Ioana Ciucă

First-authored papers

  1. [2306.11648] Harnessing the Power of Adversarial Prompting and Large Language Models for Robust Hypothesis Generation in Astronomy (Jun 20, 2023)
    Ioana Ciucă, Yuan-Sen Ting, Sandor Kruk, Kartheik Iyer

  2. [2304.05406] Galactic ChitChat: Using Large Language Models to Converse with Astronomy Literature (Apr 12, 2023)
    Ioana Ciucă, Yuan-Sen Ting

  3. [2211.01006] Chasing the impact of the Gaia-Sausage-Enceladus merger on the formation of the Milky Way thick disc (Nov 2, 2022)
    Ioana Ciucă, Daisuke Kawata, Yuan-Sen Ting, Robert J. J. Grand, Andrea Miglio, Michael Hayden, Junichi Baba, Francesca Fragkoudi, Stephanie Monty, Sven Buder, Ken Freeman

  4. [2207.02785] Unsupervised Learning for Stellar Spectra with Deep Normalizing Flows (Jul 6, 2022)
    Ioana Ciuca, Yuan-Sen Ting

  5. [2003.03316] Unveiling the Distinct Formation Pathways of the Inner and Outer Discs of the Milky Way with Bayesian Machine Learning (Mar 6, 2020)
    Ioana Ciucă, Daisuke Kawata, Andrea Miglio, Guy R. Davies, Robert J. J. Grand

  6. [1805.02588] A Gaia DR2 search for dwarf galaxies towards Fermi-LAT sources: implications for annihilating dark matter (May 7, 2018)
    Ioana Ciucă, Daisuke Kawata, Shin'ichiro Ando, Francesca Calore, Justin I. Read, Cecilia Mateu

  7. [1706.05005] The vertical metallicity gradients of mono-age stellar populations in the Milky Way with the RAVE and Gaia data (Jun 15, 2017)
    Ioana Ciucă, Daisuke Kawata, Jane Lin, Luca Casagrande, George Seabroke, Mark Cropper

Co-authored papers

  1. [2601.10595] High-fidelity stellar extinction with Gaia and APOGEE -- I. The method and a new extinction curve (Jan 15, 2026)
    Jie Yu, Luca Casagrande, John A. Taylor, Ioana Ciucă, Giacomo Cordoni, Ronald Drimmel, Shourya Khanna, Hiep Nguyen, Tomasz Różański, Dennis Stello, Haibo Yuan, Zhen Yuan

  2. [2510.24591] ReplicationBench: Can AI Agents Replicate Astrophysics Research Papers? (Oct 28, 2025)
    Christine Ye, Sihan Yuan, Suchetha Cooray, Steven Dillmann, Ian L. V. Roque, Dalya Baron, Philipp Frank, Sergio Martin-Alvarez, Nolan Koblischke, Frank J Qu, Diyi Yang, Risa Wechsler, Ioana Ciuca

  3. [2507.22979] Thick-to-thin disc transition and gas disc shrinking induced by the Gaia-Sausage-Enceladus merger (Jul 30, 2025)
    Natsuki Funakoshi, Daisuke Kawata, Jason L. Sanders, Ioana Ciucă, Robert J. J. Grand, HanYuan Zhāng

  4. [2507.15715] From Queries to Criteria: Understanding How Astronomers Evaluate LLMs (Jul 21, 2025)
    Alina Hyk, Kiera McCormick, Mian Zhong, Ioana Ciucă, Sanjib Sharma, John F Wu, J. E. G. Peek, Kartheik G. Iyer, Ziang Xiao, Anjalie Field

  5. [2412.12252] Milky Way Disk (Dec 16, 2024)
    Daisuke Kawata, Robert J. J. Grand, Jason A. S. Hunt, Ioana Ciucă

  6. [2412.09040] Towards Galactic Archaeology with Inferred Ages of Giant Stars From Gaia Spectra (Dec 12, 2024)
    Aisha S. Almannaei, Daisuke Kawata, Ioana Ciuca, Connor Fallows, Jason L. Sanders, George Seabroke, Andrea Miglio

  7. [2412.02527] The Multimodal Universe: Enabling Large-Scale Machine Learning with 100TB of Astronomical Scientific Data (Dec 3, 2024)
    The Multimodal Universe Collaboration, Jeroen Audenaert, Micah Bowles, Benjamin M. Boyd, David Chemaly, Brian Cherinka, Ioana Ciucă, Miles Cranmer, Aaron Do, Matthew Grayling, Erin E. Hayes, Tom Hehir, Shirley Ho, Marc Huertas-Company, Kartheik G. Iyer, Maja Jablonska, Francois Lanusse, Henry W. Leung, Kaisey Mandel, Juan Rafael Martínez-Galarza, Peter Melchior, Lucas Meyer, Liam H. Parker, Helen Qu, Jeff Shen, Michael J. Smith, Connor Stone, Mike Walmsley, John F. Wu

