Black Hole Astrophysics

Presentations

• Abstract Withdrawn

  ORAL · Withdrawn

  March 17, 2026, 3:30 PM – March 17, 2026, 3:42 PM

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• Using Photon Ring Astrometry to Constrain Black Hole Spin and Mass

  ORAL

  March 17, 2026, 3:42 PM – March 17, 2026, 3:54 PM

  Presenters

  • Delilah Gates

    • Center for Astrophysics | Harvard & Smithsonian
    • Harvard - Smithsonian Center for Astrophysics

  Authors

  • Delilah Gates

    • Center for Astrophysics | Harvard & Smithsonian
    • Harvard - Smithsonian Center for Astrophysics

  • Aaron Held

    • Université Paris Cité

  • Dominic Chang

    • Harvard University
    • Harvard - Smithsonian Center for Astrophysics

  • William Guan

    • Harvard University

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• Geometry of the Inner Shadow: Constraining Black Hole Spin, Mass, and Inclination

  ORAL

  March 17, 2026, 3:54 PM – March 17, 2026, 4:06 PM

  Presenters

  • William Guan

    • Harvard University

  Authors

  • William Guan

    • Harvard University

  • Delilah Gates

    • Center for Astrophysics | Harvard & Smithsonian
    • Harvard - Smithsonian Center for Astrophysics

  • Dominic Chang

    • Harvard University
    • Harvard - Smithsonian Center for Astrophysics

  • Daniel Palumbo

    • Harvard - Smithsonian Center for Astrophysics

  • Michael Johnson

    • Harvard - Smithsonian Center for Astrophysics

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• Polarization Signatures of Plunging Hot Spots around Kerr Black Holes

  ORAL

  March 17, 2026, 4:06 PM – March 17, 2026, 4:18 PM

  Presenters

  • Pablo M Ruales

    • Wake Forest University

  Authors

  • Pablo M Ruales

    • Wake Forest University

  • Alejandro Cardenas-Avendano

    • Wake Forest University

  • Delilah Gates

    • Center for Astrophysics | Harvard & Smithsonian
    • Harvard - Smithsonian Center for Astrophysics

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• Plasma Influence on the Shadow and its Observables of a Black Hole Immersed in Dark Matter

  ORAL

  March 17, 2026, 4:18 PM – March 17, 2026, 4:30 PM

  Presenters

  • Connor McMillin

    • Grinnell College

  Authors

  • Connor McMillin

    • Grinnell College

  • Zhichen Guan

    • Grinnell College

  • Leo Rodriguez

    • Grinnell College

  • Shanshan Rodriguez

    • Grinnell College

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• Production of irregularly repeating tidal disruption events around massive black holes via diffusive dynamical tides

  ORAL

  March 17, 2026, 4:30 PM – March 17, 2026, 4:42 PM

  Presenters

  • Shu Yan Lau

    • Montana State University

  Authors

  • Shu Yan Lau

    • Montana State University

  • Hang Yu

    • Montana State University

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• The Circumnuclear Impact of Accreting Black Holes at z~0

  ORAL

  March 17, 2026, 4:42 PM – March 17, 2026, 4:54 PM

  Presenters

  • Prajval Shastri

    • Raman Research Institute

  Authors

  • Prajval Shastri

    • Raman Research Institute

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• Observational Predictions from a Cosmological Simulation of a Quasar Starburst Galaxy Zoomed to the Supermassive Black Hole's Innermost Stable Orbit

  ORAL

  March 17, 2026, 4:54 PM – March 17, 2026, 5:06 PM

  Publication: [1] Bardati, J., Hopkins, P. F. & Richards, G. T. (2025). Early Stages of Dusty Tori: The First Infrared Spectra from a
  Highly Multiscale Quasar Simulation. Submitted to ApJ. arXiv:2509.09770
  [2] Bardati, J., Hopkins, P. F. (2025). Disentangling the AGN and Starburst Contributions of a Hot Dust Obscured
  Galaxy Spectrum using a Cosmological Simulation Resolving the Dust Torus. In prep.
  [3] Bardati, J., Hopkins, P. F. (2026). The Nature of the Broad Line Region in a Fully Resolved Quasar Simulation. In prep.

  Presenters

  • Jaeden Bardati

    • Caltech

  Authors

  • Jaeden Bardati

    • Caltech

  • Philip F Hopkins

    • Caltech

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