{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1360580232415224064.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1093/mnras/stac1547"}},{"identifier":{"@type":"URI","@value":"https://academic.oup.com/mnras/advance-article-pdf/doi/10.1093/mnras/stac1547/44264654/stac1547.pdf"}},{"identifier":{"@type":"URI","@value":"https://academic.oup.com/mnras/article-pdf/514/4/6173/44887249/stac1547.pdf"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"NIRS3 spectral analysis of the artificial Omusubi-Kororin crater on Ryugu"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>ABSTRACT</jats:title>\n               <jats:p>The JAXA Hayabusa2 mission accomplished the formation of an artificial crater on the asteroid Ryugu. The aim of this work is to analyse the area surrounding the artificial crater and reveal spectral variability compared to the same region before the crater formation, to mineralogically and physically characterize the subsurface exposed material. The crater’s investigation focused on the analysis of two regions corresponding to the inner part of crater (the pit and the crater wall/floor), two areas related to ejecta deposited close to the crater, two areas of ejecta moved far from the crater, and two external areas. Each area was investigated both before and after the crater formation, by the study of the photometrically corrected spectral parameters: the 1.9 $\\mu$m reflectance, the near-infrared spectral slope, and the depth of the bands at 2.7 and 2.8 $\\mu$m. The subsurface material of the post-crater areas shows deeper absorption bands, a decrease in reflectance, and a reddening in spectral slope with respect to the surface material of pre-crater areas. The subsurface regolith could have experienced a lower OH devolatilization due to space weathering and/or could be composed of finer dark grains than the surface layer. The ejecta reached distances of $\\sim $20 m from the impact point, mainly moving in the northern direction; nevertheless, a few ejecta also reached the south-eastern part of crater.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380580232415224088","@type":"Researcher","foaf:name":[{"@value":"A Galiano"}],"jpcoar:affiliationName":[{"@value":"INAF-IAPS , 00133 Rome, Italy"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415224098","@type":"Researcher","foaf:name":[{"@value":"E Palomba"}],"jpcoar:affiliationName":[{"@value":"INAF-IAPS , 00133 Rome, Italy"},{"@value":"SSDC-ASI , 00133 Rome, Italy"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415224077","@type":"Researcher","foaf:name":[{"@value":"F Dirri"}],"jpcoar:affiliationName":[{"@value":"INAF-IAPS , 00133 Rome, Italy"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415224067","@type":"Researcher","foaf:name":[{"@value":"A Longobardo"}],"jpcoar:affiliationName":[{"@value":"INAF-IAPS , 00133 Rome, Italy"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415224085","@type":"Researcher","foaf:name":[{"@value":"K Kitazato"}],"jpcoar:affiliationName":[{"@value":"University of Aizu , Aizu-Wakamatsu, Fukushima 965-8580, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415223936","@type":"Researcher","foaf:name":[{"@value":"T Iwata"}],"jpcoar:affiliationName":[{"@value":"Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency , Sagamihara 252-5210, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415224068","@type":"Researcher","foaf:name":[{"@value":"M Matsuoka"}],"jpcoar:affiliationName":[{"@value":"Geological Survey of Japan (GSJ), National Institute of Advanced Industrial Science and Technology (AIST) , Ibaraki 305-8567, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415223939","@type":"Researcher","foaf:name":[{"@value":"T Hiroi"}],"jpcoar:affiliationName":[{"@value":"Department of Earth, Environmental and Planetary Sciences, Brown University , Providence, RI 02912, USA"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415223956","@type":"Researcher","foaf:name":[{"@value":"D Takir"}],"jpcoar:affiliationName":[{"@value":"Jacobs/NASA Johnson Space Center , Houston, TX 77058, USA"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415224089","@type":"Researcher","foaf:name":[{"@value":"T Nakamura"}],"jpcoar:affiliationName":[{"@value":"Tohoku University , Miyagi 980-8577, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415224193","@type":"Researcher","foaf:name":[{"@value":"M Abe"}],"jpcoar:affiliationName":[{"@value":"Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency , Sagamihara 252-5210, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415224092","@type":"Researcher","foaf:name":[{"@value":"M Ohtake"}],"jpcoar:affiliationName":[{"@value":"Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency , Sagamihara 252-5210, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415223941","@type":"Researcher","foaf:name":[{"@value":"S Matsuura"}],"jpcoar:affiliationName":[{"@value":"Kwansei Gakuin University , Hyogo 662-8501, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415224069","@type":"Researcher","foaf:name":[{"@value":"S Watanabe"}],"jpcoar:affiliationName":[{"@value":"Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency , Sagamihara 252-5210, Japan"},{"@value":"Nagoya University , Nagoya 464-8601, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415224073","@type":"Researcher","foaf:name":[{"@value":"M Yoshikawa"}],"jpcoar:affiliationName":[{"@value":"Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency , Sagamihara 252-5210, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415223947","@type":"Researcher","foaf:name":[{"@value":"T Saiki"}],"jpcoar:affiliationName":[{"@value":"Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency , Sagamihara 252-5210, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415224065","@type":"Researcher","foaf:name":[{"@value":"S Tanaka"}],"jpcoar:affiliationName":[{"@value":"Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency , Sagamihara 252-5210, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415224091","@type":"Researcher","foaf:name":[{"@value":"T Okada"}],"jpcoar:affiliationName":[{"@value":"Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency , Sagamihara 252-5210, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415223946","@type":"Researcher","foaf:name":[{"@value":"Y Yamamoto"}],"jpcoar:affiliationName":[{"@value":"Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency , Sagamihara 252-5210, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415223943","@type":"Researcher","foaf:name":[{"@value":"Y Takei"}],"jpcoar:affiliationName":[{"@value":"Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency , Sagamihara 252-5210, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415223954","@type":"Researcher","foaf:name":[{"@value":"K Shirai"}],"jpcoar:affiliationName":[{"@value":"Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency , Sagamihara 252-5210, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415223950","@type":"Researcher","foaf:name":[{"@value":"N Hirata"}],"jpcoar:affiliationName":[{"@value":"University of Aizu , Aizu-Wakamatsu, Fukushima 965-8580, Japan"},{"@value":"Kobe University , Kobe 657-8501, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415224076","@type":"Researcher","foaf:name":[{"@value":"K Matsumoto"}],"jpcoar:affiliationName":[{"@value":"National Astronomical Observatory of Japan , Mitaka 181-8588, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1380580232415224074","@type":"Researcher","foaf:name":[{"@value":"Y Tsuda"}],"jpcoar:affiliationName":[{"@value":"Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency , Sagamihara 252-5210, Japan"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00358711"},{"@type":"EISSN","@value":"13652966"}],"prism:publicationName":[{"@value":"Monthly Notices of the Royal Astronomical Society"}],"dc:publisher":[{"@value":"Oxford University Press 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