# Hoogendam 2025: Spatial Profiles of 3I/ATLAS CN and Ni Outgassing from Keck/KCWI Integral Field Spectroscopy

> W. B. Hoogendam, B. J. Shappee, J. J. Wray, 2025. 2 records on Mysteries Department cite it. Hoogendam, W., Shappee, B., Wray, J. et al. 2025. Spatial…

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[Sources](https://mysteriesdept.com/sources)[3I/ATLAS](https://mysteriesdept.com/mysteries/3i-atlas)Hoogendam 2025

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# Spatial Profiles of 3I/ATLAS CN and Ni Outgassing from Keck/KCWI Integral Field Spectroscopy

W. B. Hoogendam, B. J. Shappee, J. J. Wray, 2025. _arXiv_.

Keck/KCWI 2025-08-24: e-folding radii 593.7+/-14.8 km (Ni) and 841.0+/-15.4 km (CN); Ni more centrally concentrated.

**3I/ATLAS** Preprint0

## Cited by on this site 2 records

[Nickel from 3.1 au, iron only inside 2.6 au](https://mysteriesdept.com/mysteries/3i-atlas/evidence/EVD0DFQ4JNJ6RZ0/nickel-from-3-1-au-iron-only-inside-2-6-au)

Evidence

EVD

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

The mystery article

MYS

## Cite it

```
Hoogendam, W. B., Shappee, B. J., & Wray, J. J. (2025). Spatial Profiles of 3I/ATLAS CN and Ni Outgassing from Keck/KCWI Integral Field Spectroscopy. arXiv. https://arxiv.org/abs/2510.11779
```

[Read it free at arxiv.org](https://arxiv.org/abs/2510.11779)

Key

**SRC** 0DFPWGSFD4B9

Kind

Preprint

Rights

arXiv-nonexclusive

Kept

2 Nov 2026, for editors

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

The record

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