Accepted proposals of the Ryugu Sample 4th AO

Date of adoption: December 20, 2023

PI Affiliation Proposal Samples
Alessandro MaturilliDLRStudying the effect of impact melt coatings on grains from the surface of RyuguA0383, C0404
Beatrice LuaisCRPG-CNRS-Univ-LorraineThe germanium isotopic composition of Ruygu sampleA0474, A0494
Cecile EngrandIJCLab, CNRS/Univ. Paris-SaclayCharacterisation of organic matter of Ryugu samples in comparison with CI-like micrometeorites and aqueously altered meteoritesA0106-3_IOM_residue, A0108-19_intact, C0107-16_IOM_residue, C0107-11_IOM_residue, C0109-4_intact, A0064-FO013_17_02, A0064-FO0020, C0002-FC0016, C0002-FC016_05, C0002-FC016_06, C0107-39_IOM_residue, A0106-36_IOM_residue, C0040-FC025_PS01, C0046-FO004_010_04 
Christian Gerald HooverArizona State UniversityNano-chemo-mechanical Characterization of Materials in RyuguA0517, C0380
Christian VollmerUniversity of MuensterLow-dose electron energy loss spectroscopy of minimally processed Ryugu organic matterA0461, C0396, C0420
Falko LangenhorstUniversity of JenaDefect microstructures in breunnerite and dolomite as indicator of aqueous precipitationA0390, A0502, A0507
Francois TissotCalifornia Institute of TechnologyThe stable isotope composition of pristine CI chondrites and the Solar System as constrained by Ryugu samplesC0379
Frederic MoynierInstitut de Physique du Globe de ParisRubidium and potassium isotopic composition of RyuguA0485, A0499, C0374
James GreenwoodWesleyan UniversityTracking the evolution of aqueous fluids on Ryugu: D17O and D/H of phosphate in hydroxyapatiteA0572, A0577, C0326
Joseph L KirschvinkCalifornia Institute of Technology; Kochi Marine Core CenterContinuing to search for magnetic monopoles using the unique opportunities provided by the returned samples from asteroid RyuguC0373 (Share)
Ke ZhuUniversity of BristolIsotopic anomalies of acid leachates in RyuguA0495, A0496, A0497, A0498,
Keisuke NagaoKOPRI; University of TokyoDetermination of average timescale of cosmic-ray exposure on Ryugu's surface using small grains aggregate samplesA0490, A0492, C0372, C0377
Martin BizzaroUniversity of CopenhagenThe silicon isotope composition of Ryugu and insights into the nucleosynthetic variability in primitive asteroids.A0319, A0348, A0369, A0376, C0002-C5001, C0002-C5002, C0002-C5003
Michelle ThompsonPurdue UniversityUnderstanding Space Weathering of Carbonaceous Asteroids through Coordinated Analysis of Samples from RyuguA0466, A0512, C0428
Molly C. McCantaUniversity of TennesseeDetermination of Oxidation Conditions During Aqueous Alteration and Heating Events on RyuguA0418, C0318
Naoki ShiraiKanagawa UniversityHalogens (Cl, Br, I) abundances of Ryugu samplesA0486, C0373 (Share)
Noriko KitaUniversity of Wisconsin-MadisonHigh precision SIMS oxygen isotope analyses of carbonates and magnetite in RyuguA0475, C0371
Olga Prieto-BallesterosCentro de Astrobiología-CSIC-INTA. SpainAsteroidal Treasure Hunt: Probing Prebiotic precursors in C-Type AsteroidsA0542, A0552
Queenie ChanRoyal Holloway University of LondonChemical analysis of Ryugu fluid inclusions and associated organics via coordinated cryo techniquesA0451, A0567
Rhonda StroudArizona State UniversitySTEM Analysis of Organic-Mineral RelationshipsC0350, C0367, A0104-002_001_05
Yongsong HuangBrown UniversityA new and efficient approach for compositional and isotopic characterization of indigenous and macromolecular organics in RyuguA0476, A0487, C0366, C0376
Yuri AmelinKorea Basic Science InstituteSIMS study of fine-scale distribution of U, Th and Pb in Ryugu samplesA0063-01, A0064-01, C0046-01, C0023-03


