Astrophysics I

ORAL · I03 · ID: 3637178





Presentations

  • Ultra-Strongly Self-Interacting Dark Matter: From Phenomenology to Observables

    ORAL

    Publication: Early formation of supermassive black holes from the collapse of strongly self-interacting dark matter: published in JCAP, https://iopscience.iop.org/article/10.1088/1475-7516/2025/01/060

    Little Red Dots from Ultra-Strongly Self-Interacting Dark Matter: has been submitted to JCAP, https://arxiv.org/abs/2507.03230

    Ultra-Strongly Self-Interacting Dark Matter Phenomenology (in prep, likely to be finished before the start of the conference),

    The clustering of Little Red Dots from Ultra-Strongly Self-Interacting Dark Matter (also in prep, but earlier stages)

    Presenters

    • Michael G Roberts

      University of California, Santa Cruz

    Authors

    • Michael G Roberts

      University of California, Santa Cruz

    • Aarna Garg

      University of California, Santa Cruz

    • Stefano Profumo

      University of California, Santa Cruz

    • Tesla Erin Jeltema

      University of California, Santa Cruz

    • Lila Braff

      University of California, Santa Cruz

    View abstract →

  • Origin of Little Red Dots Explained by Ultra Self-Interacting Dark Matter

    ORAL

    Publication: - Roberts, G. M., et al., Early formation of supermassive black holes from the collapse of strongly self-interacting dark matter, JCAP 2025, 025 (2025).

    - Roberts, G. M., et al., Little Red Dots from Ultra-Strongly Self-Interacting Dark Matter, JCAP 2025, 025 (2025), arXiv:2507.03230 [astro-ph.GA].

    Presenters

    • Aarna Garg

      University of California, Santa Cruz

    Authors

    • Michael G Roberts

      University of California, Santa Cruz

    • Lila Braff

      University of California, Santa Cruz

    • Aarna Garg

      University of California, Santa Cruz

    • Stefano Profumo

      University of California, Santa Cruz

    • Tesla Erin Jeltema

      University of California, Santa Cruz

    View abstract →

  • Dwarf galaxies and star clusters in the new era of sky surveys

    ORAL

    Publication: Romanowsky et al, 2025, Research Notes of the AAS, 9, 181;
    Romanowsky et al, 2024, Research Notes of the AAS, 8, 202;
    Tang et al., 2025, The Astrophysical Journal, 982, 1;
    Buzzo et al., 2025, Astronomy & Astrophysics, 695, A124;
    Tang et al., in preparation;
    Kenoly et al., in preparation;
    O'Brien et al., in preparation;
    Bains et al., in preparation;
    Coustier et al, in preparation;
    Shavor et al., in preparation

    Presenters

    • Aaron Romanowsky

      San Jose State University

    Authors

    • Aaron Romanowsky

      San Jose State University

    • Yimeng Tang

      University of California, Santa Cruz

    • Kevin Bundy

      UC Santa Cruz

    • Brittney Shavor

      San Jose State University

    • Zachary Coustier

      San José State University

    • Yashraj Bains

      San Jose State University, San José State University

    • Lailani Kenoly

      San Jose State University

    • Logan O'Brien

      San Jose State University

    View abstract →

  • Cluster Catalog Validation with Multiwavelength Data

    ORAL

    Publication: E.K. Steelberg, T.E. Jeltema, J.H. O'Donnell, R. Solomon. "Cluster Catalog Validation with Multi-
    wavelength Data", Research Notes of the American Astronomical Society (currently in LSST-DESC collaboration wide review)

    Presenters

    • Ethan K Steelberg

      University of California, Santa Cruz

    Authors

    • Ethan K Steelberg

      University of California, Santa Cruz

    • Tesla Erin Jeltema

      University of California, Santa Cruz

    • Jackson H O'Donnell

      University of California, Santa Cruz

    • Rance Solomon

      LAPP

    View abstract →

  • Geodesic completion of big bangs from emergent geometry

    ORAL

    Presenters

    • Liam O'Donnell

      California Polytechnic State University, San Luis Obispo

    Authors

    • Liam O'Donnell

      California Polytechnic State University, San Luis Obispo

    • Benjamin Shlaer

      Cal Poly SLO, California Polytechnic State University, San Luis Obispo

    • Jada Young

      California Polytechnic State University, San Luis Obispo

    • Brooke Berrios

      California Polytechnic State University, San Luis Obispo

    • Cameron L Corley

      California Polytechnic State University, San Luis Obispo

    View abstract →