Peer-reviewedLicence not statedNature Astronomy
An enriched methane D/H ratio in the interstellar object 3I/ATLAS
14 affiliations
- 1Department of Physics, American University, Washington, DC, USA
- 2Solar System Exploration Division, NASA Goddard Space Flight Center, Greenbelt, MD, USA
- 3Department of Physics, Catholic University of America, Washington, DC, USA
- 4LIRA, Observatoire de Paris, Université PSL, CNRS, Sorbonne Université, Université Paris Cité, CY Cergy Paris Université, Meudon, France
- 5Department of Physics, Auburn University, Auburn, AL, USA
- 6Department of Chemistry, Biochemistry and Pharmaceutical Sciences (DCBP), Universität Bern, Bern, Switzerland
- 7Physikalisch-Meteorologisches Observatorium Davos und Weltstrahlungszentrum (PMOD/WRC), Davos Dorf, Switzerland
- 8Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
- 9Pioneering Research Institute, RIKEN, Wako, Japan
- 10Department of Astronomy, University of Maryland, College Park, MD, USA
- 11ESA NEO Coordination Centre, Planetary Defence Office, European Space Agency, Frascati, Italy
- 12Institute for Astronomy, University of Edinburgh, Royal Observatory, Edinburgh, UK
- 13Astrophysics Research Centre, School of Mathematics and Physics, Queen’s University Belfast, Belfast, UK
- 14Northern Arizona University, Department of Astronomy and Planetary Science, Flagstaff, AZ, USA
Related
- High water D/H ratio of the interstellar object 3I/ATLAS is consistent with a low-metallicity origin
- Delayed Methane Detection in 3I/ATLAS: GCR-Driven Subsurface Stratification and Interstellar Exposure Age Constraints
- Delayed Methane Detection in 3I/ATLAS: Galactic Cosmic Ray–Driven Subsurface Stratification and Interstellar Exposure Age Constraints
- Interstellar Object 3I/ATLAS Observed from Mars by China’s Tianwen-1 Spacecraft
- Coma Physics of an Interstellar Object: JWST Spatial–Spectral Mapping of 3I/ATLAS
BibTeX
@article{roth2026enriched,
title = {{An enriched methane D/H ratio in the interstellar object 3I/ATLAS}},
author = {Nathan X. Roth and Martin Cordiner and Stefanie N. Milam and Geronimo Luis Villanueva and Steven B. Charnley and N. Biver and Dominique Bockelée-Morvan and Dennis Bodewits and Jacques Crovisier and M. N. Drozdovskaya and Davide Farnocchia and Kenji Furuya and Michael S. P. Kelley and M. Micheli and John W. Noonan and Cyrielle Opitom and Megan E. Schwamb and Cristina A. Thomas},
journal = {Nature Astronomy},
year = {2026},
month = oct,
doi = {10.1038/s41550-026-03002-5},
url = {https://arxiv.org/abs/2603.20445},
}
RIS
TY - JOUR
TI - An enriched methane D/H ratio in the interstellar object 3I/ATLAS
AU - Nathan X. Roth
AU - Martin Cordiner
AU - Stefanie N. Milam
AU - Geronimo Luis Villanueva
AU - Steven B. Charnley
AU - N. Biver
AU - Dominique Bockelée-Morvan
AU - Dennis Bodewits
AU - Jacques Crovisier
AU - M. N. Drozdovskaya
AU - Davide Farnocchia
AU - Kenji Furuya
AU - Michael S. P. Kelley
AU - M. Micheli
AU - John W. Noonan
AU - Cyrielle Opitom
AU - Megan E. Schwamb
AU - Cristina A. Thomas
PY - 2026
DA - 2026/10/23
JO - Nature Astronomy
DO - 10.1038/s41550-026-03002-5
UR - https://arxiv.org/abs/2603.20445
SN - 2397-3366
ER -