Wavelets Applied to the Detection of Point Sources of UHECRs

Details Wavelets Applied to the Detection of Point Sources of UHECRs Wavelets Applied to the Detection of Point Sources of UHECRs

2010-12-16

arxiv.org/abs/1012.3645v2

Physicae Proceedings, vol. 1, pp. 1-6, 2010

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

9 pages, 8 figures. Proceedings of the Young Researchers Meeting, 2010. Available in: http://www.ifi.unicamp.br/physicae/ojs

Scientific paper

10.5196/physicae.proceedings.XEJ

In this work we analyze the effect of smoothing maps containing arrival directions of cosmic rays with a gaussian kernel and kernels of the mexican hat wavelets of orders 1, 2 and 3. The analysis is performed by calculating the amplification of the signal-to-noise ratio for several anisotropy patterns (noise) and different number of events coming from a simulated source (signal) for an ideal detector capable of observing the full sky with equal probability. We extend this analysis for a virtual detector located within the array of detectors of the Pierre Auger Observatory, considering an acceptance law.

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