Searches for radio transients
N. D. R. Bhat (1,2) ((1) Centre for Astrophysics, Supercomputing,, Swinburne University of Technology, Hawthorn, Victoria, Australia, (2), Australian Research Council Centre of Excellence for All-Sky Astrophysics, (CAASTRO))

TL;DR
This paper reviews the search for fast radio transients, discussing detection techniques, challenges, and current efforts, highlighting the potential of next-generation radio telescopes to advance understanding of these energetic phenomena.
Contribution
It provides a comprehensive overview of methods, challenges, and ongoing efforts in detecting fast radio transients, emphasizing future prospects with new radio arrays.
Findings
Current large-scale surveys have discovered several fast transients.
Detection of fast transients requires advanced signal processing techniques.
Next-generation radio telescopes will significantly enhance transient detection capabilities.
Abstract
Exploration of the transient Universe is an exciting and fast-emerging area within radio astronomy. Known transient phenomena range in time scales from sub-nanoseconds to years or longer, thus spanning a huge range in time domain and hinting a rich diversity in their underlying physical processes. Transient phenomena are likely locations of explosive or dynamic events and they offer tremendous potential to uncover new physics and astrophysics. A number of upcoming next-generation radio facilities and recent advances in computing and instrumentation have provided a much needed impetus for this field which has remained a relatively uncharted territory for the past several decades. In this paper we focus mainly on the class of phenomena that occur on very short time scales (i.e. from milliseconds to nanoseconds), known as {\it fast transients}, the detections of which involve…
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