JWST and Keck observations of the off-nuclear tidal disruption event TDE 2025abcr: An evolving reprocessing layer
Patra, K. C., Liepold, E. R., Earl, Nicholas, et al. 2026 preprint arXiv:2604.16093
CV
Download here (Last updated, 2024-12-19)
Education
- Ph.D in Physics, UC Berkeley, 2023
- M.A. in Physics, UC Berkeley, 2019
- B.A. in Physics, specialization in Astronomy and Astrophysics, University of Chicago, 2016
Research Positions
- Postdoctoral Researcher, Department of Astronomy, UC Berkeley, October 2023 - Present
- Graduate Student Researcher, Department of Astronomy, UC Berkeley, April 2018 - August 2024
- Post-Baccalaureate Researcher, James Franck Institute and MRSEC, University of Chicago, June 2016 - August 2017
- Undergraduate Researcher, James Franck Institute, University of Chicago, March 2015 - June 2016
Publications
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Mapping the Stellar Kinematics in the Central 240 Parsecs of M87 with the James Webb Space Telescope
Al-Amri, R. M., Walsh, J. L.,Liepold, E. R., et al. 2026, Astrophys. J., 999, 238.
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The MASSIVE Survey. XX. A Triaxial Stellar Dynamical Measurement of the Supermassive Black Hole Mass and Intrinsic Galaxy Shape of Giant Radio Galaxy NGC 315
Pilawa, J. D., Liepold, E. R., Ma, C.-P., et al. 2025, Astrophys. J., 989, 98.
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A 22 Billion Solar Mass Black Hole in Holmberg 15A with Keck KCWI Spectroscopy and Triaxial Orbit Modeling
Liepold, E. R., Ma, C.-P., Walsh, J. L. 2025, Astrophys. J., 980, 58.
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Big Galaxies and Big Black Holes: The Massive Ends of the Local Stellar and Black Hole Mass Functions and the Implications for Nanohertz Gravitational Waves
Liepold, E. R. & Ma, C.-P. 2024, Astrophys. J. Lett., 971 L29.
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TriOS Schwarzschild Orbit Modeling: Robustness of Parameter Inference for Masses and Shapes of Triaxial Galaxies with Supermassive Black Holes
Pilawa, J., Liepold, E. R., Ma, C.-P. 2024, Astrophys. J., 966, 205.
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Realizing the Full Potential: Detecting and Measuring Supermassive Black Holes in Triaxial Galaxies
Liepold, E. R. 2023. Order No. 30633852, University of California, Berkeley.
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Keck Integral-Field Spectroscopy of M87 Reveals an Intrinsically Triaxial Galaxy and a Revised Black Hole Mass
Liepold, E. R., Ma, C.-P., Walsh, J. L. 2023, Astrophys. J. Lett., 945 L35.
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The MASSIVE Survey. XVII. A Triaxial Orbit-based Determination of the Black Hole Mass and Intrinsic Shape of Elliptical Galaxy NGC 2693
Pilawa, J. D., Liepold, E. R., Delgado Andrade, S. C., et al. 2022, Astrophys. J., 928, 178.
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Triaxial Orbit-based Dynamical Modeling of Galaxies with Supermassive Black Holes and an Application to Massive Elliptical Galaxy NGC 1453
Quenneville, M. E., Liepold, E. R., & Ma, C.-P. 2022, Astrophys. J., 926, 30.
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Dynamical Modeling of Galaxies and Supermassive Black Holes: Axisymmetry in Triaxial Schwarzschild Orbit Superposition Models
Quenneville, M. E., Liepold, E. R., Ma, C.-P. 2021, Astrophys. J. Suppl. Ser., 254, 25.
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The MASSIVE Survey. XV. A Stellar Dynamical Mass Measurement of the Supermassive Black Hole in Massive Elliptical Galaxy NGC 1453
Liepold, E. R., Quenneville, M. E., Ma, C.-P., et al. 2020, Astrophys. J., 891, 4.
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Pair and many-body interactions between ligated Au nanoparticles
Liepold, E. R., Smith, A., Lin, B., de Pablo, J., & Rice, S. A. 2019, J. Chem. Phys. 150, 044904.
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Transient Structured Fluctuations in a Two-dimensional System with Multiple Ordered Phases
Krebs, Z., Roitman, A. B., Nowack, L.N., Liepold, E. R., Lin, B., & Rice, S. A. 2018, J. Chem. Phys. 149, 034503.
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A comment on the position dependent diffusion coefficient representation of structural heterogeneity
Wolfson, M., Liepold, E. R., Lin, B., & Rice, S. A. 2018, J. Chem. Phys. 148, 194901.
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Colloid-colloid hydrodynamic interaction around a bend in a quasi-one-dimensional channel
Liepold, E. R., Zarcone, R., Heumann, T., Rice, S. A., & Lin, B. 2017, Phys. Rev. E 96, 012606.
Talks
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Big Galaxies and Big Black Holes and Nanohertz Gravitational Waves and Even Bigger Black Holes
Invited Talk at Kavli Institute for Particle Astrophysics and Cosmology, Palo Alto, Ca
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How much is that black hole in the window? (Robustness testing in Stellar Dynamical Modeling)
Invited Talk at History, Philosophy, Culture Working Group (AIV focus group), ngEHT, Virtual
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Big Galaxies and Big Black Holes and Nanohertz Gravitational Waves
Invited Seminar at Max Planck Institute for Extraterrestrial Physics (virtual), Munich DE
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Big Galaxies and Big Black Holes and Nanohertz Gravitational Waves and Even Bigger Black Holes
Invited Talk at Mitchell Institute, College Station TX
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Big Galaxies in 3D: KCWI Measurements Reveal the Intrinsic Shapes and Central Black Holes of the Most Massive Galaxies
Conference Talk at Keck Science Meeting, Pasadena, CA
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Big Galaxies & Big Black Holes & Nanohertz Gravitational Waves
Invited Group Meeting Talk at NANOGrav Astrophysics Working Group meeting, Virtual
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Realizing the Full Potential: Detecting and Measuring (Ultra)massive Black Holes in Triaxial Galaxies
Dissertation Talk at AAS Summer Meeting, Madison, WI, USA
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M87 and Beyond: Recent Progress in Stellar Dynamical Measurements of (ultramassive) Black Hole Masses
Invited Conference Talk at Black Hole Initiative Annual Conference, Cambridge, MA, USA
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supermassive black holes and where to find them
Alumni Outreach Event at UC Berkeley, Berkeley, CA
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Supermassive Black Hole Discovery and Measurement with Triaxial Schwarzschild Modelling
Department Seminar at UC Berkeley, Berkeley, CA
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Keck Integral-Field Spectroscopy of M87 Reveals an Intrinsically Triaxial Galaxy and a Revised Black Hole Mass
Invited Group Meeting Talk at Event Horizon Telescope Group Meeting, , Cambridge, MA, USA
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A Duet of Black Holes from the TriOS (Triaxial Orbit Superposition) Code
Conference talk at Giant Magellan Telescope Community Science Meeting, Sedona AZ, USA
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A Search for the Largest Supermassive Black Holes
Talk at Astrophysics Roundtable, Berkeley, CA, USA
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Colloid-Colloid Hydrodynamic Interaction Around a Bend in a Quasi-One-Dimensional Channel
Conference Talk at APS March Meeting, New Orleans, LA, USA