Comparison with other globular clusters
The Acs Survey of Globular Clusters. Xiii. Photometric Calibration in Comparison with Stetson Standards
... Some clusters con- tain only RGB stars ...several other target clusters, not due to contamination by field stars, but because they do not follow the “single stellar population” paradigm as shown by ...
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The inner Galactic globular clusters
... the comparison and results in a paper that we are currently ...A comparison of the distances to the clusters obtained from the isochrone fitting with the ones provided in the Harris catalog shows, in ...
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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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Dynamical formation of millisecond pulsars in globular clusters
... metal-rich clusters in our Milky Way as well as other galaxies ...in comparison to their metal-rich counterparts can be responsible, since the absence of magnetic braking in such stars precludes ...
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Chemical abundances and kinematic properties of Galactic globular clusters
... Figure 2.11: A comparison between the r- and s-process enrichment in M 75 (blue dots) and NGC 1851 (red dots). The figure clearly reveals the different enrichment history between the two GCs. 2.6 Summary In this ...
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Early disc accretion as the origin of abundance anomalies in globular clusters
... a comparison between the observed and predicted abundances (spreads and extreme values) shows overall good agree- ment, with the potential exceptions of O and Mg in a minority of ...
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Globular clusters as probes of dark matter cusp-core transformations
... 10. Comparison of R L eff and luminosity for the GCs sim- ulated in this work and observed GCs in Fornax (F), NGC6822 (NGC), IKN (as marked), the Small Magellanic Cloud (SMC), Sagittarius (Sag), the Milky Way (MW; ...
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Mass Loss from Red Giant Stars in Globular Clusters
... ThAr comparison lamp obtained during the afternoon and not before and after the scientific ...observed clusters are at a very different position on the ...
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Sodium abundances of AGB and RGB stars in Galactic globular clusters
... For the Na abundances, the comparison is between spec- trum synthesis (ours) and EW-based abundances (Carretta et al. 2006), but it is more cumbersome because we used only the 6154−6160 Å doublet, while Carretta ...
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HST colour–magnitude diagrams of six old globular clusters in the LMC
... PHOTOMETRY routine, we performed aperture photometry on each of the 200 stars out to 0.5 arcsec. After matching the aperture photometry lists with the D o PHOT photometry list, we fitted the aperture corrections as a ...
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Chromodynamical analysis of lenticular galaxies using globular clusters and planetary nebulae
... log(Σ D) DISK (c) NGC 7457 Figure 2. Photometric GC number density profiles (open diamonds) and galaxies’ surface brightness profiles (following the GALFIT fit from Cortesi et al., (2013)). Top panels compare photometric ...
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The Exotic Zoo of Millisecond Pulsars in Globular Clusters: a multi-wavelength study
... The comparison between the optical and X-ray light curves suggests the possible presence of an intra-binary shock, similar to that observed for the redback (RB) ...
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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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Extended Structures in Globular Clusters
... 3.5 Conclusions We have searched the region surrounding the Milky Way globular cluster M2 for the presence of low surface brightness substructures, using deep wide-field imaging mosaics from MegaCam and DECam. We ...
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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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Carbon Stars Open Clusters Globular Clusters Nebulae Dark Nebulae Planetary Nebulae Supernova Remnants. Galaxy Clusters Asterisms Other
... Apple Core Nebula Hourglass Nebula Diablo Nebula Butterfly Nebula. Double Headed Shot Nebula[r] ...
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Post-Collapse evolution of globular clusters
... The slope of the average core size seems to be some- what steeper. Qualitatively, it is natural that the ratio between the maximum core mass and M e is larger for larger N , since the ratio between the minimum core mass ...
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Three-colour photometry of southern globular clusters
... globular cluster colour-magnitude diagrams. It was suggested that the absolute magnitude of giants in globular clusters is directly dependent on the metal abundance.[r] ...
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Observational evidence for radial inhomogeneities in globular clusters
... The most obvious interpretation of the color gradient - T R dependence is that the color gradients result from radial gradients of some parameters, that were set[r] ...
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Long-term timing of pulsars in globular clusters
... ˙ a l, GC,max for their lines of sight. An intriguing observation is that the systems with jerks larger than the cluster mean-field expectation lie preferably at distances from the core of about 1 arcmin. This is ...
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