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Browsing by Subject "Open star clusters"

Browsing by Subject "Open star clusters"

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  • A Comprehensive Study of Five Intermediate-age Pismis (2, 3, 7, 12, 15) Clusters Using Photometric and Astrometric Data from Gaia EDR3 
    Bisht, D. ,et.al.; Yadav, R. K. S. (The Astronomical Journal, 2022-11)
    Open clusters are groups of stars that form simultaneously; hence, these are excellent probes to test theories of star formation, stellar evolution, and dynamics in the Milky Way disk. We carry out a detailed photometric ...
  • A Deep Investigation of Two Poorly Studied Open Clusters Haffner 22 and Melotte 71 in the Gaia era 
    Bisht, D. ,et.al.; Yadav, R. K. S. (Publications of the Astronomical Society of the Pacific, 2022-04)
    This paper presents a deep investigation of two open clusters, Haffner 22 and Melotte 71, using astrometric and photometric data from Gaia EDR3. We identified 382 and 597 most probable cluster members with membership probability ...
  • Diagnosing Triggered Star Formation in the Galactic HII region Sh 2-142 
    Sharma, Tanvi,et.al.; Panwar, Neelam (The Astrophysical Journal, 2022-03)
    Stars are formed by gravitational collapse, spontaneously or, in some cases under the constructive influence of nearby massive stars, out of molecular cloud cores. Here we present an observational diagnosis of such ...
  • A Gaia based analysis of open cluster Berkeley 27 
    Sariya, Devesh P.,et.al.; Yadav, R.K. S. (New Astronomy, 2023-01)
    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 ...
  • Investigating Stellar Variability in the Open Cluster Region NGC 381 
    Maurya, Jayanand; Joshi, Y. C.; Panchal, A.; Gour, A. S. (Astronomical Journal, 2023-03)
    We study variable stars in the field of the open cluster NGC 381 using photometric data observed over 27 nights and identify a total of 57 variable stars, six of which are member stars. The variable stars are classified ...
  • Structural analysis of open cluster Bochum 2 
    Kaur, Harmeen et.al; Shrama, Saurabh; Verma, Aayushi; Panwar, Neelam; Ghosh, Arpan (Journal Astrophysical Astronomy, 2023-06)
    We present the results from our deep optical photometric observations of Bochum 2 (Boc2) star cluster obtained using the 1.3-m Devasthal Fast Optical Telescope along with archival photometric data from Pan-STARRS2/2MASS/UKIDSS ...

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