3-7 noviembre 2025
Europe/Madrid timezone

A new method for unbiased transient search in IACT archival data

No programado
15m
Poster Gamma rays

Ponente

Elia do Souto Espiñeira (CIEMAT)

Descripción

The MAGIC telescopes have been in operation for more than 20 years, after which thousands of hours of data have been collected. In spite of this, a large fraction of data sits underutilized after the analysis on the target source has been completed. The relatively small FoV of current generation IACTs results in a target based observation strategy, where telescopes are pointed to a gamma-ray source and a fraction of the FoV is used for simultaneous background estimation. Since no gamma-ray signal is expected past the target region, up to 90% of the FoV is not inspected for serendipitous signals, such as those from transient sources. In this talk I'll present a new method of IACT data analysis for the unbiased search for transient signals in archival data. This method monitors flux changes in any point of the FoV and compares it to the appropriate background flux to detect transients of different timescales. In the case of null detection, I set upper limits on the number of signals per year and flux for a transient phenomenon with known spectrum and timescale.

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