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To obtain an accurate description of broad-band photometric star cluster evolution, certain effects should be accounted for, such as the preferential loss of low-mass stars and the retain of stellar remnants. Moreover, the IMF and…

Astrophysics · Physics 2009-11-13 J. M. Diederik Kruijssen , Henny J. G. L. M. Lamers

Binary stars are common in star clusters and galaxies, but the detailed effects of binary evolution are not taken into account in some colour-magnitude diagram (CMD) studies. This paper studies the CMDs of twelve globular clusters via…

Solar and Stellar Astrophysics · Physics 2015-06-12 Zhongmu Li , Caiyan Mao , Ruheng Li , Ruxi Li , Maocai Li

We report the first search for new star clusters performed using the VISTA near-infrared YJKs Magellanic Clouds survey (VMC) data sets. We chose a pilot field of ~ 0.4 deg^2 located in the South-West of the Small Magelllanic Cloud (SMC)…

We have initiated a long-term project, the BOAO photometric survey of open clusters, to enlarge our understanding of galactic structure using UBVI CCD photometry of open clusters which have been little studied before. This is the second…

Astrophysics · Physics 2009-11-07 H. B. Ann , S. H. Lee , H. Sung , M. G. Lee , S. -L. Kim , M. -Y. Chun , Y. -B. Jeon , B. -G. Park , I. -S. Yuk

The evolution of star clusters is studied using N-body simulations in which the evolution of single stars and binaries are taken self-consistently into account. Initial conditions are chosen to represent relatively young Galactic open…

Recent studies have identified star clusters with multiple components based on accurate spatial distributions and/or proper motions from Gaia DR3, utilising diverse diagnostics to improve our understanding of subgroup evolution. These…

Solar and Stellar Astrophysics · Physics 2024-08-02 J. Gregorio-Hetem , A. Hetem

Context. Observations indicate that the fraction of potential binary star clusters in the Milky Way is either the same or lower than that of the Magellanic Clouds. The unprecedented precision in the parallax measurements by Gaia has allowed…

Solar and Stellar Astrophysics · Physics 2022-10-12 Fangfang Song , Ali Esamdin , Qingshun Hu , Mengfan Zhang

A comprehensive statistical analysis of the relationship between the chemical and spatially kinematic parameters of the globular clusters of the Galaxy has been performed. The data of the author's compilation catalog contain astrophysical…

Astrophysics of Galaxies · Physics 2020-02-26 V. A. Marsakov , V. V. Koval' , M. L. Gozha

By means of CCD photometry in three bands (Gunn g, r, i) we investigate the existence of 12 candidate clusters extracted via a model independent peak finding algorithm (\cite{memsait}) from DPOSS data. The derived color-magnitude diagrams…

Astrophysics · Physics 2009-11-07 E. Puddu , S. Andreon , G. Longo , V. Strazzullo , M. Paolillo , R. Gal

We present integrated photometry and color-magnitude diagrams (CMDs) for 24 star clusters in M33, of which 12 were previously uncataloged. These results are based on Advanced Camera for Surveys observations from the Hubble Space Telescope…

Astrophysics · Physics 2008-11-26 Ata Sarajedini , M. K. Barker , Doug Geisler , Paul Harding , Robert Schommer

In this work, we analysed young stellar clusters with spatial and kinematic coherence in the Orion star-forming complex. For this study, we selected a sample of pre-main sequence candidates using parallaxes, proper motions and positions on…

We have been represented the collective information of estimation procedures of parameters of the open clusters and put them together for showing the importance of clusters to understand their role in stellar evolution phenomenon. Moreover,…

Solar and Stellar Astrophysics · Physics 2016-06-24 Gireesh C. Joshi

To progress in galactic studies based on open clusters, e.g. cluster formation rate or kinematical properties, one needs to improve the number of open clusters observed. However, only half of the 1700 known galactic open clusters have been…

Astrophysics · Physics 2009-11-11 M. Netopil , H. M. Maitzen , E. Paunzen , A. Claret

Understanding the formation and evolution of high mass star clusters requires comparisons between theoretical and observational data to be made. Unfortunately, while the full phase space of simulated regions is available, often only partial…

Astrophysics of Galaxies · Physics 2022-10-17 Anne S. M. Buckner , Kong You Liow , Clare L. Dobbs , Tim Naylor , Steven Rieder

The sample of known star clusters, the fundamental building blocks of galaxies, in the Milky Way is still extremely incomplete for objects beyond a distance of 1-2kpc. Many of the more distant and young clusters are compact and hidden…

Astrophysics of Galaxies · Physics 2017-07-19 D. Froebrich

Reliable fundamental parameters of open clusters such as distance, age and extinction are key to our understanding of Galactic structure and stellar evolution. In this work we use {\it Gaia} DR2 to investigate 45 open clusters listed in the…

Solar and Stellar Astrophysics · Physics 2020-10-07 H. Monteiro , W. S. Dias , A. Moitinho , T. Cantat-Gaudin , J. R. D. Lépine , G. , Carraro , E. Paunzen

Change detection in heterogeneous multitemporal satellite images is a challenging and still not much studied topic in remote sensing and earth observation. This paper focuses on comparison of image pairs covering the same geographical area…

Computer Vision and Pattern Recognition · Computer Science 2017-02-13 Luigi Tommaso Luppino , Stian Normann Anfinsen , Gabriele Moser , Robert Jenssen , Filippo Maria Bianchi , Sebastiano Serpico , Gregoire Mercier

We introduce new methods for robust high-precision photometry from well-sampled images of a non-crowded field with a strongly varying point-spread function. For this work, we used archival imaging data of the open cluster M37 taken by MMT…

Instrumentation and Methods for Astrophysics · Physics 2015-06-24 S. -W. Chang , Y. -I. Byun , J. D. Hartman

Context. When trying to derive the star cluster physical parameters of the M33 galaxy using broad-band unresolved ground-based photometry, previous studies mainly made use of simple stellar population models, shown in the recent years to be…

Astrophysics of Galaxies · Physics 2015-09-16 P. de Meulenaer , D. Narbutis , T. Mineikis , V. Vansevičius

Context: Galaxy clusters at high redshift are important to test cosmological models and models for the growth of structure. They are difficult to find in wide-angle optical surveys, however, leaving dedicated follow-up of X-ray selected…

Cosmology and Nongalactic Astrophysics · Physics 2017-09-11 Andreas Rabitz , Georg Lamer , Axel Schwope , Ali Takey
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