THE SPECTRAL ENERGY DISTRIBUTIONS OF FERMI BLAZARS
نویسندگان
چکیده
منابع مشابه
Spectral Energy Distributions of Gamma-ray Blazars
Average Spectral Energy Distributions (SED) for different subgroups of blazars are derived from available homogeneous (but small) data sets, including the gamma–ray band. Comparing Flat Spectrum Radio Quasars (FSRQ) with BL Lacs extracted from radio (RBL) or X–ray surveys (XBL) remarkable differences and similarities are apparent: i) in all cases the overall SED from radio to gamma–rays shows t...
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1 Modeling the Spectral Energy Distributions and Variability of Blazars M. Boettcher Astrophysical Institute, Department of Physics and Astronomy, Ohio University, Athens, OH 45701, USA In this review, re ent progress in theoreti al models for the broadband (radio through -ray) emission from blazars are summarized. The salient features of both leptoni and hadroni models are reviewed. I present ...
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We discuss the present knowledge about the Spectral Energy Distributions (SEDs) of blazars within a unified approach emphasizing overall similarities. The properties of the average SEDs of different samples of blazars suggest that more powerful sources contain on average less energetic particles. Detailed studies of TeV emitting blazars show that the energy of the particles emitting the bulk of...
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Flat Spectrum Radio Quasars (FSRQs) and BL Lac objects detected in the first three months of the Fermi survey neatly separate in the γ–ray spectral index vs γ–ray luminosity plane. BL Lac objects are less luminous and have harder spectra than broad line blazars. We suggest that this division has its origin in the different accretion regimes of the two classes of objects. Using the γ–ray luminos...
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ژورنال
عنوان ژورنال: The Astrophysical Journal Supplement Series
سال: 2016
ISSN: 1538-4365
DOI: 10.3847/0067-0049/226/2/20