3 papers
astro-ph.IM2026
MPI-Rockstar: a Hybrid MPI and OpenMP Parallel Implementation of the Rockstar Halo finder
Tomoyuki Tokuue, Tomoaki Ishiyama, Ken Osato +2
MPI-Rockstar is a massively parallel halo finder based on the Rockstar phase-space temporal halo finder code, which is one of the most extensively used halo finding codes. Compared…
astro-ph.EP2026
Characteristics of natural remanence records in fine-grained particles returned from asteroid Ryugu
Masahiko Sato, Yuki Kimura, Tadahiro Hatakeyama +25
Particles collected from the asteroid Ryugu by the Hayabusa2 spacecraft offer a unique opportunity to investigate the magnetic record of the primitive solar system, as any terrestr…
astro-ph.EP2025
Demonstrating Exoplanet Transit Photometry from Space with a 15-mm Aperture Optical Navigation Camera on Hayabusa2
Koki Yumoto, Toru Kouyama, Manabu Yamada +14
Observations of exoplanet transits by small satellites have gained increasing attention for reducing detection biases. However, no unambiguous detection of an exoplanet has yet bee…