activity
20052025
most citedA galaxy at a redshift z = 6.96

300 citations · 1.6k across the 77 of their papers we have counts for

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Showing astro-ph.COShow all

11 papers · 1 filter

astro-ph.CO2025

Machine learning based Photometric Redshifts for Galaxies in the North Ecliptic Pole Wide field: catalogs of spectroscopic and photometric redshifts

Taewan Kim, Jubee Sohn, Ho Seong Hwang +13

We perform an MMT/Hectospec redshift survey of the North Ecliptic Pole Wide (NEPW) field covering 5.4 square degrees, and use it to estimate the photometric redshifts for the sourc…

astro-ph.CO2023

Cosmic star-formation history and black hole accretion history inferred from the JWST mid-infrared source counts

Seong Jin Kim, Tomotsugu Goto, Chih-Teng Ling +7

With the advent of the James Webb Space Telescope (JWST), extra-galactic source count studies were conducted down to sub-microJy in the mid-infrared (MIR), which is several tens of…

astro-ph.CO2022★ 1 cited

Constraining the Hubble constant and its lower limit from the proper motion of extragalactic radio jets

Tiger Yu-Yang Hsiao, Tomotsugu Goto, Tetsuya Hashimoto +11

The Hubble constant () is a measurement to describe the expansion rate of the Universe in the current era. However, there is a discrepancy between the measurements fr…

astro-ph.CO2022★ 6 cited

On the relation between duration and energy of non-repeating fast radio bursts: census with the CHIME data

Seong Jin Kim, Tetsuya Hashimoto, Bo Han Chen +5

A correlation between the intrinsic energy and the burst duration of non-repeating fast radio bursts (FRBs) has been reported. If it exists, the correlation can be used to estimate…

astro-ph.CO2021★ 27 cited

Revealing the cosmic reionisation history with fast radio bursts in the era of Square Kilometre Array

Tetsuya Hashimoto, Tomotsugu Goto, Ting-Yi Lu +7

Revealing the cosmic reionisation history is at the frontier of extragalactic astronomy. The power spectrum of the cosmic microwave background (CMB) polarisation can be used to con…

astro-ph.CO2020

Discovery of a supercluster candidate at

Tapish Narwal, Tomotsugu Goto, Tetsuya Hashimoto +3

We report a promising candidate for a distant supercluster at z in the Dark Energy Survey Science Verification data. We examine smoothed semi-3D galaxy density maps in v…