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1 results

  • Extra-tidal features using Gaia DR2

  • Julio A. Carballo-Bello
  • Journal:
    Proceedings of the International Astronomical Union / Volume 14 / Issue S351 / May 2019
    Published online by Cambridge University Press:
    11 March 2020, pp. 420-421
    Print publication:
    May 2019
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  • In recent years, we have gathered enough evidence showing that most of the Galactic globular clusters extend well beyond their King tidal radii and fill their Jacobi radii in the form of “extended stellar haloes”. In some cases, because of the interaction with the Milky Way, stars are able to exceed the Jacobi radius, generating tidal tails which may be used to trace the mass distribution in the Galaxy. In this work, we use the precious information provided by the space mission Gaia (photometry, parallaxes and proper motions) to analyze NGC 362 in the search for member stars in its surroundings. Our preliminar results suggest that it is possible to identify member stars and tidal features up to distances of a few degrees from the globular cluster center.