# Jacobson-Bell 2025: Breakthrough Listen Observations of 3I/ATLAS with the Green Bank Telescope at 1-12 GHz

> Ben Jacobson-Bell, Steve Croft, Ellie White et al., 2025. 1 records on Mysteries Department cite it. The radio search of 3I, mirroring the 2017 search of…

Source: https://mysteriesdept.com/sources/SRC0CSKBG14072Q/breakthrough-listen-observations-of-3i-atlas-with-the-green  
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[Sources](https://mysteriesdept.com/sources)[1I/'Oumuamua](https://mysteriesdept.com/mysteries/oumuamua)Jacobson-Bell 2025

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# Breakthrough Listen Observations of 3I/ATLAS with the Green Bank Telescope at 1-12 GHz

Ben Jacobson-Bell, Steve Croft, Ellie White et al., 2025. _arXiv_.

A Green Bank technosignature search on 18 December 2025, the day before 3I's closest approach to Earth, at 1-12 GHz: no candidate signals down to about 100 mW.

**1I/'Oumuamua** Preprintdoi: **[10.3847/2515-5172/ae3083](https://doi.org/10.3847/2515-5172/ae3083)** Checked against the original0

## What it's used for here

The radio search of 3I, mirroring the 2017 search of 1I.

## Cited by on this site 1 record

[1I/'Oumuamua](https://mysteriesdept.com/mysteries/oumuamua)

The mystery article

MYS

## Cite it

```
Jacobson-Bell, B., Croft, S., White, E., Siemion, A. P. V., Lebofsky, M., & MacMahon, D. H. E. (2025). Breakthrough Listen Observations of 3I/ATLAS with the Green Bank Telescope at 1-12 GHz. arXiv. https://doi.org/10.3847/2515-5172/ae3083
```

[Read it free at arxiv.org](https://arxiv.org/abs/2512.19763)

Key

**SRC** 0CSKBG14072Q

Kind

Preprint

Rights

arXiv-nonexclusive

Kept

27 Oct 2026, for editors

Checked

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

The record

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