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- Title
A Non-Mainstream Viewpoint on Apparent Superluminal Phenomena in AGN Jet.
- Authors
Liu, Wen-Po; Liu, Li-Yan; Wang, Chun-Cheng
- Abstract
The group velocity of light in material around the AGN jet is acquiescently one (c as a unit), but this is only a hypothesis. Here, we re-derive apparent superluminal and Doppler formulas for the general case (it is assumed that the group velocity of light in the uniform and isotropic medium around a jet (a beaming model) is not necessarily equal to one, e.g., Araudo et al. (2010) thought that there may be dense clouds around AGN jet base), and show that the group velocity of light close to one could seriously affect apparent superluminal phenomena and Doppler effect in the AGN jet (when the viewing angle and Lorentz factor take some appropriate values).
- Subjects
SUPERLUMINAL effect; DOPPLER effect; MATHEMATICAL formulas; SPEED of light; ASTROPHYSICS
- Publication
Journal of Astrophysics & Astronomy, 2014, Vol 35, Issue 3, p325
- ISSN
0250-6335
- Publication type
Article
- DOI
10.1007/s12036-014-9222-z