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Flatiron Institute Computational Astrophysics

Computational Astrophysics: Publications

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  1. An Earth-Sized Planet in a 5.4h Orbit Around a Nearby K dwarf

    arxiv:2507.08464, July 11, 2025

    Kaya Han Taş, Gudmundur Stefansson, Syarief N.M. Fariz, Esha Garg, et al.

  2. Impact of Pretraining Word Co-occurrence on Compositional Generalization in Multimodal Models

    arxiv:2507.08000, July 10, 2025

    H. Qu and Sang Michael Xie

  3. Open Source Planning & Control System with Language Agents for Autonomous Scientific Discovery

    arxiv:2507.07257, July 9, 2025

    Licong Xu, Milind Sarkar, Anto I. Lonappan, Íñigo Zubeldia, et al.

  4. Evaluating Retrieval-Augmented Generation Agents for Autonomous Scientific Discovery in Astrophysics

    arxiv:2507.07155, July 9, 2025

    Xueqing Xu, Boris Bolliet, Adrian Dimitrov, Andrew Laverick, et al.

  5. Causal Foundation Models: Disentangling Physics from Instrument Properties

    arxiv:2507.05333, July 7, 2025

    Jeroen Audenaert, Daniel Muthukrishna, Paul F. Gregory, D. Hogg, and V. Ashley Villar

  6. CosmoBench: A Multiscale, Multiview, Multitask Cosmology Benchmark for Geometric Deep Learning

    arxiv:2507.03707, July 4, 2025

    Ningyuan Huang, Richard Stiskalek, Jun-Young Lee, A. Bayer, et al.

  7. Lost in Latent Space: An Empirical Study of Latent Diffusion Models for Physics Emulation

    arxiv:2507.02608, July 3, 2025

    François Rozet, R. Ohana, M. McCabe, Gilles Louppe, F. Lanusse, and S. Ho

  8. Sloan Digital Sky Survey. V. Pioneering Panoptic Spectroscopy

    arxiv:2507.06989, July 2025

    Juna A. Kollmeier, H. Rix, C. Aerts, James Aird, et al.

  9. Simulation-Efficient Cosmological Inference with Multi-Fidelity SBI

    arxiv:2507.00514, July 2025

    Leander Thiele, A. Bayer, and Naoya Takeishi

  10. On the Universality of the Split Monopole Black Hole Magnetosphere

    The Astrophysical Journal Letters, arxiv:2504.10367, July 2025

    S. Selvi, O. Porth, B. Ripperda, and L. Sironi

  11. CAPERS Observations of Two UV-Bright Galaxies at z>10. More Evidence for Bursting Star Formation in the Early Universe

    The Astrophysical Journal Letters, arxiv:2504.12504, July 2025

    Vasily Kokorev, Óscar A. Chávez Ortiz, Anthony J. Taylor, Steven L. Finkelstein, et al.

  12. Radiation and Magnetic Pressure Support in Accretion Disks Around Supermassive Black Holes and the Physical Origin of the Extreme-ultraviolet to Soft X-Ray Spectrum

    The Astrophysical Journal, arxiv:2505.09671, July 2025

    Y. Jiang, Omer Blaes, I. Kaul, and L. Zhang

  13. Inferring the Density and Membership of Stellar Streams with Flexible Models: The GD-1 Stream in Gaia Data Release 3

    The Astrophysical Journal, arxiv:2502.13236, July 2025

    Kiyan Tavangar and Adrian M. Price-Whelan

  14. Accretion of Active Galactic Nucleus Stars Under the Influence of Disk Geometry

    The Astrophysical Journal, arxiv:2505.13951, July 2025

    Yi-Xian Chen, Y. Jiang, and Jeremy Goodman

  15. On the effects of parameters on galaxy properties in CAMELS and the predictability of \(\Omega_{\rm m}\)

    The Astrophysical Journal, arxiv:2503.22654, July 2025

    Gabriella Contardo, Roberto Trotta, Serafina Di Gioia, D. Hogg, and F. Villaescusa-Navarro

  16. Can We Discover Physical Models Using Machine Learning? A Case Study of Galaxy Sizes

    The Astrophysical Journal, July 2025

    Festa Buçinca-Çupallari, Ariyeh H. Maller, Viviana Acquaviva, A. Gabrielpillai, et al.

  17. Time-resolved p-mode Oscillations for Subgiant HD 142091 with NEID at WIYN

    The Astrophysical Journal, arxiv:2506.18989, July 2025

    Jacob K. Luhn, Paul Robertson, Samuel Halverson, Arvind F. Gupta, et al.

