CC
Chi-kwan Chan
astro-ph.HEastro-ph.IMgr-qcastro-ph.GAastro-phphysics.comp-phastro-ph.SRhep-thphysics.flu-dynphysics.plasm-ph
On Valency
published · living versionsW_zj5juagt·v1 · currentpublished
The Black Hole Explorer: Motivation and Vision
with Michael D. Johnson, Kazunori Akiyama, Rebecca Baturin, Bryan Bilyeu +63
1 version
Preprints & journals
61 papers in the corpus · 2006–2026Full-polarization millimeter wavelength variability of Sagittarius A* during the 2018 EHT campaign2604.10287v1 · Ezequiel Albentosa-Ruiz, Jasmin E. Washington, Nicola Marchili et al.2026 · 1 citationAstronomy & Astrophysics 708 (2026) A179
Ring Asymmetry and Spin in M87*2601.00394v2 · Vadim Bernshteyn, Nicholas S. Conroy, Michi Baubock et al.2026 · 5 citationsApJ 1000 231 (2026)
High-Order Photon Rings around Kerr Naked Singularities2511.20756v1 · Hina Suzuki, Yosuke Mizuno, Akhil Uniyal et al.2025 · 0 citationsarXiv
A Direct Calibration Algorithm for ADC Interleaving2511.20763v1 · Chi-kwan Chan, Hina Suzuki, David Forbes et al.2025 · 0 citationsarXiv
Event Horizon Telescope Pattern Speeds in the Visibility Domain2510.08848v2 · Nicholas S. Conroy, Michi Baubock, Vedant Dhruv et al.2025 · 0 citationsNicholas S. Conroy et al 2026 ApJ 1005 71
Deep learning inference with the Event Horizon Telescope I. Calibration improvements and a comprehensive synthetic data library2506.13873v1 · M. Janssen, C.-k. Chan, J. Davelaar et al.2025 · 6 citationsA&A, 698, A60, 2025
Deep learning inference with the Event Horizon Telescope II. The Zingularity framework for Bayesian artificial neural networks2506.13875v1 · M. Janssen, C.-k. Chan, J. Davelaar et al.2025 · 6 citationsA&A, 698, A61, 2025
Deep learning inference with the Event Horizon Telescope III. Zingularity results from the 2017 observations and predictions for future array expansions2506.13877v1 · M. Janssen, C.-k. Chan, J. Davelaar et al.2025 · 8 citationsA&A, 698, A62, 2025
Origin of the ring ellipticity in the black hole images of M87*2505.10333v1 · Rohan Dahale, Ilje Cho, Kotaro Moriyama et al.2025 · 4 citationsA&A 699, A279 (2025)
Dynamical Inference from Polarized Light Curves of Sagittarius A*2504.01114v2 · Angelo Ricarte, Nicholas S. Conroy, Maciek Wielgus et al.2025 · 3 citationsarXiv
Nuclear Neural Networks: Emulating Late Burning Stages in Core Collapse Supernova Progenitors2503.00115v2 · Aldana Grichener, Mathieu Renzo, Wolfgang E. Kerzendorf et al.2025 · 6 citationsarXiv
Tracking X-ray Variability in Next Generation EHT LLAGN Targets2501.14871v2 · Nicole M. Ford, Michael Nowak, Venkatessh Ramakrishnan et al.2025 · 3 citationsApJ 981 126 (2025)
The putative center in NGC 10522501.08685v1 · Anne-Kathrin Baczko, Matthias Kadler, Eduardo Ros et al.2025 · 10 citationsA&A, 692, A205 (2024)
A multi-frequency study of sub-parsec jets with the Event Horizon Telescope2501.05518v1 · Jan Roder, Maciek Wielgus, Andrei P. Lobanov et al.2025 · 13 citationsA&A 695, A233 (2025)
Demographics of black holes at $<_{\rm g}$ scales: accretion flows, jets, and shadows2412.20276v1 · Dhanya G. Nair, Neil M. Nagar, Venkatessh Ramakrishnan et al.2024 · 2 citationsarXiv
First Very Long Baseline Interferometry Detections at 870{\mu}m2410.07453v1 · Alexander W. Raymond, Sheperd S. Doeleman, Keiichi Asada et al.2024 · 33 citationsThe Astronomical Journal, Volume 168, Issue 3, id.130, 19 pp. 2024
