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Callum Witten

3 papers here

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

author position
  • first author1
  • middle author1
  • last author1

Across the 3 of 3 papers where every author was matched, so the position is known.

fields
  • astro-ph.GA3
ORCID 0000-0002-1369-6452

identity via Semantic Scholar / OpenAlex

most citedA lensed protocluster candidate at z=7.66 identified in JWST observations of the galaxy cluster SMACS0723-7327

46 citations · 65 across the 3 of their papers we have counts for

collaborators

3 papers

astro-ph.GA2023★ 3 cited

Low-mass bursty galaxies in JADES efficiently produce ionising photons and could represent the main drivers of reionisation

C. Simmonds, S. Tacchella, K. Hainline +21

We study galaxies in JADES Deep to study the evolution of the ionising photon production efficiency, ξion​, observed to increase with redshift. We estimate ξion​…

astro-ph.GA2023★ 16 cited

Evidence for a low Lyman Continuum Escape fraction in three Massive, UV-bright galaxies at z > 7

Callum Witten, Nicolas Laporte, Harley Katz

Although low-mass star-forming galaxies are the leading candidates of the reionisation process, we cannot conclusively rule out high-mass star-forming galaxies as candidates. While…

astro-ph.GA2022★ 46 cited

A lensed protocluster candidate at z=7.66 identified in JWST observations of the galaxy cluster SMACS0723-7327

N. Laporte, A. Zitrin, H. Dole +3

According to the current paradigm of galaxy formation, the first galaxies have been likely formed within large dark matter haloes. The fragmentation of these massive haloes led to…

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