Circumstellar disks in the Trapezium Cluster

  • Mark McCaughrean
  • John Rayner
  • Hans Zinnecker
  • John Stauffer
Part I: Disks—Observation
Part of the Lecture Notes in Physics book series (LNP, volume 465)


We discuss the recent discovery and study of circumstellar disks in the Trapezium Cluster via two techniques. First we discuss the population of objects sometimes called ‘proplyds’, as revealed by ionizing radiation from the central massive OB stars of the Trapezium, and the fraction of these ionized objects that are associated with stars. Second, we look at the wider cluster population and the statistical occurrence of circumstellar disks detected through the more traditional signature of infrared excess. Both techniques reveal that a large fraction (≈50–80%) of the young stars in the Trapezium Cluster are likely surrounded by disks.


Radio Source Young Star Circumstellar Disk Compact Radio Source Orion Nebula 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag 1996

Authors and Affiliations

  • Mark McCaughrean
    • 1
  • John Rayner
    • 2
  • Hans Zinnecker
    • 3
  • John Stauffer
    • 4
  1. 1.Max-Planck-Institute für AstronomieHeidelbergGermany
  2. 2.Institute for AstronomyUniversity of HawaiiHonoluluUSA
  3. 3.Institut für Astronomie und AstrophysikUniversität WürzburgWürzburgGermany
  4. 4.Harvard-Smithsonian Center for AstrophysicsCambridgeUSA

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