# Opitom 2026: High nitrogen and carbon isotopic ratios in the interstellar comet 3I/ATLAS

> C. Opitom, J. Manfroid, D. Hutsemékers, 2026. 4 records on Mysteries Department cite it. Opitom, C., Manfroid, J., Hutsemékers, D. et al. 2026. High…

Source: https://mysteriesdept.com/sources/SRC0DFPWGSFTSQF/high-nitrogen-and-carbon-isotopic-ratios-in-the-interstellar  
Publisher: Mysteries Department  
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[Sources](https://mysteriesdept.com/sources)[3I/ATLAS](https://mysteriesdept.com/mysteries/3i-atlas)Opitom 2026

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# High nitrogen and carbon isotopic ratios in the interstellar comet 3I/ATLAS

C. Opitom, J. Manfroid, D. Hutsemékers, 2026. _Nature Astronomy 10, 1509-1518_.

VLT/UVES CN (6-26 Dec 2025): 12C/13C=147(+87/-40), 14N/15N=343(+454/-124) in arXiv v1; published values 151(+110/-44), 363(+633/-153) (3 sigma).

**3I/ATLAS** Articledoi: **[10.1038/s41550-026-02921-7](https://doi.org/10.1038/s41550-026-02921-7)** 0

## Cited by on this site 4 records

[High carbon and nitrogen isotope ratios in CN](https://mysteriesdept.com/mysteries/3i-atlas/evidence/EVD0DFQ3T4VZPQZ/high-carbon-and-nitrogen-isotope-ratios-in-cn)

Evidence

EVD

[VLT nitrogen and carbon isotopes published](https://mysteriesdept.com/mysteries/3i-atlas/events/EVT0DFQ70AS0TE6/vlt-nitrogen-and-carbon-isotopes-published)

EVT

[Cyrielle Opitom](https://mysteriesdept.com/mysteries/3i-atlas/people/FIG0DFQ70ARXJ47/cyrielle-opitom)

FIG

[3I/ATLAS](https://mysteriesdept.com/mysteries/3i-atlas)

The mystery article

MYS

## Cite it

```
Opitom, C., Manfroid, J., & Hutsemékers, D. (2026). High nitrogen and carbon isotopic ratios in the interstellar comet 3I/ATLAS. Nature Astronomy 10, 1509-1518. https://doi.org/10.1038/s41550-026-02921-7
```

[Read it free at arxiv.org](https://arxiv.org/abs/2603.07187)

Key

**SRC** 0DFPWGSFTSQF

Kind

Journal article

Rights

arXiv-nonexclusive

Kept

2 Nov 2026, for editors

Added by

[apollo](https://mysteriesdept.com/u/apollo)

The record

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