Accepted proposals of the Ryugu Sample 3rd AO

Date of adoption: July 12, 2023

PI Affiliation Proposal Samples
Ashley J KingNatural History MuseumUnlocking Ryugu’s Past: Primary Mineralogy, Aqueous Alteration, and Relationship to Chondrite GroupsC0025-01 (share), C0103-02
Benjamin Paul WeissMassachusetts Institute of TechnologyMagnetic Investigation of an Asteroid from Submillimeter to Kilometer ScalesA0404
Cornelia MeinertCNRS - Universite Cote d'AzurExploring the origin of life's homochirality: Enantiomeric Excess Analysis of Sugars and Amino Acids from RyuguA0478, A0483
Guillaume AviceUniversite Paris Cite IPGP CNRSNoble gas measurements of Hayabusa 2 gas samples to correct for atmospheric contamination and develop new curation techniques for volatile-rich samples collected during space missionsNT1P6A, NT2P1A, NT2P1B, NT2P1C, NT5P4A
Hajime YanoJAXA/ISASMicrostructural Analyses to Search for Evidence of Alteration Diversity within Precursor Materials of the Carbonaceous Asteroid RyuguA0327
Jabrane LabidiInstitut de Physique du Globe de ParisThe sulfur isotope composition of Ryugu: establishing CI chondrites as a volatile contributor to EarthA0481
Jemma DavidsonArizona State UniversityConstraining formation and alteration conditions of Ryugu via chrome-spinelA0341, C0303, A0094-01, C0103-01
Joseph L KirschvinkCalifornia Institute of Technology (Caltech, USA); Kochi Marine Core Center (Kochi University, Japan)A Continued Search for Dirac’s Magnetic Monopoles in Returned Samples from the Asteroid RyuguA0397, C0006 (share)
Kunihiko NishiizumiSpace Sciences Laboratory, University of California, BerkeleyStudy of exposure history of Ryugu surface-3A0105-19_LET713_A, A0105-19_LET713_C, A0105-19_LET713_D, A0105-20_LET714_A, A0105-20_LET714_C, A0105-20_LET714_D, C0106-09_LET710_A, C0106-09_LET710_C, C0106-09_LET710_D, C0106-10_LET711_A, C0106-10_LET711_C, C0106-10_LET711_D, C0106-11_LET712_A, C0106-11_LET712_C, C0106-11_LET712_D, C0106-12_LET722_C, C0106-12_LET722_D, C0106-12_LET722_E
Mehmet YesiltasKirklareli UniversityNanoscale Characterization of Ryugu Organic Matter and Variations in the Parent Body Processes.A0028, C0368
Noriyuki KawasakiHokkaido UniversityAl-Mg systematics of high-temperature minerals in RyuguC0006 (share), C0025-01 (share)
Takahito OsawaJapan Atomic Energy AgencyAccurate bulk elemental concentrations of Ryugu samples using prompt γ-ray analysisA0482
Tatsuhiko KawamotoShizuoka UniversitySearch for unknown crack-filling carbonaceous materials in bruennerite and comparison with carbonaceous matrixDeclined
Toru MatsumotoKyoto UniversityDetailed investigation of highly sodium-rich fragments in Ryugu samples.A0479, C0369, A0104-024_000_00
Toshiki KogaJapan Agency for Marine-Earth Science and TechnologyFurther Investigation of Nucleobases in Ryugu samplesA0480, C0370
Yoshio TakahashiThe University of TokyoHighly sensitive and least damaging speciation analysis for nitrogen, iron, carbon and other elements in Ryugu by scanning X-ray fluorescence microscopy (SFXM)A0477, C0289
Zelia DionnetInstitut d'Astrophysique Spatiale, Universite Paris saclay, FranceExploring secondary processes on Ryugu through 3D structuration and mineralogyA0334, A0362, C0282, C0296


