top of page

Science Papers & Abstracts 

Below is an ongoing list of all science papers related to the ngEHT. Relevant posters and conference abstracts are also included. For a curated list of the ngEHT's foundational papers, click here

jet image for poster.png

A jet visualized with simulated ngEHT data. Credit: Tsunetoe et al., 2025.

Title
Journal/Conference
Author(s)
Date
DOI
Near-Horizon Polarization as a Diagnostic of Black Hole Spacetime
arXiv e-prints
Y. Hou et al.
07/10/2025
10.48550/arXiv.2409.07248
Gravitational shadow and emission spectrum of thin accretion disks in a plasma medium
arXiv e-prints
K. Kobialko, D. Gal'tsov, A. Molchanov
06/24/2025
10.48550/arXiv.2505.07993
Fundamental physics opportunities with future ground-based mm/sub-mm VLBI arrays
Living Reviews in Relativity, 28(1)
D. Ayzenberg et al.
06/06/2025
10.1007/s41114-025-00057-0
Accessing a New Population of Supermassive Black Holes with Extensions to the Event Horizon Telescope
The Astrophysical Journal, 985, 41
X. A. Zhang et al.
05/13/2025
10.3847/1538-4357/adbd45
Lensing of hot spots in Kerr spacetime: An empirical relation for black hole spin estimation
arXiv e-prints
A. I. Yfantis et al.
04/24/2025
10.48550/arXiv.2504.16218
Limb-brightened Jet in M87 from Anisotropic Nonthermal Electrons
The Astrophysical Journal, 984, 35
Y. Tsunetoe et al.
04/23/2025
10.3847/1538-4357/adc37a
Jet Archaeology and Forecasting: Image Variability and Magnetic Field Configuration
The Astrophysical Journal, 983, 77
Y. Tsunetoe, R. Narayan, A. Ricarte
04/08/2025
10.3847/1538-4357/adbdcf
Forward ray tracing and hot spots in Kerr spacetime
Physical Review D, 111(6)
L. Zhou, Z. Zhong, Y. Chen, V. Cardoso
03/31/2025
10.1103/PhysRevD.111.064075
Observing naked singularities with the present and next-generation Event Horizon Telescope
Physical Review D, 111(6)
V. Deliyski, G. Gyulchev, P. Nedkova, S. Yazadjiev
03/28/2025
10.1103/PhysRevD.111.064068
First Frequency Phase Transfer from the 3 mm to the 1 mm Band on an Earth-sized Baseline
The Astronomical Journal, 169, 229
S. Issaoun et al.
03/26/2025
10.3847/1538-3881/adbb55
Jet formation studies in AGN: A search for new targets
Astronomy and Astrophysics, 695, A118
B. Boccardi et al.
03/12/2025
10.1051/0004-6361/202453138
Signatures of Black Hole Spin and Plasma Acceleration in Jet Polarimetry
The Astrophysical Journal, 981, 204
Z. Gelles, A. Chael, E. Quataert
03/10/2025
10.3847/1538-4357/adb1aa
Filling in the Gaps: Emission Modeling in the EHT - ngEHT Age
Bulletin of the American Astronomical Society, 57(2)
H. West, R. Anantua
02/28/2025
10.3847/25c2cfeb.c924491d
Multi-messenger SMBHB targets for the ngEHT
Bulletin of the American Astronomical Society, 57(2)
H. Harmon
02/28/2025
10.3847/25c2cfeb.c924491d
Observational Properties of Near-Maximal Spin Black Holes with ngEHT
Bulletin of the American Astronomical Society, 57(2)
T. Thomas, A. Ricarte, B. Prather, H. Cho
02/28/2025
10.3847/25c2cfeb.c924491d
Measurements of Precipitable Water Vapor at the Jelm Mountain site for ngEHT
Bulletin of the American Astronomical Society, 57(2)
Z. Adamji et al.
02/28/2025
10.3847/25c2cfeb.c924491d
SMBH Spin Measurement with VLBI Polarimetry and Astrometry
Bulletin of the American Astronomical Society, 57(2)
D. C. M. Palumbo
02/28/2025
10.3847/25c2cfeb.c924491d
Multimessenger Probes of Supermassive Black Hole Spin Evolution
The Astrophysical Journal, 980, 136
A. Ricarte, P. Natarajan, R. Narayan, D. C. M. Palumbo
02/07/2025
10.3847/1538-4357/ad9ea9
Enhanced Imaging of M87*: Simulations with the EHT and Extended-KVN
Journal of Korean Astronomical Society, 58(1)
