Transport and distribution of hydroxyl radicals and oxygen atoms from H2O photodissociation in the inner coma of comet 67P/Churyumov–G erasimenko

Ian Lin Lai*, Cheng Chin Su, Wing Huen Ip, Chen En Wei, Jong-Shinn Wu, Ming Chung Lo, Ying Liao, Nicolas Thomas

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

With a combination of the Direct Simulation Monte Carlo (DSMC) calculation and test particle computation, the ballistic transport process of the hydroxyl radicals and oxygen atoms produced by photodissociation of water molecules in the coma of comet 67P/Churyumov–Gerasimenko is modelled. We discuss the key elements and essential features of such simulations which results can be compared with the remote-sensing and in situ measurements of cometary gas coma from the Rosetta mission at different orbital phases of this comet.

Original languageEnglish
Pages (from-to)23-39
Number of pages17
JournalEarth, Moon and Planets
Volume117
Issue number1
DOIs
StatePublished - 1 Jan 2016

Keywords

  • Atmosphere
  • Comet 67P
  • Comets
  • Photodissociation

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