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Flatiron Institute Computational Astrophysics

Computational Astrophysics: Publications

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  1. Pulsational Instability of Quasi-stars: Interpreting the Variability of Little Red Dots

    The Astrophysical Journal Letters, arXiv:2512.17997, March 2026

    M. Cantiello, Jake B. Hassan, Rosalba Perna, Philip J. Armitage, et al.

  2. Fading into Darkness: A Weak Mass Ejection and Low-efficiency Fallback Accompanying Black Hole Formation in M31-2014-DS1

    The Astrophysical Journal Letters, arXiv:2601.05774, March 2026

    K. De, Morgan MacLeod, Jacob E. Jencson, Ryan M. Lau, et al.

  3. Superluminal Wave Activation at Relativistic Magnetized Shocks

    The Astrophysical Journal Letters, arXiv:2512.19892, March 2026

    Jens F. Mahlmann, Logan Eskildsen, Arno Vanthieghem, Dawei Dai, and L. Sironi

  4. exoALMA. XXIII. Estimating Disk and Planet Properties from Dust Morphologies with DBNets 2.0

    The Astrophysical Journal Letters, arXiv:2603.13149, March 2026

    Alessandro Ruzza, Giuseppe Lodato, Giovanni Rosotti, Philip Armitage, et al.

  5. The Astrometric Resoeccentric Degeneracy: Eccentric Single Planets Mimic 2:1 Resonant Planet Pairs in Astrometry

    The Astrophysical Journal Letters, arXiv:2512.02007, March 2026

    Daniel A. Yahalomi, T. Lu, Philip J. Armitage, M. Bedell, et al.

  6. Evidence for a Peak at $\sim$0.3 in the Eccentricity Distribution of Typical Super-Jovian Exoplanets

    The Astrophysical Journal Letters, arXiv:2601.18877, March 2026

    Sarah Blunt, Jason Wang, Ruth Murray-Clay, Bruce Macintosh, Ryan A. Rubenzahl, and B.-J. Fulton

  7. A Morphology Catalog of Galaxies in CEERS: Evolution in the Size and Color Gradients of Galaxies Since Cosmic Dawn

    The Astrophysical Journal Letters, arXiv:2602.22306, March 2026

    Elizabeth J. McGrath, Steven L. Finkelstein, Guillermo Barro, V. Pandya, et al.

  8. The Hubble Arp Galaxy Survey

    The Astrophysical Journal Supplement Series, arXiv:2509.09011, March 2026

    Julianne J. Dalcanton, Meredith J. Durbin, and Benjamin F. Williams

  9. Figuring Out Gas & Galaxies in Enzo (FOGGIE). XI. Circumgalactic O VI Emission Traces Clumpy Inflowing Recycled Gas

    The Astrophysical Journal, arXiv:2510.25844, March 2026

    Cassandra Lochhaas, Molly S. Peeples, Brian W. O'Shea, Jason Tumlinson, et al.

  10. The Milky Way's Circular Velocity Curve Measured Using Element Abundance Gradients

    The Astrophysical Journal, arXiv:2601.18876, March 2026

    Danny Horta, Adrian M. Price-Whelan, Sergey E. Koposov, Jason A.-S. Hunt, et al.

  11. Magnetic Pressure Dominance Stabilizes AGN Disks against Gravitational Instability

    The Astrophysical Journal Letters, arXiv:2508.16842, March 2026

    Hannalore J. Gerling-Dunsmore, Mitchell C. Begelman, Jacob B. Simon, and Philip J. Armitage

  12. The Cosmic Baryon Cycle in IllustrisTNG: Flows of Mass, Energy, and Metals

    The Astrophysical Journal, arXiv:2510.23343, March 2026

    Yossi Oren, V. Pandya, Rachel S. Somerville, S. Genel, Osase Omoruyi, and A. Sternberg

  13. Identifying Compact Chirping SMBHBs in LSST Using Bayesian Analysis

    The Astrophysical Journal, arXiv:2506.10846, March 2026

    Chengcheng Xin, M. Isi, Will M. Farr, and Z. Haiman

  14. The Multiwavelength Context of Delayed Radio Emission in Tidal Disruption Events: Evidence for Accretion-driven Outflows

    The Astrophysical Journal, arXiv:2506.12729, March 2026

    Kate D. Alexander, Raffaella Margutti, Sebastian Gomez, Michael Stroh, et al.

  15. Where Do Stars Explode in the ISM?—The Distribution of Dense Gas around Evolved Massive Stars in M33

    The Astrophysical Journal, arXiv:2310.17694, March 2026

    Sumit K. Sarbadhicary, Jordan Wagner, Eric W. Koch, Ness Mayker Chen, et al.

