Publications

Research Output

Refereed journal articles, conference proceedings, and manuscripts in preparation, listed in reverse chronological order. Author names in teal denote Hai N. Ngo.

Google Scholar Profile → Research Themes →

Dynamical Evidence for a Billion Solar-Mass Black Hole in the Galaxy NGC 4061 from ALMA ¹²CO(2–1) Kinematics

Dieu D. Nguyen, Long Q. T. Nguyen, Elena Gallo, Hai N. Ngo, Que T. Le, Fabio Pacucci, Tinh Q. T. Le, Tuan N. Le, Tien H. T. Ho, Sabine Thater, Huy G. Tong, and Nghi K. N. Le

The Astrophysical Journal 1005, 94 2026 Published Ultramassive BHs doi ↗

The Supermassive Black Hole in the Nearby Spiral Galaxy M81: A Robust Mass from JWST/NIRSpec Stellar Dynamics

Dieu D. Nguyen, Tuan N. Le, Michele Cappellari, Hai N. Ngo, Tinh Q. T. Le, Tien H. T. Ho, Long Q. T. Nguyen, Elena Gallo, Fan Zou, Michele Perna, Niranjan Thatte, and Miguel Pereira-Santaella

The Astrophysical Journal 1003, 98 2026 Published Nearby Galaxies doi ↗

Measuring the Central Dark Mass in NGC 4258 with JWST/NIRSpec Stellar Kinematics

Dieu D. Nguyen, Hai N. Ngo, Michele Cappellari et al.

The Astrophysical Journal 999, 97 2026 Published Nearby Galaxies doi ↗

Extending the Frontier of Spatially Resolved Supermassive Black Hole Mass Measurements to 1 < z < 2: Simulations with ELT/MICADO High-Resolution Mass Models and HARMONI Integral-Field Stellar Kinematics

Dieu D. Nguyen, Michele Cappellari, Tinh Q. T. Le, Hai N. Ngo, Elena Gallo, Niranjan Thatte, Fan Zou, Tien H. T. Ho, Tuan N. Le, Huy G. Tong, and Miguel Pereira-Santaella

Monthly Notices of the Royal Astronomical Society 546, 4 2026 Published High Redshift doi ↗

Probing the Effect of the Inner Surface-Brightness Profile of Nuclear Star Clusters on Intermediate-Mass Black Hole Mass Measurements using Mock ELT/MICADO and HARMONI Observations

Tinh Q. T. Le, Dieu D. Nguyen, Hai N. Ngo, Tien H. T. Ho, Tuan N. Le, and Long Q. T. Nguyen

Universe 12(6), 160 2026 Published IMBHs & NSCs doi ↗

Revisiting the Supermassive Black Hole Mass of NGC 7052 using High Spatial Resolution Molecular Gas Observed with ALMA

Hai N. Ngo, Dieu D. Nguyen, Tinh Q. T. Le, Khue N. H. Ho, Tien H. T. Ho, Elena Gallo, Kristina Nyland, Masatoshi Imanishi, Kouichiro Nakanishi, Que T. Le, Fabio Pacucci, and Eden Girma

The Astrophysical Journal 992, 211 2025 Published Molecular Gas Dynamics doi ↗

Detecting Intermediate-Mass Black Holes out to 20 Mpc with ELT/HARMONI: The Case of FCC 119

Hai N. Ngo, Dieu D. Nguyen, Tinh Q. T. Le, Tien H. T. Ho, Truong N. Nguyen, and Trung H. Dang

Universe 11(11), 360 2025 Published IMBHs & NSCs doi ↗

Simulating Intermediate-Mass Black Hole Mass Measurements for a Sample of Galaxies with Nuclear Star Clusters using ELT/HARMONI High Spatial Resolution Integral-Field Stellar Kinematics

Dieu D. Nguyen, Michele Cappellari, Hai N. Ngo et al.

The Astronomical Journal 2025 Published IMBHs & NSCs doi ↗

Supermassive Black Hole Mass Measurement in the Spiral Galaxy NGC 4736 using JWST/NIRSpec Stellar Kinematics

Dieu D. Nguyen, Hai N. Ngo, Tinh Q. T. Le, Alister W. Graham, Roberto Soria, Igor V. Chilingarian, Niranjan Thatte, N. T. Phuong, Thiem Hoang, Miguel Pereira-Santaella, Mark Durre, Diep N. Pham, Le Ngoc Tram, Nguyen B. Ngoc, and Ngân Lê

Astronomy & Astrophysics 698, L9 2025 Published Nearby Galaxies doi ↗

Simulating Supermassive Black Hole Mass Measurements for a Sample of Ultramassive Galaxies using ELT/HARMONI High Spatial Resolution Integral-Field Stellar Kinematics

Dieu D. Nguyen, Michele Cappellari, and Miguel Pereira-Santaella

Monthly Notices of the Royal Astronomical Society 2023 Published Ultramassive BHs doi ↗

First Detection of an Exoplanet Transit in Vietnam

Tue Nguyen-Van, Hai Ngo-Ngoc, Yuya Hirano, Yoichi Itoh, Thuy Le-Quang, An Nguyen-Khanh, Felix Wood, John Hoang, D. N. Hoang, Thierry Montmerle, and Quang Nguyen-Luong

Stars and Galaxies 6, 7 2023 Published Exoplanets doi ↗

ELT High Spatial Resolution IFS Survey of Ultramassive Galaxies: Observational Strategy and First Simulated Results on Stellar Kinematics and SMBH Mass Measurements

Hai N. Ngo, Dieu D. Nguyen, Michele Cappellari, and Miguel Pereira-Santaella

Windows on the Universe (conference proceedings) Proceeding Ultramassive BHs doi ↗

Extending Simulations of Intermediate-Mass Black Hole Mass Measurements to the Virgo Cluster using ELT/HARMONI High-Resolution Integral-Field Stellar Kinematics

Hai N. Ngo, Dieu D. Nguyen et al.

Submitted IMBHs & NSCs arXiv:2509.03364 ↗

Resolving One-Tenth of the Sphere-of-Influence Radius: The M87 Supermassive Black Hole Mass from JWST/NIRSpec Stellar Kinematics

Hai N. Ngo, Dieu D. Nguyen, Michele Cappellari et al.

In Prep. Ultramassive BHs

A High-Precision Mass Measurement of the Central Black Hole in the Massive Elliptical NGC 2513 with ALMA Molecular Gas Dynamics

Shelley-Anne Harrisberg, Sabine Thater, Dieu D. Nguyen, Alvaro Hacar, and Hai N. Ngo

In Prep. Molecular Gas Dynamics

Research Themes → Accepted Proposals → Curriculum Vitae → Research Group →