# Zhao 2026: Post-perihelion Coma Composition of the Interstellar Comet 3I/ATLAS from Optical Spectroscopy

> Ruining Zhao, Xiliang Zhang, Bin Yang, 2026. 2 records on Mysteries Department cite it. Zhao, R., Zhang, X., Yang, B. et al. 2026. Post-perihelion Coma…

Source: https://mysteriesdept.com/sources/SRC0DFPWGSFX1HR/post-perihelion-coma-composition-of-the-interstellar-comet  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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# Post-perihelion Coma Composition of the Interstellar Comet 3I/ATLAS from Optical Spectroscopy

Ruining Zhao, Xiliang Zhang, Bin Yang, 2026. _ApJL_.

Dec 2025-Jan 2026: less C2-depleted after perihelion; metals follow the metal-CO correlation (carbonyl link); [O I] residual.

**3I/ATLAS** Articledoi: **[10.3847/2041-8213/ae73fe](https://doi.org/10.3847/2041-8213/ae73fe)** 0

## Cited by on this site 2 records

[After perihelion the metals follow CO](https://mysteriesdept.com/mysteries/3i-atlas/evidence/EVD0DFQ46MX9MYT/after-perihelion-the-metals-follow-co)

Evidence

EVD

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

The mystery article

MYS

## Cite it

```
Zhao, R., Zhang, X., & Yang, B. (2026). Post-perihelion Coma Composition of the Interstellar Comet 3I/ATLAS from Optical Spectroscopy. ApJL. https://doi.org/10.3847/2041-8213/ae73fe
```

[Read it free at arxiv.org](https://arxiv.org/abs/2603.07718)

Key

**SRC** 0DFPWGSFX1HR

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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