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  The oxygen isotopic composition (18O/16O) in the dust of comet 67P/Churyumov-Gerasimenko measured by COSIMA on-board Rosetta

Paquette, J., Engrand, C., Hilchenbach, M., Fray, N., Stenzel, O. J., Silen, J., et al. (2018). The oxygen isotopic composition (18O/16O) in the dust of comet 67P/Churyumov-Gerasimenko measured by COSIMA on-board Rosetta. Monthly Notices of the Royal Astronomical Society, 477(3), 3836-3844. doi:10.1093/mnras/sty560.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-05ED-D Version Permalink: http://hdl.handle.net/21.11116/0000-0003-C5AF-A
Genre: Journal Article
Other : The oxygen isotopic composition (18O/16O) in the dust of comet 67P/Churyumov-Gerasimenko measured by COSIMA on-board Rosetta

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 Creators:
Paquette, John1, Author              
Engrand, C, Author
Hilchenbach, Martin1, Author              
Fray, N, Author
Stenzel, Oliver Joachim1, Author              
Silen, J, Author
Rynö, J, Author
Kissel, Jochen1, Author              
the COSIMA Team, Author              
Affiliations:
1Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832288              

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Free keywords: comets: general, comets: individual: 67P/Churyumov-Gerasimenko, planetary systems
 MPIS_PROJECTS: ROSETTA: COSIMA
 Abstract: The oxygen isotopic ratio 18O/16O has been measured in cometary gas for a wide variety of comets, but the only measurements in cometary dust were performed by the Stardust cometary sample return mission. Most such measurements find a value of the ratio that is consistent with Vienna Standard Mean Ocean Water (VSMOW) within errors. In this work we present the result of a measurement, using the COSIMA (the COmetary Secondary Ion Mass Analyser) instrument on the Rosetta orbiter, of the oxygen isotopic ratio in dust from Comet 67P/Churyumov-Gerasimenko. Measuring the 18O/16O ratio with COSIMA is challenging for a number of reasons, but it is possible with a reasonable degree of precision. We find a result of 2.00 × 10−3 ± 1.2 × 10−4, which is consistent within errors with VSMOW.

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Language(s): eng - English
 Dates: 2018-12-282018
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1093/mnras/sty560
 Degree: -

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Title: Monthly Notices of the Royal Astronomical Society
  Other : Mon. Not. R. Astron. Soc.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: Oxford : Oxford University Press
Pages: - Volume / Issue: 477 (3) Sequence Number: - Start / End Page: 3836 - 3844 Identifier: ISSN: 1365-8711
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000024150