ITEM METADATA RECORD
Title: Comet Hale-Bopp, circumstellar dust, and the interstellar medium
Authors: Waelkens, Christoffel
Malfait, Koen
Waters, Laurentius
Issue Date: 1997
Publisher: Kluwer academic publ
Series Title: Earth moon and planets vol:79 issue:1-3 pages:265-274
Abstract: The infrared spectrum of comet Hale-Bopp, as observed with the Infrared Space Observatory (ISO), presents astonishing similarities with those of the dusty disks surrounding young stars. The prominent spectral features of crystalline silicates that occur in comets, have been observed in the circumstellar media of young and old stars, yet not in the interstellar medium. We suggest from the analogy with the young-star spectra that the crystalline nature of the silicates in comet Hale-Bopp dates from the early evolution of the solar system, and also that an Oort Cloud or Kuiper Belt is presently forming around young stars observed by ISO.
URI: 
ISSN: 0167-9295
Publication status: published
KU Leuven publication type: DI
Appears in Collections:Institute of Astronomy

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