Journal articles
Characterization of dust aggregates in the vicinity of the Rosetta spacecraft
Carsten Güttler
1
Pedro H. Hasselmann
2
Y. Li
3
Marco Fulle
4
Cécilia Tubiana
1
Gabor Kovacs
1
Jessica Agarwal
1
Holger Sierks
1
Sonia Fornasier
2
Marc Hofmann
1
Pedro J. Gutiérrez
5
Theresa Ott
6
Esther Drolshagen
7
Ivano Bertini
8
Cesare Barbieri
9
Philippe L. Lamy
10
Rafael Rodrigo
11, 12
Detlef Koschny
13
Hans Rickman
14, 15
Michael F. A'Hearn
16
Maria Antonella Barucci
2
Dennis Bodewits
16
Jean-Loup Bertaux
17
Steve Boudreault
1
Gabriele Cremonese
18
Vania da Deppo
19
B. Davidsson
20
S. Debei
21
M. de Cecco
22
J. Deller
1
B. Geiger
23
O. Groussin
10
J. Gutiérrez
5
S. Hviid
24
W.-H. Ip
25
L. Jorda
10
H. U. Keller
24, 26
J. Knollenberg
24
J. R. Kramm
1
Ekkehard Kührt
24
M. Küppers
23
Luisa M. Lara
5
M. Lazzarin
9
J. J. López-Moreno
5
F. Marzari
9
S. Mottola
24
G. Naletto
19, 8
N. Oklay
24
M. Pajola
27
X. Shi
1
N. Thomas
28, 29
J.-B. Vincent
24
Esther Drolshagen 7
Author
Ivano Bertini 8
Author
Cesare Barbieri 9
Author
Philippe L. Lamy 10
Author
Rafael Rodrigo 11, 12
Author
Detlef Koschny 13
Author
Hans Rickman 14, 15
Author
Michael F. A'Hearn 16
Author
Maria Antonella Barucci 2
Author
Dennis Bodewits 16
Author
Jean-Loup Bertaux 17
Author
Steve Boudreault 1
Author
1
MPS - Max-Planck-Institut für Sonnensystemforschung (Göttingen, Allemagne - Germany)
- Max-Planck-Gesellschaft (Jägerstrasse, 10-11, D-10117 Berlin - Germany)
2
LESIA - Laboratoire d'études spatiales et d'instrumentation en astrophysique (5, place Jules Janssen 92190 MEUDON - France)
- CNRS - Centre National de la Recherche Scientifique : UMR8109 (France)
- UPD7 - Université Paris Diderot - Paris 7 (5 rue Thomas-Mann - 75205 Paris cedex 13 - France)
- Observatoire de Paris (61 Av de l'Observatoire 75014 PARIS - France)
- PSL - Université Paris sciences et lettres (60 rue Mazarine 75006 Paris - France)
- INSU - CNRS - Institut national des sciences de l'Univers (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
- UPMC - Université Pierre et Marie Curie - Paris 6 (4 place Jussieu - 75005 Paris - France)
3
SSI - Space Science Institute [Macau] (Taipa, Macau - China)
- MUST - Macau University of Science and Technology (Avenida Wai Long, Taipa, Macau - China)
4
OAT - INAF - Osservatorio Astronomico di Trieste (Via G.B. Tiepolo 11 34143 TRIESTE, Italy - Italy)
- INAF - Istituto Nazionale di Astrofisica (Viale del Parco Mellini 84, 00136 Roma - Italy)
5
IAA - Instituto de Astrofísica de Andalucía (Granada E-18008 - Spain)
- CSIC - Consejo Superior de Investigaciones Científicas [Spain] (Serrano 117, 28006 Madrid - Spain)
6
University of Oldenburg (Carl von Ossietzky Universität Oldenburg, Ammerländer Heerstr. 114, D- 26129 Oldenburg - Germany)
7
Carl Von Ossietzky Universität Oldenburg (Ammerländer Heerstr. 114-118, 26129 Oldenburg - Germany)
8
CISAS - Centro di Ateneo di Studi e Attività Spaziali “Giuseppe Colombo” (Via Venezia 15, 35131 Padova, Italie - Italy)
- Universita degli Studi di Padova (Via 8 Febbraio 2, 35122 Padova - Italy)
9
Dipartimento di Fisica e Astronomia "Galileo Galilei" (via Marzolo 8, I-35131 Padova - Italy)
- Universita degli Studi di Padova (Via 8 Febbraio 2, 35122 Padova - Italy)
10
LAM - Laboratoire d'Astrophysique de Marseille (Pôle de l'Étoile Site de Château-Gombert 38, rue Frédéric Joliot-Curie 13388 Marseille cedex 13 - France)
- AMU - Aix Marseille Université : UMR7326 (Aix-Marseille Université Jardins du Pharo 58 Boulevard Charles Livon 13284 Marseille cedex 7 - France)
- INSU - CNRS - Institut national des sciences de l'Univers (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
- CNES - Centre National d'Études Spatiales [Toulouse] : UMR7326 (18 avenue Edouard Belin 31401 Toulouse - France)
- CNRS - Centre National de la Recherche Scientifique : UMR7326 (France)
11
CAB - Centro de Astrobiologia [Madrid] (28850 Torrejón de Ardoz, Madrid - Spain)
- INTA - Instituto Nacional de Técnica Aeroespacial ( Torrejón de Ardoz, Madrid - Spain)
- CSIC - Consejo Superior de Investigaciones Científicas [Spain] (Serrano 117, 28006 Madrid - Spain)
12
ISSI - International Space Science Institute [Bern] (Hallerstrasse 6 3012 Bern - Switzerland)
13
ESTEC - European Space Research and Technology Centre (Keplerlaan 1, 2201 Noordwijk - Netherlands)
- ESA - European Space Agency (France)
