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astrophysics (43) 43
astronomy & astrophysics (38) 38
physics - astrophysics of galaxies (37) 37
cosmology and extragalactic astrophysics (33) 33
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astrophysics - astrophysics of galaxies (27) 27
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photometry (7) 7
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galaxies: stellar content (6) 6
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initial mass function (5) 5
mass (5) 5
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to-light ratios (4) 4
ultra-diffuse galaxies (4) 4
astrophysics - instrumentation and methods for astrophysics (3) 3
astrophysics, cosmology and astronomy (3) 3
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european southern observatory (3) 3
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mass-metallicity relation (3) 3
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optical properties (3) 3
origin (3) 3
physics (3) 3
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1. Full Text Supermassive black holes hidden in the outskirts of galaxies
by Mieske, Steffen
Proceedings of the International Astronomical Union, ISSN 1743-9213, 03/2016, Volume 11, Issue S321, pp. 285 - 285
AbstractUltra-Compact dwarf galaxies, which inhabit the outskirts of galaxies, may conceal a significant population of hitherto overlooked super-massive black... 
Compact galaxies | Dwarf galaxies | Black holes
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2. Full Text A supermassive black hole in an ultra-compact dwarf galaxy
by Seth, Anil C and Van Den Bosch, Remco and Mieske, Steffen and Baumgardt, Holger and Brok, Mark Den and Strader, Jay and Neumayer, Nadine and Chilingarian, Igor and Hilker, Michael and McDermid, Richard and Spitler, Lee and Brodie, Jean and Frank, Matthias J and Walsh, Jonelle L
Nature, ISSN 0028-0836, 09/2014, Volume 513, Issue 7518, pp. 398 - 400
Ultra-compact dwarf galaxies are among the densest stellar systems in the Universe. These systems have masses of up to 2 x 10(8) solar masses, but half-light... 
MULTI-GAUSSIAN EXPANSION | MODELS | STAR-CLUSTERS | MULTIDISCIPLINARY SCIENCES | HOST GALAXIES | ACCRETION | INITIAL MASS FUNCTION | ACS FORNAX CLUSTER | STELLAR-SYSTEMS | SPECTRA | GLOBULAR-CLUSTER G1 | Discovery and exploration | Observations | Optical properties | Black holes (Astronomy) | Confidence intervals | Space telescopes | Black holes | Star & galaxy formation | Stars & galaxies | Light
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3. Full Text Dynamical versus stellar masses of ultracompact dwarf galaxies in the Fornax cluster
by Chilingarian, Igor V and Mieske, Steffen and Hilker, Michael and Infante, Leopoldo
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2011, Volume 412, Issue 3, pp. 1627 - 1638
The origin of ultracompact dwarf (UCD) galaxies, compact extragalactic stellar systems, is still a puzzle for present galaxy formation models. We present the... 
galaxies: dwarf | galaxies: elliptical and lenticular, cD | galaxies: kinematics and dynamics | galaxies: evolution | galaxies: stellar content | Galaxies: stellar content | Galaxies: elliptical and lenticular, cD | Galaxies: evolution | Galaxies: kinematics and dynamics | Galaxies: dwarf | Galaxies | Analysis | Star & galaxy formation | Stars & galaxies | Spectrum analysis | Astronomy | Clusters | Astronomical bodies | Stellar mass | Dwarf galaxies | Physics - Cosmology and Nongalactic Astrophysics
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4. Full Text Hubble flow variations as a test for inhomogeneous cosmology ?
by Saulder, Christoph and Mieske, Steffen and Van Kampen, Eelco and Zeilinger, Werner W
Astronomy and Astrophysics, ISSN 0004-6361, 02/2019, Volume 622, p. A83
Context. Backreactions from large-scale inhomogeneities may provide an elegant explanation for the observed accelerated expansion of the universe without the... 
dark energy | large-scale structure of universe | cosmology: observations | GALAXY REDSHIFT SURVEY | GENERAL-RELATIVITY | large-scale structure of Universe | MORPHOLOGY-DENSITY RELATION | PROBE WMAP OBSERVATIONS | GRAVITATIONAL ENERGY | SPACE | EVOLUTION | ASTRONOMY & ASTROPHYSICS | FUNDAMENTAL PLANE | AVERAGE PROPERTIES | Galaxies | Computer simulation | Deformation mechanisms | Test procedures | Universe | Regression analysis | Statistical tests | Dark matter | Simulation | Cold dark matter | Measurement methods | Cosmology | Galaxy distribution | Dark energy | Expansion | Catalogs
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5. Full Text The specific frequencies of ultra-compact dwarf galaxies
by Mieske, S and Hilker, M and Misgeld, I
Astronomy and Astrophysics, ISSN 0004-6361, 2011, Volume 537, p. A3
Context. One formation channel discussed for ultra-compact dwarf galaxies (UCDs) is that of massive star clusters, and the other main scenario is that of... 