I. Cho et al.
01/17/2025
10.5303/JKAS.2025.58.1.17
Demographics of black holes at $<$100 R$_{\rm g}$ scales: accretion flows, jets, and shadows
arXiv e-prints
D. G. Nair et al.
12/28/2024
10.48550/arXiv.2412.20276
Supermassive Black Hole Spin Constraints from Polarimetry in an Equatorial Disk Model
The Astrophysical Journal Letters, 978, L4
D. C. M. Palumbo
12/23/2024
10.3847/2041-8213/ad9bb4
Strong gravitational lensing effects around rotating regular black holes
Physics Letters B, 860
M. Guo et al.
12/19/2024
10.1016/j.physletb.2024.139211
Photon Ring Polarimetry with Next-generation Black Hole Imaging. I. M87*
The Astrophysical Journal, 977, 147
A. Tamar, D. C. M. Palumbo
12/10/2024
10.3847/1538-4357/ad8dd5
Evaluation of South African Candidate Sites for an Expanded Event Horizon Telescope
URSI Radio Science Letters, 6
S. Simelane et al.
10/29/2024
10.46620/24-0018
Prospects of Detecting a Jet in Sagittarius A* with Very-long-baseline Interferometry
The Astrophysical Journal, 974, 116
E. Chavez et al.
10/08/2024
10.3847/1538-4357/ad6b1f
A low-loss silicon optical diplexer for millimeter and submillimeter radio astronomy
Proceedings of SPIE, 13102
K. J. Carter et al.
08/16/2024
10.1117/12.3025396
Responsible Telescope Siting: Environment, Community, and Science
IAU General Assembly
A. Thresher, D. C. M. Palumbo
08/06/2024
The next-generation Event Horizon Telescope
IAU General Assembly
S. Doeleman et al.
08/06/2024
Prospects for the Detection of the Sgr A* Photon Ring with Next-generation Event Horizon Telescope Polarimetry
The Astrophysical Journal Letters, 970, L24
K. M. Shavelle, D. C. M Palumbo
07/19/2024
10.3847/2041-8213/ad6000
VLBI Dynamic Imaging with Deep Learning: a new imaging method for EHT and ngEHT observations
European Astronomical Society Annual Meeting
M. Foschi et al.
07/02/2024
The Next Generation Event Horizon Telescope
European Astronomical Society Annual Meeting
J. L. Gómez
07/01/2024
Site Selection and Evaluation of Submillimeter Wave Telescopes for Next-Generation Event Horizon Telescopes
Progress in Astronomy, 42(2)
Y. Cheng, R. Lu, Z. Shen, W. Yu
06/28/2024
10.3969/j.issn.1000-8349.2024.02.13
Radio Images inside Highly Magnetized Jet Funnels Based on Semianalytic GRMHD Models
The Astrophysical Journal, 969, 22
T. Ogihara, T. Kawashima, K. Ohsuga
06/25/2024
10.3847/1538-4357/ad429a
Atmospheric Limitations for High-frequency Ground-based Very Long Baseline Interferometry
The Astrophysical Journal, 968, 69
D. W. Pesce et al.
06/11/2024
10.3847/1538-4357/ad3961
Jet Precession and Supermassive Binary Black Holes
Galactic Nuclei in the Cosmological Context
S. Britzen
06/03/2024
General approach on shadow radius and photon spheres in asymptotically flat spacetimes and the impact of mass-dependent variations
Physics Letters B, 854
V. Vertogradov, A. Övgün
05/29/2024
10.1016/j.physletb.2024.138758
VLBI with AtLAST and Stations on the Ground and in Space
The Atacama Large Aperture Submillimeter Telescope (AtLAST) Conference
J. Kauffmann
05/22/2024
10.5281/zenodo.12202335
Constraining the Accretion and Jet Properties of Next Generation EHT Targets with NICER
Bulletin of the American Astronomical Society, 56(5)
