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Callum Witten
Callum Witten
Institute of Astronomy, University of Cambridge
Verified email at cam.ac.uk
Title
Cited by
Cited by
Year
The ionizing photon production efficiency at z ∼ 6 for Lyman-alpha emitters using JEMS and MUSE
C Simmonds, S Tacchella, M Maseda, CC Williams, WM Baker, ...
Monthly Notices of the Royal Astronomical Society 523 (4), 5468-5486, 2023
352023
A lensed protocluster candidate at z= 7.66 identified in JWST observations of the galaxy cluster SMACS0723− 7327
N Laporte, A Zitrin, H Dole, G Roberts-Borsani, LJ Furtak, C Witten
Astronomy & Astrophysics 667, L3, 2022
262022
Resolving ambiguities in the inferred star formation histories of intense [O iii] emitters in the reionization Era
N Laporte, RS Ellis, CEC Witten, G Roberts-Borsani
Monthly Notices of the Royal Astronomical Society 523 (2), 3018-3024, 2023
212023
Low-mass bursty galaxies in JADES efficiently produce ionizing photons and could represent the main drivers of reionization
C Simmonds, S Tacchella, K Hainline, BD Johnson, W McClymont, ...
Monthly Notices of the Royal Astronomical Society 527 (3), 6139-6157, 2024
142024
The growth of the gargantuan black holes powering high-redshift quasars and their impact on the formation of early galaxies and protoclusters
JS Bennett, D Sijacki, T Costa, N Laporte, C Witten
Monthly Notices of the Royal Astronomical Society 527 (1), 1033-1054, 2024
82024
Evidence for a low Lyman continuum escape fraction in three massive, ultraviolet-bright galaxies at z> 7
CEC Witten, N Laporte, H Katz
The Astrophysical Journal 944 (1), 61, 2023
82023
Information content of BP/RP spectra in Gaia DR3
CEC Witten, DS Aguado, JL Sanders, V Belokurov, NW Evans, ...
Monthly Notices of the Royal Astronomical Society 516 (3), 3254-3265, 2022
82022
3D intrinsic shapes of quiescent galaxies in observations and simulations
J Zhang, S Wuyts, C Witten, CR Avery, L Hao, R Sharma, J Shen, ...
Monthly Notices of the Royal Astronomical Society 513 (4), 4814-4832, 2022
82022
GN-z11: The environment of an AGN at 10.603
J Scholtz, C Witten, N Laporte, H Ubler, M Perna, R Maiolino, S Arribas, ...
arXiv preprint arXiv:2306.09142, 2023
42023
JWST-JADES. Possible Population III signatures at z= 10.6 in the halo of GN-z11
R Maiolino, H Uebler, M Perna, J Scholtz, F D'Eugenio, C Witten, ...
arXiv preprint arXiv:2306.00953, 2023
42023
Deciphering Lyman-α emission deep into the epoch of reionization
C Witten, N Laporte, S Martin-Alvarez, D Sijacki, Y Yuan, MG Haehnelt, ...
Nature Astronomy, 1-13, 2024
22024
Nebular dominated galaxies in the early Universe with top-heavy stellar initial mass functions
AJ Cameron, H Katz, C Witten, A Saxena, N Laporte, AJ Bunker
arXiv preprint arXiv:2311.02051, 2023
12023
Confirming Population III or a Direct Collapse Black Hole in the halo of GN-z11 at z= 10.6
R Maiolino, S Arribas, A Bunker, S Carniani, S Charlot, G Cresci, M Curti, ...
JWST Proposal. Cycle 3, 5086, 2024
2024
Unveiling the nature and impact of the first population of black holes: an extensive NIRSpec-IFU survey in the first billion years
H Uebler, R Maiolino, S Arribas, JS Bennett, A Bunker, S Carniani, ...
JWST Proposal. Cycle 3, 5015, 2024
2024
Galaxy mergers can explain the unexpected hydrogen emission in the early Universe
C Witten, N Laporte
NATURE ASTRONOMY, 2024
2024
The ionising photon production efficiency at 𝑧∼ 6 for Lyman-alpha emitters using JEMS and MUSE
C Simmonds, S Tacchella, M Maseda, CC Williams, WM Baker, ...
2023
Unveiling the build-up of large scale structure in the early Universe
C Witten, WM Baker, JS Bennett, RS Ellis, N Laporte, J Scholtz, D Sijacki
JWST Proposal. Cycle 2, 4043, 2023
2023
Resolving early galaxy disks at z 8 with NIRSpec-IFS
J Scholtz, S Arribas, WM Baker, K Boyett, S Charlot, J Chevallard, M Curti, ...
JWST Proposal. Cycle 2, 2959, 2023
2023
The search for Population III stars in low-metallicity 7
H Uebler, R Maiolino, S Arribas, WM Baker, SA Baum, R Bhatawdekar, ...
JWST Proposal. Cycle 2, 2957, 2023
2023
The ionising photon production efficiency at z~ 6 for a sample of bright Lyman-alpha emitters using JEMS and MUSE
C Simmonds, S Tacchella, MV Maseda, C Williams, WM Baker, C Witten, ...
arXiv preprint arXiv:2303.07931, 2023
2023
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