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Estimates of Emission-Region Locations of Fermi Flat-Spectrum Radio Quasars

Zhang, Li; Yan, Dahai; Zeng, Houdun

We have studied the location of emission regions through modeling the quasi-simultaneous multifrequency spectral energy distributions of 21 Fermi flat-spectrum radio quasars (FSRQs) in the frame of a multicomponent one-zone leptonic model. In our calculations, we took the detailed broad line region (BLR) structure into account, and discussed the e…