Globular Clusters and Dwarf Galaxy Accretion
The ACS survey of galactic globular clusters. XI. The three-dimensional orientation of the Sagittarius dwarf spheroidal galaxy and its globular clusters
... Galactic globular clusters to investigate the spatial distribution of the inner regions of the disrupting Sagittarius dwarf spheroidal galaxy ...member clusters located near or in the ...
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Studying Globular Clusters in the Dwarf Galaxy NGC 247 Using Subaru Hyper Suprime-Cam Imaging
... Globular star clusters (GCs) are among the oldest (τ ∼ 10–13 Gyr) radiant objects in the universe (Harris 1991). They are densely packed ensembles of stars (half-light radii of a few parsecs; Brodie & ...
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Early disc accretion as the origin of abundance anomalies in globular clusters
... Globular clusters (GCs), once thought to be well approximated as simple stellar populations ...stellar clusters forming today, which do not display significant age spreads nor have gas/dust within ...
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Early disc accretion as the origin of abundance anomalies in globular clusters
... disc accretion is proportional to the stellar velocity and time spent in the ...massive globular clusters. If clusters form through the merger of sub-clumps, an orbital distri- bution that ...
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Intra-cluster Globular Clusters in a Simulated Galaxy Cluster
... a galaxy-cluster halo, we follow the temporal evo- lution of its globular cluster ...blue globular cluster populations, we select at high redshift (z ∼ 1) two sets of particles from individual ...
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Using the Outskirts of Galaxy Clusters to Determine their Mass Accretion Rate
... 3. Results We show the comparison between the MAR obtained with our model and the true MAR obtained from merger trees in Figure 2. For the 10 14 M h −1 sample, the true MAR from the merger trees is well within the 68% ...
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Accretion by the Galaxy
... our Galaxy show a remarkable degree of consistency, despite the very different natures of the two external galaxies and the dramatic difference in the nature of the data for our Galaxy and the external ...a ...
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The puzzling assembly of the Milky Way halo – contributions from dwarf Spheroidals and globular clusters
... 3 Department of Astronomy and Space Sciences, Ankara University, 06100 Tando ˘gan, Ankara, Turkey Abstract. While recent sky surveys have uncovered large numbers of ever fainter Milky Way satellites, their classification ...
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Gaia Data Release 2. Kinematics of globular clusters and dwarf galaxies around the Milky Way
... Lardo et al. 2015; Kamann et al. 2017), and the combination of Gaia DR2 with such datasets will be extremely powerful. We also study the Magellanic Clouds, the nine classical dSph, and include the UFD Bootes I as an ...
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Precision Distances to Dwarf Galaxies and Globular Clusters from Pan-STARRS1 3π RR Lyrae
... in globular clusters (GC) and dwarf galaxies in order to determine their distances and constrain their ...and dwarf galaxies we study here are beyond any parallax precision of Gaia DR2, which ...
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Extended Structures in Globular Clusters
... An inevitable outcome of the photometric pipeline discussed above is the extraction of non-stellar objects, together with poor-quality and/or spurious detections. These are due to a variety of different source types – ...
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The inner Galactic globular clusters
... the Galaxy, using the Magellan ...the Galaxy, to be moderately extincted and sufficiently extended, so that they present a certain degree of differential extinction over their FOV, and to be sufficiently ...
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Young globular clusters in NGC1316
... the globular cluster (GC) system associated with the intermediate-age merger remnant NGC ...this galaxy has cannibalized one or more gas-rich galaxies, where the last fusion event occurred about 2 Gyr ...
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Long-term timing of pulsars in globular clusters
... Although 47 Tuc has a high stellar interaction rate, Γ GC (which favours the recycling of straggling neutron stars and, thus, the formation of MSPs), its interaction rate per binary, γ b is rather low (Verbunt & Freire, ...
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Globular clusters: DNA of early-type galaxies?
... decreasing galaxy brightness) and show a feature already noticed by Peng et ...decreasing galaxy brightness and disappears for the faintest ...the galaxy mass ...
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Dynamical formation of millisecond pulsars in globular clusters
... the Galaxy. To probe the production mechanism of MSPs in clusters, a search of the possible relationships between the MSP population and cluster properties was carried ...words: globular ...
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The Assembly of Massive Galaxy Clusters
... into galaxy evolution in the cluster and intercluster filamentary environments, and follow the evolution of the large scale structure of the universe over 4 billion ...to galaxy survey data from the Sloan ...
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Galaxy And Mass Assembly (GAMA) : the unimodal nature of the dwarf galaxy population
... nearby galaxy population, as opposed to the number of classes we inferred from our visual ...the dwarf galaxies separate into different clusters in the full multidimensional parameter space that may ...
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The Nucleus of the Sagittarius Dwarf Spheroidal Galaxy: M54
... merged clusters strongly depends on the conditions, as the orbital configuration and relaxation conditions of the merging clusters, do not always result in a high- rotating structure (Mastrobuono-Battisti ...
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MOCCA-SURVEY database I. Accreting white dwarf binary systems in globular clusters - I. Cataclysmic variables - present-day population
... in globular clusters is, mainly, in the last stage of their evolution and observational selection effects can drastically change the expected number of observed cataclysmic ...
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