Dataset
Cosmological Parameters Dataset
The numbers that describe the universe as a whole — the matter density (Ωm), the dark-energy density (ΩΛ), the amplitude of fluctuations (σ8), and the scalar spectral index (ns).
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- Version
- 1.0.0
- Entities
- 4
- Last generated
- 2026-06-29
- License
- CC BY-SA 4.0
- Checksum
- — (published at release)
Sample (4 of 4)
| Name | Type | ID |
|---|---|---|
| Amplitude of Fluctuations (σ8) | Cosmological parameter | cosmological_parameter:sigma-8 |
| Dark Energy Density (ΩΛ) | Cosmological parameter | cosmological_parameter:dark-energy-density |
| Matter Density (Ωm) | Cosmological parameter | cosmological_parameter:matter-density |
| Scalar Spectral Index (ns) | Cosmological parameter | cosmological_parameter:scalar-spectral-index |
Source references
The primary and reference sources this topic draws on.
- Planck CollaborationESA Planck mission / Planck Collaboration
Cosmic microwave background maps and the cosmological parameters of the ΛCDM model.