  18. Circumplanetary Disks are Rare Around Planets at Large Orbital Radii: A Parameter Survey of Flow Morphology Around Giant Planets

    The Astrophysical Journal, arxiv:2410.14896, July 2025

    Sabina Sagynbayeva, Rixin Li, Aleksandra Kuznetsova, Zhaohuan Zhu, Y. Jiang, and Philip J. Armitage

  19. Relationships between PAHs, Small Dust Grains, H\(_2\), and HI in Local Group Dwarf Galaxies NGC 6822 and WLM Using JWST, ALMA, and the VLA

    The Astrophysical Journal, arxiv:2504.08069, July 2025

    Ryan Chown, Adam K. Leroy, Alberto D. Bolatto, Jérémy Chastenet, et al.

  20. ASURA-FDPS-ML: Star-by-star Galaxy Simulations Accelerated by Surrogate Modeling for Supernova Feedback

    The Astrophysical Journal, arxiv:2410.23346, July 2025

    Keiya Hirashima, Kana Moriwaki, Michiko S. Fujii, Yutaka Hirai, et al.

  21. Iron Snails: Nonequilibrium Dynamics and Spiral Abundance Patterns

    The Astrophysical Journal, arxiv:2407.07149, July 2025

    Neige Frankel, D. Hogg, Scott Tremaine, A. Price-Whelan, and Jeff Shen

  22. Bursts of Star Formation and Radiation-driven Outflows Produce Efficient LyC Leakage from Dense Compact Star Clusters

    The Astrophysical Journal, arxiv:2408.14591, July 2025

    S. Menon, B. Burkart, Rachel S. Somerville, Todd A. Thompson, and A. Sternberg

  23. Discovery of a Weak CN Spectral Absorption Feature in Red Supergiant Stars in the Andromeda (M31) and Triangulum (M33) Galaxies

    The Astrophysical Journal, arxiv:2504.04291, July 2025

    Puragra Guhathakurta, Douglas Grion Filho, Antara R. Bhattacharya, Lara R. Cullinane, et al.

  24. High-energy Neutrino Signatures from Pulsar Remnants of Binary Neutron-star Mergers: Coincident Detection Prospects with Gravitational Waves

    The Astrophysical Journal, arxiv:2407.04767, July 2025

    Mainak Mukhopadhyay, Shigeo S. Kimura, and Brian D. Metzger

  25. Detection of [OIII]88\(\mu\)m in JADES-GS-z14-0 at z=14.1793

    The Astrophysical Journal, arxiv:2409.20549, July 2025

    Sander Schouws, Rychard J. Bouwens, Katherine Ormerod, Renske Smit, et al.

  26. Searching for GEMS: Confirmation of TOI-5573 b, a Cool, Saturn-like Planet Orbiting an M Dwarf

    The Astronomical Journal, arxiv:2505.08947, July 2025

    Rachel B Fernandes, Shubham Kanodia, Megan Delamer, Andrew Hotnisky, et al.

  27. Five New Sirius-like White Dwarf–Main-sequence Star Systems with MagAO-X

    The Astronomical Journal, arxiv:2505.14439, July 2025

    Logan A. Pearce, Jared R. Males, Sebastiaan Y. Haffert, Laird M. Close, et al.

  28. Stellar Obliquity of the Ultra-short-period Planet System HD 93963

    The Astronomical Journal, arxiv:2505.10804, July 2025

    Huan-Yu Teng, Fei Dai, Andrew W. Howard, Samuel Halverson, et al.

  29. Lens Modeling of STRIDES Strongly Lensed Quasars Using Neural Posterior Estimation

    The Astronomical Journal, arxiv:2410.10123, July 2025

    Sydney Erickson, S. Wagner-Carena, Phil Marshall, Martin Millon, et al.

  30. The NEID Earth Twin Survey. II. Dynamical Masses in Seven High-acceleration Star Systems

    The Astronomical Journal, arxiv:2505.12563, July 2025

    Mark R. Giovinazzi, Cullen H. Blake, Paul Robertson, Andrea S.J. Lin, et al.

  31. Far-infrared enhanced survey spectrometer for PRIMA: science drivers

    Journal of Astronomical Telescopes, Instruments, and Systems, arxiv:2509.01800, July 2025

    Klaus M. Pontoppidan, Alberto Bolatto, J D Smith, C. M. Bradford, et al.

  32. PRIMA mission concept

    Journal of Astronomical Telescopes, Instruments, and Systems, July 2025

    Jason Glenn, Margaret Meixner, Charles M. Bradford, Klaus Pontoppidan, et al.

