Milky Way Globular Clusters
Absolute Hubble Space Telescope proper motion (HSTPROMO) of distant Milky Way globular clusters : galactocentric space velocities and the Milky Way mass.
... most clusters are within the range of N DF with a few ...these clusters may be somewhat ...two clusters, the scatter among the individual data points is larger with respect to the final uncertainty ...
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The binary populations of eight globular clusters in the outer halo of the Milky Way
... A B S T R A C T We analyse colour–magnitude diagrams of eight globular clusters (GCs) in the outer Galactic halo. Images were taken with the Wide Field Channel of the Advanced Camera for Survey and the ...
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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 ...
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Gaia Data Release 2. Kinematics of globular clusters and dwarf galaxies around the Milky Way
... Fig. 21. Orbits integrated backward in time for 2.5 Gyr for the different dwarfs shown in different colours using the potential of Model-2. Fig. 22. Distribution of orbital parameters for the dSph. The different colours ...
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The Milky Way. The Milky Way
... Most globular clusters contain at least a few RR Lyrae variable stars, whose absolute magnitudes are ...a globular cluster, and hence to the cluster itself, can therefore be calculated from its ...
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Insights into the chemical composition of the metal poor Milky Way halo globular cluster NGC 6426
... – globular clusters: individual: NGC 6426 ...the Milky Way (MW) are metal-poor globular clusters ...the clusters studied until today originated from one rather short burst ...
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Probing the Milky Way
... to young globular clusters and super star clusters found in galaxies with high rates of star formation. Located behind the Great Cygnus Rift, Cyg OB2 is heavily obscured at optical wavelengths, but ...
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Extended Structures in Globular Clusters
... the Milky Way globular cluster M2 for the presence of low surface brightness substructures, using deep wide-field imaging mosaics from MegaCam and ...
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The inner Galactic globular clusters
... Galactic globular clusters located towards the inner regions of the Milky Way have been historically neglected, mainly due to the difficulties caused by the presence of an elevated extinction ...
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Populations and Components of the Milky Way
... metal-poor globular clusters into young and old groups; the old clusters have a flattened distribution, a definite radial metalicity gradient, and weak prograde rotation, while the young ...
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Globular clusters: DNA of early-type galaxies?
... ¯, in approximate agreement with the results presented in this paper regarding to these clusters and their associated bulge-like structures. In contrast with that landscape, and as noted by Leaman et al. ( 2013 ; ...
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Dynamical formation of millisecond pulsars in globular clusters
... In addition to the N 0 –Γ c relation, we have also found a positive correlation between N 0 and the metallicity of the GCs. It has been noted that observational evidence suggests that bright LMXBs are preferably formed ...
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Chemical abundances and kinematic properties of Galactic globular clusters
... some clusters (Pumo et ...the clusters must have been 10 − 100 times more massive than we see them ...the Milky Way halo because they bear the same chemical signature as genuine field ...
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Masses of globular clusters
... suitable stellar spectra for a range of velocity dispersions, comparing these with the cluster spectra and selecting the velocity dispersion giving the best match.[r] ...
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Peering into the Milky Way disk: Gaia's Perspective of our Galaxy's Open Clusters
... Zusammenfassung In der Prä-Gaia Ära war der Katalog der offenen Sternhaufen in der Milchstraße (MWSC, engl. Milky Way Star Clusters) eine der größten Sammlungen von offenen Sternhaufen und deren ...
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The structure and content of globular clusters
... constructing a model or a particular cluster. Further, the observational data required to limit the range of possible cluster models are listed. In Chapter III the[r] ...
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Young globular clusters in NGC1316
... We present multi-object spectroscopy of the inner zone of the globular cluster (GC) system associated with the intermediate-age merger remnant NGC 1316. Using the multi-object mode of the GMOS camera, we obtained ...
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Post-Collapse evolution of globular clusters
... Sugimoto and Bettwieser (1983, Bettwieser and Sugimoto 1984) found that the post-collapse expan- sion is unstable if the energy production is inefficient. In the unstable case, the central density showed an oscillation ...
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The structure of the southern Milky Way
... the clusters are derived and compared with that of the OB ...associations, clusters, high luminosity stars and H II regions are compared with that determined by Kerr for neutral atomic ...
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Simulating the Milky Way is hard
... Abstract. The formation of the Milky Way in the currently accepted concordance cosmology presents a couple of pitfalls. Mostly, these involve the much reported overcooling problem. If gas is allowed to ...
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