Curation/Sampler

2024

• Tanaka et al., Unraveling the Cr Isotopes of Ryugu: An Accurate Aqueous Alteration Age and the Least Thermally Processed Solar System Material, Astrophys. J. 965, (2024-04-10), doi.org/10.3847/1538-4357/ad276a

2023

• Miyazaki et al., A newly revised estimation of bulk densities and examination of the shape of individual Ryugu grains, Earth Planets Space 75, (2023-11-15), doi.org/10.1186/s40623-023-01904-6
• Yada et al., A curation for uncontaminated Hayabusa2-returned samples in the extraterrestrial curation center of JAXA: from the beginning to present day, Earth Planets Space 75, (2023-11-15), doi.org/10.1186/s40623-023-01924-2
• Le Pivert-Jolivet et al., Space weathering record and pristine state of Ryugu samples from MicrOmega spectral analysis, Nature Astronomy 7, (2023-10-05), doi.org/10.1038/s41550-023-02092-9
• Nishimura et al., Ryugu Sample Database System (RS-DBS) on the Data Archives and Transmission System (DARTS) by the JAXA curation, Earth Planets Space 75, (2023-08-21), doi.org/10.1186/s40623-023-01887-4
• Tomioka et al., A history of mild shocks experienced by the regolith particles on hydrated asteroid Ryugu, Nature Astronomy 7, (2023-04-20), doi.org/10.1038/s41550-023-01947-5
• Otto et al., MASCOT’s in situ analysis of asteroid Ryugu in the context of regolith samples and remote sensing data returned by Hayabusa2, Earth Planets Space 75, (2023-04-06), doi.org/10.1186/s40623-023-01805-8
• Hatakeda et al., Homogeneity and heterogeneity in near-infrared FTIR spectra of Ryugu returned samples, Earth Planets Space 75, (2023-04-06), doi.org/10.1186/s40623-023-01784-w
• Nakato et al., Variations of the surface characteristics of Ryugu returned samples, Earth Planets Space 75, (2023-03-28), doi.org/10.1186/s40623-022-01754-8
• Yamaguchi et al., Insight into multi-step geological evolution of C-type asteroids from Ryugu particles, Nature Astronomy 7, (2023-03-20), doi.org/10.1038/s41550-023-01925-x
• Potiszil et al., Insights into the formation and evolution of extraterrestrial amino acids from the asteroid Ryugu., Nature Communications 14, (2023-03-17), doi.org/10.1038/s41467-023-37107-6
• McCain et al., Early fluid activity on Ryugu inferred by isotopic analyses of carbonates and magnetite, Nature Astronomy 7, (2023-01-12), doi.org/10.1038/s41550-022-01863-0
• Loizeau et al., Constraints on Solar System early evolution by MicrOmega analysis of Ryugu carbonates, Nature Astronomy 7, (2023-01-12), doi.org/10.1038/s41550-022-01870-1