The 230 GHz Variability of Numerical Models of Sagittarius A* II. The Physical Origins of the Variability2408.04132v2 · Ho-Sang Chan, Chi-kwan Chan2024 · 2 citationsarXiv
Circular Polarization of Simulated Images of Black Holes2406.15653v1 · Abhishek V. Joshi, Ben S. Prather, Chi-kwan Chan et al.2024 · 10 citationsarXiv
The Black Hole Explorer: Motivation and Vision2406.12917v1 · Michael D. Johnson, Kazunori Akiyama, Rebecca Baturin et al.2024 · 91 citationsProceedings Volume 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave; 130922D (2024)on Valency
Broadband Multi-wavelength Properties of M87 during the 2018 EHT Campaign including a Very High Energy Flaring Episode2404.17623v3 · J. C. Algaba, M. Balokovic, S. Chandra et al.2024 · 35 citationsA&A 692, A140 (2024)
Metadata for the Flux Density Calibration of the April 2018 Event Horizon Telescope Data2312.03505v1 · J. Y. Koay, C. Romero-Canizales, L. D. Matthews et al.2023 · 0 citationsarXiv
The GHz Variability of Numerical Models of Sagittarius~A* I. Parameter Surveys on Varying Ion-electron Temperature Ratios Under Strongly Magnetized Conditions2311.04388v2 · Ho-Sang Chan, Chi-kwan Chan, Ben S. Prather et al.2023 · 0 citationsarXiv
Not all spacetime coordinates for general-relativistic ray tracing are created equal2310.02321v1 · Gabriele Bozzola, Chi-kwan Chan, Vasileios Paschalidis2023 · 3 citationsPRD 108, 8, 084004 (2023)
A new covariant formalism for kinetic plasma simulations in curved spacetimes2309.07231v1 · Tyler Trent, Pierre Christian, Chi-kwan Chan et al.2023 · 6 citationsarXiv
A search for pulsars around Sgr A* in the first Event Horizon Telescope dataset2308.15381v1 · Pablo Torne, Kuo Liu, Ralph P. Eatough et al.2023 · 15 citationsarXiv
The EB-correlation in Resolved Polarized Images: Connections to Astrophysics of Black Holes2305.00387v2 · Razieh Emami, Sheperd S. Doeleman, Maciek Wielgus et al.2023 · 0 citationsarXiv
Mahakala: a Python-based Modular Ray-tracing and Radiative Transfer Algorithm for Curved Space-times2304.03804v2 · Aniket Sharma (IISER-M), Lia Medeiros, Chi-kwan Chan (UArizona) et al.2023 · 4 citationsarXiv
Rotation in Event Horizon Telescope Movies2304.03826v2 · Nicholas S. Conroy, Michi Baubock, Vedant Dhruv et al.2023 · 23 citationsThe Astrophysical Journal, 951, 46 (2023)
Comparison of Polarized Radiative Transfer Codes used by the EHT Collaboration2303.12004v2 · Cora Prather, Jason Dexter, Monika Moscibrodzka et al.2023 · 24 citationsApJ, 950, 35, 2023
Shadow Geometry of Kerr Naked Singularities2302.08094v3 · Bao Nguyen, Pierre Christian, Chi-kwan Chan2023 · 17 citationsThe Astrophysical Journal, 2023, Volume 954, Number 1
The Event Horizon Telescope Image of the Quasar NRAO 5302302.04622v1 · Svetlana Jorstad, Maciek Wielgus, Rocco Lico et al.2023 · 29 citationsThe Astrophysical Journal 943:170 (2023)
Resolving the inner parsec of the blazar J1924-2914 with the Event Horizon Telescope2208.01662v1 · Sara Issaoun, Maciek Wielgus, Svetlana Jorstad et al.2022 · 48 citationsThe Astrophysical Journal 934:145 (2022)
Millimeter light curves of Sagittarius A* observed during the 2017 Event Horizon Telescope campaign2207.06829v1 · Maciek Wielgus, Nicola Marchili, Ivan Marti-Vidal et al.2022 · 112 citationsThe Astrophysical Journal Letters, 930:L19 (2022)
