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Sökning: id:"swepub:oai:DiVA.org:ltu-96484" > MASCOT’s in situ an...

MASCOT’s in situ analysis of asteroid Ryugu in the context of regolith samples and remote sensing data returned by Hayabusa2

Otto, Katharina (författare)
German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany; Hiroshima University, Department of Earth and Planetary Systems Science, Higashi-Hiroshima, Japan
Ho, Tra-Mi (författare)
German Aerospace Center (DLR), Institute of Space Systems, Bremen, Germany
Ulamec, Stephan (författare)
German Aerospace Center (DLR), Space Operations and Astronaut Training, Cologne, Germany
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Bibring, Jean-Pierre (författare)
Institute d’Astrophysique Spatiale, Orsay, France
Biele, Jens (författare)
German Aerospace Center (DLR), Space Operations and Astronaut Training, Cologne, Germany
Grott, Matthias (författare)
German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
Hamm, Maximilian (författare)
German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany; Free University Berlin, Institute of Geological Sciences, Berlin, Germany
Hercik, David (författare)
Institute of Atmospheric Physics (CAS), Prague, Czech Republic
Jaumann, Ralf (författare)
Free University Berlin, Institute of Geological Sciences, Berlin, Germany
Sato, Masahiko (författare)
University of Tokyo, Department of Earth and Planetary Science, Tokyo, Japan
Schröder, Stefan (författare)
Luleå tekniska universitet,Rymdteknik
Tanaka, Satoshi (författare)
Japan Aerospace Exploration Agency (JAXA), Institute of Space and Astronautical Science (ISAS), Sagamihara, Japan
Auster, Ulrich (författare)
Technical University Braunschweig, Institute of Geophysics and Extraterrestrial Physics, Brunswick, Germany
Kitazato, Kohei (författare)
University of Aizu, C​e​n​t​e​r​ ​f​o​r​ ​A​d​v​a​n​c​e​d​ ​I​n​f​o​r​m​a​t​i​o​n​ ​S​c​i​e​n​c​e​ ​a​n​d​ ​T​e​c​h​n​o​l​o​g​y​ (CAIST), Fukushima, Japan
Knollenberg, Jörg (författare)
German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
Moussi, Aurelie (författare)
Centre National d’Etudes Spatiales (CNES), Toulouse, France
Nakamura, Tomoki (författare)
Tohoku University, Department of Earth Sciences, Sendai, Japan
Okada, Tatsuaki (författare)
Japan Aerospace Exploration Agency (JAXA), Institute of Space and Astronautical Science (ISAS), Sagamihara, Japan
Pilorget, Cedric (författare)
Institute d’Astrophysique Spatiale, Orsay, France
Schmitz, Nicole (författare)
German Aerospace Center (DLR), Institute of Planetary Research, Berlin, Germany
Sugita, Seiji (författare)
University of Tokyo, Department of Earth and Planetary Science, Tokyo, Japan
Wada, Koji (författare)
Planetary Exploration Research Center, Chiba Institute of Technology, Chiba, Japan
Yabuta, Hikaru (författare)
Hiroshima University, Department of Earth and Planetary Systems Science, Higashi-Hiroshima, Japan
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 (creator_code:org_t)
Springer, 2023
2023
Engelska.
Ingår i: Earth Planets and Space. - : Springer. - 1343-8832 .- 1880-5981. ; 75:1
Relaterad länk:
https://ltu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
https://doi.org/10.1...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • The Hayabusa2 mission provided a unique data set of asteroid Ryugu that covers a wide range of spatial scale from the orbiter remote sensing instruments to the returned samples. The MASCOT lander that was delivered onto the surface of Ryugu aimed to provide context for these data sets by producing in situ data collected by a camera (MasCam), a radiometer (MARA), a magnetometer (MasMag) and a spectrometer (MicrOmega). In this work, we evaluate the success of MASCOT as an integrated lander to bridge the gap between orbiter and returned sample analysis. We find that MASCOT’s measurements and derivatives thereof, including the rock morphology, colour in the visible wavelengths, possible meteorite analogue, density, and porosity of the rock at the landing site are in good agreement with those of the orbiter and the returned samples. However, it also provides information on the spatial scale (sub-millimetres to centimetres) at which some physical properties such as the thermal inertia and reflectance undergo scale-dependent changes. Some of the in situ observations such as the presence of clast/inclusions in rocks and the absence of fine particles at the landing site was uniquely identified by MASCOT. Thus, we conclude that the delivery of an in situ instrument like MASCOT provides a valuable data set that complements and provides context for remote sensing and returned sample analyses.

Ämnesord

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Nyckelord

Asteroid Ryugu
In situ analyses
Asteroid sample return
Multi-scale analysis
Asteroid regolith properties
Asteroid regolith
MASCOT
Hayabusa2
Atmosfärsvetenskap
Atmospheric science

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