the Milky Way: including measurement uncertainties with hierarchical Bayes 2016
- Bayesian Mass Estimates of the Milky Way II: The dark and light sides of parameter assumptions 2016
- Simulating radiative feedback and star cluster formation in GMCs: I. Dependence on gravitational boundedness 2016
- Globular Cluster Scale Sizes in Giant Galaxies: Orbital Anisotropy and Tidally Under-filling Clusters in M87, NGC 1399, and NGC 5128 2016
- Where Are Most of the Globular Clusters in Today's Universe? 2016
- Globular Cluster Systems in Brightest Cluster Galaxies. II: NGC 6166 2015
- Dark Matter Halos in Galaxies and Globular Cluster Populations. II: Metallicity and Morphology 2015
- Estimating the Galactic Mass Profile in the Presence of Incomplete Data 2015
- Globular Cluster Systems in Brightest Cluster Galaxies: A Near-Universal Luminosity Function? 2014
- The Effects of Orbital Inclination on the Scale Size and Evolution of Tidally Filling Star Clusters 2014
- Tracing the outer halo in a giant elliptical to 25 Reff 2014
- The Effect of Orbital Eccentricity on the Dynamical Evolution of Star Clusters 2014
- The pre-processing of subhaloes in SDSS groups and clusters 2014
- Dark Matter Halos in Galaxies and Globular Cluster Populations 2014
- Globular clusters and supermassive black holes in galaxies: further analysis and a larger sample 2013
- Cluster formation in molecular clouds: I. stellar populations, star formation rates, and ionizing radiation 2013
- Globular Cluster Scale Sizes in Giant Galaxies: The Case of M87 and the Role of Orbital Anisotropy and Tidal Filling 2013
- Do group dynamics play a role in the evolution of member galaxies? 2013
- A Catalog of Globular Cluster Systems: What Determines the Size of a Galaxy's Globular Cluster Population? 2013
- The Influence of Orbital Eccentricity on Tidal Radii of Star Clusters 2013
- Unearthing Foundations of a Cosmic Cathedral: Searching the Stars for M33's Halo 2012
- The Size Difference Between Red And Blue Globular Clusters Is NOT Due To Projection Effects 2012
- N-body models of globular clusters: metallicity, half-light radii and mass-to-light ratios 2012
- Substructure in the Most Massive GEEC Groups: Field-like Populations in Dynamically Active Groups 2012
- The Observational and Theoretical Tidal Radii of Globular Clusters in M87 2012
- The M33 Globular Cluster System with PAndAS Data: The Last Outer Halo Cluster? 2011
- How old are the stars in the halo of NGC 5128 (Centaurus A)? 2010
- Possible Subgroups of Globular Clusters and Planetary Nebulae in NGC 5128 2010
- New g'r'i'z' Photometry of the NGC 5128 Globular Cluster System 2010
- The Inner Halo of M87: A First Direct View of the Red-Giant Population 2010
- Ultra-Compact Dwarfs in the Core of the Coma Cluster 2010
- The Globular Cluster/Central Black Hole Connection in Galaxies 2010
- Consequences of cosmic microwave background-regulated star formation 2010
- The Kinematics of the Globular Cluster System of NGC 5128 with a New, Large Sample of Radial Velocity Measurements 2010
- Chemodynamics of Compact Stellar Systems in NGC 5128: How similar are Globular Clusters, Ultra-Compact Dwarfs, and Dwarf Galaxies? 2010
- A faint extended cluster in the outskirts of NGC 5128: evidence of a low mass accretion 2010
- A Blue Tilt in the Globular Cluster System of the Milky Way-like Galaxy NGC 5170 2009
- The Distance to NGC 5128 (Centaurus A) 2009
- Massive star clusters in galaxies 2009
- The Ages, Metallicities and Alpha Element Enhancements of Globular Clusters in the Elliptical NGC 5128: A Homogeneous Spectroscopic Study with Gemini/GMOS 2009
- Structural Parameters of the M87 Globular Clusters 2009
- The Globular Cluster System in M87: A Wide-Field Study with CFHT/Megacam 2009
- Statistical Tools for Classifying Galaxy Group Dynamics 2009
- The Color-Magnitude Relation for Metal-Poor Globular Clusters in M87: Confirmation From Deep HST/ACS Imaging 2009
- Luminosity functions of LMXBs in Centaurus A: globular clusters versus the field 2009
- Further Definition of the Mass-Metallicity Relation in Globular Cluster Systems Around Brightest Cluster Galaxies 2009
- Globular Cluster Systems in Giant Ellipticals: the Mass/Metallicity Relation 2009
- Globular Cluster Candidates in NGC 891 2009
- Stochastic self-enrichment, pre-enrichment, and the formation of globular clusters 2009
- An Ultra Compact Dwarf around the Sombrero galaxy (M104): the Nearest Massive UCD 2009
- High-energy particle acceleration at the radio-lobe shock of Centaurus A 2009
- The Globular Cluster Systems in the Coma Ellipticals. IV: WFPC2 Photometry for Five Giant Ellipticals 2008
