# Polynomial fitting of the JCMT spectrum produces false positives.

> Polynomial fitting of the JCMT spectrum produces false positives.

Source: https://mysteriesdept.com/mysteries/venus-phosphine/evidence/EVD0CQY1Y4Y7ZSH/polynomial-fitting-of-the-jcmt-spectrum-produces-false  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

---

[Phosphine in the clouds of Venus](https://mysteriesdept.com/mysteries/venus-phosphine)Evidence

Evidence · Phosphine in the clouds of Venus

# Polynomial fitting of the JCMT spectrum produces false positives.

Polynomial fitting of the JCMT spectrum produces false positives.

Supported0

## What it bears on 1 answer

[The feature is an artefact of baseline fitting and calibration, not a property of Venus.](https://mysteriesdept.com/mysteries/venus-phosphine/answers/ANS0CQY1XNA2472/the-feature-is-an-artefact-of-baseline-fitting-and)

Disputed

FOR

## Cite it

```
Mysteries Department. (2026). Polynomial fitting of the JCMT spectrum produces false positives. [Evidence EVD0CQY1Y4Y7ZSH]. https://mysteriesdept.com/r/EVD0CQY1Y4Y7ZSH
```

Key

**EVD** 0CQY1Y4Y7ZSH

Kind

Evidence

Tier

Supported

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/EVD0CQY1Y4Y7ZSH)