Journal Article

Kolmogorov–Smirnov test as a tool to study the distribution of ultra-high energy cosmic ray sources

D. Harari, S. Mollerach and E. Roulet

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 394, issue 2, pages 916-922
Published in print April 2009 | ISSN: 0035-8711
Published online March 2009 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-2966.2008.14327.x
Kolmogorov–Smirnov test as a tool to study the distribution of ultra-high energy cosmic ray sources

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We analyse in detail the two-dimensional Kolmogorov–Smirnov test as a tool to learn about the distribution of the sources of the ultra-high energy cosmic rays. We confront, in particular, models based on active galactic nuclei observed in X-rays, galaxies observed in H i and isotropic distributions, discussing how this method can be used not only to reject isotropy but also to support or reject specific source models, extending results obtained recently in the literature.

Keywords: cosmic rays; galaxies: statistics

Journal Article.  5846 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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