Amy Secunda

email: asecunda at flatironinstitute.org

Papers

FIRST AUTHOR

  1. A. Secunda, Y. F. Jiang, J. Greene. “Disk Structure May Determine AGN Variability and Explain the Accretion Disk Size Problem: No Broad Line Region Required.” submitted to ApJ. 
  2. A. Secunda, S. Wagner-Carena, H. Qu, S. Ho. “Measuring the Vertical Structure of Active Galactic Nuclei Disks with Transformer Models and the Vera C. Rubin Observatory.” accepted to ApJ, arXiv:2601.08926
  3. A. Secunda, R. S. Somerville, Y .-F. Jiang, J. E. Greene, L. J. Furtak, and A. Zitrin, “Do Little Red Dots Vary?” 2026, ApJ, 996, 6.
  4. A. Secunda, Y.F. Jiang, J. Greene. “Continuum Reverberation in Active Galactic Nuclei Disks Only With Sufficient X-ray Luminosity and Low Albedo.” 2025, ApJ, 984, 19.
  5. A. Secunda, Y.F. Jiang, J.E. Greene. “Simulating X-ray Reverberation in the UV-Emitting Regions of Active Galactic Nuclei Accretion Disks with 3D Multi-Frequency Magnetohydrodynamic Simulations.”  2024, ApJL, 965, 29.
  6. A. Secunda, J.E. Greene, Y. F. Jiang, P. Z. Yao*, A. Zoghbi. “​​Negative Lags on the Viscous Timescale in Quasar Photometry and Prospects for Detecting More with LSST.” 2023, ApJ, 956, 2. 
  7. A. Secunda, P. Donnel, H. Ji, J. Goodman. “Magnetorotational Instability in a Swirling Partially Ionized Gas.” 2023, MNRAS , 526, 4093.
  8. A. Secunda, B. Hernandez*, J. Goodman, N. W. C. Leigh, B. McKernan, K. E. S. Ford, J. I. Adorno*. “Evolution of Retrograde Orbiters in an Active Galactic Nucleus Disk.” 2021, ApJL, 908, L27. 
  9. A. Secunda, J. M. Bellovary, M.-M. Mac Low, K. E. S. Ford, B. McKernan, N. W. C. Leigh, W. Lyra, S. Zsolt, J. I. Adorno*.  “Orbital Migration of Interacting Stellar Mass Black Holes in Disks around Supermassive Black Holes II. Spins and Incoming Objects.”  2020, ApJ, 903, 133.
  10. A. Secunda, R. Cen, T. Kimm, Y. Gotberg, S de Mink. “Delayed Photons from Binary Evolution Help Reionize the Universe.” 2020, ApJ, 901, 72.
  11. A. Secunda, J. M. Bellovary, M.-M. Mac Low, K.E.S. Ford, B. McKernan, N. W. C. Leigh, W. Lyra, S. Zsolt.  “Orbital Migration of Interacting Stellar Mass Black Holes in Disks around Supermassive Black Holes.” 2019, ApJ, 878, 85.

PUBLICATIONS WITH SIGNIFICANT CONTRIBUTIONS

  1. Z. Liu, R. Naidu, A. Secunda, et al. “How I Wonder What You Are — JWST’s Little Red Dots do not TWINKLE.” submitted to ApJ, arXiv:2604.13000.
  2. K. Gonglewski*, A. Secunda, M.-M. Mac Low, K.E.S. Ford, B. McKernan, F. R. N. Schneider. “Orbital Migration of Interacting Stellar Mass Black Holes in Disks around Supermassive Black Holes. III. Mass Distribution of Hierarchical Mergers.” accepted to ApJ.
  3. L.F. Furtak, A. Secunda, et al. “Investigating photometric and spectroscopic variability in the multiply-imaged Little Red Dot A2744-QSO1.” 2025, submitted to A&A, arXiv:2502.07875.
  4. P. Yao, A. Secunda, Y. F. Jiang, J.E. Greene, A. Villar. “A Negative Long Lag from the Optical to the UV Continuum in Fairall 9.” 2023, ApJ, 953, 43.
  5. E. Berzin*, A. Secunda, R. Cen, Y. Gotberg, A. Menegas*. “Determining the Presence of Population III and Stripped Stars in Galaxies at the Epoch of Reionization.” 2021, ApJ, 918, 5.
  6. R.E. Sanderson, A. Secunda, K.V. Johnston, J. Bochanski. “New Views of the Distant Stellar Halo.” 2017, MNRAS 470, 5014. 

CONTRIBUTING AUTHOR

  1. E. Lambrides,…A. Secunda, et al. “The GlimmIr: Spectroscopic Variability in a z~7 LRD Indicates Rapid Changes in Both the Narrow and Broad Line Regions.” submitted to ApJL, arXiv:2604.25991.
  2. Y. Wang,…A. Secunda, et al. “Optical Counterparts to X-ray Sources in LSST DP1.” 2026, ApJ, 284, 13.
  3. S. Nasim, G. Fabj, F. Caban, A. Secunda, K. E. S. Ford, B. McKernan, J. Bellovary, N. W. C. Leigh, W. Lyra. “Aligning Retrograde Nuclear Cluster Orbits with an Active Galactic Nucleus Accretion Disc.” 2023, MNRAS, 522, 5393.
  4. P. Amaro-Seoane, J. Andrews,…A. Secunda, et al. “Astrophysics with the Laser Interferometer Space Antenna.” 2023, Living Reviews in Relativity, 26, 2.

*=students I have mentored