2022

• Greenwood et al., Oxygen isotope evidence from Ryugu samples for early water delivery to Earth by CI chondrites., Nature Astronomy 7, (2022-12-19), doi.org/10.1038/s41550-022-01824-7
• Nakato et al., Ryugu particles found outside the Hayabusa2 sample container., Geochem. J. 56, (2022-10-21), doi.org/10.2343/geochemj.GJ22017
• Liu et al., Incorporation of 16O-rich anhydrous silicates in the protolith of highly hydrated asteroid Ryugu., Nature Astronomy 6, (2022-09-01), doi.org/10.1038/s41550-022-01762-4
• Ito et al., A pristine record of outer Solar System materials from asteroid Ryugu’s returned sample., Nature Astronomy 6, (2022-08-15), doi.org/10.1038/s41550-022-01745-5
• Cho et al., Development of a multispectral stereo-camera system comparable to Hayabusa2 optical navigation camera (ONC-T) for observing samples returned from asteroid (162173) Ryugu., Planet. Space Sci. 221, (2022-07-30), doi.org/10.1016/j.pss.2022.105549
• Sakamoto et al., Environmental assessment in the prelaunch phase of Hayabusa2 for safety declaration of returned samples from the asteroid (162173) Ryugu: background monitoring and risk management during development of the sampler system., Earth Planets Space 74, (2022-06-10), doi.org/10.1186/s40623-022-01628-z
• Nakamura E. et al., On the origin and evolution of the asteroid Ryugu: A comprehensive geochemical perspective., Proceedings of Japan Academy Series B 98, (2022-06-10), doi.org/10.2183/pjab.98.015
• Riu et al., Calibration and performances of the MicrOmega instrument for the characterization of asteroid Ryugu returned samples., Rev Scient. Inst. 93, (2022-05-25), doi.org/10.1063/5.0082456
• Miura et al., The GAs Extraction and Analyses system (GAEA) for immediate extraction and measurements of volatiles in the Hayabusa2 sample container., Earth Planets Space 74, (2022-05-24), doi.org/10.1186/s40623-022-01638-x
• Tachibana et al., Pebbles and sand on asteroid (162173) Ryugu: In situ observation and particles returned to Earth., Science 375, (2022-02-10), doi.org/10.1126/science.abj8624

2021

• Yada et al., Preliminary analysis of the Hayabusa2 samples returned from C-type asteroid Ryugu., Nature Astronomy 6, (2021-12-20), doi.org/10.1038/s41550-021-01550-6
• Pilorget et al., First compositional analysis of Ryugu samples by the MicrOmega hyperspectral microscope., Nature Astronomy 6, (2021-12-20), doi.org/10.1038/s41550-021-01549-z

2020

• Takano et al., Chemical assessment of the explosive chamber in the projector system of Hayabusa2 for asteroid sampling., Earth Planets Space 72, (2020-07-11), doi.org/10.1186/s40623-020-01217-y

2017

• Sawada et al., Hayabusa2 Sampler: Collection of Asteroidal Surface Material., Space Sci. Rev. 208, (2017-02-15), doi.org/10.1007/s11214-017-0338-8

2016

• Okazaki et al., Hayabusa2 Sample Catcher and Container: Metal-Seal System for Vacuum Encapsulation of Returned Samples with Volatiles and Organic Compounds Recovered from C-Type Asteroid Ryugu., Space Sci. Rev. 208, (2016-10-10), doi.org/10.1007/s11214-016-0289-5

     

Initial Analysis

2024

• Aléon-Toppani et al., Correlated IR-SEM-TEM studies of three different grains from Ryugu: From the initial material to post-accretional processes, Geochim. Cosmochim. Acta 371, (2024-04-15), doi.org/10.1016/j.gca.2024.02.006
• Rubino et al., Space-weathering induced changes in hydrated silicates: A multi-scale study combining visible/infrared spectroscopy and electron microscopy, Icarus 415, (2024-04-03), doi.org/10.1016/j.icarus.2024.116070
• Laforet et al., Linking Cause and Effect: Nanoscale Vibrational Spectroscopy of Space Weathering from Asteroid Ryugu, Astrophys. J. Lett. 963, (2024-03-08), doi.org/10.3847/2041-8213/ad2b65
• Hu et al., Pervasive aqueous alteration in the early Solar System revealed by potassium isotopic variations in Ryugu samples and carbonaceous chondrites, Icarus 409, (2024-02-01), doi.org/10.1016/j.icarus.2023.115884
• Tachibana S., Asteroidal Organics from the Sample Return Mission Hayabusa2 and their Implication for Understanding our Origins, Elements 20, (2024-02-01), doi.org/10.2138/gselements.20.1.31
• Matsumoto M. et al., Microstructural and chemical features of impact melts on Ryugu particle surfaces: Records of interplanetary dust hit on asteroid Ryugu, Science Advances 10, (2024-01-19), doi.org/10.1126/sciadv.adi7203
• Bonal et al., The thermal history of Ryugu based on Raman characterization of Hayabusa2 samples, Icarus 408, (2024-01-15), doi.org/10.1016/j.icarus.2023.115826