PATOKA: Simulating Electromagnetic Observables of Black Hole Accretion2202.11721v2 · George N. Wong, Ben S. Prather, Vedant Dhruv et al.2022 · 81 citationsarXiv
Topological Data Analysis of Black Hole Images2202.00698v2 · Pierre Christian, Chi-kwan Chan, Anthony Hsu et al.2022 · 7 citationsarXiv
The Variability of the Black-Hole Image in M87 at the Dynamical Time Scale2111.01317v1 · Kaushik Satapathy, Dimitrios Psaltis, Feryal Ozel et al.2021 · 18 citationsarXiv
Constraints on black-hole charges with the 2017 EHT observations of M87*2105.09343v1 · Prashant Kocherlakota, Luciano Rezzolla, Heino Falcke et al.2021 · 344 citationsarXiv
Ten simple rules to cultivate transdisciplinary collaboration in data science.33983959 · Sahneh, Faryad, Balk, Meghan A, Kisley, Marina et al.2021 · 17 citationsPLoS computational biology. 2021;17(5):e1008879
Brightness Asymmetry of Black Hole Images as a Probe of Observer Inclination2105.03424v1 · Lia Medeiros, Chi-Kwan Chan, Ramesh Narayan et al.2021 · 25 citationsarXiv
FANTASY: User-Friendly Symplectic Geodesic Integrator for Arbitrary Metrics with Automatic Differentiation2010.02237v4 · Pierre Christian, Chi-kwan Chan2020 · 9 citationsarXiv
Gravitational Test beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole.33064506 · Psaltis, Dimitrios, Medeiros, Lia, Christian, Pierre et al.2020 · 334 citationsPhysical review letters. 2020;125(14):141104
A Plasmoid Model for the Sgr A* Flares Observed with GRAVITY and Chandra2005.14251v1 · David Ball, Feryal Ozel, Pierre Christian et al.2020 · 43 citationsarXiv
Markov Chains for Horizons (MARCH). I. Identifying Biases in Fitting Theoretical Models to Event Horizon Telescope Observations2005.09632v1 · Dimitrios Psaltis, Feryal Ozel, Lia Medeiros et al.2020 · 9 citationsarXiv
SYMBA: An end-to-end VLBI synthetic data generation pipeline2004.01161v1 · F. Roelofs, M. Janssen, I. Natarajan et al.2020 · 35 citationsarXiv
First M87 Event Horizon Telescope Results and the Role of ALMA1910.10193v1 · Ciriaco Goddi, Geoff Crew, Violette Impellizzeri et al.2019 · 16 citationsThe Messenger, 177, 25 (2019)
The Growing Importance of a Tech Savvy Astronomy and Astrophysics Workforce1910.08376v1 · Dara Norman (NOAO), Kelle Cruz, Vandana Desai et al.2019 · 1 citationarXiv
Prospects for Wideband VLBI Correlation in the Cloud1908.03991v1 · Ajay Gill, Lindy Blackburn, Arash Roshanineshat et al.2019 · 3 citationsPublications of the Astronomical Society of the Pacific, Volume 131, Number 1006 (2019)
Astro2020: Training the Future Generation of Computational Researchers1907.04460v1 · Gurtina Besla (U. Arizona), Daniela Huppenkothen (U. Washington), Nicole Lloyd-Ronning et al.2019 · 0 citationsarXiv
The Event Horizon General Relativistic Magnetohydrodynamic Code Comparison Project1904.04923v2 · Oliver Porth, Koushik Chatterjee, Ramesh Narayan et al.2019 · 349 citationsarXiv
EHT-HOPS pipeline for millimeter VLBI data reduction1903.08832v2 · Lindy Blackburn, Chi-kwan Chan, Geoffrey B. Crew et al.2019 · 55 citationsApJ, 882, 23 (2019)
Career total: 111 works. 61 are in this corpus.Showing the 50 most recent.
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