- Evidence for Non-Hydrostatic Gas Motions in the Hot ISM of Centaurus A 2008
- Inclination-Independent Galaxy Classification 2008
- A 2dF spectroscopic study of globular clusters in NGC 5128: Probing the formation history of the nearest giant Elliptical 2008
- A Transient Black-Hole Low-Mass X-Ray Binary Candidate in Centaurus A 2008
- Galaxy Concentrations are Trimodal 2008
- Globular Clusters and X-ray Point Sources in Centaurus A (NGC 5128) 2008
- Where Centaurus A gets its X-ray knottiness 2007
- Low-Mass X-ray Binaries and Globular Clusters in Centaurus A 2007
- Structural parameters for globular clusters in NGC 5128. III. ACS surface-brightness profiles and model fits 2007
- Wide-Field Survey of Globular Clusters in M31. II. Kinematics of the Globular Cluster System 2007
- New results on particle acceleration in the Centaurus A jet and counterjet from a deep Chandra observation 2007
- UCD Candidates in the Hydra Cluster 2007
- Wide-Field Survey of Globular Clusters in M31. I. A Catalog of New Clusters 2007
- HST Photometry for the Halo Stars in the Leo Elliptical NGC 3377 2007
- The Leo Elliptical NGC 3379: A Metal-Poor Halo Emerges 2007
- Structural parameters for globular clusters in M31 and generalizations for the fundamental plane 2007
- The Kinematics and Dynamics of the Globular Clusters and the Planetary Nebulae of NGC 5128 2007
- The Faint End of the Luminosity Function in the Core of the Coma Cluster 2006
- Structural Parameters for Globular Clusters in NGC 5128. II: HST/ACS Imaging and New Clusters 2006
- From Supermassive Black Holes to Dwarf Elliptical Nuclei: a Mass Continuum 2006
- Structural Parameters from Ground-based Observations of Newly Discovered Globular Clusters in NGC 5128 2005
- Globular Cluster Systems in Brightest Cluster Galaxies: Bimodal Metallicity Distributions and the Nature of the High-Luminosity Clusters 2005
- Deep ACS Imaging of the Halo of NGC 5128: Reaching the Horizontal Branch 2005
- Extragalactic Globular Clusters in the Near-Infrared: V. IC 4051 and NGC 3311 2005
- Radial Velocities of Newly Discovered Globular Clusters in NGC 5128 2005
- Photometry and the Metallicity Distribution of the Outer Halo of M31. II. The 30 Kpc Field 2004
- A Two-Phase Chemical Enrichment Model for the Milky Way Globular Cluster System 2003
- X-ray Point Sources in the Sombrero Galaxy: Supersoft sources, the globular cluster/LMXB connection, and an overview 2003
- Origin of the metallicity distribution of the NGC 5128 stellar halo 2002
- Simultaneous Modelling of the Stellar Halo and Globular Cluster System of NGC 5128 2002
- Structural Parameters for Globular Clusters in NGC 5128 2002
- The Halo Stars in NGC 5128. III: An Inner-Halo Field and the Metallicity Distribution 2002
- New CCD Survey of Globular Clusters in M31 2001
- Washington Photometry of New Globular Clusters in M31 2001
- On the Formation of Galaxy Halos: Comparing NGC 5128 and the Local Group Members 2001
- Photometry and the Metallicity Distribution of the Outer Halo of M31 2001
- The Globular Cluster Systems in the Coma Ellipticals. II: Metallicity Distribution and Radial Structure in NGC 4874, and Implications for Galaxy Formation 1999
- The Globular Cluster Systems in the Coma Ellipticals. I: The Luminosity Function in NGC 4874, and Implications for Hubble's Constant 1999
- The Metallicity Distribution in the Halo Stars of NGC 5128: Implications for Galaxy Formation 1998
- Ages for Globular Clusters in the Outer Galactic Halo: The Second Parameter Clusters Palomar~3, Palomar~4 and Eridanus 1998
- A Color-Magnitude Diagram for a Globular Cluster In the Giant Elliptical Galaxy NGC 5128 1998
- The Hubble Constant from Observations of the Brightest Red Giant Stars in a Virgo-Cluster Galaxy 1998
- M87, Globular Clusters, and Galactic Winds: Issues in Giant Galaxy Formation 1998
- Dwarf Galaxies in the Coma Cluster. I. Detection, Measurement and Classification Techniques 1997
- Dwarf Galaxies in the Coma Cluster. II. Photometry and Analysis 1997
- NGC 2419, M92, and the Age Gradient in the Galactic Halo 1997
- Unveiling Palomar 2: The Most Obscure Globular Cluster in the Outer Halo 1997
- White Dwarfs in Globular Clusters: HST Observations of M4 1997
- The Globular Cluster Systems of NGC 1400 and NGC 1407 1996
- Globular Clusters in NGC 1275 1996
- B-R Colors of Globular Clusters in NGC 6166 (A2199) 1996
- Age Gradient and the Second Parameter Problem in the Galactic Halo 1996
- Hubble Space Telescope Observations of White Dwarfs in the Globular Cluster M4 1995
- Evidence for Steep Luminosity Functions in Clusters of Galaxies 1995
- A $BVI$ Photometric Study of the Near-Galactic Center Globular Cluster NGC 6517 (C1759-089) 1994