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Probing CO freeze-out and desorption in protoplanetary disks
Qi, Chunhua
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https://hdl.handle.net/2142/96984
Description
- Title
- Probing CO freeze-out and desorption in protoplanetary disks
- Author(s)
- Qi, Chunhua
- Issue Date
- 2017-06-21
- Keyword(s)
- Atacama Large Millimeter/submillimeter Array (ALMA)'s molecular view
- Date of Ingest
- 2017-07-27T20:15:26Z
- 2018-01-29T23:03:49Z
- Abstract
- Snow lines, the boundaries where the most abundant volatiles such as_x000d_ H$_2$O, CO$_2$ and CO freeze out from the gas phase onto dust grains _x000d_ in the midplane of protoplanetary disks, are believed to play an_x000d_ important role in planet formation and composition. Locating the CO_x000d_ snow line is challenging in disks. This has prompted an exploration of chemical signatures of CO freeze-out and desorption. We present ALMA_x000d_ observations of the CO, N$_2$H$^+$ and DCO$^+$ emission to _x000d_ probe the CO freeze-out and desorption in protoplanetary disks, and_x000d_ evaluate their utility as tracers of the CO snow line location._x000d_
- Publisher
- International Symposium on Molecular Spectroscopy
- Type of Resource
- text
- Genre of Resource
- Conference Paper / Presentation
- Language
- eng
- Permalink
- http://hdl.handle.net/2142/96984
- DOI
- https://doi.org/10.15278/isms.2017.WF01
- Copyright and License Information
- Copyright 2017 Chunhua Qi
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