# IRTF/TEXES infrared spectra give a 3-sigma limit of 5 ppbv near the cloud tops.

> IRTF/TEXES infrared spectra give a 3-sigma limit of 5 ppbv near the cloud tops.

Source: https://mysteriesdept.com/mysteries/venus-phosphine/evidence/EVD0CQY203E64PW/irtf-texes-infrared-spectra-give-a-3-sigma-limit-of-5-ppbv  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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

Evidence · Phosphine in the clouds of Venus

# IRTF/TEXES infrared spectra give a 3-sigma limit of 5 ppbv near the cloud tops.

IRTF/TEXES infrared spectra give a 3-sigma limit of 5 ppbv near the cloud tops.

Supported0

## What it bears on 1 answer

[The absorption is phosphine.](https://mysteriesdept.com/mysteries/venus-phosphine/answers/ANS0CQY1YWC27F9/the-absorption-is-phosphine)

Disputed

AGAINST

## Cite it

```
Mysteries Department. (2026). IRTF/TEXES infrared spectra give a 3-sigma limit of 5 ppbv near the cloud tops. [Evidence EVD0CQY203E64PW]. https://mysteriesdept.com/r/EVD0CQY203E64PW
```

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**EVD** 0CQY203E64PW

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