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Jet evolution, flux ratios and light-travel time effects

Abstract:

Studies of the knotty jets in both quasars and microquasars frequently make use of the ratio of the intensities of corresponding knots on opposite sides of the nucleus in order to infer the product of the intrinsic jet speed (beta) and the cosine of the inclination angle of the jet-axis (cos{theta}), via the formalism I_{a}/I_{r} = ((1+beta cos{theta})/(1-beta cos{theta}))^{3+alpha}, where alpha relates the intensity I_{nu} as a function of frequency nu as I_{nu} propto nu^{-alpha}. Where be...

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Publication status:
Published

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Publisher copy:
10.1086/382954

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
Publisher:
Institute of Physics Publishing
Journal:
Astrophys.J. More from this journal
Volume:
603
Issue:
1
Pages:
L21-L24
Publication date:
2004-01-07
DOI:
EISSN:
1538-4357
ISSN:
0004-637X
Language:
English
Keywords:
Pubs id:
pubs:15149
UUID:
uuid:63f1c367-7a77-4d13-a897-386b7f4fba0c
Local pid:
pubs:15149
Source identifiers:
15149
Deposit date:
2012-12-19

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