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researcher

Koki Otaki

8 papers hereh-index 213 citations12 works total

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

author position
  • first author4
  • last author4

Across the 8 of 8 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA8

identity via Semantic Scholar / OpenAlex

activity
20232026
most citedFrequency of the dark matter subhalo collisions and bifurcation sequence arising formation of dwarf galaxies

10 citations · 10 across the 8 of their papers we have counts for

collaborators
Showing 2026Show all

3 papers · 1 filter

astro-ph.GA2026

From stardust to interstellar grain growth in the first galaxies: a cosmological transition in dust evolution near z ~ 8.9

Denis Burgarella, Tom J. L. C. Bakx, Raffaella Schneider +7

When and how did dust begin to shape galaxies? Motivated by the identification of an apparent redshift break in galaxy dust masses, suggesting substantially lower dust masses at $z…

astro-ph.GA2026

Grain-size evolution and rapid dust growth in high-redshift galaxies

Daisuke Toyouchi, Andrea Ferrara, Yurina Nakazato +3

We present a galaxy evolution model that incorporates grain-size evolution in a multiphase interstellar medium (ISM) to investigate dust attenuation in galaxies at z≥5. Our…

astro-ph.GA2026

Dust enrichment from core-collapse supernovae and extinction curves in the high-redshift universe

Koki Otaki, Raffaella Schneider, Simone Bianchi +4

Recent JWST observations have revealed that some galaxies at z≳7 generally exhibit relatively flat ultraviolet (UV) attenuation curves and a weak UV bump. These features…

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