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Ultraluminous X-ray bursts in two ultracompact companions to nearby elliptical galaxies

Author

Listed:
  • Jimmy A. Irwin

    (University of Alabama)

  • W. Peter Maksym

    (Harvard–Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge)

  • Gregory R. Sivakoff

    (University of Alberta)

  • Aaron J. Romanowsky

    (San José State University
    University of California Observatories)

  • Dacheng Lin

    (Space Science Center, University of New Hampshire)

  • Tyler Speegle

    (University of Alabama)

  • Ian Prado

    (University of Alabama)

  • David Mildebrath

    (University of Alabama)

  • Jay Strader

    (Michigan State University)

  • Jifeng Liu

    (Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences
    College of Astronomy and Space Sciences, University of Chinese Academy of Sciences)

  • Jon M. Miller

    (The University of Michigan, 1085 South University Avenue)

Abstract

A search of archival X-ray data for 70 nearby galaxies yielded two flaring sources in globular clusters or ultracompact dwarf companions of parent elliptical galaxies.

Suggested Citation

  • Jimmy A. Irwin & W. Peter Maksym & Gregory R. Sivakoff & Aaron J. Romanowsky & Dacheng Lin & Tyler Speegle & Ian Prado & David Mildebrath & Jay Strader & Jifeng Liu & Jon M. Miller, 2016. "Ultraluminous X-ray bursts in two ultracompact companions to nearby elliptical galaxies," Nature, Nature, vol. 538(7625), pages 356-358, October.
    • Handle: RePEc:nat:nature:v:538:y:2016:i:7625:d:10.1038_nature19822
    DOI: 10.1038/nature19822
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