Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010acasn..51..341z&link_type=abstract
Acta Astronomica Sinica, vol. 51, no. 4, p. 341-347
Astronomy and Astrophysics
Astronomy
Galaxies: Active, Quasars: Individual: 3C 279, Radiation Mechanisms: Non-Thermal
Scientific paper
The absorption effect on the non-thermal spectrum of 3C 279 in a jet model is considered in this paper. Based on a simple synchrotron self-Compton (SSC) model, it is assumed that a blob of radiation region in the jet is partly kept out by a cooled blob in this jet, and then the emission from the radiation region can be absorbed. This leads to the change of the spectral energy distribution. Our calculation indicates that there is a strong absorption in X-ray band, and the absorbed energy will be emitted in the form of emission lines in ultraviolet and soft X-ray bands. We reproduce the multi-band spectra of 3C 279 by using such a model and give a brief discussion.
Zhang Lianchang
Zhou Xian-Rong
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