You can find my papers in this ADS library or on ArXiv.
Dissertation
Here is a link to my thesis, “Simulating and Imaging Supermassive Black Hole Accretion Flows”.
EHT Collaboration Papers
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The Event Horizon Telescope Collaboration et al. “First Sagittarius A* Event Horizon Telescope Results. I–VI”. ApJL 875, 2019, 2021.
ApJL (open access) -
The Event Horizon Telescope Collaboration et al. “First M87 Event Horizon Telescope Results. I–VIII”. ApJL 875, 2019,2021.
ApJL (open access)
First Author Papers
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A Chael, S Issaound, D Pesce, M Johnson, A Ricarte, C Fromm, Y Mizuno. “Multi-frequency imaging for the next-generation Event Horizon Telescope”. Submitted to ApJ. arXiv
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A Chael, M Johnson, A Lupsasca. “Observing the inner shadow of a black hole: a direct view of the event horizon”. ApJ 918, 2021.
MNRAS | arXiv -
A Chael, R Narayan, M Johnson. “Two-temperature, Magnetically Arrested Disc simulations of the supermassive black hole in M87”. MNRAS 486, 2019.
MNRAS | arXiv -
A Chael, M Rowan, R Narayan, MD Johnson, L Sironi. “The role of electron heating physics in images and variability of the Galactic Center black hole Sagittarius A*’’. MNRAS 478, 2018.
MNRAS | arXiv -
A Chael, MD Johnson, KL Bouman, L Blackburn, K Akiyama, R Narayan. “Interferometric imaging directly with closure phases and closure amplitudes”. ApJ 857, 2018.
ApJ | arXiv -
A Chael, R Narayan, A Sadowski. “Evolving non-thermal electrons in simulations of black hole accretion”. MNRAS 470, 2017.
MNRAS | arXiv -
A Chael, MD Johnson, R Narayan, SS Doeleman, J Wardle, KL Bouman. “High-resolution linear polarimetric imaging for the Event Horizon Telescope”. ApJ 829, 2016.
ApJ | arXiv
Other Selected Papers
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S Issaoun et al. “Resolving the inner parsec of the blazar J1924-2914 with the Event Horizon Telescope.” ApJ 934, 2, 2022. ApJ | arXiv
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A Levis, P srinivasan, A Chael, R Ng, KL Bouman. “Gravitationally lensed black hole emission tomography.” IEEE Proceedings of the CVPR, 2022. CVF | ArXiv
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R Narayan, A Chael, K Chatterjee, A Ricarte, B Curd. “Jets in magnetically arrested accretion flows: geometry, power and black hole spindown”. ArXiv
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M Janssen et al. “Event Horizon Telescope observations of the jet launching and collimation in Centaurus A.” Nature Astronomy 2021 Nature Astronomy
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M Wielgus et al. “Monitoring the morphology of M87* in 2009-2017 with the Event Horizon Telescope”. ApJ 901, 67, 2020. ApJ
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M Johnson et al. “Universal interferometric signatures of a black hole’s photon ring” Science Advances 6,12, 2020. Science Advances
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S Issaoun, MD Johnson, L Blackburn, M Moscibrodzka, A Chael, H Falcke. “VLBI imaging of black holes via second moment regularization. A&A 629, 2019.
A&A | arXiv -
S Issaoun et al. “The size, shape, and scattering of Sagittarius A* at 86 GHz: first VLBI with ALMA”. ApJ 871, 2019.
ApJ | arXiv -
W Lu, C Dvorkin, A Chael. “Probing sub-GeV dark matter-baryon scattering with cosmological observables”. Phys. Rev. D 97, 2018.
Phys. Rev. D | arXiv -
KL Bouman, MD Johnson, A Dalca, A Chael, F Roelofs, SS Doeleman, W Freeman. “Reconstructing video from interferometric measurements of time-varying sources”. IEEE Transactions on Computational Imaging, 2018.
IEEE | arXiv -
MD Johnson, KL Bouman, L Blackburn, A Chael, J Rosen, H Shiokawa, F Roelofs, K Akiyama, V Fish, SS Doeleman. “Dynamical imaging with interferometry”. ApJ 850, 2018.
ApJ | arXiv -
A Sadowski, M Wielgus, R Narayan, D Abarca, J McKinney, A Chael. “Radiative, two-temperature simulations of low-luminosity black hole accretion flows in general relativity”. MNRAS 466, 2018.
MNRAS | arXiv -
K Akiyama, K Kuramochi, S Ikeda, V Fish, F Tazaki, M Honma, SS Doeleman, A Broderick, J Dexter, M Moscibrodzka, KL Bouman, A Chael, A Zaizen. “Imaging the Schwarzschild-radius-scale structure of M87 with the Event Horizon Telescope using sparse modeling”. ApJ 838, 2017.
ApJ | arXiv -
G Ortiz-Leon et al. “The intrinsic shape of Sagittarius A* at 3.5-mm wavelength”. ApJ 824, 2016.
ApJ | arXiv -
V Fish et al. “Persistent asymmetric structure of Sagittarius A* on event horizon scales”. ApJ 820, 2016.
ApJ | arXiv -
MD Johnson et al. “Resolved magnetic field structure and variability near the event horizon of Sagittarius A*”. Science 350, 2015.
Science | arXiv -
MD Johnson, A Loeb, H Shiokawa, A Chael, SS Doeleman. “Measuring the direction and angular velocity of a black hole accretion disk via lagged interferometric covariance”. ApJ 813, 2015.
ApJ | arXiv -
P Verbiest, J Weisberg, A Chael, K Lee, D Lorimer. “On pulsar distance measures and their uncertainties”. ApJ 775, 2012.
ApJ | arXiv