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Browsing Department of Physics by Subject "Berkeley 17 / methods"

Browsing Department of Physics by Subject "Berkeley 17 / methods"

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  • The blue straggler population of the old open cluster Berkeley 17 
    Vaidya, Kaushar (The European Southern Observatory, 2019)
    Blue straggler stars (BSSs) are observed in Galactic globular clusters and old open clusters. The radial distribution of BSSs has been used to diagnose the dynamical evolution of globular clusters. For the first time, with ...
  • Disintegration of the Aged Open Cluster Berkeley 17 
    Vaidya, Kaushar (IOP, 2017)
    We present the analysis of the morphological shape of Berkeley 17, the oldest known open cluster (∼10 Gyr), using the probabilistic star counting of Pan-STARRS point sources, and confirm its core-tail shape, plus an antitail, ...
  • Tidal disruption of the aged open cluster Berkeley 17 
    Vaidya, Kaushar (IOP, 2017)
    Berkeley 17 is known to show a core-tail morphology. Pan-STARRS 1 photometry complete to gP1 ≈ 21.5 mag reveals the effect of mass segregation between the core and the tail (and an antitail). Furthermore, there is an overall ...

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