Accepted proposals of the Ryugu Sample 2nd AO

Date of adoption: January 25, 2023

PI Affiliation Proposal Samples
Adrian John BrearleyUniversity of New MexicoMicro and nanostructural mineralogic, isotopic, and spectroscopic studies of Ryugu samplesA0253, A0265, A0106-001c, A0106-001c_FIB1, A0106-10_intact, A0106-11_intact, C0076-01, C0076-FO009
Akira TsuchiyamaRitsumeikan UniversityA systematic study of magnetite crystal morphologies in Ryugu samples: investigation of aqueous alteration in Ryugu parent bodyA0063-FC010_FIB001, A0067-FIB007, A0094-FIB001, C0002-FC009, C0002-FC009_CT001, C0002-P6_FIB009, C0103-FC005_FIB001, C0105-043_001_00, C0105-043_004_00, C0105-043_009_00
Ann N NguyenNASA JSCPresolar and early solar system materials preserved in Ryugu samplesA0262, C0263, A0040-C2001, C0002-C2002, C0002-C3001, C0002-C3002, C0002-C3003, C0002-C3004, A0040-C1002
Bradley T De GregorioU.S. Naval Research LaboratoryOrganic Functional Chemistry Variations of Ryugu Carbonaceous Grains and Diffuse MatterA0224, C0210, A0108-11, C0109-08
Cateline LantzInstitut d'Astrophysique SpatialeExploring space weathering on Ryugu through ion irradiationA0310, C0272, A0067-01, A0094-02
Christian VollmerUniversity of MuensterThe nano-scale functional chemistry of Ryugu organic matter investigated by low-dose high-resolution electron energy loss spectroscopyC0033-04, C0040-02
Daisuke NakashimaTohoku UniversityChondrules and CAIs in the Ryugu samples: constraints on the radial outward transport process in the solar nebulaC0005 (Share), C0224, C0260, C0040-01
Ernesto PalombaINAFPRAWNS - Primitive Asteroid Weathering: New StudiesA0226, C0242
Frank E. BrenkerGoethe University FrankfurtMagnetite-Apatite VeinsC0033-01, C0076-06, C0076-07, C0076-08, C0076-09, C0076-10, C0033-01_FIB001, C0033-01_FIB003, C0033-01_FIB005
George D CodyEarth and Planets Laboratory1H Solid State NMR of Ryugu Powder Samples: Attaining a refined molecular understanding of Insoluble Organic Matter from a C-Type AsteroidA0224, C0210
George James FlynnState Univ New York-PlattsburghMicroscale Phosphorus and Sulfur Mineralogy to Explore Fluid Chemistry During Aqueous Alteration of RyuguA0026-01, A0026-02, A0055-01, A0055-02, A0055-03
Gerardo DominguezCalifornia State University San MarcosNanoscale Coordinated Studies of Ryugu SamplesA0286, C0266
Haolan TangUniversity of Science and Technology of ChinaK isotopic anomalies constrain the MVE source of RyuguA0288, C0044
Henner BusemannETH ZurichTrapped and cosmogenic noble gases in various samples brought back by JAXA from RyuguA0274, A0292, A0295, A0298, C0221, C0233, C0236, C0239, C0275
Hideko NomuraNational Astronomical Observatory of JapanMolecular and isotopic links in organic matter from protoplanetary disks to Ryugu samplesC0227, C0245, C0257, C0269
Hope A. IshiiUniversity of Hawaii at ManoaExploration of GEMS-like material and space weathering features in Ryugu grainsA0104-029_025_01, A0104-029_025_02, A0104-029_025_03, A0104-029_025_04, A0104-029_025_05, A0104-029_025_06, A0104-029_025_07, A0104-029_025_08, A0104-029_025_09, A0104-029_025_10, A0104-029_025_11, A0104-029_025_12, A0104-029_025_13, A0104-029_025_14, C0002-P5_FIB001, C0002-P5_FIB002, C0105-033_000_00, C0105-037_000_00, C0105-039_023_00, C0105-039_023_01, C0105-039_023_02, C0105-039_023_03, C0105-039_023_04, C0105-039_023_05, C0105-039_023_06, C0105-039_023_07, C0105-039_023_08, C0105-039_023_09, C0105-039_023_10
