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List of works by Sachiko Amari

Abundant presolar grains and primordial organics preserved in carbon-rich exogenous clasts in asteroid Ryugu

scientific article published on 14 July 2023

An ion microprobe study of corundum in the Murchison meteorite: Implications for 26A1 and 16O in the early solar system

scientific article

An unusual presolar silicon carbide grain from a supernova: implications for the production of Silicon-29 in type II supernovae ⬇️

scholarly article

Author Correction: Contribution of Ryugu-like material to Earth’s volatile inventory by Cu and Zn isotopic analysis

scientific article published on 14 March 2023

Barium isotopes in individual presolar silicon carbide grains from the Murchison meteorite

article

Boron in Presolar Silicon Carbide Grains from Supernovae ⬇️

scientific article

Carbon, nitrogen, magnesium, silicon, and titanium isotopic compositions of single interstellar silicon carbide grains from the Murchison carbonaceous chondrite

article

Carbonate record of temporal change in oxygen fugacity and gaseous species in asteroid Ryugu

scientific article published on 10 July 2023

Comprehensive analysis of nanodiamond evidence relating to the Younger Dryas Impact Hypothesis ⬇️

scholarly article

Constraining Models of Classical Nova Outbursts with the Murchison Meteorite

Constraints on Stellar Grain Formation from Presolar Graphite in the Murchison Meteorite ⬇️

scientific article published in the Astrophysical Journal

Contribution of Ryugu-like material to Earth’s volatile inventory by Cu and Zn isotopic analysis

scholarly article

Coordinated analysis of two graphite grains from the CO3.0 LAP 031117 meteorite: first identification of a CO nova graphite and a presolar iron sulfide subgrain

scientific article published on 06 July 2016

Did Nanodiamonds Rain from the Sky as Woolly Mammoths Fell in their Tracks Across North America 12,900 Years Ago? ⬇️

scholarly conference abstract

ERRATUM: “Ne ISOTOPES IN INDIVIDUAL PRESOLAR GRAPHITE GRAINS FROM THE MURCHISON METEORITE TOGETHER WITH He, C, O, Mg-Al ISOTOPIC ANALYSES AS TRACERS OF THEIR ORIGINS” (2009, ApJ, 701, 1415)

scholarly article published in The Astrophysical Journal

Erratum: Meteoritic silicon carbide: pristine material from carbon stars

scientific article published in Nature

Extinct technetium in silicon carbide stardust grains: implications for stellar nucleosynthesis.

scientific article

Extinct44Ti in Presolar Graphite and SiC: Proof of a Supernova Origin ⬇️

scientific article published in the Astrophysical Journal

Fingerprints of carbon, nitrogen, and silicon isotopes in small interstellar SiC grains from the murchison meteorite

scholarly article

Heavy Element Abundances in Presolar Silicon Carbide Grains from Low-Metallicity AGB Stars

scholarly article by Peter Hoppe et al published 2009 in Publications of the Astronomical Society of Australia

Hydrogen Isotopic Composition of Hydrous Minerals in Asteroid Ryugu

scientific article published in April 2023

Inferred initial ^26^Al/^27^Al ratios in presolar stardust grains from supernovae are higher than previously estimated ⬇️

article

Interstellar SiC with unusual isotopic compositions - Grains from a supernova? ⬇️

article

Interstellar graphite in meteorites

scientific article published in Nature

Isotopic Signatures of Supernova Nucleosynthesis in Presolar Silicon Carbide Grains of Type AB with Supersolar 14N/15N Ratios

scientific article published on 5 December 2019

Isotopic analysis of presolar graphite grains from Orgueil

scientific article published in January 2006

Isotopic compositions of C, N, O, Mg, and Si, trace element abundances, and morphologies of single circumstellar graphite grains in four density fractions from the Murchison meteorite

article

Large amounts of extinct 26AI in interstellar grains from the Murchison meteorite

scientific article published in Nature

Meteoritic Silicon Carbide Grains with Unusual S[CLC]i[/CLC]-Isotopic Compositions: Evidence for an Origin in Low-Mass, Low-Metallicity Asymptotic Giant Branch Stars ⬇️

article

Meteoritic silicon carbide: pristine material from carbon stars

scientific article published in Nature

Multi-element isotopic analyses of presolar graphite grains from Orgueil

scholarly article

NanoSIMS STUDIES OF SMALL PRESOLAR SiC GRAINS: NEW INSIGHTS INTO SUPERNOVA NUCLEOSYNTHESIS, CHEMISTRY, AND DUST FORMATION ⬇️

scholarly article

NanoSIMS isotope studies of rare types of presolar silicon carbide grains from the Murchison meteorite: Implications for supernova models and the role of 14C

scholarly article by Peter Hoppe et al published January 2018 in Geochimica et Cosmochimica Acta

NanoSIMS isotopic analysis of small presolar grains: Search for Si3N4 grains from AGB stars and Al and Ti isotopic compositions of rare presolar SiC grains

article

Ne ISOTOPES IN INDIVIDUAL PRESOLAR GRAPHITE GRAINS FROM THE MURCHISON METEORITE TOGETHER WITH He, C, O, Mg-Al ISOTOPIC ANALYSES AS TRACERS OF THEIR ORIGINS ⬇️

scientific article

Neodymium‐142 deficits and samarium neutron stratigraphy of C‐type asteroid (162173) Ryugu

scientific article published on 7 December 2023

Neon isotopes in individual presolar low-density graphite grains from the Orgueil meteorite

scholarly article

New Stellar Sources for High‐Density, Presolar Graphite Grains ⬇️

scientific article published in the Astrophysical Journal

Oxygen isotopes of anhydrous primary minerals show kinship between asteroid Ryugu and comet 81P/Wild2

scholarly article

Polytype distribution in circumstellar silicon carbide

scientific article

Presolar Grains from Novae ⬇️

Presolar Grains from the Qingzhen (EH3) Meteorite ⬇️

scientific article published in the Astrophysical Journal

Presolar Stardust in Asteroid Ryugu

scholarly article

Rare earth element abundances in presolar SiC

scholarly article

Ryugu’s nucleosynthetic heritage from the outskirts of the Solar System

scholarly article

Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites

scholarly article

Small SiC grains and a nitride grain of circumstellar origin from the Murchison meteorite: Implications for stellar evolution and nucleosynthesis

scientific article published on 01 March 1996

The Imprint of Nova Nucleosynthesis in Presolar Grains ⬇️

scientific article

The isotopic compositions and stellar sources of meteoritic graphite grains

scientific article published in Nature

Tungsten isotopic compositions in stardust SiC grains from the murchison meteorite: constraints on the s-process in the Hf-Ta-W-Re-Os region ⬇️

scientific article published in the Astrophysical Journal

Type II Supernova Matter in a Silicon Carbide Grain from the Murchison Meteorite

scientific article

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