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List of works by Masahiko Arakawa

A dehydrated space-weathered skin cloaking the hydrated interior of Ryugu

scientific article published in 2023

A formation mechanism for concentric ridges in ejecta surrounding impact craters in a layer of fine glass beads

A pristine record of outer Solar System materials from asteroid Ryugu’s returned sample

scientific article published in 2022

A search for new supernova remnant shells in the Galactic plane with H.E.S.S

scientific article published in Astronomy and Astrophysics

A very-high-energy component deep in the γ-ray burst afterglow.

scientific article

An artificial impact on the asteroid (162173) Ryugu formed a crater in the gravity-dominated regime

scientific article published on 19 March 2020

Anomalously porous boulders on (162173) Ryugu as primordial materials from its parent body

scientific article published on 24 May 2021

Characterising the VHE diffuse emission in the central 200 parsecs of our Galaxy with H.E.S.S

scientific article published in Astronomy and Astrophysics

Collisional history of Ryugu’s parent body from bright surface boulders

article published in 2020

Constraining surface properties of asteroid (162173) Ryugu from numerical simulations of Hayabusa2 mission impact experiment

Constraints on particle acceleration in SS433/W50 from MAGIC and H.E.S.S. observations

scientific article published in Astronomy and Astrophysics

Constraints on the emission region of 3C 279 during strong flares in 2014 and 2015 through VHE γ -ray observations with H.E.S.S

scientific article published in July 2019

Crack propagation in thin glass plates caused by high velocity impact

article published in 2002

Crater-ray formation by impact-induced ejecta particles

scientific article

Deeper H.E.S.S. observations of Vela Junior (RX J0852.0−4622): Morphology studies and resolved spectroscopy

scientific article published in Astronomy and Astrophysics

Detection of variable VHE γ-ray emission from the extra-galactic γ-ray binary LMC P3

scientific article published in Astronomy and Astrophysics

Detection of very-high-energy γ -ray emission from the colliding wind binary η Car with H.E.S.S

scientific article published in March 2020

Dispersion and shattering strength of rocky and frozen planetesimals studied by laboratory experiments and numerical simulations

scientific article published on 05 November 2021

Effect of boulder size on ejecta velocity scaling law for cratering and its implication for formation of tiny asteroids

scientific article published in 2022

Effect of material strength and heterogeneity on small asteroid cratering events

Effects of oblique impacts on the impact strength of porous gypsum and glass spheres: Implications for the collisional disruption of planetesimals in thermal evolution

scholarly article

Experimental study on the rheological properties of polycrystalline solid nitrogen and methane: Implications for tectonic processes on Triton

First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from Ryugu

scientific article published on 18 November 2022

First compositional analysis of Ryugu samples by the MicrOmega hyperspectral microscope

scientific article published on 20 December 2021

First ground-based measurement of sub-20 GeV to 100 GeV γ-Rays from the Vela pulsar with H.E.S.S. II

scholarly article

First limits on the very-high energy gamma-ray afterglow emission of a fast radio burst ⬇️

scientific article published in Astronomy and Astrophysics

Flyer acceleration by high-power laser and impact experiments at velocities higher than 10 km/s

Flyer acceleration experiments using high-power laser

article published in 2013

Formation and evolution of carbonaceous asteroid Ryugu: Direct evidence from returned samples

scientific article published on 22 September 2022

Fragment velocity distribution in the impact disruption of thin glass plates

scientific article published on 27 October 2005

H.E.S.S. and Fermi -LAT observations of PSR B1259–63/LS 2883 during its 2014 and 2017 periastron passages

scientific article published in January 2020

H.E.S.S. and Suzaku observations of the Vela X pulsar wind nebula

scientific article published in July 2019

H.E.S.S. detection of very high-energy γ -ray emission from the quasar PKS 0736+017

scientific article published in January 2020

H.E.S.S. observations of the flaring gravitationally lensed galaxy PKS 1830–211

scientific article

HESS J1741-302: a hidden accelerator in the Galactic plane

scientific article published in Astronomy and Astrophysics

Hayabusa2 arrives at the carbonaceous asteroid 162173 Ryugu-A spinning top-shaped rubble pile

scientific article published on 19 March 2019

Hayabusa2 returned samples: A unique and pristine record of outer Solar System materials from asteroid Ryugu

scientific article published on 28 January 2022

Hayabusa2's kinetic impact experiment: Operational planning and results

Highly porous nature of a primitive asteroid revealed by thermal imaging

scientific article published on 16 March 2020

IMPACT EXPERIMENTS WITH PROJECTILES AT VELOCITIES HIGHER THAN 10 KM∕S

article

Impact Experiment on Asteroid (162173) Ryugu: Structure beneath the Impact Point Revealed by In Situ Observations of the Ejecta Curtain

scientific article

Impact cratering of granular mixture targets made of H2O Ice–CO2 Ice–pyrophylite ⬇️

scholarly article

Impacts may provide heat for aqueous alteration and organic solid formation on asteroid parent bodies

scholarly article

Impairment of suckling response, trigeminal neuronal pattern formation, and hippocampal LTD in NMDA receptor epsilon 2 subunit mutant mice

scientific journal article

Laboratory experiments on crater scaling-law for sedimentary rocks in the strength regime

scholarly article

Laboratory measurements of infrared absorption spectra of hydrogen-ordered ice: a step to the exploration of ice XI in space

scientific article (publication date: 29 September 2009)

