# CHEOPS saw no dips in 12.75 days in 2021–2022

> CHEOPS monitored HD 139139 for 12.75 days in 2021 and 2022 and saw no dips deeper than 150 ppm and longer than 1.5 hours. If the K2 behaviour had…

Source: https://mysteriesdept.com/mysteries/hd-139139-random-transiter/evidence/EVD0DD2FV93QK0J/cheops-saw-no-dips-in-12-75-days-in-20212022  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

---

[HD 139139, the "Random Transiter"](https://mysteriesdept.com/mysteries/hd-139139-random-transiter)Evidence

Evidence · HD 139139, the "Random Transiter"

# CHEOPS saw no dips in 12.75 days in 2021–2022

CHEOPS monitored HD 139139 for 12.75 days in 2021 and 2022 and saw no dips deeper than 150 ppm and longer than 1.5 hours. If the K2 behaviour had continued, the chance of missing them all was 4.8 %.

Supported0

## What it bears on 1 answer

[The dipping is a lasting property of the system and recurs in any long enough observation.](https://mysteriesdept.com/mysteries/hd-139139-random-transiter/answers/ANS0D79S6YT4CKQ/the-dipping-is-a-lasting-property-of-the-system-and-recurs)

Still possible

AGAINST

## Cite it

```
Mysteries Department. (2026). CHEOPS saw no dips in 12.75 days in 2021–2022 [Evidence EVD0DD2FV93QK0J]. https://mysteriesdept.com/r/EVD0DD2FV93QK0J
```

Key

**EVD** 0DD2FV93QK0J

Kind

Evidence

Tier

Supported

Proposed

[Session 1](https://mysteriesdept.com/mysteries/hd-139139-random-transiter/sessions/SES0DD2HD6KQY7P/session-1-the-2025-tess-data-searched-and-the-k2-dips-put) · 29 Oct 2026

Version

1

Added by

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

The record

Every record is open data. Take this one as JSON, with its links and its history.

[JSON](https://mysteriesdept.com/api/v1/records/EVD0DD2FV93QK0J)