Paek, Gregory S. H. https://orcid.org/0000-0002-6639-6533
Im, Myungshin https://orcid.org/0000-0002-8537-6714
Jeong, Mankeun https://orcid.org/0009-0003-1280-0099
Choi, Hyeonho https://orcid.org/0000-0003-4422-6426
Bach, Yoonsoo P. https://orcid.org/0000-0002-2618-1124
Ishiguro, Masateru https://orcid.org/0000-0002-7332-2479
Lim, Bumhoo https://orcid.org/0000-0002-8244-4603
Chang, Seo-Won https://orcid.org/0000-0002-3118-8275
Kim, Ji Hoon https://orcid.org/0000-0002-1418-3309
Geem, Jooyeon https://orcid.org/0000-0002-3291-4056
Hoogendam, Willem B. https://orcid.org/0000-0003-3953-9532
Funding for this research was provided by:
Ministry of Science and ICT, South Korea (2021M3F7A1084525)
NASA SSO Near Earth Observation Program (80NSSC18K0971)
NASA SSO Near Earth Observation Program (NNX14AM74G)
NASA SSO Near Earth Observation Program (NNX12AR65G)
NASA SSO Near Earth Observation Program (NNX13AQ47G)
NASA SSO Near Earth Observation Program (NNX08AR22G)
NASA SSO Near Earth Observation Program (80NSSC21K1572)
Ministry of Science and ICT, South Korea (RS-2023-00245013)
Ministry of Science and ICT, South Korea (2020R1A2C3011091)
Ministry of Science and ICT, South Korea (RS-2021-II212068)
Ministry of Science and ICT, South Korea (RS-2025-00573214)
Ministry of Science and ICT, South Korea (RS-2025-25436385)
NSF ∣ National Science Foundation Graduate Research Fellowship Program (2236415)
Article Title: Pre-perihelion Emergence of the CN Gas Coma in 3I/ATLAS Temporally and Spatially Resolved by the 7-dimensional Telescope
Journal Title: The Astrophysical Journal
Article Type: paper
Copyright Information: © 2026. The Author(s). Published by the American Astronomical Society.
Publication dates
Date Received: 2025-12-28
Date Accepted: 2026-02-12
Online publication date: 2026-03-12