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54 papers
Magnetic Field Amplification and Flat Spectrum Radio Quasars
Xuhui Chen, Ritaban Chatterjee, Haocheng Zhang +10
We perform time-dependent, spatially-resolved simulations of blazar emission to evaluate several flaring scenarios related to magnetic-field amplification and enhanced particle acc…
A Time Resolved Study of the Broad Line Region in Blazar 3C 454.3
Jedidah C. Isler, C. Megan Urry, Paolo Coppi +6
We present multi-epoch optical observations of the blazar 3C 454.3 (z = 0.859) from 2008 August through 2011 December, using the SMARTS Consortium 1.5m+RCSpectrograph and 1.3m+ANDI…
Magnetic Field Amplification and Blazar Flares
Xuhui Chen, Ritaban Chatterjee, Giovanni Fossati +1
Recent multiwavelength observations of PKS 0208-512 by SMARTS, Fermi, and Swift revealed that gamma-ray and optical light curves of this flat spectrum radio quasars are highly corr…
The Contrasting Nature of Gamma-Ray/Optical Variability in the Blazar PKS 0208-512 During Successive Outbursts
Ritaban Chatterjee, G. Fossati, C. M. Urry +6
The Yale/SMARTS optical-near-IR monitoring program has followed the variations in emission of the Fermi-LAT monitored blazars in the southern sky with closely spaced observations s…
An Optical-Near-Infrared Outburst with No Accompanying Gamma-Rays in the Blazar PKS 0208-512
Ritaban Chatterjee, G. Fossati, C. M. Urry +6
We report the discovery of an anomalous flare in a bright blazar, namely, PKS 0208-512, one of the targets of the Yale/SMARTS optical-near-infrared (OIR) monitoring program of Ferm…
Time-dependent simulations of emission from FSRQ PKS1510-089: multiwavelength variability of external Compton and SSC models
Xuhui Chen, Giovanni Fossati, Edison Liang +1
[abridged] We present results of modeling the SED and multiwavelength variability of the bright FSRQ PKS1510-089 with our time-dependent multizone Monte Carlo/Fokker-Planck code (C…