2023

• Morita et al., Analysis of Cation Composition in Dolomites on the Intact Particles Sampled from Asteroid Ryugu, Analytical Chemistry 96, (2023-12-28), doi.org/10.1021/acs.analchem.3c03463
• Zeichner et al., Polycyclic aromatic hydrocarbons in samples of Ryugu formed in the interstellar medium, Science 382, (2023-12-21), doi.org/10.1126/science.adg6304
• Torrano et al., Neodymium-142 deficits and samarium neutron stratigraphy of C-type asteroid (162173) Ryugu, Meteorit. Planet. Sci. 58, (2023-12-07), doi.org/10.1111/maps.14109
• Amano et al., Reassigning CI chondrite parent bodies based on reflectance spectroscopy of samples from carbonaceous asteroid Ryugu and meteorites, Science Advances 9, (2023-12-06), doi.org/10.1126/sciadv.adi3789
• Matsumoto T. et al., Influx of nitrogen-rich material from the outer Solar System indicated by iron nitride in Ryugu samples, Nature Astronomy 7, (2023-11-30), doi.org/10.1038/s41550-023-02137-z
• Bizzarro et al., The Magnesium Isotope Composition of Samples Returned from Asteroid Ryugu, Astrophys. J. Lett. 958, (2023-11-24), doi.org/10.3847/2041-8213/ad09d9
• Noguchi et al., Mineralogy and petrology of fine-grained samples recovered from the asteroid (162173) Ryugu, Meteorit. Planet. Sci. 58 (2023-11-22), /doi.org/10.1111/maps.14093
• Roskosz et al., The iron oxidation state of Ryugu samples, Meteorit. Planet. Sci. 58, (2023-11-20), doi.org/10.1111/maps.14098
• Leroux et al., Phyllosilicates with embedded Fe-based nanophases in Ryugu and Orgueil, Meteorit. Planet. Sci. 58 (2023-11-14), /doi.org/10.1111/maps.14101
• Quirico et al., Compositional heterogeneity of insoluble organic matter extracted from asteroid Ryugu samples, Meteorit. Planet. Sci.58, (2023-11-13), doi.org/10.1111/maps.14097
• Yokoyama et al., Water circulation in Ryugu asteroid affected the distribution of nucleosynthetic isotope anomalies in returned sample, Science Advances 9, (2023-11-08), doi.org/10.1126/sciadv.adi7048
• Schmidt-Kopplin et al., Soluble organic matter Molecular atlas of Ryugu reveals cold hydrothermalism on C-type asteroid parent body, Nature Communications 14, (2023-10-16), doi.org/10.1038/s41467-023-42075-y
• Matsuoka et al., Space weathering acts strongly on the uppermost surface of Ryugu, Commun. Earth Environ. 4, (2023-09-27), doi.org/10.1038/s43247-023-00991-3
• Yoshimura et al., Chemical evolution of primordial salts and organic sulfur molecules in the asteroid 162173 Ryugu, Nature Communications 14, (2023-09-18), doi.org/10.1038/s41467-023-40871-0
• Dionnet et al., Three-dimensional multiscale assembly of phyllosilicates, organics, and carbonates in small Ryugu fragments, Meteorit. Planet. Sci. 58, (2023-09-02), doi.org/10.1111/maps.14068
• Kimura Y. et al., Visualization of nanoscale magnetic domain states in the asteroid Ryugu, Scientific Reports 13, (2023-08-29), doi.org/10.1038/s41598-023-41242-x
• Tang et al., The Oxygen Isotopic Composition of Samples Returned from Asteroid Ryugu with Implications for the Nature of the Parent Planetesimal, The Planetary Science Journal 4, (2023-08-21), doi.org/10.3847/PSJ/acea62
• Kebukawa et al., Infrared absorption spectra from organic matter in the asteroid Ryugu samples: Some unique properties compared to unheated carbonaceous chondrites, Meteorit. Planet. Sci. 58, (2023-08-19), doi.org/10.1111/maps.14064
• Hiroi et al., Evidence of global space weathering by solar wind on asteroid 162173 Ryugu, Icarus 406, (2023-08-09), doi.org/10.3847/2041-8213/ac83bd
• Barosch et al., Presolar stardust in asteroid Ryugu, Astrophys. J. Lett. 935, (2023-08-09), doi.org/10.3847/2041-8213/ac83bd
