# Ferellec 2026: Ion abundances in the plasma tail of 3I/ATLAS show that it is N2-rich

> Lea Ferellec, Cyrielle Opitom, Colin Snodgrass, 2026. 3 records on Mysteries Department cite it. Ferellec, L., Opitom, C., Snodgrass, C. 2026. Ion…

Source: https://mysteriesdept.com/sources/SRC0DFPWGSFSWDJ/ion-abundances-in-the-plasma-tail-of-3i-atlas-show-that-it  
Publisher: Mysteries Department  
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[Sources](https://mysteriesdept.com/sources)[3I/ATLAS](https://mysteriesdept.com/mysteries/3i-atlas)Ferellec 2026

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# Ion abundances in the plasma tail of 3I/ATLAS show that it is N2-rich

Lea Ferellec, Cyrielle Opitom, Colin Snodgrass, 2026. _MNRAS_.

WHT/WEAVE 2025-11-30 and 12-02: N2+, CO+, CO2+, H2O+, CH+; N2/CO >0.023+/-0.001, N2-rich vs Solar System comets.

**3I/ATLAS** Articledoi: **[10.1093/mnras/stag1402](https://doi.org/10.1093/mnras/stag1402)** 0

## Cited by on this site 3 records

[Its gases and tails are a comet's](https://mysteriesdept.com/mysteries/3i-atlas/evidence/EVD0DFQ53J61SHT/its-gases-and-tails-are-a-comets)

Evidence

EVD

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

The mystery article

MYS

[Roque de los Muchachos Observatory, La Palma](https://mysteriesdept.com/mysteries/3i-atlas/places/PLC0DFQ70ART8R4/roque-de-los-muchachos-observatory-la-palma)

PLC

## Cite it

```
Ferellec, L., Opitom, C., & Snodgrass, C. (2026). Ion abundances in the plasma tail of 3I/ATLAS show that it is N2-rich. MNRAS. https://doi.org/10.1093/mnras/stag1402
```

[Read it free at arxiv.org](https://arxiv.org/abs/2609.05393)

Key

**SRC** 0DFPWGSFSWDJ

Kind

Journal article

Rights

arXiv-nonexclusive

Kept

2 Nov 2026, for editors

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

The record

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