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1 results

  • Globular cluster system of NGC 3613, a massive elliptical galaxy in a poor environment

  • Bruno J. De Bórtoli, Lilia P. Bassino, Juan P. Caso, Ana I. Ennis
  • Journal:
    Proceedings of the International Astronomical Union / Volume 14 / Issue S351 / May 2019
    Published online by Cambridge University Press:
    11 March 2020, pp. 84-88
    Print publication:
    May 2019
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  • We present an analysis of the globular cluster system (GCS) of the galaxy NGC 3613, an intrinsically bright elliptical galaxy (MV = −21.5) in a low density environment (it is the central galaxy of a group of a dozen galaxies). Based on Gemini/GMOS photometry of NGC 3613 we obtained the following properties for this GCS. A ‘blue tilt’ is detected in the colour-magnitude diagram. The colour distribution is bimodal, presenting the two classical globular cluster (GC) sub-populations. The spatial and azimuthal projected distributions show that red sub-population correlates with the stellar component of the host galaxy.