  8. [2408.01556] pathfinder: A Semantic Framework for Literature Review and Knowledge Discovery in Astronomy (Aug 2, 2024)
    Kartheik G. Iyer, Mikaeel Yunus, Charles O'Neill, Christine Ye, Alina Hyk, Kiera McCormick, Ioana Ciuca, John F. Wu, Alberto Accomazzi, Simone Astarita, Rishabh Chakrabarty, Jesse Cranney, Anjalie Field, Tirthankar Ghosal, Michele Ginolfi, Marc Huertas-Company, Maja Jablonska, Sandor Kruk, Huiling Liu, Gabriel Marchidan, Rohit Mistry, J. P. Naiman, J. E. G. Peek, Mugdha Polimera, Sergio J. Rodriguez, Kevin Schawinski, Sanjib Sharma, Michael J. Smith, Yuan-Sen Ting, Mike Walmsley

  9. [2404.13562] New Evidence of Binarity in Young α-Rich Turn-off and Subgiant Stars: Fast Rotation and Strong Magnetic Activity (Apr 21, 2024)
    Jie Yu, Luca Casagrande, Ioana Ciucă, Yuan-Sen Ting, Simon J. Murphy, Boquan Chen

  10. [2402.08632] Cosmological evolution of metallicity correlation functions from the Auriga simulations (Feb 13, 2024)
    Zefeng Li, Robert J. J. Grand, Emily Wisnioski, J. Trevor Mendel, Mark R. Krumholz, Yuan-Sen Ting, Ruediger Pakmor, Facundo A. Gómez, Federico Marinacci, Ioana Ciucă

  11. [2402.02669] 3D NLTE Lithium abundances for late-type stars in GALAH DR3 (Feb 5, 2024)
    Ella Xi Wang, Thomas Nordlander, Sven Buder, Ioana Ciucă, Alexander Soen, Sarah Martell, Melissa Ness, Karin Lind, Madeleine McKenzie, Dennis Stello

  12. [2312.14211] Experimenting with Large Language Models and vector embeddings in NASA SciX (Dec 21, 2023)
    Sergi Blanco-Cuaresma, Ioana Ciucă, Alberto Accomazzi, Michael J. Kurtz, Edwin A. Henneken, Kelly E. Lockhart, Felix Grezes, Thomas Allen, Golnaz Shapurian, Carolyn S. Grant, Donna M. Thompson, Timothy W. Hostetler, Matthew R. Templeton, Shinyi Chen, Jennifer Koch, Taylor Jacovich, Daniel Chivvis, Fernanda de Macedo Alves, Jean-Claude Paquin, Jennifer Bartlett, Mugdha Polimera, Stephanie Jarmak

  13. [2309.06126] AstroLLaMA: Towards Specialized Foundation Models in Astronomy (Sep 12, 2023)
    Tuan Dung Nguyen, Yuan-Sen Ting, Ioana Ciucă, Charlie O'Neill, Ze-Chang Sun, Maja Jabłońska, Sandor Kruk, Ernest Perkowski, Jack Miller, Jason Li, Josh Peek, Kartheik Iyer, Tomasz Różański, Pranav Khetarpal, Sharaf Zaman, David Brodrick, Sergio J. Rodríguez Méndez, Thang Bui, Alyssa Goodman, Alberto Accomazzi, Jill Naiman, Jesse Cranney, Kevin Schawinski, UniverseTBD

  14. [2305.07426] The outer low-$α$ disc of the Milky Way -- I: evidence for the first pericentric passage of Sagittarius? (May 12, 2023)
    Payel Das, Yang Huang, Ioana Ciuca, Francesca Fragkoudi

  15. [2109.04059] The GALAH Survey: Chemical tagging and chrono-chemodynamics of accreted halo stars with GALAH+ DR3 and $Gaia$ eDR3 (Sep 9, 2021)
    Sven Buder, Karin Lind, Melissa K. Ness, Diane K. Feuillet, Danny Horta, Stephanie Monty, Tobias Buck, Thomas Nordlander, Joss Bland-Hawthorn, Andrew R. Casey, Gayandhi M. De Silva, Valentina D'Orazi, Ken C. Freeman, Michael R. Hayden, Janez Kos, Sarah L. Martell, Geraint F. Lewis, Jane Lin, Katharine. J. Schlesinger, Sanjib Sharma, Jeffrey D. Simpson, Dennis Stello, Daniel B. Zucker, Tomaz Zwitter, Ioana Ciuca, Jonathan Horner, Chiaki Kobayashi, Yuan-Sen Ting, Rosemary F. G. Wyse, The GALAH Collaboration

  16. [1910.14429] Spectral and spatial analysis of the dark matter subhalo candidates among Fermi Large Area Telescope unidentified sources (Oct 31, 2019)
    Javier Coronado-Blázquez, Miguel A. Sánchez-Conde, Mattia Di Mauro, Alejandra Aguirre-Santaella, Ioana Ciucă, Alberto Domínguez, Daisuke Kawata, Néstor Mirabal

  17. [1804.10175] Radial Distribution of Stellar Motions in Gaia DR2 (Apr 26, 2018)
    Daisuke Kawata, Junichi Baba, Ioana Ciucă, Mark Cropper, Robert J. J. Grand, Jason A. S. Hunt, George Seabroke