output
20152026
most citedMass Estimates of a Giant Planet in a Protoplanetary Disk from the Gap Structures

210 citations

26 papers

astro-ph.IM2026

GREX-PLUS Science Book v2

PLUS Science Team, Shunsuke Baba, Sirio Belli +52

GREX-PLUS (Galaxy Reionization EXplorer and PLanetary Universe Spectrometer) is a mission candidate for a JAXA strategic L-class mission to be launched in the 2030s. Its primary sc…

astro-ph.EP2026★ 3 cited

The first detection of an atmosphere on a trans-Neptunian object beyond Pluto

Ko Arimatsu, Fumi Yoshida, Tsutomu Hayamizu +4

Trans-Neptunian objects (TNOs) in the outer Solar System are predominantly small, icy worlds long presumed to be atmosphereless except for the largest bodies. Until now, Pluto has…

astro-ph.EP2025★ 6 cited

Discovery and dynamics of a Sedna-like object with a perihelion of 66 au

Ying-Tung Chen, Patryk Sofia Lykawka, Yukun Huang +30

Trans-Neptunian objects (TNOs) with large perihelion distances ( au) and semi-major axes ( au) provide insights into the early evolution of the solar system and th…

astro-ph.EP2024★ 7 cited

Diffraction modelling of a 2023 March 5 stellar occultation by subkilometer-sized asteroid (98943) 2001 CC21

Ko Arimatsu, Fumi Yoshida, Tsutomu Hayamizu +31

We present an analysis of a stellar occultation event caused by a near-Earth asteroid (98943) 2001 CC21, an upcoming flyby target in the Hayabusa2 extended mission, on March 5, 202…

astro-ph.EP2024★ 8 cited

A deep analysis for New Horizons' KBO search images

Fumi Yoshida, Toshifumi Yanagisawa, Takashi Ito +8

Observation datasets acquired by the Hyper Suprime-Cam (HSC) on the Subaru Telescope for NASA's New Horizons mission target search were analyzed through a method devised by JAXA. T…

astro-ph.EP2023★ 12 cited

Photometry and Polarimetry of 2010 XC: Observational Confirmation of E-type Near-Earth Asteroid Pair

Jin Beniyama, Shigeyuki Sako, Katsuhito Ohtsuka +16

Asteroid systems such as binaries and pairs are indicative of physical properties and dynamical histories of the Small Solar System Bodies. Although numerous observational and theo…