Publications (79)
Peculiar compact stellar systems in the Fornax cluster
Carolin Wittmann, Thorsten Lisker, Anna Pasquali +2
Extragalactic Globular Clusters in the Near Infrared: III. NGC 5846 and NGC 7192
Maren Hempel, Michael Hilker, Markus Kissler-Patig +3
Stellar population properties of the most massive globular clusters and ultra-compact dwarf galaxies of the Fornax cluster
Michael Hilker
The Fornax Deep Survey (FDS) with the VST: IV. A size and magnitude limited catalog of dwarf galaxies in the area of the Fornax cluster
Aku Venhola, Reynier Peletier, Eija Laurikainen +20
The enrichment history of omega Centauri: what we can learn from Stroemgren photometry
Michael Hilker, Tom Richtler
Kinematics in Hickson Compact Group 90
Leonardo Castaneda, Michael Hilker
Constraining the escape fraction of ionizing photons from HII regions within NGC 300: A concept paper
Florian Niederhofer, Michael Hilker, Nate Bastian +1
Globular Cluster Systems in Nearby Dwarf Galaxies: III. Formation Efficiencies of Old Globular Clusters
Iskren Y. Georgiev, Thomas H. Puzia, Paul Goudfrooij +1
A new queueing strategy for the Adversarial Queueing Theory
Michael Hilker, Christoph Schommer
The globular cluster system of NGC1316. III. Kinematic complexity
Tom Richtler, Michael Hilker, Brijesh Kumar +3
Halo mass estimates from the Globular Cluster populations of 175 Low Surface Brightness Galaxies in the Fornax Cluster
Daniel J. Prole, Michael Hilker, Remco F. J. van der Burg +12
The Next Generation Fornax Survey (NGFS): V. Discovery of a dwarf-dwarf galaxy pair at z=0.30 and its characterization using deep VLT/MUSE observations
Evelyn J. Johnston, Paul Eigenthaler, Thomas Puzia +11
Chemodynamics of Compact Stellar Systems in NGC 5128: How similar are Globular Clusters, Ultra-Compact Dwarfs, and Dwarf Galaxies?
Matthew A. Taylor, Thomas H. Puzia, Gretchen L. Harris +3
Revisiting the Impact of Atmospheric Dispersion and Differential Refraction on Widefield Multiobject Spectroscopic Observations. From VLT/VIMOS to Next Generation Instruments
Rubén Sánchez-Janssen, Steffen Mieske, Fernando Selman +5
The distance of the Fornax Cluster based on Globular Cluster Luminosity Functions
Sven Kohle, Markus Kissler-Patig, Michael Hilker +3
Upper limits on the presence of central massive black holes in two ultra-compact dwarf galaxies in Centaurus A
Karina T. Voggel, Anil C. Seth, Nadine Neumayer +10
Sloshing in its cD halo: MUSE kinematics of the central galaxy NGC 3311
Carlos E. Barbosa, Magda Arnaboldi, Lodovico Coccato +4
Faint Dwarf Galaxies in Hickson Compact Group 90
Yasna Ordenes-Briceño, Matthew A. Taylor, Thomas H. Puzia +11
Globular clusters as tracers of the halo assembly of nearby central cluster galaxies
Michael Hilker, Tom Richtler
A flat faint end of the Fornax cluster galaxy luminosity function
Steffen Mieske, Michael Hilker, Leopoldo Infante +1
The difference in metallicity distribution functions of halo stars and globular clusters as a function of galaxy type: A tracer of globular cluster formation and evolution
Henny J. G. L. M. Lamers, J. M. Diederik Kruijssen, Nate Bastian +3
Probing the boundary between star clusters and dwarf galaxies: A MUSE view on the dynamics of Crater/Laevens I
Karina Voggel, Michael Hilker, Holger Baumgardt +5
Distributed Self Management for Distributed Security Systems
Michael Hilker
SANA - Network Protection through artificial Immunity
Michael Hilker, Christoph Schommer
Globular Cluster Systems in the Hydra I Galaxy Cluster
