Shingo Kameda
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View article: <scp>JAXA</scp> curation for Bennu samples returned by the <scp>NASA</scp> 's <scp>OSIRIS</scp> ‐ <scp>REx</scp> mission
<span>JAXA</span> curation for Bennu samples returned by the <span>NASA</span> 's <span>OSIRIS</span> ‐ <span>REx</span> mission Open
NASA's OSIRIS‐REx mission successfully collected and returned ~121.6 g of bulk samples from the B‐type, near‐Earth asteroid (101955) Bennu to Earth in September 2023. Upon returning to Earth, the samples were transported to the NASA Johnso…
View article: Observation of Diffuse Galactic Light Near the Galactic Center with ONC-T on Board Hayabusa2
Observation of Diffuse Galactic Light Near the Galactic Center with ONC-T on Board Hayabusa2 Open
Diffuse Galactic light (DGL) is starlight scattered by interstellar dust. In visible wavelengths, earlier studies observed DGL toward regions of low optical depth in high Galactic latitude, and show marginal consistency with a theoretical …
Conceptual design study of Far UV IFS and HRS on HWO for exoplanets and solar system bodies Open
Earth-like planets have been detected in the habitable zone of low-mass stars. However, transit spectroscopy requires extremely high precision to observe the thin layer of lower atmosphere of a small terrestrial planet, and at present no a…
View article: Exoplanet Atmospheric Escape Observations with the Habitable Worlds Observatory
Exoplanet Atmospheric Escape Observations with the Habitable Worlds Observatory Open
The Decadal Survey on Astronomy and Astrophysics 2020 highlights the importance of advancing research focused on discovering and characterizing habitable worlds. In line with this priority, our goal is to investigate how planetary systems …
Results from Hisaki and prospects for LAPYUTA observations of the Jupiter System Open
Remote sensing with ultraviolet wavelength (UV) are one of powerful probes to uncover dynamic behaviors of the planetary environment. The Hisaki satellite was an earth orbiting extreme ultraviolet (EUV) spectroscope dedicated for observing…
View article: A case-control study to elucidate factors contributing to the inability to stand in cattle with enzootic bovine leukosis based on postslaughter inspections
A case-control study to elucidate factors contributing to the inability to stand in cattle with enzootic bovine leukosis based on postslaughter inspections Open
Enzootic bovine leukosis (EBL) can significantly impact herd productivity. This study aimed to elucidate the factors contributing to the inability of cattle with EBL to stand. A total of 82 cattle with EBL were analyzed, with 40.2% exhibit…
LOROS: Laboratory Simulations of the Optical RadiOmeter composed of CHromatic Imagers (OROCHI) Experiment of the Martian Moons eXploration (MMX) Mission Open
The Laboratory OROCHI Simulator (LOROS) is an emulator of the Optical RadiOmeter composed of CHromatic Imagers (OROCHI), a multispectral and multiview imaging system for the Japan Aerospace Exploration Agency (JAXA) Martian Moons eXplorati…
View article: Spectro-photometry of Phobos simulants: II. Effects of porosity
Spectro-photometry of Phobos simulants: II. Effects of porosity Open
Surface porosity has been found to be an important property for small bodies. Some asteroids and comets can exhibit an extremely high surface porosity in the first millimeter layer. This layer may be produced by various processes and maint…
View article: Spectro-photometry of Phobos simulants
Spectro-photometry of Phobos simulants Open
International audience
View article: Active Boulder Falls on Asteroid Ryugu
Active Boulder Falls on Asteroid Ryugu Open
Active boulder movements were observed when the Hayabusa2 spacecraft ascended from the surface of (162173) Ryugu. This study focuses on boulders that have moved over long distances (>1 m) and compares their movements with the gravitational…
View article: Study on the possibility of comet observation using ONC-W2 camera during the cruising phase of Hayabusa2
Study on the possibility of comet observation using ONC-W2 camera during the cruising phase of Hayabusa2 Open
++ 1. IntroductionThe Hayabusa2 spacecraft is currently cruising through deep space for the extended mission Hayabusa2#. The spacecraft is scheduled to flyby asteroid 2002 CC21 in 2026 and rendezvous with asteroid 1998 KY26 in 2031. Hayabu…
