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1 results

  • B-supergiants in IC1613: testing low-Z massive star physics and evolution

  • Inés Camacho, Miriam García, Miguel A. Urbaneja, Artemio Herrero
  • Journal:
    Proceedings of the International Astronomical Union / Volume 12 / Issue S329 / November 2016
    Published online by Cambridge University Press:
    28 July 2017, p. 389
    Print publication:
    November 2016
    • Article
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  • The physical processes taking place in massive stars during their life and death are highly dependent on the metallicity (Z) of their parent cloud. Observations of these stars in low-Z nearby galaxies are crucial to understand these processes. IC1613 is the nearest Local Group galaxy with ongoing star formation and O-abundance lower than the SMC, although UV spectroscopy suggests it is not so metal poor. We performed a spectral analysis of early B-type stars in the galaxy, obtaining physical parameters and abundances. Our results confirm the low O-abundance of IC1613.