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We consider tidal masses and ages of Milky Way open clusters, as well as a simple model of their distribution. Our aim is to investigate the space of model parameters and the correspondence between modelled and observed two-dimensional…

Astrophysics of Galaxies · Physics 2025-05-21 Jonathan H. Klos , Andreas Just , Evgeny V. Polyachenko , Peter Berczik , Marina Ishchenko

We present $UBVI_C$ CCD photometry of the young open cluster Be 59 with the aim to study the star formation scenario in the cluster. The radial extent of the cluster is found to be $\sim$ 10 arcmin (2.9 pc). The interstellar extinction in…

Astrophysics · Physics 2009-11-13 A. K. Pandey , Saurabh Sharma , K. Ogura , D. K. Ojha , W. P. Chen , B. C. Bhatt , S. K. Ghosh

New photometric material is presented for 6 outer disk supposedly old, Galact ic star clusters: Berkeley 76, Haffner 4, Ruprecht 10, Haffner 7, Haffner 11, and Haffner 15, that are projected against the rich and complex Canis Major overde…

Astrophysics of Galaxies · Physics 2015-06-11 Giovanni Carraro , Yuri Beletsky , Gianni Marconi

The census of the globular clusters (GCs) in the Milky Way (MW) is still a work in progress. We explore the nature of 19 new GC candidates in the Galactic bulge, based on the analysis of their colour-magnitude diagrams (CMDs) in the…

Astrophysics of Galaxies · Physics 2022-02-09 E. R. Garro , D. Minniti , M. Gómez , J. Alonso-García , V. Ripepi , J. G. Fernández-Trincado , F. Vivanco Cádiz

In this work we improve a previously published method to calculate in a reliable way the radius of an open cluster. The method is based on the behaviour of stars in the proper motion space as the sampling changes in the position space. Here…

Astrophysics of Galaxies · Physics 2020-05-27 Nestor Sanchez , Emilio Alfaro , Fatima Lopez-Martinez

A detailed analysis of the structural, astrophysical, kinematic, and dynamical properties of the open clusters Roslund 3 and Ruprecht1 74 is carried out using CCD UBV photometry in conjunction with astrometric and photometric data from Gaia…

Astrophysics of Galaxies · Physics 2025-07-08 H. Karagoz , T. Yontan , S. Bilir , O. Plevne , T. Ak , S. Ak , R. Canbay , T. Banks

In this work we estimate, for the first time, the total masses and mass function slopes of a sample of 29 young and intermediate-age SMC clusters from CCD Washington photometry. We also derive age, interstellar reddening and structural…

Astrophysics of Galaxies · Physics 2015-06-17 F. F. S. Maia , A. E. Piatti , J. F. C. Santos

The membership determination for open clusters in noisy environments of the Milky Way is still an open problem. In this paper, our main aim is provide the membership probability of stars using proper motions and parallax values of stars…

Context. Large-scale surveys across wavelengths, aided by machine learning, have improved the detection of old open clusters in high-extinction Milky Way regions. Aims. We aim to confirm or reject automatically detected open clusters in…

Astrophysics of Galaxies · Physics 2025-03-26 C. O. Obasi , E. R. Garro , J. G. Fernández-Trincado , D. Minniti , M. Gómez , M. C. Parisi , M. Ortigoza-Urdaneta

In this study, we utilize photometric and kinematic data from \textit{Gaia} DR3 and the {\sc ASteCA} package to analyze the sparsely studied open clusters, King 2 and King 5. For King 2, we identify 340 probable members with membership…

Astrophysics of Galaxies · Physics 2025-03-25 Aly Haroon , Waleed Elsanhoury , Essam Elkholy , Abdel naby Saad , Deniz Cennet Çınar

(ABRIDGED) Recent near-IR surveys have uncovered a plethora of new globular cluster (GC) candidates towards the Milky Way bulge. These new candidates need to be confirmed as real GCs and properly characterised. We investigate the physical…

Astrophysics of Galaxies · Physics 2022-01-12 B. Dias , T. Palma , D. Minniti , J. G. Fernández-Trincado , J. Alonso-García , B. Barbuy , J. J. Clariá , M. Gomez , R. K. Saito

AIMS: In their 1st extension to the Milky Way Star Clusters (MWSC) survey, Schmeja et al. applied photometric filters to the 2MASS to find new cluster candidates that were subsequently confirmed or rejected by the MWSC pipeline. To further…

Solar and Stellar Astrophysics · Physics 2015-09-02 R. -D. Scholz , N. V. Kharchenko , A. E. Piskunov , S. Röser , E. Schilbach

We present a comprehensive photometric analysis of a young open cluster NGC 1960 (M36) along with the long-term variability study of this cluster. Based on the kinematic data of Gaia DR2, the membership probabilities of 3871 stars are…

Solar and Stellar Astrophysics · Physics 2020-01-22 Yogesh C. Joshi , Jayanand Maurya , Ancy Anna John , Alaxender Panchal , Santosh Joshi , Brijesh Kumar

We present UBVRI photometry of the open cluster NGC 2422 (age $\sim 10^8$ yr) down to a limiting magnitude $V\simeq19$. These data are used to derive the Luminosity and Mass Functions and to study the cluster spatial distribution. By…

Astrophysics · Physics 2008-11-26 L. Prisinzano , G. Micela , S. Sciortino , F. Favata

We report the first detection of the intrinsic velocity dispersion of the Arches cluster - a young (~2 Myr), massive (~10,000 Solar Mass) starburst cluster located near the Galactic center. This was accomplished using proper motion…

Astrophysics of Galaxies · Physics 2015-06-03 Will Clarkson , Andrea Ghez , Mark Morris , Jessica Lu , Andrea Stolte , Nate McCrady , Tuan Do , Sylvana Yelda

Analyzing the dynamical state of nearby young massive star clusters is essential understanding star cluster formation and evolution during their earliest stages. In this work we analyze the stellar and gas kinematics of the young massive…

Solar and Stellar Astrophysics · Physics 2021-03-03 Peter Zeidler , Elena Sabbi , Antonella Nota , Anna F. McLeod

We present a photometric and kinematical analysis of two and poorly studied open clusters; Koposov 12 (FSR 802) and Koposov 43 (FSR 848) by using cross-matched data from PPMXL and Gaia DR2 catalog. We use astrometric parameters to identify…

Astrophysics of Galaxies · Physics 2021-08-11 W. H. Elsanhoury

We present new astrophysical parameters for the open cluster NGC~6793 based on new CCD $UBV(RI)_{KC}$ photometry. We derived a reddening of $E(B-V) = 0.24 \pm 0.02$~mag and a heavy element abundance of $Z = 0.024$ ($[Fe/H] = +0.20$~dex).…

Star clusters are ideal platforms for categorising X-ray emitting stars and to study X-ray emission as a function of stellar age and activity. We present a comprehensive study of an open star cluster, NGC2527, by combining data from…

Solar and Stellar Astrophysics · Physics 2020-03-11 Nevil Shah , K. P. Singh , Annapurni Subramaniam

This study presents photometric analysis of the intermediate-age open cluster King 6, utilizing photometric data in UBV(RI)$_c$ passband and data from the 2MASS mission. The Gaia DR3 kinematic data were used to estimate the membership…

Solar and Stellar Astrophysics · Physics 2025-04-29 Vaibhav Kumar Pandey , Arvind K Dattatrey , Apara Tripathi , R K S Yadav , Shantanu Rastogi
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