  33. Magnetic fields limit the mass of Population III stars even before the onset of protostellar radiation feedback

    Monthly Notices of the Royal Astronomical Society, arxiv:2501.12734, July 2025

    P. Sharda, S. Menon, Roman Gerasimov, Volker Bromm, et al.

  34. Optical spectroscopic signatures of the red giant evolutionary state

    Monthly Notices of the Royal Astronomical Society, arxiv:2506.02889, July 2025

    Ella Xi Wang, Melissa Ness, Thomas Nordlander, Andrew R. Casey, et al.

  35. Stellar populations in STARFORGE II: comparison with observations

    Monthly Notices of the Royal Astronomical Society, arxiv:2506.00240, July 2025

    Juan P. Farias, Stella S. R. Offner, Ronan Kerr, and Michael Y. Grudić

  36. JWST MIRI/MRS observations of hot molecular gas in an AGN host galaxy at Cosmic Noon

    Monthly Notices of the Royal Astronomical Society, arxiv:2507.05354, July 2025

    D. Kakkad, V. Mainieri, Takumi S. Tanaka, John D. Silverman, et al.

  37. A Hot Jupiter with a Retrograde Orbit Around A Sun-like Star and a Toy Model of Hot Jupiters in Wide Binary Star Systems

    Publications of the Astronomical Society of the Pacific, arxiv:2507.02667, July 2025

    Steven Giacalone, Andrew W. Howard, Ryan A. Rubenzahl, Fei Dai, et al.

  38. Prompt stellar and binary black hole mergers in tight triples: Insights from chemically homogeneous evolution

    Astronomy & Astrophysics, arxiv:2503.17006, July 2025

    Alejandro Vigna-Gómez, Evgeni Grishin, Jakob Stegmann, Aleksandra Olejak, et al.

  39. CEERS: Possibly forging the first dust grains in the universe: A population of galaxies with spectroscopically derived extremely low dust attenuation (GELDA) at 4.0 \(< z \lesssim\) 11.4

    Astronomy & Astrophysics, arxiv:2504.13118, July 2025

    Denis Burgarella, Véronique Buat, Patrice Theulé, Jorge Zavala, et al.

  40. The MUSE view of ram pressure stripped galaxies in clusters: The GASP sample

    Astronomy & Astrophysics, arxiv:2505.21107, July 2025

    Bianca M. Poggianti, Benedetta Vulcani, Neven Tomicic, Alessia Moretti, et al.

  41. The completeness of the open cluster census towards the Galactic anticentre

    Astronomy & Astrophysics, arxiv:2506.18708, July 2025

    Emily L. Hunt, Tristan Cantat-Gaudin, Friedrich Anders, Lorenzo Spina, et al.

  42. Simulation-based inference benchmark for weak lensing cosmology

    Astronomy & Astrophysics, arxiv:2409.17975, July 2025

    Justine Zeghal, Denise Lanzieri, F. Lanusse, Alexandre Boucaud, et al.

  43. The mass-metallicity relation as a ruler for galaxy evolution: Insights from the James Webb Space Telescope

    Astronomy & Astrophysics, arxiv:2408.00061, July 2025

    A. Pallottini, A. Ferrara, S. Gallerani, L. Sommovigo, et al.

  44. A planetary-mass candidate imaged in the Young Suns Exoplanet Survey

    Astronomy & Astrophysics, arxiv:2505.13295, July 2025

    Pengyu Liu, Matthew A. Kenworthy, Beth A. Biller, Alex Wallace, et al.

  45. Euclid preparation. Full-shape modelling of 2-point and 3-point correlation functions in real space

    arxiv:2506.22257, June 27, 2025

    Euclid Collaboration: M. Guidi, A. Veropalumbo, A. Pugno, M. Moresco, et al.

  46. REBELS-MOSFIRE: Weak CIII] Emission is Typical Among Extremely UV-bright, Massive Galaxies at \(z\sim7\)

    arxiv:2506.21674, June 26, 2025

    Ryan Endsley, Alice E. Shapley, Michael W. Topping, Daniel P. Stark, et al.

  47. Inferring Neutron Star Nuclear Properties from Gravitational-Wave and Gamma-Ray Burst Observations

    arxiv:2506.18151, June 22, 2025

    Hsin-Yu Chen and Ore Gottlieb

  48. Synthesizer: Synthetic Observables For Modern Astronomy

    arxiv:2506.15811, June 18, 2025

    Will J. Roper, Christopher Lovell, Aswin Vijayan, Stephen Wilkins, et al.

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