activity
20102025
most citedKilonova from post-merger ejecta as an optical and near-infrared counterpart of GW170817

340 citations · 1.4k across the 54 of their papers we have counts for

collaborators
Showing astro-ph.IMShow all

8 papers · 1 filter

astro-ph.IM2024★ 2 cited

JASMINE image simulator for high-precision astrometry and photometry

Takafumi Kamizuka, Hajime Kawahara, Ryou Ohsawa +23

JASMINE is a Japanese planned space mission that aims to reveal the formation history of our Galaxy and discover habitable exoEarths. For these objectives, the JASMINE satellite pe…

astro-ph.IM2023★ 1 cited

JASMINE: Near-Infrared Astrometry and Time Series Photometry Science

Daisuke Kawata, Hajime Kawahara, Naoteru Gouda +86

Japan Astrometry Satellite Mission for INfrared Exploration (JASMINE) is a planned M-class science space mission by the Institute of Space and Astronautical Science, the Japan Aero…

astro-ph.IM2022★ 7 cited

Deep-learning Real/Bogus classification for the Tomo-e Gozen transient survey

Ichiro Takahashi, Ryo Hamasaki, Naonori Ueda +5

We present a deep neural network Real/Bogus classifier that improves classification performance in the Tomo-e Gozen transient survey by handling label errors in the training data.…

astro-ph.IM2021

Development of a Tracklet Extraction Engine

Ryou Ohsawa

An efficient algorithm is required to extract moving objects (asteroids, satellites, and space debris) from enormous data with advances in observational instruments. We have develo…

astro-ph.IM2019★ 12 cited

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…

astro-ph.IM2018★ 7 cited

"Slow-Scanning" in Ground-Based Mid-Infrared Observation

Ryou Ohsawa, Shigeyuki Sako, Takashi Miyata +8

Chopping observations with a tip-tilt secondary mirror have conventionally been used in ground-based mid-infrared observations. However, it is not practical for next generation lar…