Dust measurements in the coma of comet 67P/Churyumov-Gerasimenko inbound to the sun

Rotundi, A. and Sierks, H. and Della Corte, V. and Fulle, M. and Gutierrez, P.J. and Lara, L. and Barbieri, C. and Lamy, P.L. and Rodrigo, R. and Koschny, D. and Rickman, H. and Keller, H.U. and López-Moreno, J.J. and Accolla, M. and Agarwal, J. and A'Hearn, M.F. and Altobelli, N. and Angrilli, F. and Barucci, M.A. and Bertaux, J.-L. and Bertini, I. and Bodewits, D. and Bussoletti, E. and Colangeli, L. and Cosi, M. and Cremonese, G. and Crifo, J.-F. and Da Deppo, V. and Davidsson, B. and Debei, S. and De Cecco, M. and Esposito, F. and Ferrari, M. and Fornasier, S. and Giovane, F. and Gustafson, B. and Green, S.F. and Groussin, O. and Grün, E. and Güttler, C. and Herranz, M.L. and Hviid, S.F. and Ip, W. and Ivanovski, S. and Jerónimo, J.M. and Jorda, L. and Knollenberg, J. and Kramm, R. and Kührt, E. and Küppers, M. and Lazzarin, M. and Leese, M.R. and López-Jiménez, A.C. and Lucarelli, F. and Lowry, S.C. and Marzari, F. and Epifani, E.M. and McDonnell, J.A.M. and Mennella, V. and Michalik, H. and Molina, A. and Morales, R. and Moreno, F. and Mottola, S. and Naletto, G. and Oklay, N. and Ortiz, J.L. and Palomba, E. and Palumbo, P. and Perrin, J.-M. and Rodríguez, J. and Sabau, L. and Snodgrass, C. and Sordini, R. and Thomas, N. and Tubiana, C. and Vincent, J.-B. and Weissman, P. and Wenzel, K.-P. and Zakharov, V. and Zarnecki, J.C. (2015) Dust measurements in the coma of comet 67P/Churyumov-Gerasimenko inbound to the sun. Science, 347 (6220). pp. 3905-4000. ISSN 0036-8075. E-ISSN 1095-9203. (doi:https://doi.org/10.1126/science.aaa3905) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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Official URL
https://doi.org/10.1126/science.aaa3905

Abstract

Critical measurements for understanding accretion and the dust/gas ratio in the solar nebula, where planets were forming 4.5 billion years ago, are being obtained by the GIADA (Grain Impact Analyser and Dust Accumulator) experiment on the European Space Agency's Rosetta spacecraft orbiting comet 67P/Churyumov-Gerasimenko. Between 3.6 and 3.4 astronomical units inbound, GIADA and OSIRIS (Optical, Spectroscopic, and Infrared Remote Imaging System) detected 35 outflowing grains of mass 10-10 to 10-7 kilograms, and 48 grains of mass 10-5 to 10-2 kilograms, respectively. Combined with gas data from the MIRO (Microwave Instrument for the Rosetta Orbiter) and ROSINA (Rosetta Orbiter Spectrometer for Ion and Neutral Analysis) instruments, we find a dust/gas mass ratio of 4 ± 2 averaged over the sunlit nucleus surface. A cloud of larger grains also encircles the nucleus in bound orbits from the previous perihelion. The largest orbiting clumps are meter-sized, confirming the dust/gas ratio of 3 inferred at perihelion from models of dust comae and trails. © 2015, American Association for the Advancement of Science. All rights reserved.