14
Department of Physics and Astronomy [Uppsala] (751 05 Uppsala - Sweden)
- Uppsala University (Box 256, SE-751 05 Uppsala - Sweden)
15
CBK - Space Research Centre of Polish Academy of Sciences (Bartycka 18A, 00-716 Warsaw, Poland - Poland)
- PAN - Polska Akademia Nauk (Poland)
16
Department of Astronomy [College Park] (United States)
- University of Maryland [College Park] (College Park, MD 20742 - United States)
- University of Maryland System (United States)
17
IMPEC - LATMOS (France)
- LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales (11 boulevard d'Alembert
Quartier des Garennes
78280 - Guyancourt - France)
- UVSQ - Université de Versailles Saint-Quentin-en-Yvelines : UMR8190 (55 avenue de Paris - 78035 Versailles cedex - France)
- UPMC - Université Pierre et Marie Curie - Paris 6 : UMR8190 (4 place Jussieu - 75005 Paris - France)
- INSU - CNRS - Institut national des sciences de l'Univers : UMR8190 (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
- CNRS - Centre National de la Recherche Scientifique : UMR8190 (France)
18
OAPD - INAF - Osservatorio Astronomico di Padova (Vicolo dell'Osservatorio, 5, 35122 Padova - Italy)
- INAF - Istituto Nazionale di Astrofisica (Viale del Parco Mellini 84, 00136 Roma - Italy)
19
IFN - CNR Institute for Photonics and Nanotechnologies (Italy)
- CNR - Consiglio Nazionale delle Ricerche [Roma] (Piazzale Aldo Moro,7 - 00185, Roma - Italy)
20
JPL - Jet Propulsion Laboratory (4800 Oak Grove Drive, Pasadena, CA 91109-8099, USA - United States)
- NASA (www.nasa.gov - United States)
- CALTECH - California Institute of Technology (1200 East California Blvd, Pasadena, California 91125 - United States)
21
Department of Industrial Engineering [Padova] (Dipartimento di Ingegneria Industriale, Via Gradenigo, 6/a, 35131 Padova - Italy)
- Universita degli Studi di Padova (Via 8 Febbraio 2, 35122 Padova - Italy)
22
University of Trento [Trento] (via Calepina, 14 - I-38122 Trento
- Italy)
23
Operations Department (ESAC) (PO Box 78, 28691 Villanueva de la Canada, Madrid - Spain)
- ESAC - European Space Astronomy Centre (Camino bajo del Castillo, s/n, Urbanización Villafranca del Castillo,, Villanueva de la Cañada, E-28692 Madrid
- Spain)
- ESA - European Space Agency (France)
24
DLR Institut für Planetenforschung (Berlin - Germany)
- DLR - Deutsches Zentrum für Luft- und Raumfahrt [Berlin] (Rutherfordstraße 2 12489 Berlin - Germany)
25
Institute of Space Science [Taiwan] (Taoyuan City 32001, Taiwan - Taiwan)
- NCU - National Central University [Taiwan] (300, Zhongda Road, Zhongli District, Taoyuan City, Taïwan 320 - Taiwan)
26
IGEP - Institut für Geophysik und Extraterrestrische Physik [Braunschweig] (Mendelssohnstr. 3, D-38106 Braunschweig - Germany)
- Technische Universität Braunschweig [Braunschweig] (38092 Braunschweig - Germany)
27
ARC - NASA Ames Research Center (Moffett Field, California 94035 - United States)
28
CSH - Center for Space and Habitability (University of Bern,
Hochschulstrasse 4,
3012 Bern - Switzerland)
- University of Bern (Hochschulstrasse 4, 3012 Bern, Switzerland - Switzerland)
29
Physikalisches Institut [Bern] (Sidlerstr. 5, 3012 Bern - Switzerland)
- Universität Bern [Bern] (Hochschulstrasse 4 - CH-3012 Bern - Switzerland)
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.
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Journal articles
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https://hal-insu.archives-ouvertes.fr/insu-01574602
Contributor : Catherine Cardon <>
Submitted on : Tuesday, August 15, 2017 - 8:54:09 PM
Last modification on : Saturday, September 19, 2020 - 4:51:20 AM
Contributor : Catherine Cardon <>
Submitted on : Tuesday, August 15, 2017 - 8:54:09 PM
Last modification on : Saturday, September 19, 2020 - 4:51:20 AM
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- HAL Id : insu-01574602, version 1
- DOI : 10.1093/mnras/stx1692
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Citation
Carsten Güttler, Pedro H. Hasselmann, Y. Li, Marco Fulle, Cécilia Tubiana, et al.. Characterization of dust aggregates in the vicinity of the Rosetta spacecraft. Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P - Oxford Open Option A, 2017, 469 (Suppl_2), pp.S312 - S320. ⟨10.1093/mnras/stx1692⟩. ⟨insu-01574602⟩
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