# IRTF/TEXES infrared spectra of Venus, March 2015

> Archival spectra near 950 cm⁻¹ that set a 3-sigma limit of 5 ppbv on phosphine near the cloud tops, below the claimed abundance.

Source: https://mysteriesdept.com/mysteries/venus-phosphine/artifacts/ART0CQY28582797/irtf-texes-infrared-spectra-of-venus-march-2015  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

---

[Mysteries](https://mysteriesdept.com/mysteries)[Phosphine in the clouds of Venus](https://mysteriesdept.com/mysteries/venus-phosphine)[Artifacts](https://mysteriesdept.com/mysteries/venus-phosphine#artifacts)IRTF/TEXES infrared spectra of Venus, March 2015

**ART** 0CQY28582797·Artifact · recording

# IRTF/TEXES infrared spectra of Venus, March 2015

RecordingCC-BY-4.0Recorded March 2015; searched for phosphine in 2020

[Cite]

**Not kept here.** This copy isn't ours to show. [See it where it's published](https://doi.org/10.1051/0004-6361/202039559).

Archival spectra near 950 cm⁻¹ that set a 3-sigma limit of 5 ppbv on phosphine near the cloud tops, below the claimed abundance.

Encrenaz and colleagues, 2015. CC-BY-4.0

## Copies 1

**Document** Encrenaz and colleagues · doi.org · 2020 · CC-BY-4.0Primary source: [A stringent upper limit of the PH3 abundance at the cloud top of Venus](https://mysteriesdept.com/sources/SRC0CQY1J645WRC/a-stringent-upper-limit-of-the-ph3-abundance-at-the-cloud)2 steps from the original

[Where it's published](https://doi.org/10.1051/0004-6361/202039559)

## Where it is kept

[NASA Infrared Telescope Facility, Maunakea, Hawaii](https://mysteriesdept.com/records/PLC0CQY1QJ05DKA/nasa-infrared-telescope-facility-maunakea-hawaii) · Infrared telescope

## Sources 1

- [A stringent upper limit of the PH3 abundance at the cloud top of Venus](https://mysteriesdept.com/sources/SRC0CQY1J645WRC/a-stringent-upper-limit-of-the-ph3-abundance-at-the-cloud)_SRC_

## Cite it

```
Mysteries Department. (2026). IRTF/TEXES infrared spectra of Venus, March 2015 [Artifact ART0CQY28582797]. https://mysteriesdept.com/r/ART0CQY28582797
```

Key

**ART** 0CQY28582797

Kind

Recording

Held by

NASA Infrared Telescope Facility

Dated

recorded March 2015; searched for phosphine in 2020

Licence

CC-BY-4.0

Place

[NASA Infrared Telescope Facility, Maunakea, Hawaii](https://mysteriesdept.com/records/PLC0CQY1QJ05DKA/nasa-infrared-telescope-facility-maunakea-hawaii)

Part of

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

The record

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[JSON](https://mysteriesdept.com/api/v1/records/ART0CQY28582797)