  16. Galaxies in the Epoch of Reionization Are All Bark and No Bite—Plenty of Ionizing Photons Low Escape Fractions

    The Astrophysical Journal, arXiv:2505.08870, March 2026

    Casey Papovich, Justin W. Cole, Weida Hu, Steven L. Finkelstein, et al.

  17. Hot Springs and Dust Reservoirs: JWST Reveals the Dusty, Molecular Aftermath of Extragalactic Stellar Mergers

    The Astrophysical Journal, arXiv:2508.03932, March 2026

    Viraj Karambelkar, Mansi M. Kasliwal, Ryan M. Lau, Jacob E. Jencson, et al.

  18. TOI-4495: A Pair of Aligned, Near-resonant Sub-Neptunes That Likely Experienced Overstable Migration

    The Astronomical Journal, arXiv:2601.02665, March 2026

    Mu-Tian Wang, Fei Dai, Hui-Gen Liu, Kento Masuda, et al.

  19. The Milky Way Bulge Extratidal Star Survey: NGC 6569

    The Astronomical Journal, arXiv:2512.19074, March 2026

    Joanne Hughes, Andrea Kunder, Kevin Covey, Kathryn Devine, et al.

  20. Tracing AGN feedback power with cool/warm outflow densities: predictions and observational implications

    Monthly Notices of the Royal Astronomical Society, arXiv:2602.05954, March 2026

    Ivan Almeida, Tiago Costa, Chris M. Harrison, and Samuel R. Ward

  21. RotCurves: a PYTHON package for efficient modelling and fitting of galactic rotation curves at high-z

    Monthly Notices of the Royal Astronomical Society, arXiv:2601.08348, March 2026

    A. Nestor Shachar, A. Sternberg, S.-H. Price, N.-M. Förster Schreiber, et al.

  22. AT2019cmw: a highly luminous, cooling featureless TDE candidate from the disruption of a high mass star in an early-type galaxy

    Monthly Notices of the Royal Astronomical Society, arXiv:2507.07380, March 2026

    Jacob L. Wise, Daniel A. Perley, Nikhil Sarin, Tatsuya Matsumoto, et al.

  23. Two temperate Earth- and Neptune-sized planets orbiting fully convective M dwarfs

    Monthly Notices of the Royal Astronomical Society, arXiv:2601.05799, March 2026

    Madison G. Scott, Georgina Dransfield, Mathilde Timmermans, Amaury H.-M.-J. Triaud, et al.

  24. The supersonic nature of jellyfish galaxies

    Astronomy & Astrophysics, arXiv:2602.21821, March 2026

    Alessandro Ignesti, Francesca Loi, Antonino Marasco, Benedetta Vulcani, et al.

  25. Radiation magnetohydrodynamics simulations of Population III star formation during the epoch of reionization

    Astronomy & Astrophysics, arXiv:2511.11314, March 2026

    Lisanne van Veenen, P. Sharda, Serena Viti, and S. Menon

  26. Lense─Thirring precessing magnetar engine drives a superluminous supernova

    Nature, arXiv:2509.08051, March 2026

    Joseph R. Farah, Logan J. Prust, D.Andrew Howell, Yuan Qi Ni, et al.

  27. Testing the Association of Supermassive Black Hole Infrared Flares and High-energy Neutrinos

    The Astrophysical Journal Letters, arXiv:2601.22309, February 2026

    Megan Wang, Christos Panagiotou, K. De, Erin Kara, Megan Masterson, and Foteini Oikonomou

  28. Surprisingly Similar: The Mass Function of Gaia Neutron Stars and Firstborn Double Neutron Stars

    The Astrophysical Journal Letters, arXiv:2511.07393, February 2026

    Aryanna Schiebelbein-Zwack, L.-A.-C. van Son, Maya Fishbach, and Will M. Farr

  29. Type IIb Supernova Progenitors in 3D: Variability and Episodic Mass Loss Revealed by Radiation Hydrodynamics Simulations

    The Astrophysical Journal Letters, arXiv:2508.12486, February 2026

    Jared A. Goldberg, Y. Jiang, L. Bildsten, and M. Cantiello

  30. On the Orbital Evolution of Binaries with Polar Circumbinary Disks

    The Astrophysical Journal Letters, arXiv:2601.05932, February 2026

    Cheng Chen, Philip J. Armitage, and C.-J. Nixon

  31. Double Hot Jupiter Formation through Mirrored ZLK Migration in Binary Star Systems: The Case of WASP-94

    The Astrophysical Journal Letters, arXiv:2512.18108, February 2026

    Yurou Liu, T. Lu, and Malena Rice

  32. Taming the Tarantula: How Stellar Wind Feedback Shapes Gas and Dust in 30 Doradus

    The Astrophysical Journal, arXiv:2512.03129, February 2026

    Jennifer A. Rodriguez, L. Lopez, L. Lancaster, Anna L. Rosen, et al.

