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Observations of dust and molecules in the disks and envelopes of young stellar objects

Hogerheijde, Michiel R. and van Dishoeck, Ewine F. and Blake, Geoffrey A. (1999) Observations of dust and molecules in the disks and envelopes of young stellar objects. In: Formation and evolution of solids in space. NATO Advanced Science Institutes Series, Series C, Mathematical and Physical Sciences. No.523. Kluwer Academic , Boston, MA, pp. 521-526. ISBN 0-7923-5474-5 http://resolver.caltech.edu/CaltechAUTHORS:20121002-101130930

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Abstract

Observations of dust and gas-phase molecules are compared as probes of the embedded phase of low-mass star formation. Results are presented of a detailed study of a sample of low-mass young stellar objects in Taurus with single-dish and interferometer millimeter observations. At least 67% of the objects have compact circumstellar disks, in addition to extended envelopes. HCO^+ is found to be an excellent tracer of envelope structure. Interferometer observations of its 1-0 line, and of ^(13)CO and C^(18)O, reveal the kinematics of the equatorial regions of the envelopes, and the interaction with the bipolar outflows.


Item Type:Book Section
Additional Information:© 1999 Kluwer Academic Publishers. MRH gratefully acknowledges financial support from the Stimuleringsfonds Internationalisering of the Netherlands Organization for Scientific Research (NWO) and from the organizers of this School
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Netherlands Organization for Scientific Research (NWO)UNSPECIFIED
Record Number:CaltechAUTHORS:20121002-101130930
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20121002-101130930
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:34617
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:02 Oct 2012 17:54
Last Modified:02 Oct 2012 17:54

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