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Complex organic molecules in comets C/2012 F6 (Lemmon) and C/2013 R1 (Lovejoy): detection of ethylene glycol and formamide

Biver, N. and Bockelée-Morvan, D. and Debout, V. and Crovisier, J. and Lis, D. C. and Dello Russo, N. and Moreno, R. and Colom, P. and Paubert, G. and Vervack, R. and Weaver, H. A. (2014) Complex organic molecules in comets C/2012 F6 (Lemmon) and C/2013 R1 (Lovejoy): detection of ethylene glycol and formamide. Astronomy and Astrophysics, 566 . Art. No. L5. ISSN 0004-6361. https://resolver.caltech.edu/CaltechAUTHORS:20140808-100613611

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Abstract

A spectral survey in the 1 mm wavelength range was undertaken in the long-period comets C/2012 F6 (Lemmon) and C/2013 R1 (Lovejoy) using the 30 m telescope of the Institut de radioastronomie millimétrique (IRAM) in April and November−December 2013. We report the detection of ethylene glycol (CH_2OH)_2 (aGg’ conformer) and formamide (NH_2CHO) in the two comets. The abundances relative to water of ethylene glycol and formamide are 0.2–0.3% and 0.02% in the two comets, similar to the values measured in comet C/1995 O1 (Hale-Bopp). We also report the detection of HCOOH and CH_3CHO in comet C/2013 R1 (Lovejoy), and a search for other complex species (methyl formate, glycolaldehyde).


Item Type:Article
Related URLs:
URLURL TypeDescription
http://www.aanda.org/articles/aa/abs/2014/06/aa23890-14/aa23890-14.htmlPublisherArticle
http://dx.doi.org/10.1051/0004-6361/201423890DOIArticle
http://arxiv.org/abs/1405.6605arXivDiscussion Paper
ORCID:
AuthorORCID
Lis, D. C.0000-0002-0500-4700
Additional Information:© 2014 ESO. Received: 27 March 2014. Accepted: 23 May 2014. Published online 19 June 2014. This research has been supported by the Programme national de planétologie de l’Institut des sciences de l’univers (INSU).
Funders:
Funding AgencyGrant Number
Programme national de planétologie de l’Institut des sciences de l’univers (INSU)UNSPECIFIED
Subject Keywords:astrobiology, astrochemistry, comets: individual: C/2012 F6 (Lemmon), comets: individual: C/2013 R1 (Lovejoy), radio lines: planetary systems, submillimeter: planetary systems
Record Number:CaltechAUTHORS:20140808-100613611
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140808-100613611
Official Citation:Complex organic molecules in comets C/2012 F6 (Lemmon) and C/2013 R1 (Lovejoy): detection of ethylene glycol and formamide N. Biver, D. Bockelée-Morvan, V. Debout, J. Crovisier, J. Boissier, D. C. Lis, N. Dello Russo, R. Moreno, P. Colom, G. Paubert, R. Vervack and H. A. Weaver A&A 566 L5 (2014) DOI: http://dx.doi.org/10.1051/0004-6361/201423890
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:48238
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:08 Aug 2014 20:24
Last Modified:03 Oct 2019 07:01

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