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H2D+ observations give an age of at least one million years for a cloud core forming Sun-like stars

Author

Listed:
  • Sandra Brünken

    (I. Physikalisches Institut, Universität zu Köln, Zülpicher Straße 77, 50937 Köln, Germany)

  • Olli Sipilä

    (PO Box 64, 00014 University of Helsinki
    Max-Planck Institut für Extraterrestrische Physik, Gießenbachstraße 1, 85741 Garching bei München, Germany)

  • Edward T. Chambers

    (I. Physikalisches Institut, Universität zu Köln, Zülpicher Straße 77, 50937 Köln, Germany)

  • Jorma Harju

    (PO Box 64, 00014 University of Helsinki)

  • Paola Caselli

    (Max-Planck Institut für Extraterrestrische Physik, Gießenbachstraße 1, 85741 Garching bei München, Germany
    School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, UK)

  • Oskar Asvany

    (I. Physikalisches Institut, Universität zu Köln, Zülpicher Straße 77, 50937 Köln, Germany)

  • Cornelia E. Honingh

    (I. Physikalisches Institut, Universität zu Köln, Zülpicher Straße 77, 50937 Köln, Germany)

  • Tomasz Kamiński

    (Max-Planck Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany)

  • Karl M. Menten

    (Max-Planck Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany)

  • Jürgen Stutzki

    (I. Physikalisches Institut, Universität zu Köln, Zülpicher Straße 77, 50937 Köln, Germany)

  • Stephan Schlemmer

    (I. Physikalisches Institut, Universität zu Köln, Zülpicher Straße 77, 50937 Köln, Germany)

Abstract

Observations of emission and absorption lines of the deuterated trihydrogen cation (H2D+) from a dense interstellar cloud core, combined with chemical modelling, reveal that the core needed at least one million years to form Sun-like stars.

Suggested Citation

  • Sandra Brünken & Olli Sipilä & Edward T. Chambers & Jorma Harju & Paola Caselli & Oskar Asvany & Cornelia E. Honingh & Tomasz Kamiński & Karl M. Menten & Jürgen Stutzki & Stephan Schlemmer, 2014. "H2D+ observations give an age of at least one million years for a cloud core forming Sun-like stars," Nature, Nature, vol. 516(7530), pages 219-221, December.
    • Handle: RePEc:nat:nature:v:516:y:2014:i:7530:d:10.1038_nature13924
    DOI: 10.1038/nature13924
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