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The Intrinsic Properties of Multiwavelength Energy Spectra for Fermi Teraelectronvolt Blazars by Zhou, R. X.; Zheng, Y. G.; Zhu, K. R.; Kang, S. J. is a scholarly article available to read on EtoBox.

What is The Intrinsic Properties of Multiwavelength Energy Spectra for Fermi Teraelectronvolt Blazars about?

In this paper, we have selected a sample of 64 teraelectronvolt blazars, with redshift, from those classified in the fourth Fermi Large Area Telescope source catalog\footnote{\url{https://fermi.gsfc.nasa.gov/ssc/data/access/lat/8yr_catalog/}}. We have obtained the values of the relevant physical parameters by performing a log-parabolic fitting of the average-state multiwavelength spectral energy distributions. We estimate the range of the radiation zone parameters, such as the Doppler factor (${D}$), the magnetic field strength ($B$), the radiative zone radius ($R$) and the peak Lorentz factor (${\gamma _{\rm p}}$) of nonthermal electrons. Here, we show that (1) there is a strong linear positive correlation between the intrinsic synchrotron peak frequency and the intrinsic inverse Compton scattering (ICs) peak frequency among different types of blazars; (2) if radio bands are excluded, the spectral index of each band is negatively correlated with the intrinsic peak frequency; (3) there is a strong linear negative correlation between the curvature at the peak and the intrinsic peak frequency of the synchrotron bump, and a weak positive correlation between the curvature at the peak a

Author

Zhou, R. X.; Zheng, Y. G.; Zhu, K. R.; Kang, S. J.

Published

2021

Language

EN