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New fundamental parameters of the Galactic open clusters Berkeley 26, Czernik 27, Melotte 72, NGC 2479 and BH 37
(Wiley Blackwell Publishing, Inc, 2010-03)
We have obtained CCD UBVIKC photometry down to V∼ 21.0 for the open clusters Berkeley 26, Czernik 27, Melotte 72, NGC 2479 and BH 37. The latter has never been studied before. Cluster stellar density profiles were obtained ...
Analysis of genetic association using hierarchical clustering and cluster validation indices
(Academic Press Inc Elsevier Science, 2017-10)
It is usually assumed that co-expressed genes suggest co-regulation in the underlying regulatory network. Determining sets of co-expressed genes is an important task, based on some criteria of similarity. This task is ...
XMM-Newton observations of NGC 3268 in the Antlia Galaxy Cluster: characterization of a hidden group of galaxies at z ~0.41
(Oxford University Press, 2018-09)
We report on a detailed X-ray study of the extended emission of the intracluster medium (ICM) around NGC3268 in the Antlia Cluster of galaxies, together with a characterization of an extended source in the field, namely a ...
Discovery of rotation axis alignments in Milky Way globular clusters
(EDP Sciences, 2020-06-25)
There is an increasing number of recent observational results that show that some globular clusters exhibit internal rotation while they travel along their orbital trajectories around the Milky Way center. Based on these ...
The threehundred: The structure and properties of cosmic filaments in the outskirts of galaxy clusters
(Oxford Univ Press Inc, 2021-03)
Galaxy cluster outskirts are described by complex velocity fields induced by diffuse material collapsing towards filaments, gas, and galaxies falling into clusters, and gas shock processes triggered by substructures. A ...
Simulating the spatial distribution and kinematics of globular clusters within galaxy clusters in illustris
(Oxford University Press, 2020-04)
We study the assembly of globular clusters (GCs) in 9 galaxy clusters using the cosmological simulation Illustris. GCs are tagged to individual galaxies at their infall time. The tidal removal of GCs from their galaxies ...
Open clusters
(EDP Sciences, 2018-02)
Context. Stellar physical properties of star clusters are poorly known and the cluster parameters are often very uncertain. Aims. Our goals are to perform a spectrophotometric study of the B star population in open clusters ...
Deconstructing the Antlia cluster core
(Edp Sciences, 2015-12)
Context. The present literature does not give a satisfactory answer to the question about the nature of the “Antlia galaxy cluster”. Aims. The radial velocities of galaxies found in the region around the giant ellipticals ...
Low X-Ray Luminosity Galaxy Clusters. IV. SDSS galaxy clusters at z < 0.2
(Wiley Blackwell Publishing, Inc, 2019-06)
This is the fourth of a series of papers on low X-ray luminosity galaxy clusters. The sample comprises 45 galaxy clusters with X-ray luminosities fainter than 0.7 × 1044 erg s.1 at redshifts lower than 0.2 in the regions ...
Cultural clusters and social interaction dynamics: The case of Barcelona
(SAGE, 2016-05)
Analysing the territorial dynamics of culture, particularly its tendency to form clusters, has become a study area that draws the attention of various social science disciplines. It has grown steadily in importance over ...