activity
20022023
most citedThe Hyper Suprime-Cam SSP Survey: Overview and Survey Design

1.1k citations · 3.5k across the 59 of their papers we have counts for

collaborators

64 papers

astro-ph.HE2023★ 18 cited

Deciphering the unusual stellar progenitor of GRB 210704A

R. L. Becerra, E. Troja, A. M. Watson +16

GRB~210704A is a burst of intermediate duration (~s) followed by a fading afterglow and an optical excess that peaked about 7 days after the explosion. Its propert…

astro-ph.HE2022★ 13 cited

Simultaneous Radio and Optical Polarimetry of GRB 191221B Afterglow

Yuji Urata, Kenji Toma, Stefano Covino +16

Gamma-ray bursts (GRBs) are the most luminous transients in the universe and are utilized as probes of early stars, gravitational wave counterparts, and collisionless shock physics…

astro-ph.HE2021★ 4 cited

ALMA Host galaxy observation of the off-axis Gamma-Ray Burst XRF020903

Jheng-Cyun Chen, Yuji Urata, Kuiyun Huang

We investigated the radio properties of the host galaxy of X-ray flash, XRF020903, which is the best example for investigating of the off-axis origin of gamma-ray bursts(GRBs). Dus…

astro-ph.IM2021★ 2 cited

Multi-Messenger Astrophysics with THESEUS in the 2030s

Riccardo Ciolfi, Giulia Stratta, Marica Branchesi +63

Multi-messenger astrophysics is becoming a major avenue to explore the Universe, with the potential to span a vast range of redshifts. The growing synergies between different probe…

astro-ph.IM2021★ 1 cited

Exploration of the high-redshift universe enabled by THESEUS

N. R. Tanvir, E. Le Floc'h, L. Christensen +36

At peak, long-duration gamma-ray bursts are the most luminous sources of electromagnetic radiation known. Since their progenitors are massive stars, they provide a tracer of star f…

astro-ph.HE2020★ 19 cited

Orphan GRB afterglow searches with the Pan-STARRS1 COSMOS survey

Yun-Jing Huang, Yuji Urata, Kuiyun Huang +13

We present the result of a search for orphan Gamma-Ray Burst (GRB) afterglows in the Pan-STARRS1 (PS1) COSMOS survey. There is extensive theoretical and observational evidence sugg…