Probing the Global 21 cm Background by Velocity-induced Dipole and Quadrupole Anisotropies
The motion of an observer in the rest frame of the cosmic 21 cm background induces an anisotropy in the observed background, even when the background is isotropic. The induced anisotropy includes a dipole and a quadrupole, in the order decreasing in amplitude. If observed, these multipole anisotropi...
Guardat en:
| Autors principals: | , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
IOP Publishing
2024-01-01
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| Col·lecció: | The Astrophysical Journal |
| Matèries: | |
| Accés en línia: | https://doi.org/10.3847/1538-4357/ad2209 |
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