Other
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...201.1102b&link_type=abstract
American Astronomical Society, 201st AAS Meeting, #11.02; Bulletin of the American Astronomical Society, Vol. 34, p.1109
Other
Scientific paper
We summarize the results of a recent parameter study of various generic leptonic jet models for the broadband spectra and spectral variability of intermediate (IBLs) and low-frequency peaked BL Lac objects (LBLs). In this study, specific X-ray variability signatures of SSC-dominated versus external-Compton dominated gamma-ray production scenarios were identified. We present specific model fits to data from recent broadband campaigns on BL Lacertae, W Comae, and other BL Lac objects. The spectral fitting of several IBLs and LBLs indicates that a non-negligible contribution of an external-Compton component is required to produce acceptable broadband fits. We derive detailed predictions of X-ray spectral variability patterns based on this and alternative, purely SSC-based model scenarios. Such X-ray variability signatures should be observable with future observations by Chandra and/or XMM-Newton and can be used to distinguish between models.
Boettcher Markus
Chiang James
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