The luminosity correlation analysis for Fermi blazars
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The multiple linear correlation indicates that the \(\gamma \)-rays are correlated with the radio, optical and the X-ray emissions for the whole sample and the subclasses of flat spectrum radio quasars (FSRQs) and BL Lac objects (BL Lacs), the correlation between the \(\gamma \)-rays and the radio emissions is the strongest one.
For BL Lacs, the optical emissions are more important than the X-rays for the \(\gamma \)-rays, while the X-ray emissions are more important than optical ones in FSRQs.
The \(\gamma \)-ray emissions in HBL are from an synchrotron self-Compton, while those in FSRQs may be from external Compton and synchrotron self-Compton as well.
KeywordsBL Lacertae objects: general Galaxies: active Galaxies: jets Quasars: general
We would like to thank the anonymous referee for the useful comments and constructive suggestions. The work is partially supported by the National Natural Science Foundation of China (11733001, U1531245, NSFC 10633010, NSFC 11173009), Natural Science Foundation of Guangdong Province (2017A030313011), Guangdong Innovation Team for Astrophysics (2014KCXTD014), and supports for Astrophysics Key Subjects of Guangdong Province and Guangzhou City.
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