John Barrett

University of Concepción — Chile

Physics and Astronomy · Physical Sciences

35h-index18.0kcitations82works17.42yr avg
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Research Topics

Astrophysics and Cosmic Phenomena(48), Astrophysical Phenomena and Observations(39), Pulsars and Gravitational Waves Research(25), Radio Astronomy Observations and Technology(22), Gamma-ray bursts and supernovae(10)

Publications82 total

Probing jet base emission of M87* with the 2021 Event Horizon Telescope observations
arXiv (Cornell University)·2025Open Access
Probing jet base emission of M87* with the 2021 Event Horizon Telescope observations
Astronomy and Astrophysics·2025· 1 citedOpen Access
Spatially resolved polarization swings in the supermassive binary black hole candidate OJ 287 with first Event Horizon Telescope observations
Astronomy and Astrophysics·2025Open Access
A Bayesian approach to modelling spectrometer data chromaticity corrected using beam factors – II. Model priors and posterior odds
Monthly Notices of the Royal Astronomical Society·2025· 2 citedOpen Access
Horizon-scale variability of M87* from 2017–2021 EHT observations
Astronomy and Astrophysics·2025· 2 citedOpen Access
A general Bayesian model-validation framework based on null-test evidence ratios, with an example application to global 21-cm cosmology
Monthly Notices of the Royal Astronomical Society·2025· 3 citedOpen Access
Origin of the ring ellipticity in the black hole images of M87<sup>*</sup>
Astronomy and Astrophysics·2025Open Access
First polarization study of the M87 jet and active galactic nuclei at submillimeter wavelengths with ALMA
Astronomy and Astrophysics·2025· 5 citedOpen Access
Optimizing VGOS observations using an SNR-based scheduling approach
Earth Planets and Space·2025· 4 citedOpen Access
A multifrequency study of sub-parsec jets with the Event Horizon Telescope
Astronomy and Astrophysics·2025· 9 citedOpen Access
A multi-frequency study of sub-parsec jets with the Event Horizon Telescope
arXiv (Cornell University)·2025Open Access
The persistent shadow of the supermassive black hole of M87
Astronomy and Astrophysics·2025· 18 citedOpen Access
The putative center in NGC 1052
Astronomy and Astrophysics·2024· 8 citedOpen Access
First Very Long Baseline Interferometry Detections at 870 μm
The Astronomical Journal·2024· 19 citedOpen Access
RIS-Vis: A Novel Visualization Platform for Seismic, Geodetic, and Weather Data Relevant to Antarctic Cryosphere Science
arXiv (Cornell University)·2024Open Access
Optimizing VGOS observations using an SNR-based scheduling approach
arXiv (Cornell University)·2024· 1 citedOpen Access
First Sagittarius A* Event Horizon Telescope Results. VII. Polarization of the Ring
The Astrophysical Journal Letters·2024· 88 citedOpen Access
First Sagittarius A* Event Horizon Telescope Results. VIII. Physical Interpretation of the Polarized Ring
The Astrophysical Journal Letters·2024· 84 citedOpen Access
Ordered magnetic fields around the 3C 84 central black hole
Astronomy and Astrophysics·2024· 21 citedOpen Access
The persistent shadow of the supermassive black hole of M 87
Astronomy and Astrophysics·2024· 83 citedOpen Access
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Frequent Co-authors

Xiaopeng Cheng(55), Wu Jiang(42), Lindy Blackburn(40), Vincent L. Fish(40), Kazunori Akiyama(39), A. Alberdi(39), Keiichi Asada(39), Rebecca Azulay(39), Mislav Baloković(39), Dan Bintley(39), Katherine L. Bouman(39), Geoffrey C. Bower(39), Michael Bremer(39), Roger Brissenden(39), S. Britzen(39), Avery E. Broderick(39), Dominique Broguière(39), Thomas Bronzwaer(39), Andrew Chael(39), Shami Chatterjee(39)