Galaxies: clusters: general | Galaxies: nuclei | Galaxies: star formation | Galaxies: star clusters: general | Galaxies: dwarf | galaxies: clusters: general | LOCAL GROUP | galaxies: star formation | STELLAR-SYSTEMS | LUMINOSITY FUNCTION | galaxies: dwarf | FORMATION EFFICIENCIES | VIRGO-CLUSTER | OMEGA-CENTAURI | GLOBULAR-CLUSTER SYSTEMS | ASTRONOMY & ASTROPHYSICS | FORNAX CLUSTER | MASSIVE STAR-CLUSTERS | galaxies: nuclei | NGC 1399 | galaxies: star clusters: general | Physics - Cosmology and Nongalactic Astrophysics
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6. Full Text An Extreme IMF as an Explanation for High M/L Ratios in UCDs? The CO Index as a Tracer of Bottom-heavy IMFs
by Mieske, Steffen and Kroupa, Pavel
The Astrophysical Journal, ISSN 0004-637X, 04/2008, Volume 677, Issue 1, pp. 276 - 282
A new type of compact stellar systems, labeled "ultracompact dwarf galaxies'' (UCDs), was discovered in the last decade. Recent studies show that their... 
Globular clusters: general | Dark matter | Stars: luminosity function, mass function | Techniques: spectroscopic | Galaxies: dwarf | METALLICITIES | COMPACT DWARF GALAXIES | POPULATION SYNTHESIS | stars : luminosity function | STELLAR-SYSTEMS | ORIGIN | mass function | SPECTROSCOPY | ASTRONOMY & ASTROPHYSICS | FORNAX CLUSTER | techniques : spectroscopic | MASSIVE STAR-CLUSTERS | SATELLITES | galaxies : dwarf | dark matter | globular clusters : general | GLOBULAR-CLUSTERS | Physics - Cosmology and Nongalactic Astrophysics | Physics - Earth and Planetary Astrophysics | Physics - Instrumentation and Methods for Astrophysics | Physics - High Energy Astrophysical Phenomena | Physics - Solar and Stellar Astrophysics | Physics - Astrophysics of Galaxies
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7. Full Text Low-mass X-ray binaries indicate a top-heavy stellar initial mass function in ultracompact dwarf galaxies
by Dabringhausen, Jörg and Kroupa, Pavel and Pflamm-Altenburg, Jan and Mieske, Steffen
Astrophysical Journal, ISSN 0004-637X, 03/2012, Volume 747, Issue 1, pp. 72 - 13
It has been shown before that the high mass-to-light ratios of ultracompact dwarf galaxies (UCDs) can be explained if their stellar initial mass function (IMF)... 
galaxies: dwarf | galaxies: starburst | stars: luminosity function, mass function | galaxies: stellar content | stars: neutron | VIRGO CLUSTER SURVEY | STAR-CLUSTERS | STARBURSTS | INFRARED GALAXIES | MAGNITUDE | EVOLUTION | LIGHT RATIOS | ASTRONOMY & ASTROPHYSICS | DARK-MATTER | SYSTEMS | GLOBULAR-CLUSTERS | Supernovae | Starburst galaxies | Dwarf galaxies | Binary stars | Stars | X-ray sources | Initial mass function | Invariants | X-ray stars | LUMINOSITY | MATTER | X RADIATION | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | NEUTRON STARS | MASS | COSMIC X-RAY SOURCES | GALAXIES | SUPERNOVAE | BLACK HOLES
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8. Full Text Dissolution is the solution: On the reduced mass-to-light ratios of Galactic globular clusters
by Kruijssen, J.M.D and Mieske, S
Astronomy and Astrophysics, ISSN 0004-6361, 06/2009, Volume 500, Issue 2, pp. 785 - 799
Context. The observed dynamical mass-to-light (M/L) ratios of globular clusters (GCs) are systematically lower than the value expected from "canonical" simple... 
