Long trains of quasi-periodic microstructures in PSR J0034−0721
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ID: 327836
2026
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Abstract
Abstract Pulsar microstructure probes the shortest coherent timescales of radio emission. Using extremely sensitive, high-time-resolution FAST observations of PSR J0034−0721 with a sampling rate of 8.192μs, we identified 33 trains of quasi-periodically oscillating micropulses. Strikingly, such micropulse trains consist of tens of micropulses, and the longest train has at least 143 micropulses. The characteristic quasi-period of quasi-periodic micropulses from these 33 trains is $89^{+88}_{-44}$ μs, one magnitude smaller than the expected value from the famous empirical Pμ–P0 relation given by Kramer et al. (2024).
| Reference Key |
openalex_W7211900077
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|---|---|
| Authors | Tao Wang, N N Cai, J L Han |
| Journal | monthly notices of the royal astronomical society |
| Year | 2026 |
| DOI |
10.1093/mnras/stag1683
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| URL | |
| Keywords | Keywords not found |
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