Period Prediction of CHIME/FRB's Golden Repeater Sample - Githubissues

Thaza-Kun / sarjana

A repository to document my Masters in Physics project

https://thaza-kun.github.io/sarjana

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Period Prediction of CHIME/FRB's Golden Repeater Sample #22

Open Thaza-Kun opened 2 weeks ago

Thaza-Kun commented 2 weeks ago

Challenge

Event count too low

Suggestion

Use two periodograms together

Inspiration

Andersen+ (2023) "CHIME/FRB Discovery of 25 Repeating Fast Radio Burst Sources." doi:10.3847/1538-4357/acc6c1

Thaza-Kun commented 2 weeks ago

Method

Evaluate the power of Uniformity Measure (Chi-Square) periodogram
Evaluate the power of Inactivity Fraction periodogram
Simulate random signal with similar burst rate and use this to assign probability to the periodogram evaluation pair
True period = (Probability of chance coincidence < 0.05) & (minimum (Probability of chance coincidence) )

Scripts are in /bin