Galaxy: Stellar content | Galaxies: Star clusters | Galaxy: Globular clusters: General | TIDAL FIELDS | STAR-CLUSTERS | DYNAMICAL EVOLUTION | galaxies: star clusters | COMPACT DWARF GALAXIES | STELLAR-SYSTEMS | MAIN-SEQUENCE | Galaxy: stellar content | Galaxy: globular clusters: general | ASTRONOMY & ASTROPHYSICS | PHOTOMETRIC EVOLUTION | DARK-MATTER | DISRUPTION TIME-SCALES | MILKY-WAY | Physics - Astrophysics of Galaxies
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9. Full Text An Extreme IMF as an Explanation for HighM/LRatios in UCDs? The CO Index as a Tracer of Bottom‐heavy IMFs
by Mieske, Steffen and Kroupa, Pavel
The Astrophysical Journal, ISSN 0004-637X, 04/2008, Volume 677, Issue 1, pp. 276 - 282
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10. Full Text On central black holes in ultra-compact dwarf galaxies
by Mieske, S and Frank, M.J and Baumgardt, H and Lützgendorf, N and Neumayer, N and Hilker, M
Astronomy and Astrophysics, ISSN 0004-6361, 2013, Volume 558, pp. A14 - np
Context. The dynamical mass-to-light (M/L) ratios of massive ultra-compact dwarf galaxies (UCDs) are about 50% higher than predicted by stellar population... 
Galaxies: clusters: general | Galaxies: nuclei | Galaxies: interactions | Stars: kinematics and dynamics | Galaxies: star clusters: general | Galaxies: dwarf | RADIO OBSERVATIONS | galaxies: clusters: general | galaxies: interactions | FUNDAMENTAL RELATION | POPULATION SYNTHESIS | STELLAR-SYSTEMS | galaxies: dwarf | ACS VIRGO CLUSTER | ASTRONOMY & ASTROPHYSICS | FORNAX CLUSTER | TO-LIGHT RATIOS | NUCLEAR STAR-CLUSTERS | stars: kinematics and dynamics | galaxies: nuclei | INITIAL MASS FUNCTION | galaxies: star clusters: general | GLOBULAR-CLUSTERS | Elevated | Galaxies | Dwarf galaxies | Progenitors (astrophysics) | Black holes (astronomy) | Mathematical models | Dispersions | Astronomy | Physics - Cosmology and Nongalactic Astrophysics
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11. Full Text The curious case of Palomar 13: the influence of the orbital phase on the appearance of galactic satellites
by Küpper, Andreas H. W and Mieske, Steffen and Kroupa, Pavel
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2011, Volume 413, Issue 2, pp. 863 - 877
We investigate the dynamical status of the low-mass globular cluster Palomar 13 by means of N-body computations to test whether its unusually high... 
globular clusters: individual: Palomar 13 | galaxies: star clusters: general | galaxies: kinematics and dynamics | Galaxies: star clusters: general | Galaxies: kinematics and dynamics | Globular clusters: individual: Palomar 13 | STAR-CLUSTERS | EVOLUTION | ASTRONOMY & ASTROPHYSICS | MASS | DARK-MATTER | MILKY-WAY | DWARF SPHEROIDAL GALAXY | TAILS | HALO | GLOBULAR-CLUSTERS | KINEMATICS | Stars & galaxies | Orbits | Astrophysics
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12. Full Text The matter distribution in the local Universe as derived from galaxy groups in SDSS DR12 and 2MRS
by Saulder, Christoph and Van Kampen, Eelco and Chilingarian, Igor V and Mieske, Steffen and Zeilinger, Werner W
Astronomy and Astrophysics, ISSN 0004-6361, 12/2016, Volume 596, p. A14
Context. Friends-of-friends algorithms are a common tool to detect galaxy groups and clusters in large survey data. In order to be as precise as possible, they... 
Galaxies: clusters: general | Galaxies: statistics | Galaxies: distances and redshifts | Large-scale structure of Universe | RICH CLUSTERS | galaxies: clusters: general | STAR-FORMATION HISTORIES | MASS RECONSTRUCTION PROJECT | 7TH DATA RELEASE | ASSEMBLY GAMA | large-scale structure of Universe | MORPHOLOGY-DENSITY RELATION | PROBE WMAP OBSERVATIONS | galaxies: statistics | galaxies: distances and redshifts | DIGITAL SKY SURVEY | ASTRONOMY & ASTROPHYSICS | REDSHIFT SURVEY | STELLAR MASS | Algorithms | Planes | Computer simulation | Galaxies | Local group (astronomy) | Calibration | Estimates | Catalogs
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13. Full Text EXPLODING SATELLITES - The TIDAL DEBRIS of the ULTRA-FAINT DWARF GALAXY HERCULES
by Küpper, Andreas H.W and Johnston, Kathryn V and Mieske, Steffen and Collins, Michelle L.M and Tollerud, Erik J
Astrophysical Journal, ISSN 0004-637X, 01/2017, Volume 834, Issue 2, p. 112
The ultra-faint satellite galaxy Hercules has a strongly elongated and irregular morphology with detections of tidal features up to 1.3 deg (3 kpc) from its... 