• Meshik et al., Noble gas mass-spectrometry for extraterrestrial micro-samples: analyses of asteroid matter returned by Hayabusa2 JAXA mission, J. Anal. At. Spectrom. 38, (2023-07-21), doi.org/10.1039/D3JA00125C
• Nguyen et al., Abundant presolar grains and primordial organics preserved in carbon-rich exogenous clasts in asteroid Ryugu, Science Advances 9, (2023-07-14), doi.org/10.1126/sciadv.adh1003
• Brunetto et al., Ryugu's Anhydrous Ingredients and Their Spectral Link to Primitive Dust from the Outer Solar System, Astrophys. J. Lett. 951, (2023-07-10), doi.org/10.3847/2041-8213/acdf5c
• Fujiya et al., Carbonate record of temporal change in oxygen fugacity and gaseous species in asteroid Ryugu, Nat. Geosci. 16, (2023-07-10), doi.org/10.1038/s41561-023-01226-y
• Nakashima et al., Development of preparation methods of polished sections of returned samples from asteroid Ryugu by the Hayabusa2 spacecraft, Meteorit. Planet. Sci. 58, (2023-07-03), doi.org/10.1111/maps.14036
• Hashiguchi et al., The spatial distribution of soluble organic matter and their relationship to minerals in the asteroid (162173) Ryugu, Earth Planets Space 75, (2023-05-08), doi.org/10.1186/s40623-023-01792-w
• Parker et al., Extraterrestrial amino acids and amines identified in asteroid Ryugu samples returned by the Hayabusa2 mission, Geochim. Cosmochim. Acta 347, (2023-04-15), doi.org/10.1016/j.gca.2023.02.017
• Piani et al., Hydrogen Isotopic Composition of Hydrous Minerals in Asteroid Ryugu, Astrophys. J. Lett. 946, (2023-04-04), doi.org/10.3847/2041-8213/acc393
• Dobrică et al., Nonequilibrium spherulitic magnetite in the Ryugu samples, Geochim. Cosmochim. Acta 346, (2023-04-01), doi.org/10.1016/j.gca.2023.02.003
• Oba et al., Uracil in the carbonaceous asteroid (162173) Ryugu, Nature Communications 14, (2023-03-21), doi.org/10.1038/s41467-023-36904-3
• Broadley et al., The noble gas and nitrogen relationship between Ryugu and carbonaceous chondrites, Geochim. Cosmochim. Acta 345, (2023-03-15), doi.org/10.1016/j.gca.2023.01.020
• Viennet et al., Interaction between clay minerals and organics in asteroid Ryugu, Geochemical Persp. 25, (2023-03-09), doi.org/10.7185/geochemlet.2307
• Aponte et al., CPAHs, hydrocarbons, and dimethylsulfdes in Asteroid Ryugu samples A0106 and C0107 and the Orgueil (CI1) meteorite, Earth Planets Space 75, (2023-02-27), doi.org/10.1186/s40623-022-01758-4
• Dartois et al., Chemical composition of carbonaceous asteroid Ryugu from synchrotron spectroscopy in the mid- to far-infrared of Hayabusa2-returned samples, Astron. Astrophys 671, (2023-02-27), doi.org/10.1051/0004-6361/202244702
• Naraoka et al., Soluble organic molecules in samples of the carbonaceous asteroid (162173) Ryugu, Science 379, (2023-02-24), doi.org/10.1126/science.abn9033
• Yabuta et al., Macromolecular organic matter in samples of the asteroid (162173) Ryugu, Science 379, (2023-02-24), doi.org/10.1126/science.abn9057
• Nakashima et al., Chondrule-like objects and Ca-Al-rich inclusions in Ryugu may potentially be the oldest Solar System materials, Nature Communications 14, (2023-02-16), doi.org/10.1038/s41467-023-36268-8
• Ishizaki et al., Measurement of Microscopic Thermal Diffusivity Distribution for Ryugu Sample by Infrared Lock-in Periodic Heating Method, International Journal of Thermophysics 44, (2023-02-09), doi.org/10.1007/s10765-023-03158-6
• Rubino et al., Small grains from Ryugu: handling and analysis pipeline for infrared synchrotron microspectroscopy, Earth Planets Space 75, (2023-01-09), doi.org/10.1186/s40623-022-01762-8

