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Rapidly rotating second-generation progenitors for the ‘blue hook’ stars of ω Centauri

Author

Listed:
  • Marco Tailo

    (INAF-Osservatorio Astronomico di Roma
    Universitá degli Studi di Roma ‘La Sapienza’)

  • Francesca D’Antona

    (INAF-Osservatorio Astronomico di Roma)

  • Enrico Vesperini

    (Indiana University)

  • Marcella Di Criscienzo

    (INAF-Osservatorio Astronomico di Roma)

  • Paolo Ventura

    (INAF-Osservatorio Astronomico di Roma)

  • Antonino P. Milone

    (Research School of Astronomy and Astrophysics, Australian National University)

  • Andrea Bellini

    (Space Telescope Science Institute)

  • Aaron Dotter

    (Research School of Astronomy and Astrophysics, Australian National University)

  • Thibaut Decressin

    (INAF-Osservatorio Astronomico di Roma)

  • Annibale D’Ercole

    (INAF-Osservatorio Astronomico di Bologna)

  • Vittoria Caloi

    (INAF, IAPS, Roma)

  • Roberto Capuzzo-Dolcetta

    (Universitá degli Studi di Roma ‘La Sapienza’)

Abstract

The observed range of luminosities of the extremely hot ‘blue hook’ stars of the globular cluster ω Centauri is successfully explained by a model in which the progenitors of these stars are second-generation helium-rich stars characterized by a range of rotation rates arising during the cluster’s very early evolution.

Suggested Citation

  • Marco Tailo & Francesca D’Antona & Enrico Vesperini & Marcella Di Criscienzo & Paolo Ventura & Antonino P. Milone & Andrea Bellini & Aaron Dotter & Thibaut Decressin & Annibale D’Ercole & Vittoria Cal, 2015. "Rapidly rotating second-generation progenitors for the ‘blue hook’ stars of ω Centauri," Nature, Nature, vol. 523(7560), pages 318-321, July.
    • Handle: RePEc:nat:nature:v:523:y:2015:i:7560:d:10.1038_nature14516
    DOI: 10.1038/nature14516
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