English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Fast radio bursts (FRBs) are one of the most tantalizing mysteries of theradio sky; their progenitors and origins remain unknown and until now no rapidmultiwavelength follow-up of an FRB has been possible. New instrumentation hasdecreased the time between observation and discovery from years to seconds, andenables polarimetry to be performed on FRBs for the first time. We havediscovered an FRB (FRB 140514) in real-time on 14 May, 2014 at 17:14:11.06 UTCat the Parkes radio telescope and triggered follow-up at other wavelengthswithin hours of the event. FRB 140514 was found with a dispersion measure (DM)of 562.7(6) cm$^{-3}$ pc, giving an upper limit on source redshift of $z\lesssim 0.5$. FRB 140514 was found to be 21$\pm$7% (3-$\sigma$) circularlypolarized on the leading edge with a 1-$\sigma$ upper limit on linearpolarization $<10%$. We conclude that this polarization is intrinsic to theFRB. If there was any intrinsic linear polarization, as might be expected fromcoherent emission, then it may have been depolarized by Faraday rotation causedby passing through strong magnetic fields and/or high density environments. FRB140514 was discovered during a campaign to re-observe known FRB fields, andlies close to a previous discovery, FRB 110220; based on the difference in DMsof these bursts and time-on-sky arguments, we attribute the proximity tosampling bias and conclude that they are distinct objects. Follow-up conductedby 12 telescopes observing from X-ray to radio wavelengths was unable toidentify a variable multiwavelength counterpart, allowing us to rule out modelsin which FRBs originate from nearby ($z < 0.3$) supernovae and long durationgamma-ray bursts.

A real-time fast radio burst: polarization detection and multiwavelength follow-up