Low-velocity impact experiments of porous ice balls simulating Saturn's ring particles: Porosity dependence of restitution coefficients and the mechanism of inelastic collision

scholarly article published in March 2024

Macromolecular organic matter in samples of the asteroid (162173) Ryugu

scholarly article

Measurement of the EBL spectral energy distribution using the VHE γ-ray spectra of H.E.S.S. blazars

scientific article published in Astronomy and Astrophysics

Measurements of restitution coefficients of ice at low temperatures ⬇️

scholarly article

Measurements of seismic waves induced by high-velocity impacts: Implications for seismic shaking surrounding impact craters on asteroids ⬇️

scholarly article

Mission Status of Hayabusa2, Science Highlights, and Outlook for Sample Analyses

scientific article

Molecular diversity of the NMDA receptor channel

scientific article published on July 2, 1992

Noble gases and nitrogen in samples of asteroid Ryugu record its volatile sources and recent surface evolution

scientific article published on 24 February 2023

Particle transport within the pulsar wind nebula HESS J1825–137

scholarly article

Pebbles and sand on asteroid (162173) Ryugu: In situ observation and particles returned to Earth

scientific article published on 4 March 2022

Performance of Hayabusa2 DCAM3-D Camera for Short-Range Imaging of SCI and Ejecta Curtain Generated from the Artificial Impact Crater Formed on Asteroid 162137 Ryugu (1999 JU 3 $\mbox{JU}_{3}$ )

scientific article

Population study of Galactic supernova remnants at very high γ-ray energies with H.E.S.S

scientific article published in Astronomy and Astrophysics

Preliminary analysis of the Hayabusa2 samples returned from C-type asteroid Ryugu

scientific article published on 20 December 2021

Rapid growth of asteroids owing to very sticky interstellar organic grains ⬇️

scholarly article

Recovery of entire shocked samples in a range of pressure from ~100 GPa to Hugoniot elastic limit

scholarly article

Results of medical treatment for gastric ulcers, especially on healing rate and relapses rate

scholarly article published in September 1966

Resurfacing processes on asteroid (162173) Ryugu caused by an artificial impact of Hayabusa2's Small Carry-on Impactor

scientific article published in September 2021

Sample collection from asteroid (162173) Ryugu by Hayabusa2: Implications for surface evolution

scientific article published on 01 May 2020

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

scholarly article

Scientific Objectives of Small Carry-on Impactor (SCI) and Deployable Camera 3 Digital (DCAM3-D): Observation of an Ejecta Curtain and a Crater Formed on the Surface of Ryugu by an Artificial High-Velocity Impact

scientific article

Search for γ -Ray Line Signals from Dark Matter Annihilations in the Inner Galactic Halo from 10 Years of Observations with H.E.S.S

scientific article published in Physical Review Letters

Searches for gamma-ray lines and ‘pure WIMP’ spectra from Dark Matter annihilations in dwarf galaxies with H.E.S.S

Silicate dust size distribution from hypervelocity collisions: implications for dust production in debris disks ⬇️

Site selection for the Hayabusa2 artificial cratering and subsurface material sampling on Ryugu

scientific article published in 2022

Size of particles ejected from an artificial impact crater on asteroid 162173 Ryugu

scientific article

Soluble organic molecules in samples of the carbonaceous asteroid (162173) Ryugu

Systematic search for very-high-energy gamma-ray emission from bow shocks of runaway stars

scientific article published in Astronomy and Astrophysics

TeV Gamma-Ray Observations of the Binary Neutron Star Merger GW170817 with H.E.S.S ⬇️

scholarly article

The 2014 TeV γ-Ray Flare of Mrk 501 Seen with H.E.S.S.: Temporal and Spectral Constraints on Lorentz Invariance Violation

scientific article

The ESA Hera Mission: Detailed Characterization of the DART Impact Outcome and of the Binary Asteroid (65803) Didymos

scientific article published in 2022

The H.E.S.S. Galactic plane survey

scientific article published in Astronomy and Astrophysics

The Small Carry-on Impactor (SCI) and the Hayabusa2 Impact Experiment

scientific article

The effect of "MASCONS" Sphere Packing onto the Dynamical Environment around Rubble-Pile Asteroids: Application to Ryugu

The starburst galaxy NGC 253 revisited by H.E.S.S. and Fermi-LAT

scientific article

The γ-ray spectrum of the core of Centaurus A as observed with H.E.S.S. and Fermi-LAT

scientific article

Thermally altered subsurface material of asteroid (162173) Ryugu

scientific article

Upper limits on very-high-energy gamma-ray emission from core-collapse supernovae observed with H.E.S.S

scientific article

VHE γ-ray discovery and multi-wavelength study of the blazar 1ES 2322-409

scholarly article

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