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Yutaka Hirai

13 papers hereh-index 433 citations15 works total

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

author position
  • first author3
  • middle author7
  • last author3

Across the 13 of 13 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA12
  • astro-ph.SR1
same name
  • Yutaka Hirai — 4 papers, h 1
  • Yutaka Hirai — 2 papers, h 2
  • Yutaka Hirai — 1 paper, h 2

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20232026
most citedCandidate Members of the VMP/EMP Disk System of the Galaxy from the SkyMapper and SAGES Surveys

19 citations · 25 across the 11 of their papers we have counts for

collaborators
Showing astro-ph.SRShow all

1 paper · 1 filter

astro-ph.SR2025

A New Subclass of Carbon-Enhanced Metal-Poor Stars at Extremely Low Metallicity

Young Sun Lee, Timothy C. Beers, Yutaka Hirai +4

We report the discovery of a new subclass of carbon-enhanced metal-poor (CEMP) stars, characterized by high absolute carbon abundances (A(C) > 7.39) and extremely low metallicity (…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.