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researcher

J. Chardin

23 papers hereh-index 15774 citations32 works total

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

author position
  • first author9
  • middle author13
  • last author1

Across the 23 of 23 papers where every author was matched, so the position is known.

fields
  • astro-ph.CO19
  • astro-ph.GA4

identity via Semantic Scholar / OpenAlex

activity
20122023
most citedLarge Lyman-alpha opacity fluctuations and low CMB tau in models of late reionization with large islands of neutral hydrogen extending to z<5.5

265 citations · 1.1k across the 23 of their papers we have counts for

collaborators
Showing 2017Show all

2 papers · 1 filter

astro-ph.CO2017★ 34 cited

Self-shielding of hydrogen in the IGM during the epoch of reionization

Jonathan Chardin, Girish Kulkarni, Martin G. Haehnelt

We investigate self-shielding of intergalactic hydrogen against ionizing radiation in radiative transfer simulations of cosmic reionization carefully calibrated with Lyman alpha fo…

astro-ph.CO2017★ 20 cited

A tale of seven narrow spikes and a long trough: constraining the timing of the percolation of HII bubbles at the tail-end of reionization with ULAS J1120+0641

Jonathan Chardin, Martin G. haehnelt, Sarah E. I. Bosman +1

High-signal to noise observations of the Lyα forest transmissivity in the z = 7.085 QSO ULAS J1120+0641 show seven narrow transmission spikes followed by a long 240 cMpc/h trough…

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