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Related papers: Analysis of the young open cluster Trumpler 2 usin…

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We present a comprehensive analysis of four young open clusters, NGC 663, NGC 2301, NGC 2384, and NGC 7510, utilizing high-precision astrometric and photometric data from Gaia DR3. Cluster membership was determined using the UPMASK…

Astrophysics of Galaxies · Physics 2026-01-05 W. H. Elsanhoury , S. Taşdemir , D. C. Çınar , R. Canbay , A. A. Haroon , A. Ahmed

We present deep UBVI photometry for Trumpler 20, a rich, intermediate-age open cluster located at l=301.47, b=+2.22 (RA=12:39:34, DEC=-60:37:00, J2000.0) in the fourth Galactic quadrant. In spite of its interesting properties, this cluster…

Astrophysics of Galaxies · Physics 2015-05-19 Giovanni Carraro , Edgardo Costa , Javier Ahumada

Context. Open clusters are very good tracers of the evolution of the Galactic disc. Thanks to Gaia, their kinematics can be investigated with an unprecedented precision and accuracy. Aims. The distribution of open clusters in the 6D phase…

The supermassive black hole at the center of the Milky Way plays host to a massive, young cluster that may have formed in one of the most inhospitable environments in the Galaxy. We present new measurements of the global properties of this…

Solar and Stellar Astrophysics · Physics 2015-06-12 Jessica R. Lu , Tuan Do , Andrea M. Ghez , Mark R. Morris , Sylvana Yelda , Keith Matthews

We report a detailed investigation of three intermediate-to-old age open clusters, Berkeley 17, Berkeley 18, and Berkeley 39, utilizing precise astrometric and photometric data from Gaia DR3. Cluster membership was robustly determined…

Astrophysics of Galaxies · Physics 2026-01-22 A. Ahmed , W. H. Elsanhoury , D. C. Çınar , S. Taşdemir , R. Canbay , A. A. Haroon , M. S. Alenazi

The nearby open cluster NGC 752 presents a rare opportunity to study stellar properties at ages >1 Gyr. However, constructing a membership catalog for it is challenging; most surveys have been limited to identifying its giants and dwarf…

Open clusters have long been used as tracers of Galactic structure. However, without a selection function to describe the completeness of the cluster census, it is difficult to quantitatively interpret their distribution. We create a method…

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

We have performed a detailed analysis of the Czernik 3 (Cz3) open cluster by using deep near-infrared photometry taken with TIRCAM2 on 3.6m Devasthal optical telescope along with the recently available high quality proper motion data from…

Astrophysics of Galaxies · Physics 2020-09-30 Saurabh Sharma , Arpan Ghosh , D. K. Ojha , R. Pandey , T Sinha , A. K. Pandey , S. K. Ghosh , N. Panwar , S. B. Pandey

This study outlines a detailed investigation using CCD {\it UBV} and {\it Gaia} DR3 data sets of the two open clusters Ruprecht 1 (Rup-1) and Ruprecht 171 (Rup-171). Fundamental astrophysical parameters such as color excesses, photometric…

Solar and Stellar Astrophysics · Physics 2024-09-05 Hikmet Çakmak , Talar Yontan , Selçk Bilir , Timothy S. Banks , Raúl. Michel , Esin Soydugan , Seliz Koç , Hülya Erçay

In this study, we considered the optical wavelength of Gaia DR3 to analyze poorly studied three newly open star clusters namely OCSN 203, OCSN 213, and OCSN 244 clusters with ASTECA code. Here, we identified candidates of 227, 200, and 551…

Solar and Stellar Astrophysics · Physics 2024-12-12 W. H. Elsanhoury , Haroon A. A , E. A. Elkholy , D. C. Çınar

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

The physical nature of a series of 20 new open clusters is confirmed employing existing data on putative star members, mainly from second Gaia Data Release (DR2). The clusters were discovered as overdensities of stars by visual inspection…

Solar and Stellar Astrophysics · Physics 2021-06-23 Juan Casado

We present new UBVI_C CCD photometry of the young open clusters Trumpler 14 (Tr 14) and Trumpler 16 (Tr 16) in the eta Carina nebula. We also identify the optical counterpart of Chandra X-ray sources and Two Micron All Sky Survey point…

Solar and Stellar Astrophysics · Physics 2015-06-03 Hyeonoh Hur , Hwankyung Sung , Michael S. Bessell

In Gaia DR2, the unprecedented high-precision level reached in sub-mas for astrometry and mmag for photometry. Using cluster members identified with these astrometry and photometry in Gaia DR2, we can obtain a reliable determination of…

Astrophysics of Galaxies · Physics 2020-09-02 Jing Zhong , Li Chen , Di Wu , Lu Li , Leya Bai , Jinliang Hou

This study reports the first comprehensive astrometric, photometric and kinematical analysis of four newly discovered open clusters; namely QC1, QC2, QC3, and QC4, using astrometric and photometric data from the most recent Gaia EDR3 for…

Solar and Stellar Astrophysics · Physics 2022-05-25 W. H. Elsanhoury , Magdy Y. Amin , A. A. Haroon , Z. Awad

COIN-Gaia 13 is a newly discovered open cluster revealed by Gaia DR2 data. It is a nearby open cluster with a distance of about 513 pc. Combined with the five-dimensional astrometric data of Gaia EDR3 with higher accuracy, we use the…

Astrophysics of Galaxies · Physics 2022-04-26 Leya Bai , Jing Zhong , Li Chen , Jing Li , Jinliang Hou

This study presents structural and fundamental astrophysical parameters of poorly studied open cluster NGC 2509. We used the third photometric and astrometric data release of the Gaia (Gaia DR3) to perform analyses. By taking into account…

Astrophysics of Galaxies · Physics 2023-09-12 T. Yontan , S. Koc

As part of a long term programme, we analyse the evolutionary status and properties of the old and populous open cluster Trumpler 5 (Tr 5), located in the Galactic anticentre direction, almost on the Galactic plane. Tr 5 was observed with…

Solar and Stellar Astrophysics · Physics 2015-06-23 P. Donati , G. Cocozza , A. Bragaglia , E. Pancino , T. Cantat-Gaudin , R. Carrera , M. Tosi

We present a statistical and multiwavelength photometric studies of young open cluster IC 1590. We identified 91 cluster members using $Gaia$ DR3 astrometry data using ensemble-based unsupervised machine learning techniques. From $Gaia$…

Astrophysics of Galaxies · Physics 2024-02-26 A. H. Sheikh , Biman J. Medhi