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Paper published in a journal (Scientific congresses and symposiums)
High resolution spectroscopy of the unusual comet C/2016 R2 (PanSTARRS)
Opitom, Cyrielle; Hutsemekers, Damien; Rousselot, Philippe et al.
2018 • In EPSC Abstracts, 12, p. 220, pp. 1-2
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Keywords :
comets; solar system
Abstract :
[en] We report on high spectral resolution observations of the peculiar comet C/2016 R2 (Pan-STARRS). This comet was found to have a highly unusual composition, with a very high abundance of CO, and is only the third comet in which the N2+ ion is clearly detected. Our observations allowed us to measure the N2+/CO+/CO2+ ratios. Among other things, we also put an upper limit to the 14N/15N isotopic ratio, measured for the first time directly from N2+, and detected the [NI] lines for the first time in a comet.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Opitom, Cyrielle;  ESO (European Southern Observatory) - Alonso de Cordova 3107, Vitacura, Santiago Chile
Hutsemekers, Damien ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Rousselot, Philippe;  Institut UTINAM UMR 6213, CNRS, Univ. Bourgogne Franche-Comté, OSU THETA, BP 1615, F-25010 Besançon Cedex, France
Manfroid, Jean  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Jehin, Emmanuel  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Origines Cosmologiques et Astrophysiques (OrCa)
Language :
English
Title :
High resolution spectroscopy of the unusual comet C/2016 R2 (PanSTARRS)
Publication date :
01 September 2018
Event name :
European Planetary Science Congress 2018 (EPSC 2018)
Event place :
Berlin, Germany
Event date :
16–21 September 2018
Audience :
International
Journal title :
EPSC Abstracts
Volume :
12
Pages :
220, pp. 1-2
Additional URL :
http://adsabs.harvard.edu/abs/2018EPSC...12..220O
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since 02 January 2019

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