Michael Hilker
Probable member stars of the gravitational theory-testing globular clusters AM 1, Pal 3 and Pal 14
Michael Hilker
Extragalactic Globular Clusters in the Near-Infrared II. The Globular Clusters Systems of NGC 3115 and NGC 4365
Thomas H. Puzia, Stephen E. Zepf, Markus Kissler-Patig +3
A 3D view of the Hydra I galaxy cluster core - I. Kinematic substructures
Michael Hilker, Carlos Eduardo Barbosa, Tom Richtler +3
UCDs - a mixed bag of objects
Michael Hilker
A 3D view of the Hydra I cluster core - II. Stellar populations
Carlos Eduardo Barbosa, Magda Arnaboldi, Michael Hilker +3
omega Centauri - a former nucleus of a dissolved dwarf galaxy? New evidence from Stroemgren photometry
Michael Hilker, Tom Richtler
Unveiling a Rich System of Faint Dwarf Galaxies in the Next Generation Fornax Survey
Roberto P. Munoz, Paul Eigenthaler, Thomas H. Puzia +18
A deep view on the Virgo cluster core
Stefan Lieder, Thorsten Lisker, Michael Hilker +2
Detection of Supermassive Black Holes in Two Virgo Ultracompact Dwarf Galaxies
Christopher P. Ahn, Anil C. Seth, Mark den Brok +13
The velocity dispersion and mass function of the outer halo globular cluster Palomar 4
Matthias J. Frank, Michael Hilker, Holger Baumgardt +5
SANA - Security Analysis in Internet Traffic through Artificial Immune Systems
Michael Hilker, Christoph Schommer
The specific frequencies of ultra-compact dwarf galaxies
Steffen Mieske, Michael Hilker, Ingo Misgeld
The Nature of UCDs: Internal Dynamics from an Expanded Sample and Homogeneous Database
Steffen Mieske, Michael Hilker, Andres Jordan +9
Constraining ultra-compact dwarf galaxy formation with galaxy clusters in the local universe
Joel Pfeffer, Michael Hilker, Holger Baumgardt +1
Testing fundamental physics with distant star clusters: theoretical models for pressure-supported stellar systems
Hosein Haghi, Holger Baumgardt, Pavel Kroupa +3
On central black holes in ultra-compact dwarf galaxies
Steffen Mieske, Matthias Frank, Holger Baumgardt +3
AGNOSCO - Identification of Infected Nodes with artificial Ant Colonies
Michael Hilker, Christoph Schommer
Globular cluster systems in nearby dwarf galaxies - II. Nuclear star clusters and their relation to massive Galactic globular clusters
Iskren Y. Georgiev, Michael Hilker, Thomas H. Puzia +2
Threshing in Action - The tidal disruption of a dwarf galaxy by the Hydra I Cluster
Andreas Koch, Andreas Burkert, R. Michael Rich +4
A Supermassive Black Hole in an Ultracompact Dwarf Galaxy
Anil Seth, Remco van den Bosch, Steffen Mieske +11
The extended star formation history of omega Centauri
Michael Hilker, Andrea Kayser, Tom Richtler +1
The Black Hole in the Most Massive Ultracompact Dwarf Galaxy M59-UCD3
Christopher P. Ahn, Anil C. Seth, Michele Cappellari +19
Comparing CN and CH Line Strengths in a Homogeneous Spectroscopic Sample of 8 Galactic Globular Clusters
Andrea Kayser, Michael Hilker, Eva K. Grebel +1
Galaxy Luminosity Function of Dynamically Young Abell 119 Cluster: Probing the Cluster Assembly
Youngdae Lee, Soo-Chang Rey, Michael Hilker +2
Globular Clusters in nearby Galaxy Cluster
Michael Hilker
The Hydra I cluster core. I. Stellar populations in the cD galaxy NGC 3311
Carlos Eduardo Barbosa, Magda Arnaboldi, Lodovico Coccato +3
Faint dwarf spheroidals in the Fornax Cluster: A flat luminosity function
Michael Hilker, Steffen Mieske, Leopoldo Infante
Medium resolution spectroscopy in Omega Centauri: abundances of 400 subgiant and turn-off region
Andrea Kayser, Michael Hilker, Tom Richtler +1