2022

• Noguchi et al., A dehydrated space-weathered skin cloaking the hydrated interior of Ryugu, Nature Astronomy 7, (2022-12-19), doi.org/10.1038/s41550-022-01841-6
• Kawasaki et al., Oxygen isotopes of anhydrous primary minerals show kinship between asteroid Ryugu and comet 81P/Wild2, Science Advances 8, (2022-12-16), doi.org/10.1126/sciadv.ade2067
• Paquet et al., Contribution of Ryugu-like material to Earth’s volatile inventory by Cu and Zn isotopic analysis, Nature Astronomy 7, (2022-12-12), doi.org/10.1038/s41550-022-01846-1
• Bazi et al., Trace-element analysis of mineral grains in Ryugu rock fragment sections by synchrotron-based confocal X-ray fluorescence, Earth Planets Space 74, (2022-11-04), doi.org/10.1186/s40623-022-01726-y
• Sato et al., Rock magnetic characterization of returned samples from asteroid (162173) Ryugu: implications for paleomagnetic interpretation and paleointensity estimation, JGR Planets 127, (2022-10-24), doi.org/10.1029/2022JE007405
• Hopp et al., Ryugu’s nucleosynthetic heritage from the outskirts of the Solar System, Science Advances 8, (2022-10-20), doi.org/10.1126/sciadv.add8141
• Okazaki et al., First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from Ryugu, Science Advances 8, (2022-10-20), doi.org/10.1126/sciadv.abo7239
• Okazaki et al., Noble gases and nitrogen in samples of asteroid Ryugu record its volatile sources and recent surface evolution, Science 379, (2022-10-20), doi.org/10.1126/science.abo0431
• Moynier et al., The Solar System calcium isotopic composition inferred from Ryugu samples, Geochem. Persp. Let. 24, (2022-10-19), doi.org/10.7185/geochemlet.2238
• Tack et al., Rare earth element identification and quantification in millimetre-sized Ryugu rock fragments from the Hayabusa2 space mission, Earth Planets Space 74, (2022-09-28), doi.org/10.1186/s40623-022-01705-3
• Nakamura T. et al., Formation and evolution of carbonaceous asteroid Ryugu: Direct evidence from returned samples, Science 379, (2022-09-22), doi.org/10.1126/science.abn8671
• Barosch et al., Presolar stardust in asteroid Ryugu, Astrophys. J. Lett. 935, (2022-08-09), doi.org/10.3847/2041-8213/ac83bd
• Yokoyama et al., Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites, Science 379, (2022-06-09), doi.org/10.1126/science.abn7850

Announcement of Opportunity (AO)

2024

• Yesiltas et al., Nanoscale Spectroscopic Identification and Characterization of Minerals and Organic Matter in Ryugu Particles, JGR-Planets 129, (2024-04-10), doi.org/10.1029/2023JE008090
• Maurel et al., Hayabusa 2 returned samples reveal a weak to null magnetic field during aqueous alteration of Ryugu’s parent body, Earth Planet. Sci. Lett. 627 (2024-02-01), doi.org/10.1016/j.epsl.2023.118559

2023

• Hamm et al., Evidence for the Presence of Thin and Heterogenous Dust Deposits on Ryugu's Boulders From Hayabusa2 MARA and Sample Data, Geophysical Research Letters 50, (2023-11-16), doi.org/10.1029/2023GL104795