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Multiwavelength Mapping of Galaxy Formation and Evolution pp 438–439Cite as

Extended HI Structures Around Early-Type Galaxies: Relics of Their Formation?

Part of the ESO Astrophysics Symposia book series (ESO)

Abstract

Our systematic HI survey of early-type galaxies has revealed several objects with large, regular disks of neutral hydrogen of up to 200 kpc in size. Given their size and regular kinematics these disks must be quite old, in many cases well over 5 × 109 yr. They may represent key structures that trace the origin and evolution of these galaxies.

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Authors and Affiliations

  1. Netherlands Foundation for Research in Astronomy, Dwingeloo, The Netherlands

    T.A. Oosterloo & R. Morganti

  2. School of Physics, University of Sydney, NSW 2006, Australia

    E.M. Sadler

  3. Kapteyn Astronomical Institute, RuG, Landleven 12, 9747 AD, Groningen, The Netherlands

    J.M. van der Hulst

Authors
  1. T.A. Oosterloo
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  2. E.M. Sadler
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  3. R. Morganti
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  4. J.M. van der Hulst
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Alvio Renzini Ralf Bender

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Oosterloo, T., Sadler, E., Morganti, R., van der Hulst, J. Extended HI Structures Around Early-Type Galaxies: Relics of Their Formation?. In: Renzini, A., Bender, R. (eds) Multiwavelength Mapping of Galaxy Formation and Evolution. ESO Astrophysics Symposia. Springer, Berlin, Heidelberg. https://doi.org/10.1007/10995020_98

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  • DOI: https://doi.org/10.1007/10995020_98

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-25665-6

  • Online ISBN: 978-3-540-31641-1

  • eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)

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