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相关论文: A deep study of an intermediate age open cluster S…

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We present a detailed photometric and kinematical analysis of poorly studied open cluster IC 1434 using CCD VRI, APASS, and Gaia DR2 database for the first time. BY determining the membership probability of stars, we identified the 238 most…

太阳与恒星天体物理 · 物理学 2021-09-29 Y. H. M. Hendy , D. Bisht

We carry out detailed photometric and kinematic study of the poorly studied sparse open clusters SAI 44 and SAI 45 using ground based BVR$_{c}$I$_{c}$ data supplemented by archival data from \textit{Gaia} eDR3 and Pan-STARRS. The stellar…

星系天体物理 · 物理学 2021-05-13 Jayanand Maurya , Y. C. Joshi , W. H. Elsanhoury , Saurabh Sharma

We aim to identify the cluster members, estimate cluster properties, study the dynamical state of the clusters as a function of mass, trace the existence of dynamical effects in massive stars, and check for spatial patterns of members in…

太阳与恒星天体物理 · 物理学 2025-10-21 Harsha K. H. , Annapurni Subramaniam , S. R. Dhanush , Hariharan D. S

We conducted a photometric and kinematic analysis of the young open cluster NGC 2345 using CCD \emph{UBV} data from 2-m Himalayan Chandra Telescope (HCT), \emph{Gaia} Data Release 3 (DR3), 2MASS, and the APASS datasets. We found 1732 most…

In this study, we have used the {\it Gaia} Third Data Release (Gaia DR3) to investigate an intermediate-age open cluster Collinder 74. Taking into account the stars with membership probabilities over 0.5 and inside the limiting radius of…

星系天体物理 · 物理学 2023-10-23 T. Yontan , R. Canbay

We present photometric and kinematic analysis of an intermediate age open cluster NGC 1027 using $UBV(RI)_c$ and Gaia Early Data Release 3 (EDR3) data. Structural and fundamental parameters such as cluster center, cluster extent, reddening,…

星系天体物理 · 物理学 2023-06-28 Apara Tripathi , Neelam Panwar , Saurabh Sharma , Brijesh Kumar , Shantanu Rastogi

We present a comprehensive analysis (photometric and kinematical) of poorly studied open cluster NGC 4337 using 2MASS, WISE, APASS, and Gaia~DR2 database. By determining the membership probabilities of stars, we identified 624 most probable…

In this paper, we have used the Gaia's Data Release-3 (DR3) data to study an intermediate-age open cluster Berkeley 27 (Be 27). A total of 131 most probable cluster members are picked within the cluster's radius based on the membership…

星系天体物理 · 物理学 2022-10-12 Devesh P. Sariya , Ing-Guey Jiang , D. Bisht , R. K. S. Yadav , G. Rangwal

In this paper, we present astrophysical parameters of the open cluster King 13 based on the VI CCD and 2MASS JHKs photometric data. This is a poorly studied cluster, for which new results have been found in the present work. To identify…

星系天体物理 · 物理学 2020-02-12 Alok Durgapal , D Bisht , Geeta Rangwal , Harmeen Kaur , R. K. S. Yadav

This paper investigates a poorly studied open cluster, NGC 5288, using 2MASS JHKS and the recently released Gaia DR3 astrometric and photometric data. The mean proper motions in Right Ascension and Declination are estimated as (-3.840 +/-…

星系天体物理 · 物理学 2023-05-18 Ritika Sethi , D. Bisht , Geeta Rangwal , A. Raj

This study investigates the open clusters SAI 72 and SAI 75 using Gaia DR3 data, employing the Automated Stellar Cluster Analysis (ASteCA) tool to determine their structural and fundamental properties, including center coordinates, size,…

星系天体物理 · 物理学 2025-04-23 Anwar Yousef Alzahrani , Aly Haroon , Waleed Elsanhoury , Deniz Cennet Çınar

We present the dynamical evolution of ten open clusters which were part of our previous studies. These clusters include both young and intermediate-age open clusters with ages ranging from 25$\pm$19 Myr to 1.78$\pm$0.20 Gyr. The total mass…

星系天体物理 · 物理学 2023-07-19 Jayanand Maurya , Y. C. Joshi , Manash Ranjan Samal , Vineet Rawat , Anubha Singh Gour

Pismis 18 is a moderately populated, intermediate-age open cluster located within the solar circle at a Galactocentric distance of about 7 kpc. Few open clusters have been studied in detail in the inner disc region before the Gaia-ESO…

We present UBVRI photometry of stars in the field of the intermediate-age open cluster NGC 559. By determining the stellar membership probabilities derived through a photometric and kinematic study of the cluster, we identify the 22 most…

星系天体物理 · 物理学 2015-06-17 Yogesh C. Joshi , L. A. Balona , Santosh Joshi , Brijesh Kumar

We present an investigation of the open cluster Trumpler 2 using Gaia DR3 photometric, astrometric and spectroscopic data. 92 stars were identified as likely members of the cluster, with membership probabilities greater than 0.5. The mean…

星系天体物理 · 物理学 2023-04-28 S. Tasdemir , T. Yontan

The B,V CCD photometry of 916 stars in the field of the high galactic latitude intermediate age open cluster NGC 1245 is presented. The cluster parameters were estimated with the help of V vs (B-V) colour-magnitude diagram (CMD). After…

天体物理学 · 物理学 2007-05-23 Annapurni Subramaniam

We derive fundamental parameters for the old, rich open cluster NGC 1245 using BVI photometry from the MDM 1.3m and 2.4m telescopes. Based on detailed isochrone fitting, we find NGC 1245 has a slightly sub-solar metallicity, [Fe/H]=-0.05 +-…

天体物理学 · 物理学 2009-11-10 Christopher J. Burke , B. Scott Gaudi , D. L. DePoy , Richard W. Pogge , Marc H. Pinsonneault

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…

天体物理学 · 物理学 2009-11-13 A. K. Pandey , Saurabh Sharma , K. Ogura , D. K. Ojha , W. P. Chen , B. C. Bhatt , S. K. Ghosh

We have analyzed the kinematics of open star clusters (OSCs) with the proper motions and distances calculated by Hao et al. based on Gaia EDR3 data. The mean line-of-sight velocities are known for a number of clusters from this list. We…

星系天体物理 · 物理学 2022-03-25 V. V. Bobylev , A. T. Bajkova

Fundamental astrophysical parameters have been derived for Be 55 open cluster based on UBVI CCD photometric data, observed with the AZT-22 1.5m telescope at Maidanak Astronomical Observatory in Uzbekistan. The mean reddening is obtained as…

星系天体物理 · 物理学 2021-07-07 İnci Akkaya Oralhan
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