N. Ford et al.
05/03/2024
10.3847/25c2cfeb.73f78358
Illuminating Black Hole Shadow with Dark Matter Annihilation
arXiv e-prints
Y. Chen et al.
05/02/2024
10.48550/arXiv.2404.16673
Satellite-based atmospheric characterization for sites of interest in millimeter and sub-millimeter astronomy
Astronomy and Astrophysics, 684, A186
L. Valeria, M. Martínez-Ledesma, R. Reeves
04/23/2024
10.1051/0004-6361/202347773
Constraining the Existence of Axion Clouds in M87* with Closure Trace Analyses
The Astrophysical Journal, 962, 121
Z. Wang, A. E. Broderick
02/13/2024
10.3847/1538-4357/ad13f4
Prospects of Imaging the Jet from Sgr A* with VLBI
Bulletin of the American Astronomical Society, 56(2)
E. Chavez et al.
02/07/2024
10.3847/25c2cfeb.5960a460
Modeling atmospheric phase corruptions in high-frequency VLBI using Gaussian processes
Bulletin of the American Astronomical Society, 56(2)
U. Rolls et al.
02/07/2024
10.3847/25c2cfeb.5960a460
Higher Order Images and Time Delays of Supermassive Black Holes
Bulletin of the American Astronomical Society, 56(2)
D. Jones et al.
02/07/2024
10.3847/25c2cfeb.5960a460
Hunting for Black Hole Photon Rings and a Spin Census of LLAGN
Bulletin of the American Astronomical Society, 56(2)
D. C. M. Palumbo
02/07/2024
10.3847/25c2cfeb.5960a460
Sub-mm spectral astrometric VLBI with the ngEHT
Proceedings of the International Astronomical Union Symposium, 18(S380)
R. Dodson, M. J. Rioja
02/07/2024
10.1017/S1743921323003058
Polarimetric Prospects for the Detection of the Sgr A* Photon Ring with the next-generation Event Horizon Telescope
Bulletin of the American Astronomical Society, 56(2)
K. Shavelle, D. C. M. Palumbo
02/07/2024
10.3847/25c2cfeb.5960a460
Future Prospects for Constraining Black Hole Spacetime: Horizon-scale Variability of Astrophysical Jets
The Astrophysical Journal, 960, 106
K. Moriyama et al.
01/04/2024
10.3847/1538-4357/ad07d4
Synchrotron Polarization Signatures of Surface Waves in Supermassive Black Hole Jets
The Astrophysical Journal Letters, 959, L3
J. Davelaar et al.
12/06/2023
10.3847/2041-8213/ad0b79
Reference Array and Design Consideration for the Next-Generation Event Horizon Telescope
Galaxies, 11(5)
S. Doeleman et al.
10/18/2023
10.3390/galaxies11050107
Imaging the ring and jet in M87 at 85 GHz with the ngEHT and ngEHT+ngVL
arXiv e-prints
C. L. Carilli, R. C. Walker, E. Murphy, B. Mason
09/22/2023
10.48550/arXiv.2309.13149
From Vision to Instrument: Creating a Next-Generation Event Horizon Telescope for a New Era of Black Hole Science
Galaxies, 11(5)
M. D. Johnson, S. Doeleman, J. L Gómez, A. E Broderick
08/22/2023
10.3390/galaxies11050092
Bayesian Inference Algorithms for Imaging and Modeling with the EHT & ngEHT
European Astronomical Society Annual Meeting
P. Tiede
07/14/2023
EHT Julia Organization: Julia Meets Black Hole Imaging
European Astronomical Society Annual Meeting
Akiyama, Kazu, Tiede, Paul, and Natarajan, Iniyan
07/14/2023
Probing Neutrino Production in Blazars by Millimeter VLBI
Galaxies, 11(4)
Y. Y. Kovalev, A. V. Plavin, A. B. Pushkarev, S. V. Troitsky
07/10/2023
10.3390/galaxies11040084
Event Horizon Explorer: Hybrid Space-Ground VLBI of Black Holes
Bulletin of the American Astronomical Society, 55(6)
