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The Unified Cluster Catalogue: towards a comprehensive and homogeneous database of stellar clusters
G. I. Perren, M. S. Pera, H. D. Navone +1
We introduce the Unified Cluster Catalogue, the largest catalogue of stellar clusters currently listing nearly 14000 objects. In this initial release it exclusively contains Milky…
The multiplicity fraction in 202 open clusters from Gaia
J. Donada, F. Anders, C. Jordi +7
In this study, we estimate the fraction of binaries with high mass ratios for 202 open clusters in the extended solar neighbourhood (closer than 1.5 kpc from the Sun). This is one…
An analysis of the most distant catalogued open clusters -- Re-assessing fundamental parameters with Gaia EDR3 and
G. I. Perren, M. S. Pera, H. D. Navone +1
Several studies have been presented in the last few years applying some kind of automatic processing of data to estimate the fundamental parameters of open clusters. These paramete…
pyUPMASK: an improved unsupervised clustering algorithm
M. S. Pera, G. I. Perren, A. Moitinho +2
Aims. We present pyUPMASK, an unsupervised clustering method for stellar clusters that builds upon the original UPMASK package. Its general approach makes it plausible to be applie…
Embedded clusters: upgrading visual and infrared photometric analysis with Gaia DR2 and ASteCA
E. E. Giorgi, G. R. Solivella, A. Cruzado +3
Embedded clusters are groups of stars which have not dispersed yet the residual of the parental cloud where they were born so getting precise distances and properties of these grou…
Sixteen overlooked open clusters in the fourth Galactic quadrant. A combined analysis of UBVI photometry and Gaia DR2 with ASteCA
G. I. Perren, E. E. Giorgi, A. Moitinho +3
Aims: This paper has two main objectives: (1) To determine the intrinsic properties of 16 faint and mostly unstudied open clusters in the poorly known sector of the Galaxy at 270$^…
Astrophysical properties of star clusters in the Magellanic Clouds homogeneously estimated by
Gabriel I. Perren, Andrés E. Piatti, Rubén A. Vázquez
Aims. To produce an homogeneous catalog of astrophysical parameters of 239 resolved star clusters located in the Small and Large Magellanic Clouds, observed in the Washington photo…
The nearby Galaxy structure toward the Vela Gum nebula
E. E. Giorgi, G. R. Solivella, G. I. Perren +1
We report on photometry and spectroscopy for MK classification purposes carried out in the fields of five open clusters projected against the Vela Gum in the Third Galactic…
ASteCA - Automated Stellar Cluster Analysis
Gabriel I. Perren, Rubén A. Vázquez, Andrés E. Piatti
We present ASteCA (Automated Stellar Cluster Analysis), a suit of tools designed to fully automatize the standard tests applied on stellar clusters to determine their basic paramet…
A couple of recent developments in the structure of the outer disk of the Milky Way
G. Carraro, G. Perren, R. A. Vázquez +1
In this contribution we summarize recent achievements by our group on the understanding of the structure of the outer Galactic disk, with particular emphasis to the outer disk exte…
Photometric distances to young stars in the inner galactic disk
Gabriel Perren, Rubén Vázquez, Giovanni Carraro
We present results of the first extensive and deep CCD photometric survey carried out in the field of the open cluster Trumpler 27, an object in the constellation of Sagittarius no…
Photometric distances to young stars in the inner Galactic disk. I. The L = 314 direction
Giovanni Carraro
The spiral structure of the Milky Way is nowadays receiving renewed attention thanks to the combined efforts of observational campaigns in different wavelength regimes, from the op…
The edge of the young Galactic disc
Giovanni Carraro, Ruben A. Vazquez, Edgardo Costa +2
In this work we report and discuss the detection of two distant diffuse stellar groups in the third Galactic quadrant. They are composed of young stars, with spectral types ranging…