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    Long-term monitoring of comet 67P/Churyumov–Gerasimenko’s jets with OSIRIS onboard Rosetta

    Schmitt, M.I. and Tubiana, C. and Güttler, C. and Sierks, H. and Vincent, J.-B. and El-Maarry, Mohamed Ramy and Bodewits, D. and Mottola, S. and Fornasier, S. and Hofmann, M. and Barbieri, C. and Lamy, P.L. and Rodrigo, R. and Koschny, D. and Rickman, H. and A’Hearn, M.F. and Agarwal, J. and Barucci, M.A. and Bertaux, J.-L. and Bertini, I. and Cremonese, G. and Da Deppo, V. and Davidsson, B. and Debei, S. and De Cecco, M. and Deller, J. and Fulle, M. and Gicquel, A. and Groussin, O. and Gutiérrez, P.J. and Hviid, S.F. and Ip, W.-H. and Jorda, L. and Keller, H.U. and Knollenberg, J. and Kramm, J.R. and Kührt, E. and Küppers, M. and Lara, L.M. and Lazzarin, M. and López-Moreno, J.J. and Marzari, F. and Naletto, G. and Oklay, N. and Pajola, M. and Prasanna, D. and Shi, X. and Scholten, F. and Toth, I. and Thomas, N. (2017) Long-term monitoring of comet 67P/Churyumov–Gerasimenko’s jets with OSIRIS onboard Rosetta. Monthly Notices of the Royal Astronomical Society 469 (Suppl_), S380-S385. ISSN 0035-8711.

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    Abstract

    We used the OSIRIS camera system onboard the Rosetta spacecraft to monitor jet activity of comet 67P/Churyumov–Gerasimenko. With a monthly cadence, we covered an epoch from 2014 December to 2015 October, thereby including the first equinox and the perihelion passage. Jet features were measured in individual images, which were used to perform a statistical inversion. The study provides maps for the locations of likeliest sources of jet activity on the comet’s surface as a function of time. The sources follow the subsolar latitude, show clustering and a broadening of the activity band with time in the Northern hemisphere. In the Southern hemisphere, they are not clustered but show a broader spread over all longitudes which is either related to the north–south dichotomy of the comet’s topography or due to a higher insolation during southern summer.

    Metadata

    Item Type: Article
    Keyword(s) / Subject(s): comets: individual, 67P/Churyumov, Gerasimenko
    School: Birkbeck Schools and Departments > School of Science > Earth and Planetary Sciences
    Depositing User: Administrator
    Date Deposited: 17 Oct 2018 16:11
    Last Modified: 12 Aug 2019 09:33
    URI: http://eprints.bbk.ac.uk/id/eprint/24735

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