View article: Data for "Spectro-photometry of Phobos simulants: I. Detectability of hydrated minerals and organic bands"
Data for "Spectro-photometry of Phobos simulants: I. Detectability of hydrated minerals and organic bands" Open
Data underlying the paper: "Spectro-photometry of Phobos simulants: I. Detectability of hydrated minerals and organic bands". The dataset contains visible, near-infrared, and mid-infrared spectra of various samples, including phyllosilicat…
View article: Spectro-photometry of Phobos simulants: I. Detectability of hydrated minerals and organic bands
Spectro-photometry of Phobos simulants: I. Detectability of hydrated minerals and organic bands Open
Previous observations of Phobos and Deimos, the moons of Mars, have improved our understanding of these small bodies. However, their formation and composition remain poorly constrained. Physical and spectral properties suggest that Phobos …
Optimizing Image Compression Ratio for Generating Highly Accurate Local Digital Terrain Models: Experimental Study for Martian Moons eXploration Mission Open
Recent technological advances have significantly increased the data volume obtained from deep space exploration missions, making the downlink rate a primary limiting factor. Particularly, JAXA’s Martian Moons eXploration (MMX) mission enco…
Optimizing Image Compression Ratio for Generating Highly Accurate Local Digital Terrain Models: Experimental Study for Martian Moons eXploration Mission Open
Recent technological advances have significantly increased the data volume obtained from deep space exploration missions, making the downlink rate a primary limiting factor. Particularly, JAXA’s Martian Moons eXploration (MMX) mission enco…
View article: Imaging the End-to-End Dynamics of the Global Solar Wind-Magnetosphere Interaction
Imaging the End-to-End Dynamics of the Global Solar Wind-Magnetosphere Interaction Open
Whitepaper #369 in the Decadal Survey for Solar and Space Physics (Heliophysics) 2024-2033. Main topics: basic research. Additional topics: planetary magnetospheres; ground-based missions/projects; space-based missions/projects; system sci…
View article: Initial Result of Heliocentric Distance Dependence of Zodiacal Light Observed by Hayabusa2#
Initial Result of Heliocentric Distance Dependence of Zodiacal Light Observed by Hayabusa2# Open
The zodiacal light (ZL) is sunlight scattered by interplanetary dust (IPD) in the optical wavelengths. The spatial distribution of IPD in the Solar system may hold an important key to understanding the evolution of the Solar system and mat…
Quantifying the global solar wind-magnetosphere interaction with the Solar-Terrestrial Observer for the Response of the Magnetosphere (STORM) mission concept Open
Much of what we know about the solar wind’s interaction with the Earth’s magnetosphere has been gained from isolated in-situ measurements by single or multiple spacecraft. Based on their observations, we know that reconnection, whether on …
View article: In situ science on Phobos by the Raman spectrometer RAX on board the MMX rover
In situ science on Phobos by the Raman spectrometer RAX on board the MMX rover Open
Introduction. Understanding the origin and evolution of Phobos and Deimos is the goal of the coming Martian Moons eXploration mission (MMX) led by JAXA [1, 2, 3]. This mission will be launched in 2024 to the Martian system and return sampl…
View article: Characterization of the MASCOT landing area by Hayabusa2
Characterization of the MASCOT landing area by Hayabusa2 Open
Context. After landing on C-type asteroid Ryugu, MASCOT imaged brightly colored, submillimeter-sized inclusions in a small rock. Hayabusa2 successfully returned a sample of small particles from the surface of Ryugu, but none of these appea…
View article: Characterization of the MASCOT landing area by Hayabusa2
Characterization of the MASCOT landing area by Hayabusa2 Open
Context. After landing on C-type asteroid Ryugu, MASCOT imaged brightly colored, submillimeter-sized inclusions in a small rock. Hayabusa2 successfully returned a sample of small particles from the surface of Ryugu, but none of these appea…