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researcher

S. Cha

17 papers hereh-index 5116 citations22 works total

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

author position
  • first author4
  • middle author13

Across the 17 of 17 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA12
  • astro-ph.CO4
  • astro-ph.SR1
same name
  • S. Cha — 38 papers, h 26
  • S. Cha — 3 papers, h 1
  • S. Cha — 3 papers, h 1
  • S. Cha — 2 papers, h 3
  • S. Cha — 1 paper, h 0
  • S. Cha — 1 paper, h 8

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
20242026
most citedA stellar dynamical mass measurement of an inactive black hole at redshift 2

1 citations · 3 across the 8 of their papers we have counts for

collaborators
Showing astro-ph.SRShow all

1 paper · 1 filter

astro-ph.SR2026

Candidate Microlensing Brown Dwarfs in Binary Lens Systems from the 2023--2025 Observing Seasons

Cheongho Han, Andrzej Udalski, Ian A. Bond +62

We present detailed light-curve analyses of ten binary-lens microlensing events observed during the 2023--2025 seasons and selected as candidates for hosting brown-dwarf companions…

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