Hugues LerouxUniv Lille, FranceFIB sections requests for further advanced microscopy analyses (Vibrational-EELS, 4D-STEM and STXM)A0058-C2001_02, C0105-034_014a_01, C0105-034_016b_01, C0105-034_016b_02, C0105-034_017_01, C0105-034_020_01, C0105-034_020_02, C0105-045_001_01, C0105-045_001_02, C0105-045_004_01, C0105-045_004_02
James GreenwoodWesleyan UniversityIsotopic studies of phosphate minerals in RyuguA0241, C0218, C0248, C0251, C0254
Jamie GilmourThe University of ManchesterHalogen and I-Xe analyses of Ryugu materialA0105-12_Pellet12, A0105-13_Pellet13, C0106-02_Pellet18
Jennika GreerUniversity of GlasgowNanoscale investigation of space weathered Ryugu grains using atom probe tomographyA0104-022_037_01, A0104-022_037_03, A0104-023_069_01, A0104-028_022_01, A0104-028_022_02, A0104-029_000_00, C0105-030_000_00, C0105-030_037_01
Jerome GattaccecaCEREGE, CNRSThe magnetic record of Ryugu's samplesC0005 (Share)
Johanna Marin CarbonneUniversity of LausanneConstraining Fluid alteration on Ryugu from the Analyses of Volatiles and their IsotopesA0058-C1001, C0002-C1001
John BridgesUniversity of LeicesterElectron Microscopy and Nanodiffraction Studies of Phyllosilicate in Ryugu and CI ChondritesA0058-C2001_08, A0104-017_006_02
Junya MatsunoRitsumeikan UniversityPorosity measurement of Ryugu particles and direct observation of pores in phyllosilicatesC0211, C0002-P6_CT001
Kazuhiko NinomiyaOsaka UniversityVerification of differences in the chemical composition of samples from chambers A and C by muon non-destructive analysis.A0229, A0232, A0250, A0271, A0277, A0280, A0283
Keita YamadaTokyo TechAnalyses of Low-Molecular-Weight Organic Compounds in Asteroid RyuguA0105-17, A0105-18, A0105-21, A0105-22
Kunihiko NishiizumiSpace Sciences Laboratory, University of California, BerkeleyStudy of exposure history of Ryugu surface-2A0221, C0212
Masaaki MiyaharaHiroshima UniversityTerrestrial weathering process at an early stage of Ryugu grainsC0105-042_000_00
Michael E ZolenskyNASA JSCMeasurement of the composition of aqueous fluids for Ryugu's parent asteroidC0025-02, C0025-02_FIB002, C0025-02_FIB003
Rhonda StroudArizona State UniversityTransmission Electron Microscopy of Presolar SiC and Mineral-Organic RelationshipsA0235, A0108-13_intact, C0109-2_intact, A0104-002_005_02
Richard John WalkerUniversity of MarylandAcquisition of Ryugu Aggregate Samples for Siderophile Element Analysis Including Os and Mo Isotopic CompositionsA0223
Sujoy MukhopadhyayUniversity of Davis CaliforniaCombined noble gas, major volatiles and chromium isotopic analyses to constrain the history of RyuguA0222, A0244, A0307, C0213 (Share)
Takaaki NoguchiKyoto UniversityA combined study of fine-grained space-weathered Ryugu grains.A0104-00, A0104-002_006_01, C0105-00
Tetsuya YokoyamaTokyo Institute of TechnologyOrigin of Cr isotopic variability in Ryugu samplesA0066, A0238, A0247, A0256, A0259, A0268, A0301, A0313
Thorsten KleineMPI for Solar System ResearchMo, Ge, and Te isotopic investigation of RyuguA0220
Tomoki NakamuraTohoku UniversityEarly history of Ryugu's parent asteroid inferred from mineralogical and isotope signaturesA0225, C0213 (Share), A0064-02, C0002-P5, C0002-P6, C0023-01, C0025-03, C0061-01, C0076-02, C0107-01
Toru NakahashiHiroshima UniversityThe estimation of shock metamorphism in Ryugu grains based on the shock experiments of CI chondriteA0304, C0230, C0055-01
Yoshiaki SugimotoUniversity of TokyoSubmolecular imaging of individual organic molecules in Ryugu samples using atomic force microscopyA0106-25_IOM_residue, A0106-S003, A0106-S004, A0106-S005, A0106-S006, C0107-S003, C0107-S004, C0107-S005, C0107-S006