  33. A Constrained Linear Model for Continuum Normalization of Stellar Spectra

    The Astrophysical Journal, arXiv:2601.19973, February 2026

    Andrew R. Casey, Adam Wheeler, M. Bedell, D. Hogg, Andrew Saydjari, and Lily Zhao

  34. The Timescales of Embedded Star Formation as Observed in STARFORGE

    The Astrophysical Journal, arXiv:2509.18322, February 2026

    Tobin M. Wainer, Julianne J. Dalcanton, Michael Y. Grudic, Stella S.-R. Offner, et al.

  35. Magnetic Field Amplification and Particle Acceleration in Weakly Magnetized Transrelativistic Electron─Ion Shocks

    The Astrophysical Journal, arXiv:2512.03169, February 2026

    Ioana A. Stelea, Snevzana Stanimirovic, Nickolas M. Pingel, et al.

  36. Dynamical Origins of Azimuthal Metallicity Variations in the Galactic Disk: Insights from Kinematic Ridges with Gaia

    The Astrophysical Journal, arXiv:2601.02494, February 2026

    Carlos Jurado, K. Hawkins, Jason A.-S. Hunt, Z. Hackshaw, et al.

  37. RIOJA. A Clumpy Galaxy Assembly at Redshift 6.81 Revealed by JWST

    The Astrophysical Journal, arXiv:2507.02053, February 2026

    Ken Mawatari, Luca Costantin, Mitsutaka Usui, Takuya Hashimoto, et al.

  38. No Sign of a Magnetar Remnant Following the Kilonova-producing Long GRB 211211A $\sim$1.7 yr Later

    The Astrophysical Journal, arXiv:2510.09744, February 2026

    Genevieve Schroeder, Ben Margalit, Brian D. Metzger, Wen-fai Fong, et al.

  39. The Growth of the Central Black Holes in Quasi-stars

    The Astrophysical Journal, arXiv:2510.18301, February 2026

    Jake B. Hassan, Rosalba Perna, M. Cantiello, Philip J. Armitage, Mitchell C. Begelman, and Taeho Ryu

  40. Origins of Mercury's Big Heart of Iron: Exploring Pathways to Form High Core Mass Fraction Planets via N-body Simulations

    The Astrophysical Journal, arXiv:2511.01842, February 2026

    Haniyeh Tajer, Ji Wang, Anna C. Childs, Noah Ferich, T. Lu, and Hanno Rein

  41. Unveiling the Ionized and Neutral ISM at z > 10: The Origin of [O III] /[C II] Ratios from a Subparsec Resolution Radiative Transfer Simulation

    The Astrophysical Journal, arXiv:2505.12397, February 2026

    Y. Nakazato, Kazuyuki Sugimura, Akio K. Inoue, and Massimo Ricotti

  42. Tracking the Assembly of Supermassive Black Holes: A Comparison of Diverse Models across Cosmic Time

    The Astrophysical Journal, arXiv:2504.11566, February 2026

    Antonio J. Porras-Valverde, Angelo Ricarte, Priyamvada Natarajan, Rachel S. Somerville, A. Gabrielpillai, and L.-Y. Aaron Yung

  43. The Local Group L-band Survey: Probing Cold Atomic Gas in IC 10 with Neutral Hydrogen Absorption

    The Astrophysical Journal, arXiv:2511.10602, February 2026

    Ioana A. Stelea, Snevzana Stanimirovic, Nickolas M. Pingel, Hongxing Chen, et al.

  44. Polka-dotted Stars. II. Starspots and Obliquities of Kepler-17 and Kepler-63

    The Astrophysical Journal, arXiv:2510.07130, February 2026

    Sabina Sagynbayeva and Will M. Farr

  45. Seeking Spectroscopic Binaries with Data-driven Models

    The Astrophysical Journal, arXiv:2512.11043, February 2026

    Isabel Angelo, Erik Petigura, and M. Bedell

  46. EP241217a: A Likely Type II GRB with an Achromatic Bump at z = 4.59

    The Astrophysical Journal, arXiv:2512.07233, February 2026

    Hao Zhou, Jia Ren, Chen-Wei Wang, Xing Liu, et al.

  47. How DREAMS Are Made: Emulating Satellite Galaxy and Subhalo Populations with Diffusion Models and Point Clouds

    The Astrophysical Journal, arXiv:2409.02980, February 2026

    Tri Nguyen, F. Villaescusa-Navarro, Siddharth Mishra-Sharma, C. Cuesta-Lazaro, et al.

  48. Ignition of Weak Interactions and r-process Outflows in Supercollapsar Accretion Disks

    The Astrophysical Journal, arXiv:2503.15729, February 2026

    Aman Agarwal, Daniel M. Siegel, Brian D. Metzger, and Chris Nagele

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