Astronomy and Astrophysics – Astronomy
Scientific paper
May 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aipc..254..443s&link_type=abstract
In: Testing the AGN paradigm; Proceedings of the 2nd Annual Topical Astrophysics Conference, Univ. of Maryland, College Park, Oc
Astronomy and Astrophysics
Astronomy
Optical Reflection, Quasars, Radio Jets (Astronomy), Synchrotron Radiation, Very Long Base Interferometry, Line Of Sight, Magnetohydrodynamic Flow, Spectral Bands
Scientific paper
The nearby bright quasar 3C 273 has an extended multi-band jet whose spatial pattern of intensity differs strongly from band to band. We propose that only the radio power of the jet is accounted for by the usual synchrotron model. All the higher-energy photons seen are instead secondary, 'misdirected' photons from the bright quasar core scattered our way by material within the jet. This model gives a good account of form, spectrum, polarization and intensity pattern along the jet in all the higher bands. Thomson scattering fits all these bands well. Ordinary hydrogen plasma demands uncomfortably high scattering mass, however. A thousandfold reduction in mass is secured if the scattering material, though not the main flow, is an electron-positron plasma.
Morrison Philip
Sadun Alberto C.
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