Jonathan Chardin

1.1k total citations · 1 hit paper
19 papers, 819 citations indexed

About

Jonathan Chardin is a scholar working on Astronomy and Astrophysics, Nuclear and High Energy Physics and Instrumentation. According to data from OpenAlex, Jonathan Chardin has authored 19 papers receiving a total of 819 indexed citations (citations by other indexed papers that have themselves been cited), including 19 papers in Astronomy and Astrophysics, 7 papers in Nuclear and High Energy Physics and 6 papers in Instrumentation. Recurrent topics in Jonathan Chardin's work include Galaxies: Formation, Evolution, Phenomena (16 papers), Astrophysics and Star Formation Studies (12 papers) and Astronomy and Astrophysical Research (6 papers). Jonathan Chardin is often cited by papers focused on Galaxies: Formation, Evolution, Phenomena (16 papers), Astrophysics and Star Formation Studies (12 papers) and Astronomy and Astrophysical Research (6 papers). Jonathan Chardin collaborates with scholars based in France, United Kingdom and Germany. Jonathan Chardin's co-authors include Martin G. Haehnelt, Dominique Aubert, Ewald Puchwein, Girish Kulkarni, Laura C. Keating, Sarah E. I. Bosman, Pierre Ocvirk, Joseph S. W. Lewis, Nicolas Deparis and Dominique Aubert and has published in prestigious journals such as The Astrophysical Journal, Monthly Notices of the Royal Astronomical Society and Monthly Notices of the Royal Astronomical Society Letters.

In The Last Decade

Jonathan Chardin

18 papers receiving 789 citations

Hit Papers

Large Ly α opacity fluctuations and low CMB τ in models o... 2019 2026 2021 2023 2019 50 100 150
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Large Ly α opacity fluctuations and low CMB τ in models of late reionization with large islands of neutral hydrogen extending to z < 5.5
    2019 182 citations Girish Kulkarni, Laura C. Keating et al. Monthly Notices of the Royal Astronomical Society Letters profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Jonathan Chardin France 15 755 335 188 50 43 19 819
Yuxiang Qin Australia 16 733 1.0× 352 1.1× 197 1.0× 61 1.2× 20 0.5× 40 835
Jun Koda Australia 16 790 1.0× 330 1.0× 195 1.0× 46 0.9× 11 0.3× 17 817
Anson D’Aloisio United States 17 1.2k 1.6× 474 1.4× 358 1.9× 58 1.2× 70 1.6× 37 1.3k
Khee‐Gan Lee United States 16 670 0.9× 239 0.7× 198 1.1× 17 0.3× 25 0.6× 42 717
J. Singal United States 15 673 0.9× 413 1.2× 62 0.3× 62 1.2× 32 0.7× 32 759
Prakash Gaikwad India 13 556 0.7× 241 0.7× 134 0.7× 16 0.3× 36 0.8× 27 629
Emma Ryan‐Weber Australia 22 1.6k 2.1× 428 1.3× 444 2.4× 23 0.5× 55 1.3× 58 1.7k
S. Pires France 11 457 0.6× 127 0.4× 149 0.8× 29 0.6× 116 2.7× 21 546
A. Zonca United States 6 738 1.0× 323 1.0× 106 0.6× 27 0.5× 29 0.7× 12 814
Aaron Smith United States 16 938 1.2× 260 0.8× 310 1.6× 23 0.5× 28 0.7× 54 1.1k

Countries citing papers authored by Jonathan Chardin

Since Specialization
Citations

This map shows the geographic impact of Jonathan Chardin's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Jonathan Chardin with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Jonathan Chardin more than expected).

Fields of papers citing papers by Jonathan Chardin

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jonathan Chardin. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Jonathan Chardin. The network helps show where Jonathan Chardin may publish in the future.

Co-authorship network of co-authors of Jonathan Chardin

This figure shows the co-authorship network connecting the top 25 collaborators of Jonathan Chardin. A scholar is included among the top collaborators of Jonathan Chardin based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Jonathan Chardin. Jonathan Chardin is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