Accepted proposals of the Ryugu Sample 1st AO

Date of adoption: June 17, 2022

PI Affiliation Proposal Samples
Alessandro MaturilliDLRBridging the gap - linking remote sensing, in-situ and laboratory spectroscopyA0112
Bernard MartyCNRS/Univer site de LorraineExploring the heterogeneity of noble gas and nitrogen in Ryugu samplesA0099, C0015
Cyrena Anne GoodrichLPI, USRA-HoustonRyugu and the Diversity of CI-like Materials in the Early Solar SystemC0137
Danielle Ziva ShulakerLawrence Livermore National LaboratorySnapshots of our origins: The pre-solar to post-planetary formation epoch of the Solar SystemA0208
Elena DobricaUniversity of HawaiiCoordinated micro- and nano-analyses of phyllosilicate matrices and carbonates in Ryugu samples using FIB-TEM and SIMS techniquesA0119, C0030, C0157
Emmanuel DartoisInstitut des Sciences Moleculaires d'ORSAYSubmicron combined Analysis of Ryugu samples. Comparison with micrometeorites.A0194, C0058
Francois-Regis Orthous-DaunayUniversity Grenoble AlpesSearch for multiple sources of organic molecular complexityA0210
Frank E. BrenkerGoethe University FrankfurtIn depth REE and trace element study of Ca-rich phases by means of synchrotron XRFA0186, C0070
Frank WombacherUniversitat zu Koln/GermanyElemental composition by ICP-MS: Ryugu sample heterogeneity and direct comparison to CI chondritesA0069, A0092, A0167, A0204, A0207
Hajime YanoJAXA/ISASEvaluation of Material Modification and Collection Biases for Micrometeorite Samples in the Terrestrial Environment with Indigenous Asteroidal SamplesA0180
Hassan SabbahIRAP, Universite de Toulouse, CNRSThe origin and evolution of large carbonaceous molecules in our solar systemA0145, C0083
Hiroharu YuiTokyo University of ScienceLower frequency & fluorescence-reduced Raman scattering imaging of sulfides, phyllosilicates, carbonates, and carbons on Ryugu surfaces for their chemical states analysesA0050
Hitesh G ChangelaJIPC, Czech Academy of SciencesInvestigating the Evolution of Macromolecular Organic Material from Asteroid 162173 RyuguA0083
Imene KerraouchInstitut fur Planetologie, University of Munster/ NASA JSCResearch on C1-related material: Ryugu samples in comparison to C1 extraterrestrial lithologies.A0008
Jerome AleonIMPMC, MNHN, CNRSRyugu's insights on the origin of water in planetary materialsA0117
Jerome GattaccecaCEREGE, CNRSA wide magnetic survey of Ryugu samplesA0154
Jose Carlos AponteNASA, Goddard Space Flight CenterCharacterization of cyanide in Ryugu: A deadly precursor of life on EarthA0124, A0140, A0147
Joseph L KirschvinkCaltech, USA/ Kochi University, JapanA search for magnetic monopoles using the unique opportunities provided by the returned samples from asteroid RyuguC0085
Kentaro TeradaOsaka UniversityIn-situ analysis of U-Th-Pb systematics of Ryugu apatite: Chronological search for traces of subsequent alterationA0141, C0161
Ko HashizumeIbaraki UniversityVolatile evolution in primitive asteroid Ryugu deciphered from in-grain multi-volatile distribution studies including nitrogen isotopeA0032, A0114, C0080
Kunihiko NishiizumiSSL, University of California, BerkeleyStudy of exposure history of Ryugu surfaceA0130, C0012, C0162, C0182
Larry R NittlerCarnegie Institution of WashingtonNanoSIMS isotopic characterization of presolar and organic materials in RyuguA0079, A0169
Lydie BONALIPAG (Grenoble, France)Investigation of the N-bearing materials in Hayabusa2 samplesC0050, C0052
Maitrayee BoseArizona State UniversityCharacterization of Organosulfurs to Constrain the Thermal and Chemical History of RyuguA0070, A0093, C0200
Marco FerrariInstitute for Space Astrophysics and PlanetologyInvestigating the ammonium-bearing phase in Ryugu samples and tracing the evolution process of C-type asteroidsA0198, C0091
Mehmet YesiltasKirklareli UniversityNanoscale Characterization of Organic Matter and Mineral Species in Hayabusa2 SamplesA0030, C0034
Michelle ThompsonPurdue UniversityUnderstanding Space Weathering of Samples from Asteroid RyuguA0152, C0178
Nicholas Erik TimmsCurtin UniversityWhere does mineralogical and isotopic heterogeneity of Ryugu samples meet monotonic solar chemistry?A0136, C0130
Queenie ChanRoyal Holloway University of LondonWater and organics of RyuguA0009, C0011
Rosario BrunettoIAS, CNRS, Universite Paris-SaclayEvolution processes of Ryugu, from aqueous alteration to space weatheringA0159
Scott Alan SandfordNASA Ames Research CenterInfrared Spectral Mapping Study of Organics in Ryugu SamplesA0188
Seiji SugitaUniversity of TokyoMicroscopic optical spectrophotometric mapping of Ryugu samples and comparison with composition distribution and space weathering experimentsC0179
Takaaki NoguchiKyoto UniversityA combined study of space weathering of the asteroid RyuguC0059, C0069
Takahito OsawaJapan Atomic Energy AgencyPrecise determination of elemental composition for asteroid Ryugu using prompt gamma-ray analysisA0123, C0119
Takashi MikouchiUniversity of TokyoMineralogy of Ryugu samples: Tracking progressive alteration processesC0032
Tom ZegaUniversity of ArizonaConstraining the Origins of Ryugu Sulfides Through Micro to Atomic-Scale Analysis of Hayabusa2 ParticlesA0016
Toru MatsumotoKyoto UniversityInvestigation of the space weathering features of asteroid Ryugu and its parent bodyA0142, C0067, C0071
Trevor R IrelandUniversity of QueenslandA volatile history of RyuguA0175, C0043
Wataru FujiyaIbaraki UniversityThermal history and internal structure of the Ryugu parent body constrained from petrological observation, isotope compositions, ages, and theoretical modellingA0203, C0022, C0192
Yoshio TakahashiUniversity of TokyoSpeciation of nitrogen, iron, and carbon by X-ray spectroscopy to reveal the origin and evolution of asteroid RyuguC0120