Publications by authors named "Ryan Mckinven"
Fast radio bursts (FRBs) are microsecond-to-millisecond-duration radio transients that originate mostly from extragalactic distances. The FRB emission mechanism remains debated, with two main competing classes of models: physical processes that occur within close proximity to a central engine; and relativistic shocks that propagate out to large radial distances. The expected emission-region sizes are notably different between these two types of models.
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- Fast radio bursts (FRBs) are intense signals from deep space that last for milliseconds and share some characteristics with pulsars, suggesting they may originate from neutron stars.
- Despite similarities, FRBs like 20221022A display different patterns in their linear polarization position angle (PA), particularly a 130° rotation that aligns with pulsar behaviors, hinting at magnetospheric origins.
- This study rules out short-period pulsars as potential sources for FRB 20221022A, supporting the idea that its unique PA evolution fits the rotating vector model commonly used for pulsars.
Article Synopsis
- Fast radio bursts (FRBs) are brief radio wave signals from space, occurring over milliseconds, and can be seen from billions of light-years away.
- Researchers detected a specific FRB, named 20191221A, which has a periodic separation of 216.8 milliseconds between its components, indicating a potential link to neutron stars.
- The unique characteristics of this burst, including its longer duration and multiple components, suggest that the emission likely originates from within the magnetosphere of a neutron star rather than from more distant regions.