Next Challenges in Bringing Artificial Immune Systems to Production in Network Security
Michael Hilker
A metal-poor ultra compact dwarf galaxy at a kiloparsec distance from the low-mass elliptical galaxy FCC47
Katja Fahrion, Iskren Georgiev, Michael Hilker +7
Contribution of stripped nuclear clusters to globular cluster and ultra-compact dwarf galaxy populations
Joel Pfeffer, Brendan F. Griffen, Holger Baumgardt +1
The globular cluster system of an ``old'' merger: NGC 5018
Michael Hilker, Markus Kissler-Patig
The formation of UCDs and massive GCs: Quasar-like objects for testing for a variable stellar initial mass function (IMF)
Tereza Jerabkova, Pavel Kroupa, Joerg Dabringhausen +2
Dynamical versus Stellar Masses of Ultracompact Dwarf Galaxies in the Fornax Cluster
Igor Chilingarian, Steffen Mieske, Michael Hilker +1
VEGAS-SSS II: Comparing the globular cluster systems in NGC3115 and NGC1399 using VEGAS and FDS survey data
Michele Cantiello, Raffaele D'Abrusco, Marilena Spavone +15
No Evidence for Significant Age Spreads in Young Massive LMC Clusters
Florian Niederhofer, Michael Hilker, Nate Bastian +1
A Network Protection Framework through Artificial Immunity
Michael Hilker, Christoph Schommer
Dynamics of the NGC 4636 globular cluster system II. Improved constraints from a large sample of globular cluster velocities
Ylva Schuberth, Tom Richtler, Michael Hilker +3
A 3.5-million Solar Masses Black Hole in the Centre of the Ultracompact Dwarf Galaxy Fornax UCD3
Anton V. Afanasiev, Igor V. Chilingarian, Steffen Mieske +16
Direct N-body simulations of globular clusters: (I) Palomar 14
Akram Hasani Zonoozi, Andreas H. W. Kuepper, Holger Baumgardt +3
Service Oriented Architecture in Network Security - a novel Organisation in Security Systems
Michael Hilker, Christoph Schommer
Globular cluster clustering and tidal features around ultra compact dwarf galaxies in the halo of NGC1399
Karina Voggel, Michael Hilker, Tom Richtler
News from the isolated ellipticals NGC 5812, NGC 7507, and NGC 7796
Tom Richtler, Ricardo Salinas, Richard Lane +3
The old globular cluster system of the dIrr galaxy NGC1427A in the Fornax cluster
Iskren Y. Georgiev, Michael Hilker, Thomas H. Puzia +5
The Next Generation Fornax Survey (NGFS): II. The Central Dwarf Galaxy Population
Paul Eigenthaler, Thomas H. Puzia, Matthew A. Taylor +23
Globular Clusters in the Central Region of Nearby Galaxy Clusters
Michael Hilker
Revised Stroemgren metallicity calibration for red giants
Michael Hilker
Compact stellar systems in the Fornax cluster: a UV perspective
Steffen Mieske, Michael Hilker, Dominik J. Bomans +4
Old globular clusters in magellanic-type dwarf irregular galaxies
Iskren Y. Georgiev, Paul Goudfrooij, Thomas H. Puzia +1
Globular Cluster Systems in Nearby Dwarf Galaxies: I. HST/ACS Observations and Dynamical Properties of Globular Clusters at Low Environmental Density
Iskren Y. Georgiev, Thomas H. Puzia, Michael Hilker +1
SDSS J085431.18+173730.5: The First Compact Elliptical Galaxy Hosting an Active Nucleus
Sanjaya Paudel, Michael Hilker, Change Hee Ree +1
The properties of ultra-compact dwarf galaxies and their possible origin
Michael Hilker, Steffen Mieske
Ultra Compact Objects in the Fornax Cluster of Galaxies: Globular clusters or dwarf galaxies?
Steffen Mieske, Michael Hilker, Leopoldo Infante
Symbolic Computing with Incremental Mindmaps to Manage and Mine Data Streams - Some Applications
Claudine Brucks, Michael Hilker, Christoph Schommer +2