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Investigating Protoplanetary Carbon Reservoirs and Molecular Inheritance along a Galactic Gradient

Smith, R. L. and Blake, G. A. and Boogert, A. C. A. and Pontoppidan, K. M. and Lockwood, A. C. (2015) Investigating Protoplanetary Carbon Reservoirs and Molecular Inheritance along a Galactic Gradient. Meteoritics and Planetary Science, 50 (S1). Art. No. 5385. ISSN 1086-9379. https://resolver.caltech.edu/CaltechAUTHORS:20150828-153924864

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Abstract

High-resolution observations of CO gas toward young stellar objcts (YSOs) enable valuable comparisons between forming protoplanetry systems and solar system material, as well as robust evaluation of early protoplanetry chemical reservoirs [1-7]. Precise isotopic observations of carbon and oxygen in the gas-phase have largely targeted low-mass YSOs in our local solar neighborhood [1,2]. Yet, precise investigations of YSOs ranging in size, luminosity, and Galactic location have mulitple advantages, including the parameterization of variations in distribution and evolution of molecules that are key in prebiotic chemical pathways, and the buidling of a more comprehensive understanding of evolving planetary reservoirs in the Galaxy. The present study uses high-resolution observations of CO gas toward a large suite of massive YSOs where ^(12)C/^(13)C has also been measured in CO_2 ice [8], thereby enabling a robust study of carbon inheritance between these key molecular reservoirs observed along a single line-of-sight.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/ 10.1111/maps.12501DOIAbstracts
http://onlinelibrary.wiley.com/doi/10.1111/maps.12501/abstractPublisherAbstracts
ORCID:
AuthorORCID
Blake, G. A.0000-0003-0787-1610
Pontoppidan, K. M.0000-0001-7552-1562
Additional Information:© 2015 Meteoritical Society.
Issue or Number:S1
Record Number:CaltechAUTHORS:20150828-153924864
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150828-153924864
Official Citation:(2015), 78th Annual Meeting of the Meteoritical Society July 27–31, 2015. Meteoritics & Planetary Science, 50: A29–A414. doi: 10.1111/maps.12501
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:59968
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:11 Sep 2015 19:12
Last Modified:03 Oct 2019 08:52

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