19 of 19 papers shown
1.
Lewis, Joseph S. W., Pierre Ocvirk, Yohan Dubois, et al.. (2023). DUSTiER (DUST in the Epoch of Reionization): dusty galaxies in cosmological radiation-hydrodynamical simulations of the Epoch of Reionization with RAMSES-CUDATON. Monthly Notices of the Royal Astronomical Society. 519(4). 5987–6007. 14 indexed citations
2.
Kulkarni, Girish, et al.. (2021). Implications of the z > 5 Lyman-α forest for the 21-cm power spectrum from the epoch of reionization. Monthly Notices of the Royal Astronomical Society. 507(4). 4684–4696. 7 indexed citations
3.
Bolton, James S., N. A. Hatch, Martin G. Haehnelt, et al.. (2021). The detectability of strong 21 centimetre forest absorbers from the diffuse intergalactic medium in late reionisation models. Monthly Notices of the Royal Astronomical Society. 11 indexed citations
4.
Chardin, Jonathan & Paolo Bianchini. (2021). Predicting images for the dynamics of stellar clusters (π-DOC): a deep learning framework to predict mass, distance, and age of globular clusters. Monthly Notices of the Royal Astronomical Society. 504(4). 5656–5670.
5.
Gaikwad, Prakash, Michael Rauch, Martin G. Haehnelt, et al.. (2020). Probing the thermal state of the intergalactic medium at z > 5 with the transmission spikes in high-resolution  Ly α forest spectra. Monthly Notices of the Royal Astronomical Society. 494(4). 5091–5109. 98 indexed citations
6.
Lewis, Joseph S. W., Pierre Ocvirk, Jenny G. Sorce, et al.. (2020). Galactic ionizing photon budget during the epoch of reionization in the Cosmic Dawn II simulation. Monthly Notices of the Royal Astronomical Society. 496(4). 4342–4357. 35 indexed citations
7.
Keating, Laura C., Girish Kulkarni, Martin G. Haehnelt, Jonathan Chardin, & Dominique Aubert. (2020). Constraining the second half of reionization with the Ly β forest. Monthly Notices of the Royal Astronomical Society. 497(1). 906–915. 36 indexed citations
8.
Ocvirk, Pierre, Dominique Aubert, Jonathan Chardin, Nicolas Deparis, & Joseph S. W. Lewis. (2019). Impact of the reduced speed of light approximation on the post-overlap neutral hydrogen fraction in numerical simulations of the epoch of reionization. univOAK (4 institutions : Université de Strasbourg, Université de Haute Alsace, INSA Strasbourg, Bibliothèque Nationale et Universitaire de Strasbourg). 26 indexed citations
9.
Deparis, Nicolas, Dominique Aubert, Pierre Ocvirk, Jonathan Chardin, & Joseph S. W. Lewis. (2019). Impact of the reduced speed of light approximation on ionization front velocities in cosmological simulations of the epoch of reionization. Springer Link (Chiba Institute of Technology). 29 indexed citations
10.
Keating, Laura C., et al.. (2019). Long troughs in the Lyman-α forest below redshift 6 due to islands of neutral hydrogen. Monthly Notices of the Royal Astronomical Society. 491(2). 1736–1745. 123 indexed citations
11.
Kulkarni, Girish, Laura C. Keating, Martin G. Haehnelt, et al.. (2019). Large Ly α opacity fluctuations and low CMB τ in models of late reionization with large islands of neutral hydrogen extending to z < 5.5. Monthly Notices of the Royal Astronomical Society Letters. 485(1). L24–L28. 182 indexed citations breakdown →
12.
Chardin, Jonathan, Dominique Aubert, Nicolas Deparis, et al.. (2019). A deep learning model to emulate simulations of cosmic reionization. Monthly Notices of the Royal Astronomical Society. 490(1). 1055–1065. 23 indexed citations
13.
Chardin, Jonathan, Girish Kulkarni, & Martin G. Haehnelt. (2018). Self-shielding of hydrogen in the IGM during the epoch of reionization. Monthly Notices of the Royal Astronomical Society. 478(1). 1065–1076. 24 indexed citations
14.
Chardin, Jonathan, Martin G. Haehnelt, Sarah E. I. Bosman, & Ewald Puchwein. (2017). A tale of seven narrow spikes and a long trough: constraining the timing of the percolation of H ii bubbles at the tail end of reionization with ULAS J1120+0641. Monthly Notices of the Royal Astronomical Society. 473(1). 765–775. 14 indexed citations
15.
Chardin, Jonathan, Ewald Puchwein, & Martin G. Haehnelt. (2016). Large-scale opacity fluctuations in the Lyα forest: evidence for QSOs dominating the ionizing UV background atz∼ 5.5–6?. Monthly Notices of the Royal Astronomical Society. 465(3). 3429–3445. 78 indexed citations
16.
Chardin, Jonathan, Martin G. Haehnelt, Dominique Aubert, & Ewald Puchwein. (2015). Calibrating cosmological radiative transfer simulations with Ly α forest data: evidence for large spatial UV background fluctuations atz∼ 5.6–5.8 due to rare bright sources. Monthly Notices of the Royal Astronomical Society. 453(3). 2944–2965. 78 indexed citations
17.
Chardin, Jonathan, Dominique Aubert, & Pierre Ocvirk. (2014). Local reionization histories with a merger tree of the HII\n regions. Springer Link (Chiba Institute of Technology). 7 indexed citations
18.
Ocvirk, Pierre, Nicolas Gillet, Dominique Aubert, et al.. (2014). THE REIONIZATION OF GALACTIC SATELLITE POPULATIONS. The Astrophysical Journal. 794(1). 20–20. 16 indexed citations
19.
Chardin, Jonathan, Dominique Aubert, & Pierre Ocvirk. (2012). A study of simulated reionization histories with merger trees of HII regions. Springer Link (Chiba Institute of Technology). 18 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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