# Sheikh 2025: A Search for Radio Technosignatures from Interstellar Object 3I/ATLAS with the Allen Telescope Array

> Sofia Z. Sheikh, Valeria Garcia Lopez, Isabel Gerrard et al., 2025. 1 records on Mysteries Department cite it. The second radio search of 3I.

Source: https://mysteriesdept.com/sources/SRC0CSKBG8Y667Z/a-search-for-radio-technosignatures-from-interstellar-object  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Sources](https://mysteriesdept.com/sources)[1I/'Oumuamua](https://mysteriesdept.com/mysteries/oumuamua)Sheikh 2025

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# A Search for Radio Technosignatures from Interstellar Object 3I/ATLAS with the Allen Telescope Array

Sofia Z. Sheikh, Valeria Garcia Lopez, Isabel Gerrard et al., 2025. _arXiv_.

Allen Telescope Array observations of 3I at 1-9 GHz, 7.25 hours, 74 million narrowband hits filtered to 211 and inspected; nothing worth follow-up, with power limits of 10-110 W.

**1I/'Oumuamua** Preprintdoi: **[10.3847/1538-3881/ae6651](https://doi.org/10.3847/1538-3881/ae6651)** Checked against the original0

## What it's used for here

The second radio search of 3I.

## Cited by on this site 1 record

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

The mystery article

MYS

## Cite it

```
Sheikh, S. Z., Garcia Lopez, V., Gerrard, I., Davenport, J. R. A., Farah, W., Griffin, B., Croft, S., & Cruz, L. F. (2025). A Search for Radio Technosignatures from Interstellar Object 3I/ATLAS with the Allen Telescope Array. arXiv. https://doi.org/10.3847/1538-3881/ae6651
```

[Read it free at arxiv.org](https://arxiv.org/abs/2512.18142)

Key

**SRC** 0CSKBG8Y667Z

Kind

Preprint

Rights

arXiv-nonexclusive

Kept

27 Oct 2026, for editors

Checked

Against the published original

Added by

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

The record

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[CSL-JSON](https://mysteriesdept.com/sources/SRC0CSKBG8Y667Z/a-search-for-radio-technosignatures-from-interstellar-object/csl.json)