# Biver 2026: Perihelion observations of interstellar comet 3I/ATLAS with the IRAM 30-m telescope

> N. Biver, D. Bockelée-Morvan, R. Moreno, 2026. 2 records on Mysteries Department cite it. Biver, N., Bockelée-Morvan, D., Moreno, R. et al. 2026.…

Source: https://mysteriesdept.com/sources/SRC0DFPWGSFY5TA/perihelion-observations-of-interstellar-comet-3i-atlas-with  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Sources](https://mysteriesdept.com/sources)[3I/ATLAS](https://mysteriesdept.com/mysteries/3i-atlas)Biver 2026

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# Perihelion observations of interstellar comet 3I/ATLAS with the IRAM 30-m telescope

N. Biver, D. Bockelée-Morvan, R. Moreno, 2026. _A&A 708, L16_.

IRAM 2025-11-01/03: HCN, CH3OH, CO, H2CO detected, CS and CH3CN ~4 sigma, no H2S; low S/C; unusually low gas expansion velocity.

**3I/ATLAS** Articledoi: **[10.1051/0004-6361/202659316](https://doi.org/10.1051/0004-6361/202659316)** 0

## Cited by on this site 2 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

## Cite it

```
Biver, N., Bockelée-Morvan, D., & Moreno, R. (2026). Perihelion observations of interstellar comet 3I/ATLAS with the IRAM 30-m telescope. A&A 708, L16. https://doi.org/10.1051/0004-6361/202659316
```

[Read it free at arxiv.org](https://arxiv.org/abs/2603.23240)

Key

**SRC** 0DFPWGSFY5TA

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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