activity
19942022
most citedA Comprehensive Measurement of the Local Value of the Hubble Constant with 1 km/s/Mpc Uncertainty from the Hubble Space Telescope and the SH0ES Team

2.3k citations · 11.6k across the 140 of their papers we have counts for

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Showing 2007Show all

2 papers · 1 filter

astro-ph2007★ 27 cited

Testing the External Shock Model of Gamma-Ray Bursts using the Late-Time Simultaneous Optical and X-ray Afterglows

Yuji Urata, Ryo Yamazaki, Takanori Sakamoto +21

We study the ``normal'' decay phase of the X-ray afterglows of gamma-ray bursts (GRBs), which follows the shallow decay phase, using the events simultaneously observed in the R-ban…

astro-ph2007★ 10 cited

A multi band study of the optically dark GRB 051028

Yuji Urata, Kui-Yun Huang, Ping-Hung Kuo +16

Observations were made of the optical afterglow of GRB 051028 with the Lulin observatory's 1.0 m telescope and the WIDGET robotic telescope system. R band photometric data points w…