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15N fractionation in star-forming regions and Solar System objects

Published online by Cambridge University Press:  27 October 2016

E. S. Wirström ,
G. Adande ,
S. N. Milam ,
S. B. Charnley  and
M. A. Cordiner
E. S. Wirström
Affiliation:
Department of Earth and Space Sciences, Chalmers University of Technology, Onsala Space Observatory, SE-439 92 Onsala, Sweden. email: eva.wirstrom@chalmers.se
G. Adande
Affiliation:
Astrochemistry Laboratory, Mailstop 691, NASA Goddard Space Flight Center, 8800 Greenbelt Road, Greenbelt, MD 20770, USA
S. N. Milam
Affiliation:
Astrochemistry Laboratory, Mailstop 691, NASA Goddard Space Flight Center, 8800 Greenbelt Road, Greenbelt, MD 20770, USA
S. B. Charnley
Affiliation:
Astrochemistry Laboratory, Mailstop 691, NASA Goddard Space Flight Center, 8800 Greenbelt Road, Greenbelt, MD 20770, USA
M. A. Cordiner
Affiliation:
Astrochemistry Laboratory, Mailstop 691, NASA Goddard Space Flight Center, 8800 Greenbelt Road, Greenbelt, MD 20770, USA Department of Physics, Catholic University of America, 620 Michigan Avenue NE, Washington, DC 20064, USA
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Abstract

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We briefly review what is currently known of 14N/15N ratios in interstellar molecules. We summarize the fractionation ratios measured in HCN, HNC, CN, N2 and NH3, and compare these to theoretical predictions and to the isotopic inventory of cometary volatiles.

Keywords

astrochemistrymolecular datasolar system: formationISM: abundancesISM: moleculesradio lines: ISMastrobiology
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , General Assembly A29A: Astronomy in Focus , August 2015 , pp. 271 - 274
Copyright
Copyright © International Astronomical Union 2016 

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