P. Kurczynski et al.
07/01/2023
baas.aas.org/pub/2023n6i330p01
Using multiobjective optimization to reconstruct interferometric data. Part I
Astronomy and Astrophysics, 675, A60
H. Müller, A. Mus, A. Lobanov
06/30/2023
10.1051/0004-6361/202346207
Horizonless Spacetimes As Seen by Present and Next-generation Event Horizon Telescope Arrays
The Astrophysical Journal, 950, 117
A. Eichhorn, R. Gold, A. Held
06/15/2023
10.3847/1538-4357/accced
Key Science Goals for the Next-Generation Event Horizon Telescope
Galaxies, 11(3)
M. D. Johnson et al.
04/24/2023
10.3390/galaxies11030061
A 345-GHz Sideband-Separating Receiver Prototype With Ultra-Wide Instantaneous Bandwidth
IEEE Transactions on Terahertz Science and Technology, 13(3)
J. D. Garrett et al.
03/31/2023
10.1109/TTHZ.2023.3263626
Photon Ring Astrometry for Superradiant Clouds
Physical Review Letters, 130
Y. Chen, X. Xue, R. Brito, V. Cardoso
03/14/2023
10.1103/PhysRevLett.130.111401
Signatures of winds and jets in the environment of supermassive black holes
arXiv e-prints
B. Bandyopadhyay et al.
03/12/2023
10.48550/arXiv.2303.06650
Multifrequency Black Hole Imaging for the Next-generation Event Horizon Telescope
The Astrophysical Journal, 945, 40
A. Chael et al.
03/06/2023
10.3847/1538-4357/acb7e4
Accretion Flow Morphology in Numerical Simulations of Black Holes from the ngEHT Model Library: The Impact of Radiation Physics
Galaxies, 11(2)
K. Chatterjee et al.
02/23/2023
10.3390/galaxies11020038
The Next Generation Event Horizon Telescope Collaboration: History, Philosophy, and Culture
Galaxies, 11(1)
P. Galison et al.
02/15/2023
10.3390/galaxies11010032
Enabling Transformational ngEHT Science via the Inclusion of 86 GHz Capabilities
Galaxies, 11(1)
S. Issaoun et al.
02/10/2023
10.3390/galaxies11010028
Using Machine Learning to link black hole accretion flows with spatially resolved polarimetric observables
Monthly Notices of the Royal Astronomical Society, 520(4)
R. Qiu et al.
02/10/2023
10.1093/mnras/stad466
Polarization design considerations for the Next Generation Event Horizon Telescope
Bulletin of the American Astronomical Society, 55(2)
N. Nigam, L. Blackburn
01/31/2023
baas.aas.org/pub/2023n2i471p04
Planned upgrades on the Greenland Telescope for the Next Generation Event Horizon Telescope observations
Bulletin of the American Astronomical Society, 55(2)
N. Patel et al.
01/31/2023
baas.aas.org/pub/2023n2i305p16
Tracing Hot Spot Motion in Sagittarius A* Using the Next-Generation Event Horizon Telescope (ngEHT)
Galaxies, 11(1)
R. Emami et al.
01/29/2023
10.3390/galaxies11010023
Quantum gravity lights up spinning black holes
Journal of Cosmology and Astroparticle Physics, 2023(01)
A. Eichhorn, A. Held
01/24/2023
10.1088/1475-7516/2023/01/032
Multi-Wavelength and Multi-Messenger Studies Using the Next-Generation Event Horizon Telescope
Galaxies, 11(1)
R. Lico et al.
01/14/2023
10.3390/galaxies11010017
Event Horizon and Environs (ETHER): A Curated Database for EHT and ngEHT Targets and Science
Galaxies, 11(1)
V. Ramakrishnan et al.
01/12/2023
10.3390/galaxies11010015
The Transformational Power of Frequency Phase Transfer Methods for ngEHT
Galaxies, 11(1)
M. J. Rioja, R. Dodson, A. Yoshiharu
01/12/2023
10.3390/galaxies11010016
Prospects of GPU Tensor Core Correlation for the SMA and the ngEHT
Galaxies, 11(1)
W. Yu et al.
01/11/2023
10.3390/galaxies11010013
Probing Plasma Composition with the Next Generation Event Horizon Telescope (ngEHT)
Galaxies, 11(1)
R. Emami et al.
01/10/2023
10.3390/galaxies11010011
The ngEHT Analysis Challenges
Galaxies, 11(1)
