Published in

MDPI, Galaxies, 1(5), p. 14

DOI: 10.3390/galaxies5010014

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The Statistical Study of the Daily Fermi Light Curves of 130 Sources

Journal article published in 2017 by Wei Cai, Yi Liu, Jun H. Fan
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Data provided by SHERPA/RoMEO

Abstract

Blazars show rapid and high amplitude variability. It is interesting to question what kind of process the variability corresponds to. Maybe it is a result of the instability of the accretion flows. In this work, Fermi daily light curves of 130 sources are analyzed, and the distributions of daily variability are compared by using a Kolmogorov–Smirnov (K-S) test. The results can be summarized as follows:(1) in most cases, the distributions are not Gaussian; (2) some pairs of the distributions are similar.