Use of fast radio burst dispersion measures as distance measures
Fast radio bursts appear to be cosmological signals whose frequency-time structure provides a dispersion measure. The dispersion measure is a convolution of the cosmic distance element and the electron density, and contains the possibility of using these events as new cosmological distance measures....
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| Veröffentlicht in: | Physical review. D 2019-10, Vol.100 (8), Article 083533 |
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| container_title | Physical review. D |
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| creator | Kumar, Pawan Linder, Eric V. |
| description | Fast radio bursts appear to be cosmological signals whose frequency-time structure provides a dispersion measure. The dispersion measure is a convolution of the cosmic distance element and the electron density, and contains the possibility of using these events as new cosmological distance measures. We explore the challenges of extracting the distance in a robust manner, and give quantitative estimates for the systematics control needed for fast radio bursts to become a competitive distance probe. The methodology can also be applied to assessing their use for mapping electron density fluctuations or helium reionization. |
| doi_str_mv | 10.1103/PhysRevD.100.083533 |
| format | Article |
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| fulltext | fulltext |
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| ispartof | Physical review. D, 2019-10, Vol.100 (8), Article 083533 |
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| language | eng |
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| source | American Physical Society Journals |
| subjects | Convolution Dispersion Distance measurement Electron density Ionization Mapping Plasma Radio bursts Variations |
| title | Use of fast radio burst dispersion measures as distance measures |
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