# Cyrielle Opitom · Person

> University of Edinburgh; first VLT spectrum and the CN isotope ratios. In 3I/ATLAS.

Source: https://mysteriesdept.com/mysteries/3i-atlas/people/FIG0DFQ70ARXJ47/cyrielle-opitom  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[3I/ATLAS](https://mysteriesdept.com/mysteries/3i-atlas)[People](https://mysteriesdept.com/people)Cyrielle Opitom

Person · in 1 mystery

# Cyrielle Opitom

University of Edinburgh; first VLT spectrum and the CN isotope ratios

[3I/ATLAS](https://mysteriesdept.com/mysteries/3i-atlas)[2 events][2 sources]

Cyrielle Opitom is a University of Edinburgh astronomer, and appears in the record of 3I/ATLAS as University of Edinburgh; first VLT spectrum and the CN isotope ratios.

Two events on the site involve Opitom, from First spectrum: a red, all-dust coma (3 Jul 2025) to VLT nitrogen and carbon isotopes published (6 Jul 2026).

Written from the site's records. [Improve it](https://mysteriesdept.com/developers)

## In the mysteries

**3I/ATLAS**

University of Edinburgh; first VLT spectrum and the CN isotope ratios · 2 events · 2 sources

[The mystery ](https://mysteriesdept.com/mysteries/3i-atlas)

## What Cyrielle Opitom did 2

3 Jul 2025[First spectrum: a red, all-dust coma](https://mysteriesdept.com/mysteries/3i-atlas/events/EVT0DFQ70AS016Q/first-spectrum-a-red-all-dust-coma)

at [Paranal Observatory (VLT), Chile](https://mysteriesdept.com/mysteries/3i-atlas/places/PLC0DFQ70ARY4NJ/paranal-observatory-vlt-chile) · with [European Southern Observatory](https://mysteriesdept.com/mysteries/3i-atlas/organisations/ORG0DFQ70ART71S/european-southern-observatory)

6 Jul 2026[VLT nitrogen and carbon isotopes published](https://mysteriesdept.com/mysteries/3i-atlas/events/EVT0DFQ70AS0TE6/vlt-nitrogen-and-carbon-isotopes-published)

at [Paranal Observatory (VLT), Chile](https://mysteriesdept.com/mysteries/3i-atlas/places/PLC0DFQ70ARY4NJ/paranal-observatory-vlt-chile) · with [European Southern Observatory](https://mysteriesdept.com/mysteries/3i-atlas/organisations/ORG0DFQ70ART71S/european-southern-observatory)

## Organisations 1

[European Southern Observatory](https://mysteriesdept.com/mysteries/3i-atlas/organisations/ORG0DFQ70ART71S/european-southern-observatory)

ORG

## Places 1

[Paranal Observatory (VLT), Chile](https://mysteriesdept.com/mysteries/3i-atlas/places/PLC0DFQ70ARY4NJ/paranal-observatory-vlt-chile)

observatory

PLC

## Sources 2

[Snapshot of a new interstellar comet: 3I/ATLAS has a red and featureless spectrum](https://mysteriesdept.com/sources/SRC0DFPWGSEXEFA/snapshot-of-a-new-interstellar-comet-3i-atlas-has-a-red-and)

SRC

[High nitrogen and carbon isotopic ratios in the interstellar comet 3I/ATLAS](https://mysteriesdept.com/sources/SRC0DFPWGSFTSQF/high-nitrogen-and-carbon-isotopic-ratios-in-the-interstellar)

SRC

## Cite it

```
Mysteries Department. (2026). Cyrielle Opitom [Person FIG0DFQ70ARXJ47]. https://mysteriesdept.com/r/FIG0DFQ70ARXJ47
```

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Key

**FIG** 0DFQ70ARXJ47

Record

Person

Occupation

University of Edinburgh; first VLT spectrum and the CN isotope ratios

Identity

University of Edinburgh astronomer

In

[3I/ATLAS](https://mysteriesdept.com/mysteries/3i-atlas)

Version

1

Added by

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

**How this page is made.** The dates, occupation and identity line come from Wikidata (CC0); the portrait is a free file from Wikimedia Commons. Everything else is the site's own record of what this person did in the mysteries.

The record

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[JSON](https://mysteriesdept.com/api/v1/records/FIG0DFQ70ARXJ47)
