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Hiroki Hoshi

5 papers hereh-index 116 citations5 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author1
  • middle author3

Across the 4 of 5 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA5

identity via Semantic Scholar / OpenAlex

activity
20242026
collaborators
Showing 2026Show all

2 papers · 1 filter

astro-ph.GA2026

Diverse Metallicities in Protoclusters at z∼3.4 detected by Deep Learning

Yoshihiro Takeda, Nobunari Kashikawa, Kei Ito +12

We present spectroscopic follow-up observations with Subaru/MOIRCS of four protocluster candidate regions identified by the deep-learning model PCFNet. In three candidate regions,…

astro-ph.GA2026

Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). XXV. Large-scale environments of low-luminosity quasars at z∼6 traced by Lyα emitters

Junya Arita, Nobunari Kashikawa, Yoshiki Matsuoka +18

High-z quasars are believed to reside in massive dark matter haloes (DMHs), suggesting that they reside in galaxy overdense regions. However, previous observations have shown a r…

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