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  • Schröder, StefanusLuleå tekniska universitet,Rymdteknik (author)

Characterization of the MASCOT landing area by Hayabusa2

  • Article/chapterEnglish2022

Publisher, publication year, extent ...

  • 2022-10-21
  • EDP Sciences,2022
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:ltu-92843
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-92843URI
  • https://doi.org/10.1051/0004-6361/202244059DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Validerad;2022;Nivå 2;2022-11-10 (hanlid);Funder: JSPS International Planetary Network
  • Context. After landing on C-type asteroid Ryugu, MASCOT imaged brightly colored, submillimeter-sized inclusions in a small rock. Hayabusa2 successfully returned a sample of small particles from the surface of Ryugu, but none of these appear to harbor such inclusions. The samples are considered representative of Ryugu.Aims. To understand the apparent discrepancy between MASCOT observations and Ryugu samples, we assess whether the MASCOT landing site, and the rock by implication, is perhaps atypical for Ryugu.Methods. We analyzed observations of the MASCOT landing area acquired by three instruments on board Hayabusa2: a camera (ONC), a nearinfrared spectrometer (NIRS3), and a thermal infrared imager (TIR). We compared the landing area properties thus retrieved with those of theaverage Ryugu surface.Results. We selected several areas and landforms in the landing area for analysis: a small crater, a collection of smooth rocks, and the landing site itself. The crater is relatively blue and the rocks are relatively red. The spectral and thermophysical properties of the landing site are very closeto those of the average Ryugu surface. The spectral properties of the MASCOT rock are probably close to average, but its thermal inertia may besomewhat higher.Conclusions. The MASCOT rock can also be considered representative of Ryugu. Some of the submillimeter-sized particles in the returned samples stand out because of their atypical spectral properties. Such particles may be present as inclusions in the MASCOT rock.

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  • Sakatani, NaoyaInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Kanagawa 252-5210, Japan (author)
  • Honda, RieCenter for Data Science, Ehime University, Matsuyama, Ehime 790–8577, Japan (author)
  • Tatsumi, EriInstituto de Astrofísica de Canarias, University of La Laguna, 38205 La Laguna, Tenerife, Spain (author)
  • Yokota, YasuhiroInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Kanagawa 252-5210, Japan; Kochi University, Kochi 780-8520, Japan (author)
  • Domingue, DeborahPlanetary Science Institute, Tucson, AZ 85719-2395, USA (author)
  • Cho, YuichiroUniversity of Tokyo, Bunkyo, Tokyo 113-0033, Japan (author)
  • Kameda, ShingoRikkyo University, Toshima, Tokyo 171-8501, Japan (author)
  • Kitazato, KoheiUniversity of Aizu, Fukushima 965-8580, Japan (author)
  • Kouyama, ToruNational Institute of Advanced Industrial Science and Technology, Koto, Tokyo 135-0064, Japan (author)
  • Matsuoka, MoeNational Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8567, Japan (author)
  • Miura, AkiraInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Kanagawa 252-5210, Japan (author)
  • Morota, TomokatsuUniversity of Tokyo, Bunkyo, Tokyo 113-0033, Japan (author)
  • Okada, TatsuakiInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Kanagawa 252-5210, Japan; University of Tokyo, Bunkyo, Tokyo 113-0033, Japan (author)
  • Sawada, HirotakaInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Kanagawa 252-5210, Japan (author)
  • Senshu, HirokiPlanetary Exploration Research Center, Chiba Institute of Technology, Narashino, Chiba 275-0016, Japan (author)
  • Shimaki, YuriInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Kanagawa 252-5210, Japan (author)
  • Sugita, SeijiUniversity of Tokyo, Bunkyo, Tokyo 113-0033, Japan (author)
  • Tanaka, SatoshiInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Kanagawa 252-5210, Japan; Graduate University for Advanced Studies, SOKENDAI, Hayama, Kanagawa 240-0193, Japan; University of Tokyo, Kashiwa, Chiba 277-8561, Japan (author)
  • Yabuta, HikaruHiroshima University, 739-8526 Hiroshima, Japan (author)
  • Yamada, ManabuPlanetary Exploration Research Center, Chiba Institute of Technology, Narashino, Chiba 275-0016, Japan (author)
  • Grott, MatthiasInstitute of Planetary Research, German Aerospace Center (DLR), 12489 Berlin, Germany (author)
  • Hamm, MaximilianInstitute of Planetary Research, German Aerospace Center (DLR), 12489 Berlin, Germany; University of Potsdam, 14469 Potsdam, Germany (author)
  • Ho, Tra-MiInstitute of Space Systems, German Aerospace Center (DLR), 28359 Bremen, Germany (author)
  • Jaumann, RalfInstitute of Geological Sciences, Free University of Berlin, 12249 Berlin, Germany (author)
  • Mottola, StefanoInstitute of Planetary Research, German Aerospace Center (DLR), 12489 Berlin, Germany (author)
  • Otto, KatharinaInstitute of Planetary Research, German Aerospace Center (DLR), 12489 Berlin, Germany (author)
  • Schmitz, NicoleInstitute of Planetary Research, German Aerospace Center (DLR), 12489 Berlin, Germany (author)
  • Scholten, FrankInstitute of Planetary Research, German Aerospace Center (DLR), 12489 Berlin, Germany (author)
  • Luleå tekniska universitetRymdteknik (creator_code:org_t)

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  • In:Astronomy and Astrophysics: EDP Sciences6660004-63611432-0746

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