F. Roelofs et al.
01/10/2023
10.3390/galaxies11010012
Spectral Line VLBI Studies Using the ngEHT
Galaxies, 11(1)
D. Kim, V. Fish
01/06/2023
10.3390/galaxies11010010
The Haystack Telescope as an Astronomical Instrument
Galaxies, 11(1)
J. Kauffmann et al.
01/04/2023
10.3390/galaxies11010009
The ngEHT's Role in Measuring Supermassive Black Hole Spins
Galaxies, 11(1)
A. Ricarte et al.
12/26/2022
10.3390/galaxies11010006
Evaluation of a Candidate Site in the Tibetan Plateau towards the Next Generation Event Horizon Telescope
Galaxies, 11(1)
W. Yu, R. Lu, Z. Shen, J. Weintroub
12/26/2022
10.3390/galaxies11010007
How Spatially Resolved Polarimetry Informs Black Hole Accretion Flow Models
Galaxies, 11(1)
A. Ricarte et al.
12/25/2022
10.3390/galaxies11010005
Emission Modeling in the EHT–ngEHT Age
Galaxies, 11(1)
R. Anantua et al.
12/23/2022
10.3390/galaxies11010004
The Role of the Large Millimeter Telescope in Black Hole Science with the Next-Generation Event Horizon Telescope
Galaxies, 11(1)
S. Bustamante et al.
12/21/2022
10.3390/galaxies11010002
Applications of the Source-Frequency Phase-Referencing Technique for ngEHT Observations
Galaxies, 11(1)
W. Jiang et al.
12/21/2022
10.3390/galaxies11010003
Millimeter/Submillimeter VLBI with a Next Generation Large Radio Telescope in the Atacama Desert
Galaxies, 11(1)
K. Akiyama et al.
12/20/2022
10.3390/galaxies11010001
Jets from SANE super-Eddington accretion discs: morphology, spectra, and their potential as targets for ngEHT
Monthly Notices of the Royal Astronomical Society, 519(2)
B. Curd et al.
12/19/2022
10.1093/mnras/stac3716
Progress on the Haystack Observatory Postprocessing System
Galaxies, 10(6)
D. Hoak, J. Barrett, G. Crew, V. Pfeiffer
12/17/2022
10.3390/galaxies10060119
Modeling Reconstructed Images of Jets Launched by SANE Super-Eddington Accretion Flows around SMBHs with the ngEHT
Galaxies, 10(6)
B. Curd, R. Emami, F. Roelofs, R. Anantua
12/13/2022
10.3390/galaxies10060117
Nanohertz gravitational wave astronomy during SKA era: An InPTA perspective
Journal of Astrophysics and Astronomy, 43, 98
B. C. Joshi et al.
12/08/2022
10.1007/s12036-022-09869-w
Observational Signatures of Frame Dragging in Strong Gravity
The Astrophysical Journal Letters, 941, L12
A. Ricarte et al.
12/08/2022
10.3847/2041-8213/aca087
Measuring Photon Rings with the ngEHT
Galaxies, 10(6)
P. Tiede et al.
12/06/2022
10.3390/galaxies10060111
Expectations for Horizon-Scale Supermassive Black Hole Population Studies with the ngEHT
Galaxies, 10(6)
D. W. Pesce et al.
12/02/2022
10.3390/galaxies10060109
Relativistic Signatures of Flux Eruption Events near Black Holes
Galaxies, 10(6)
Z. Gelles et al.
11/24/2022
10.3390/galaxies10060107
Toward very large baseline interferometry observations of black hole structure
Physical Review D, 106(8)
R. Carballo-Rubio, V. Cardoso, Z. Younsi
10/20/2022
10.1103/PhysRevD.106.084038
Distortions of images of Schwarzschild lensing
Physical Review D, 106(6)
K.S. Virbhadra
09/21/2022
10.1103/PhysRevD.106.064038
Birefringence tomography for axion cloud
Journal of Cosmology and Astroparticle Physics, 2022(09)
Y. Chen et al.
09/18/2022
10.1088/1475-7516/2022/09/073
210-365 GHz 90° Differential Phase Shifter for Wideband Circular Polarizer
IEEE Transactions on Terahertz Science and Technology, 12(5)
S. Masui et al.
07/18/2022
10.1109/TTHZ.2022.3191851
Peering into supermassive black holes with Earth-based and spaceborne sub-millimeter interferometry
