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The origin of the local 1/4-keV X-ray flux in both charge exchange and a hot bubble

Author

Listed:
  • M. Galeazzi

    (University of Miami, Coral Gables, Florida 33124, USA)

  • M. Chiao

    (NASA Goddard Space Flight Center)

  • M. R. Collier

    (NASA Goddard Space Flight Center)

  • T. Cravens

    (University of Kansas)

  • D. Koutroumpa

    (Université Versailles St Quentin; CNRS/INSU, LATMOS-IPSL, Guyancourt 78280, France
    Sorbonne Universités, UPMC Université Paris 06)

  • K. D. Kuntz

    (Johns Hopkins University)

  • R. Lallement

    (GEPI Observatoire de Paris, CNRS UMR 8111, Université Paris Diderot, 92190, Meudon, France)

  • S. T. Lepri

    (Oceanic and Space Sciences, University of Michigan)

  • D. McCammon

    (University of Wisconsin)

  • K. Morgan

    (University of Wisconsin)

  • F. S. Porter

    (NASA Goddard Space Flight Center)

  • I. P. Robertson

    (University of Kansas)

  • S. L. Snowden

    (NASA Goddard Space Flight Center)

  • N. E. Thomas

    (NASA Goddard Space Flight Center)

  • Y. Uprety

    (University of Miami, Coral Gables, Florida 33124, USA)

  • E. Ursino

    (University of Miami, Coral Gables, Florida 33124, USA)

  • B. M. Walsh

    (NASA Goddard Space Flight Center
    Present address: Space Sciences Laboratory, University of California, Berkeley, California 94720, USA.)

Abstract

The contribution of solar-wind ions exchanging electrons with helium and hydrogen near the Sun is shown to be only about 40 per cent of the 1/4-keV X-ray flux observed in the Galactic plane; this supports the existence of a local ‘hot bubble’ filled with X-ray-emitting gas, accounting for the rest of the flux.

Suggested Citation

  • M. Galeazzi & M. Chiao & M. R. Collier & T. Cravens & D. Koutroumpa & K. D. Kuntz & R. Lallement & S. T. Lepri & D. McCammon & K. Morgan & F. S. Porter & I. P. Robertson & S. L. Snowden & N. E. Thomas, 2014. "The origin of the local 1/4-keV X-ray flux in both charge exchange and a hot bubble," Nature, Nature, vol. 512(7513), pages 171-173, August.
    • Handle: RePEc:nat:nature:v:512:y:2014:i:7513:d:10.1038_nature13525
    DOI: 10.1038/nature13525
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