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http://hdl.handle.net/10261/167446
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dc.contributor.author | Güttler, C. | - |
dc.contributor.author | Hasselmann, P.H. | - |
dc.contributor.author | Li, Y. | - |
dc.contributor.author | Fulle, M. | - |
dc.contributor.author | Tubiana, C. | - |
dc.contributor.author | Kovacs, G. | - |
dc.contributor.author | Agarwal, J. | - |
dc.contributor.author | Sierks, H. | - |
dc.contributor.author | Fornasier, S. | - |
dc.contributor.author | Hofmann, M. | - |
dc.contributor.author | Gutiérrez Marqués, P. | - |
dc.contributor.author | Ott, T. | - |
dc.contributor.author | Drolshagen, E. | - |
dc.contributor.author | Bertini, I. | - |
dc.contributor.author | Barbieri, C. | - |
dc.contributor.author | Lamy, P.L. | - |
dc.contributor.author | Rodrigo Montero, Rafael | - |
dc.contributor.author | Koschny, D. | - |
dc.contributor.author | Rickman, H. | - |
dc.contributor.author | A'Hearn, M. F. | - |
dc.contributor.author | Barucci, M.A. | - |
dc.contributor.author | Bodewits, D. | - |
dc.contributor.author | Bertaux, J.L. | - |
dc.contributor.author | Boudreault, S. | - |
dc.contributor.author | Cremonese, G. | - |
dc.contributor.author | Da Deppo, Vania | - |
dc.contributor.author | Davidsson, B. | - |
dc.contributor.author | Debei, S. | - |
dc.contributor.author | De Cecco, M. | - |
dc.contributor.author | Deller, J. | - |
dc.contributor.author | Geiger, B. | - |
dc.contributor.author | Groussin, O. | - |
dc.contributor.author | Gutiérrez, Pedro J. | - |
dc.contributor.author | Hviid, S.F. | - |
dc.contributor.author | Ip, W. H. | - |
dc.contributor.author | Jorda, L. | - |
dc.contributor.author | Keller, H.U. | - |
dc.contributor.author | Knollenberg, J. | - |
dc.contributor.author | Kramm, J.R. | - |
dc.contributor.author | Kührt, E. | - |
dc.contributor.author | Küppers, M. | - |
dc.contributor.author | Lara, Luisa María | - |
dc.contributor.author | Lazzarin, M. | - |
dc.contributor.author | López-Moreno, José Juan | - |
dc.contributor.author | Marzari, F. | - |
dc.contributor.author | Mottola, S. | - |
dc.contributor.author | Naletto, G. | - |
dc.contributor.author | Oklay, N. | - |
dc.contributor.author | Pajola, M. | - |
dc.date.accessioned | 2018-07-09T08:35:15Z | - |
dc.date.available | 2018-07-09T08:35:15Z | - |
dc.date.issued | 2017 | - |
dc.identifier | doi: 10.1093/mnras/stx1692 | - |
dc.identifier | issn: 1365-2966 | - |
dc.identifier.citation | Monthly Notices of the Royal Astronomical Society 469: S312- S320 (2017) | - |
dc.identifier.uri | http://hdl.handle.net/10261/167446 | - |
dc.description.abstract | In a Rosetta/OSIRIS imaging activity in 2015 June, we have observed the dynamic motion of particles close to the spacecraft. Due to the focal setting of the OSIRIS wide angle camera, these particles were blurred, which can be used to measure their distances to the spacecraft. We detected 109 dust aggregates over a 130 min long sequence, and find that their sizes are around a millimetre and their distances cluster between 2 and 40 m from the spacecraft. Their number densities are about a factor 10 higher than expected for the overall coma and highly fluctuating. Their velocities are small compared to the spacecraft orbital motion and directed away from the spacecraft, towards the comet. From this we conclude that they have interacted with the spacecraft and assess three possible scenarios. In the likeliest of the three scenarios, centimetre-sized aggregates collide with the spacecraft and we would observe the fragments. Ablation of a dust layer on the spacecraft's z panel (remote instrument viewing direction) when rotated towards the Sun is a reasonable alternative. We could also measure an acceleration for a subset of 18 aggregates, which is directed away from the Sun and can be explain by a rocket effect, which requires a minimum ice fraction of the order of 0.1 per cent.© 2017 The Authors. | - |
dc.description.sponsorship | The support of the national funding agencies of Germany (DLR), France (CNES), Italy (ASI), Spain (MEC), Sweden (SNSB) and the ESA Technical Directorate is gratefully acknowledged. | - |
dc.publisher | Oxford University Press | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.subject | Comets: individual: 67P/Churyumov-Gerasimenko | - |
dc.subject | Techniques: image processing | - |
dc.subject | Comets: general | - |
dc.title | Characterization of dust aggregates in the vicinity of the Rosetta spacecraft | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1093/mnras/stx1692 | - |
dc.date.updated | 2018-07-09T08:35:15Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | Swedish National Space Board | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | German Centre for Air and Space Travel | - |
dc.contributor.funder | Agenzia Spaziale Italiana | - |
dc.contributor.funder | Centre National de la Recherche Scientifique (France) | - |
dc.contributor.funder | European Space Agency | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100001859 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100002946 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100004794 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003981 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000844 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.fulltext | With Fulltext | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
Aparece en las colecciones: | (CAB) Artículos (IAA) Artículos |
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IAA_2017_stx1692.pdf | 1,04 MB | Adobe PDF | Visualizar/Abrir |
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