39 citations
- Meteorological Research Institute17 papers
- Kobe UniversityJP7 papers
- Kyoto UniversityJP6 papers
- National Astronomical Observatory of JapanJP6 papers
- The University of TokyoJP5 papers
- Tohoku UniversityJP5 papers
- Kyoto Sangyo UniversityJP4 papers
- Japan Spaceguard AssociationJP3 papers
- Kavli Institute for the Physics and Mathematics of the UniverseJP3 papers
- Konan UniversityJP3 papers
- Kyushu UniversityJP3 papers
- RIKEN Center for Computational ScienceJP3 papers
8 papers · 1 filter
Spectroscopic diagnostic of halos and elves detected from space-based photometers
F. J. Pérez-Invernón, A. Luque, F. J. Gordillo-Vázquez +4
In this work, we develop two spectroscopic diagnostic methods to derive the peak reduced electric field in Transient Luminous Events (TLEs) from their optical signals. These method…
An optical search for transients lasting a few seconds
Michael W. Richmond, Masaomi Tanaka, Tomoki Morokuma +37
Using a prototype of the Tomo-e Gozen wide-field CMOS mosaic camera, we acquire wide-field optical images at a cadence of 2 Hz and search them for transient sources of duration 1.5…
New constraint on the atmosphere of (50000) Quaoar from a stellar occultation
Ko Arimatsu, Ryou Ohsawa, George L. Hashimoto +35
We report observations of a stellar occultation by the classical Kuiper belt object (50000) Quaoar occurred on 28 June 2019. A single-chord high-cadence (2 Hz) photometry dataset w…
A Fireball and Potentially Hazardous Binary Near-Earth Asteroid (164121) 2003 YT
Toshihiro Kasuga, Mikiya Sato, Masayoshi Ueda +3
We present a fireball detected in the night sky over Kyoto, Japan on UT 2017 April 28 at by the SonotaCo Network. The absolute visual magnitude is $M…
Machine learning accelerates parameter optimization and uncertainty assessment of a land surface model
Yohei Sawada
The performance of land surface models (LSMs) significantly affects the understanding of atmospheric and related processes. Many of the LSMs' soil and vegetation parameters were un…
Elimination of spectral blocking by ensuring rotation-free property of discretised pressure gradient within a spectral semi-implicit semi-Lagrangian global atmospheric model
Masashi Ujiie, Daisuke Hotta
The widely-adopted discretisation of the horizontal pressure gradient term formulated by Simmons and Burridge (1981) for atmospheric models on - hybrid vertical coordinate is…