44th COSPAR Scientific Assembly
L. Gurvits et al.
07/16/2022
The Inner Shadow of the Black Hole in M87*: A Direct View of the Event Horizon
Bulletin of the American Astronomical Society, 54(6)
A. Chael, M. Johnson, A. Lupsasca
06/29/2022
baas.aas.org/pub/2022n6i432p08
Probing Gravity and Fundamental Physics with the ngEHT
European Astronomical Society Annual Meeting
Z. Younsi
06/29/2022
The impact of multi-frequency capabilities on the performance of ngEHT
European Astronomical Society Annual Meeting
M. J. Rioja, R. Dodson
06/29/2022
Beyond the First Portraits of a Black Hole: Next-Generation Algorithms for Next-Generation Black Hole Science
European Astronomical Society Annual Meeting
K. Bouman
06/29/2022
Supermassive black holes and their cosmic context with the ngEHT
European Astronomical Society Annual Meeting
D. W. Pesce
06/29/2022
Probing radiation microphysics in M87 with the ngEHT
European Astronomical Society Annual Meeting
C. Fromm
06/29/2022
86 GHz imaging of M87 with the ngEHT and ngVLA
Bulletin of the American Astronomical Society, 54(6)
R. Aran, D. W. Pesce, F. Roelofs
06/29/2022
baas.aas.org/pub/2022n6i302p26
The Next Generation Event Horizon Telescope
European Astronomical Society Annual Meeting
L. Blackburn
06/29/2022
Photon Ring Symmetries in Simulated Linear Polarization Images of Messier 87*
The Astrophysical Journal, 929, 49
D. C. M. Palumbo, G. N. Wong
04/12/2022
10.3847/1538-4357/ac59b4
Dissecting Axions Around Supermassive Black Holes with Birefringence
Bulletin of the American Physical Society
Z. Zhou et al.
04/11/2022
Flares and their echoes can help distinguish photon rings from black holes with space-Earth very long baseline interferometry
Physical Review D, 105(6)
A. Andrianov et al.
03/22/2022
10.1103/PhysRevD.105.063015
Toward Determining the Number of Observable Supermassive Black Hole Shadows
The Astrophysical Journal, 923, 260
D. W. Pesce et al.
12/28/2021
10.3847/1538-4357/ac2eb5
Separating astrophysics and geometry in black hole images
Physical Review D, 104(12)
G. Lara, S. H. Völkel, E. Barausse
12/14/2021
10.1103/PhysRevD.104.124041
Observing the Inner Shadow of a Black Hole: A Direct View of the Event Horizon
The Astrophysical Journal, 918, 6
A. Chael, M. D. Johnson, A. Lupsasca
08/27/2021
10.3847/1538-4357/ac09ee
Relating black hole shadow to quasinormal modes for rotating black holes
Physical Review D, 103(8)
H. Yang
04/09/2021
10.1103/PhysRevD.103.084010
Evaluation of New Submillimeter VLBI Sites for the Event Horizon Telescope
The Astrophysical Journal Supplement Series, 253, 5
A. W. Raymond et al.
02/16/2021
10.3847/1538-3881/abc3c3
Event Horizon Telescope Next Steps: EHT2020s and Potential Space Extension
43rd COSPAR Scientific Assembly
K. Akiyama
01/28/2021
Black Hole Imaging: First Results and Future Vision
Bulletin of the American Astronomical Society, 53(1)
S. Doeleman
01/11/2021
baas.aas.org/pub/2021n1i221p01
Multi-frequency emission Modeling of accreted Black Hole Plasma with Semi-analytical descriptions for next generation Event Horizon Telescope (EHT) observations
Bulletin of the American Astronomical Society, 53(1)
E. I. Price
01/11/2021
baas.aas.org/pub/2021n1i524p02
The Event Horizon Telescope: Imaging a Black Hole
Bulletin of the American Astronomical Society, 52(1)
S. Doeleman
01/04/2020
Studying Black Holes on Horizon Scales with VLBI Ground Arrays
Bulletin of the American Astronomical Society, 51(7)
S. Doeleman et al.
09/30/2019
10.48550/arXiv.1909.01411
Fully General Relativistic Modeling of Magnetohydrodynamic Accretion Onto Binary Supermassive Black Holes With Polarized Radiation Transport
NASA ATP Proposal
V. Paschalidis
bottom of page