Disks around Very Young Massive Stellar Objects
First Author:
Thomas Henning
Email: henning AT mpia.de
Max-Planck-Institut fuer Astronomie
Koenigstuhl 17
Heidelberg D69117 Germany
Abstract
Circumstellar disks have been found to be associated with a wide range of young (sub)stellar objects, ranging in mass from brown dwarfs to Herbig Ae/Be stars. They are a natural by-product of the star formation process and important structures for mass and angular momentum transport. Disks in early phases of the build-up of massive stars play a key role in channelling radiation and infalling matter. The search for disks around massive protostellar and young stellar objects remains a challenge because of their distances, locations in complex environments, and the necessity to find the right tracers for their presence. The talk will discuss the different strategies to search for such disks. I will review the observational evidence for disks around massive young stellar objects and discuss their structure and physical properties.
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