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Examinez les méthodes sélectionnées côte à côte ; les lignes qui diffèrent sont mises en évidence.
| Distribution d'Occupation des Halos× | Oscillations Acoustiques des Baryons× | |
|---|---|---|
| Domaine | Astronomie | Astronomie |
| Famille | Process / pipeline | Process / pipeline |
| Année d'origine≠ | 2000 | 1970 |
| Auteur d'origine≠ | Jia Peacock | Piet Peebles |
| Type≠ | Statistical modeling method | Statistical cosmological measurement |
| Source fondatrice≠ | Peacock, J. A., & Smith, R. E. (2000). Halo occupation numbers and galaxy bias. Monthly Notices of the Royal Astronomical Society, 318(4), 1144-1156. DOI ↗ | Peebles, P. J. E., & Yu, J. T. (1970). Primeval adiabatic perturbation in an expanding universe. Astrophysical Journal, 162, 815-836. DOI ↗ |
| Alias | HOD, Halo Model, Galaxy-Halo Connection | BAO, Baryon Oscillations, Standard Ruler Method |
| Apparentées | 3 | 3 |
| Résumé≠ | Halo Occupation Distribution (HOD) modeling is a framework for relating observed galaxy clustering to the distribution of galaxies within dark matter halos. Developed by Jia Peacock and others around 2000, HOD provides a flexible, physically motivated approach to interpreting galaxy surveys and understanding how galaxies populate dark matter halos across cosmic time. | Baryon Acoustic Oscillations are imprints of sound waves in the early universe that appear as a characteristic scale in the large-scale distribution of galaxies today. First predicted theoretically by Piet Peebles and Joseph Yu in 1970, and detected observationally by the Sloan Digital Sky Survey in 2005, BAO provides a standard ruler for measuring cosmic distances and constraining the expansion history of the universe. |
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