García-Mejía, Juliana https://orcid.org/0000-0003-1361-985X
de Beurs, Zoë L. https://orcid.org/0000-0002-7564-6047
Tamburo, Patrick https://orcid.org/0000-0003-2171-5083
Vanderburg, Andrew https://orcid.org/0000-0001-7246-5438
Charbonneau, David https://orcid.org/0000-0002-9003-484X
Collins, Karen A. https://orcid.org/0000-0001-6588-9574
Barkaoui, Khalid https://orcid.org/0000-0003-1464-9276
Watkins, Cristilyn N. https://orcid.org/0000-0001-8621-6731
Stockdale, Chris https://orcid.org/0000-0003-2163-1437
Schwarz, Richard P. https://orcid.org/0000-0001-8227-1020
Forés-Toribio, Raquel https://orcid.org/0000-0002-6482-2180
Muñoz, Jose A. https://orcid.org/0000-0001-9833-2959
Isopi, Giovanni https://orcid.org/0000-0002-8458-0588
Mallia, Franco https://orcid.org/0000-0001-5724-1807
Zapparata, Aldo https://orcid.org/0000-0002-9428-1573
Popowicz, Adam https://orcid.org/0000-0003-3184-5228
Brudny, Andrzej
Agol, Eric https://orcid.org/0000-0002-0802-9145
Alam, Munazza K. https://orcid.org/0000-0003-4157-832X
Benkhaldoun, Zouhair https://orcid.org/0000-0001-6285-9847
Emmanuel, Jehin https://orcid.org/0000-0001-8923-488X
Ghachoui, Mourad https://orcid.org/0000-0003-3986-0297
Gillon, Michaël https://orcid.org/0000-0003-1462-7739
Horne, Keith https://orcid.org/0000-0003-1728-0304
Palle, Enric https://orcid.org/0000-0003-0987-1593
Sefako, Ramotholo https://orcid.org/0000-0003-3904-6754
Shporer, Avi https://orcid.org/0000-0002-1836-3120
Timmermans, Mathilde
Funding for this research was provided by:
Heising-Simons Foundation (NA)
MIT Pappalardo Fellowship in Physics (NA)
Fonds De La Recherche Scientifique - FNRS (T.0109.20 and PDR T.0120.21)
Fondation Francqui - Stichting (NA)
National Science Foundation (AST-2308043)
National Aeronautics and Space Administration (Subaward s3449 from MIT (TESS))
MEC ∣ Agencia Estatal de Investigación (PID2021-125627OB-C32)
EC ∣ European Regional Development Fund (NA)
Fundación Carmen y Severo Ochoa (NA)
Article Title: A Ground-based Transit Observation of the Long-period Extremely Low-density Planet HIP 41378 f
Journal Title: The Astronomical Journal
Article Type: paper
Copyright Information: © 2026. The Author(s). Published by the American Astronomical Society.
Publication dates
Date Received: 2025-06-18
Date Accepted: 2026-03-02
Online publication date: 2026-03-24