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| スンニャエフ・ゼルドビッチ効果× | 弱い重力レンズ× | |
|---|---|---|
| 分野 | 天文学 | 天文学 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1972 | 1992 |
| 提唱者≠ | Rashid Sunyaev | Nick Kaiser |
| 種類≠ | Observational detection technique | Observational measurement method |
| 原典≠ | Sunyaev, R. A., & Zel'dovich, Y. B. (1972). The observations of the relic radiation as a test of the nature of X-ray radiation from clusters of galaxies. Comments on Astrophysics and Space Physics, 4(4), 173-178. link ↗ | Kaiser, N. (1992). Weak gravitational lensing of distant galaxies. Astrophysical Journal, 388, 272-286. DOI ↗ |
| 別名 | SZ Effect, Inverse Compton Scattering, SZE | Weak Lensing, Cosmic Shear, Lensing Distortion |
| 関連 | 3 | 3 |
| 概要≠ | The Sunyaev-Zel'dovich effect is a phenomenon in which the cosmic microwave background (CMB) is distorted as photons travel through hot gas in galaxy clusters. Proposed by Rashid Sunyaev and Yakov Zel'dovich in 1972, this effect provides a powerful method for detecting distant galaxy clusters and measuring fundamental cosmological parameters without distance assumptions. | Weak gravitational lensing occurs when light from distant sources bends slightly as it travels through the universe, passing through the gravitational fields of matter concentrations. Proposed theoretically by Nick Kaiser in 1992, this subtle effect has become one of the most powerful cosmological probes, directly revealing the distribution of all matter (dark and luminous) across cosmic distances. |
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