galaxies: dwarf | Galaxy: halo | galaxies: individual (Hercules) | Galaxy: kinematics and dynamics | dark matter | MILKY-WAY SATELLITES | STREAMS | EVOLUTION | CLUSTERS | ASTRONOMY & ASTROPHYSICS | MASS | ORBITS | DARK-MATTER | TAILS | MORPHOLOGY | KINEMATICS
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14. Full Text The impact of stripped nuclei on the supermassive black hole number density in the local universe
by Voggel, Karina T and Seth, Anil C and Baumgardt, Holger and Mieske, Steffen and Pfeffer, Joel and Rasskazov, Alexander
Astrophysical Journal, ISSN 0004-637X, 02/2019, Volume 871, Issue 2, p. 159
The recent discovery of supermassive black holes (SMBHs) in high mass ultra-compact dwarf galaxies (UCDs) suggests that at least some UCDs are the nuclear star... 
quasars: Supermassive black holes | galaxies: Nuclei | galaxies: Dwarf | galaxies: Star clusters: General | galaxies: Kinematics and dynamics | DYNAMICAL EVOLUTION | COMPACT DWARF GALAXIES | POPULATION SYNTHESIS | AIMSS PROJECT | STELLAR-SYSTEMS | galaxies: dwarf | ASTRONOMY & ASTROPHYSICS | TO-LIGHT RATIOS | quasars: supermassive black holes | galaxies: kinematics and dynamics | VIRGO-CLUSTER SURVEY | RADIAL-VELOCITIES | galaxies: nuclei | INITIAL MASS FUNCTION | galaxies: star clusters: general | GLOBULAR-CLUSTERS
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15. Full Text Dozens of compact and high velocity-dispersion, early-type galaxies in Sloan Digital Sky Survey
by Saulder, Christoph and Van Den Bosch, Remco C. E and Mieske, Steffen
Astronomy and Astrophysics, ISSN 0004-6361, 06/2015, Volume 578, p. A134
Context. Passive galaxies at high redshift are much smaller than equally massive early types today. If this size evolution is caused by stochastic merging... 
Surveys | Galaxies: elliptical and lenticular, cD | Galaxies: fundamental parameters | Galaxies: peculiar | PHYSICAL-PROPERTIES | K-CORRECTIONS | DYNAMICAL MASSES | surveys | SIMILAR-TO 2 | galaxies: fundamental parameters | galaxies: peculiar | BLACK-HOLE | SAURON PROJECT | galaxies: elliptical and lenticular, cD | SUPERDENSE MASSIVE GALAXIES | ASTRONOMY & ASTROPHYSICS | QUIESCENT GALAXIES | FUNDAMENTAL PLANE | DATA RELEASE | Red shift | Galaxies | Merging | Sky surveys (astronomy) | Universe | Compact galaxies | Astronomy | Dispersion | Physics - Astrophysics of Galaxies
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16. Full Text Unveiling a rich system of faint dwarf galaxies in the next generation fornax survey
by Muñoz, Roberto P and Eigenthaler, Paul and Puzia, Thomas H and Taylor, Matthew A and Ordenes-Briceño, Yasna and Alamo-Martínez, Karla and Ribbeck, Karen X and Ángel, Simón and Capaccioli, Massimo and Côté, Patrick and Ferrarese, Laura and Galaz, Gaspar and Hempel, Maren and Hilker, Michael and Jordán, Andrés and Lançon, Ariane and Mieske, Steffen and Paolillo, Maurizio and Richtler, Tom and Sánchez-Janssen, Ruben and Zhang, Hongxin
Astrophysical Journal Letters, ISSN 2041-8205, 11/2015, Volume 813, Issue 1, pp. L15 - 6
We report the discovery of 158 previously undetected dwarf galaxies in the Fornax cluster central regions using a deep coadded u-, g-, and i-band image... 
galaxies: dwarf | galaxies: elliptical and lenticular, cD | galaxies: clusters: individual (Fornax) | VIRGO CLUSTER SURVEY | POPULATION | PROFILES | TELESCOPE | ULTRA-DIFFUSE GALAXIES | GLOBULAR-CLUSTER | PHOTOMETRY | ASTRONOMY & ASTROPHYSICS | FOSSILS | COMA | KINEMATICS | Galactic clusters | Nucleation | Galaxies | Dwarf galaxies | Asymptotic properties | Surface brightness | Luminosity | Cameras | Physics - Astrophysics of Galaxies
Journal Article