Similarities in element content between comet 67P/Churyumov–Gerasimenko coma dust and selected meteorite samples | Zendy

O. Stenzel | Zendy; M. Hilchenbach | Zendy; S. Merouane | Zendy; John Paquette | Zendy; Курт Вармуза | Zendy; C. Engrand | Zendy; F. Brandstätter | Zendy; Christian Koeberl | Zendy; L. Ferrière | Zendy; Peter Filzmoser | Zendy; Sandra Siljeström | Zendy

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Similarities in element content between comet 67P/Churyumov–Gerasimenko coma dust and selected meteorite samples

Author(s) -

O. Stenzel,

M. Hilchenbach,

S. Merouane,

John Paquette,

Курт Вармуза,

C. Engrand,

F. Brandstätter,

Christian Koeberl,

L. Ferrière,

Peter Filzmoser,

Sandra Siljeström

Publication year - 2017

Publication title -

monthly notices of the royal astronomical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.058

H-Index - 383

eISSN - 1365-8711

pISSN - 0035-8711

DOI - 10.1093/mnras/stx1908

Subject(s) - meteorite , comet , physics , context (archaeology) , chondrite , astrobiology , coma (optics) , astrophysics , carbonaceous chondrite , geology , paleontology

We have analysed the element composition and the context of particles collected within the coma of 67P/Churyumov–Gerasimenko with Rosetta’s COmetary Secondary Ion Mass Analyzer (COSIMA). A comparison has been made between on board cometary samples and four meteorite samples measured in the laboratory with the COSIMA reference model. Focusing on the rock-forming elements, we have found similarities with chondrite meteorites for some ion count ratios. The composition of 67P/Churyumov–Gerasimenko particles measured by COSIMA shows an enrichment in volatile elements compared to that of the investigated Renazzo (CR2) carbonaceous meteorite sample.

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