Item Type: Article
Additional information: Unmapped bibliographic data: C7 - aaa3905 [EPrints field already has value set] LA - English [Field not mapped to EPrints] J2 - Science [Field not mapped to EPrints] AD - Istituto di Astrofisica e Planetologia Spaziali, Istituto Nazionale di Astrofisica (INAF), Via Fosso del Cavaliere, 100, Rome, Italy [Field not mapped to EPrints] AD - Università degli Studi di Napoli Parthenope, Dipartimento di Scienze e Tecnologie, CDN IC4, Naples, Italy [Field not mapped to EPrints] AD - Max-Planck-Institut für Sonnensystemforschung, Justus-von-Liebig-Weg, 3, Göttingen, Germany [Field not mapped to EPrints] AD - Osservatorio Astronomico, INAF, Via Tiepolo 11, Trieste, Italy [Field not mapped to EPrints] AD - Instituto de Astrofísica de Andalucía, Consejo Superior de Investigaciones Científicas (CSIC), P.O. Box 3008, Granada, Spain [Field not mapped to EPrints] AD - Department of Physics and Astronomy, Padova University, Vicolo dell'Osservatorio 3, Padova, Italy [Field not mapped to EPrints] AD - Laboratoire d'Astrophysique de Marseille, CNRS, Aix-Marseille Université, Marseille, France [Field not mapped to EPrints] AD - Centro de Astrobiologia (Instituto Nacional de Tecnica Aerospacial-CSIC), Villanueva de la Canada, Madrid, Spain [Field not mapped to EPrints] AD - International Space Science Institute, Hallerstrasse 6, Bern, Switzerland [Field not mapped to EPrints] AD - Scientific Support Office, European Space Agency, Noordwijk, Netherlands [Field not mapped to EPrints] AD - Department of Physics and Astronomy, Uppsala University, Box 516, Uppsala, Sweden [Field not mapped to EPrints] AD - Polish Academy of Sciences Space Research Center, Bartycka 18A, Warszawa, Poland [Field not mapped to EPrints] AD - Institute for Geophysics and Extraterrestrial Physics, Technische Universität Braunschweig, Braunschweig, Germany [Field not mapped to EPrints] AD - Department of Astronomy, University of Maryland, College Park, MD, United States [Field not mapped to EPrints] AD - European Space Agency (ESA)-European Space Astronomy Center (ESAC), Camino 28692 Bajo del Castillo, s/n, Villanueva de la Cãada, Madrid, Spain [Field not mapped to EPrints] AD - Department of Mechanical Engineering, University of Padova, via Venezia 1, Padova, Italy [Field not mapped to EPrints] AD - Laboratoire d'Etudes Spatiales et d'Instrumentation en Astrophysique, CNRS, Université Paris-Diderot, 5 place Johannes Janssen, Meudon, France [Field not mapped to EPrints] AD - Laboratoire Atmosphères, Milieux, Observations Spatiales, CNRS/Université de Versailles Saint-Quentin-en-Yvelines/Institut Pierre-Simon Laplace, 11 boulevard d'Alembert, Guyancourt, France [Field not mapped to EPrints] AD - University of Padova, Centro Interdipartimentale di Studi e Attività Spaziali (CISAS), via Venezia 15, Padova, Italy [Field not mapped to EPrints] AD - ESA, European Space Research and Technology Centre (ESTEC), Keplerlaan 1, Noordwijk, Netherlands [Field not mapped to EPrints] AD - Selex-ES, Via Albert Einstein, 35, Campi Bisenzio, Firenze, Italy [Field not mapped to EPrints] AD - Osservatorio Astronomico di Padova, INAF, Vicolo dell'Osservatorio 5, Padova, Italy [Field not mapped to EPrints] AD - Cons. Naz. Delle Ric.-Istituto di Fotonica e Nanotecnologie-Unita Operativa di Supporto Padova LUXOR, via Trasea 7, Padova, Italy [Field not mapped to EPrints] AD - Università di Trento, via Mesiano, 77, Trento, Italy [Field not mapped to EPrints] AD - Osservatorio Astronomico di Capodimonte, INAF, Salita Moiariello, 16, Naples, Italy [Field not mapped to EPrints] AD - Virginia Polytechnic Institute and State University, Blacksburg, VA, United States [Field not mapped to EPrints] AD - University of Florida, Gainesville, FL, United States [Field not mapped to EPrints] AD - Planetary and Space Sciences, Department of Physical Sciences, Open University, Milton Keynes, United Kingdom [Field not mapped to EPrints] AD - Max-Planck-Institut fuer Kernphysik, Saupfercheckweg 1, Heidelberg, Germany [Field not mapped to EPrints] AD - Institute of Planetary Research, Deutsches Zentrum für Luft- und Raumfahrt (DLR), Rutherfordstrasse 2, Berlin, Germany [Field not mapped to EPrints] AD - Institute for Space Science, National Central University, 300 Chung Da Road, Chung-Li, Taiwan [Field not mapped to EPrints] AD - University of Kent, School of Physical Sciences, Canterbury, Kent, United Kingdom [Field not mapped to EPrints] AD - Department of Physics, University of Padova, Padova, Italy [Field not mapped to EPrints] AD - Unispacekent, Canterbury, United Kingdom [Field not mapped to EPrints] AD - Institut für Datentechnik und Kommunikationsnetze, Braunschweig, Germany [Field not mapped to EPrints] AD - Departamento de Física Aplicada, Universidad de Granada, Facultad de Ciencias, Avenida Severo Ochoa, s/n, Granada, Spain [Field not mapped to EPrints] AD - Department of Information Engineering, Padova University, via Gradenigo 6, Padova, Italy [Field not mapped to EPrints] AD - Observatoire de Haute Provence OSU Pythéas UMS 2244 CNRS-AMU, Saint Michel l'Observatoire, France [Field not mapped to EPrints] AD - Instituto Nacional de Tecnica Aeroespacial, Carretera de Ajalvir, p.k. 4, Torrejon de Ardoz, Madrid, Spain [Field not mapped to EPrints] AD - Physikalisches Institut, University of Bern, Sidlerstrasse 5, Bern, Switzerland [Field not mapped to EPrints] AD - Planetary Science Section, Jet Propulsion Laboratory, 4800 Oak Grove Drive, Pasadena, CA, United States [Field not mapped to EPrints] DB - Scopus [Field not mapped to EPrints]
Uncontrolled keywords: atmospheric dynamics, comet, dust, measurement method, Article, astronomy, brightness, bulk density, circadian rhythm, dust, grain, limit of detection, measurement, prediction, priority journal, quartz crystal microbalance, sun, surface property, velocity, water loss
Subjects: Q Science > QB Astronomy
Divisions: Faculties > Sciences > School of Physical Sciences > Centre for Astrophysics and Planetary Sciences
Depositing User: Stephen Lowry
Date Deposited: 08 Dec 2015 22:21 UTC
Last Modified: 21 Dec 2015 15:11 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/52267 (The current URI for this page, for reference purposes)
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