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Multiwavelength study of Cygnus A II. X-ray inverse-Compton emission from a relic counterjet and implications for jet duty-cycles

Abstract:

The duty-cycle of powerful radio galaxies and quasars such as the prototype Cygnus A is poorly understood. X-ray observations of inverse-Compton scattered Cosmic Microwave Background (ICCMB) photons probe lower Lorentz-factor particles than radio observations of synchrotron emission. Comparative studies of the nearer and further lobes, separated by many 10s of kpc and thus 10s of thousands of years in light-travel time, yield additional temporal resolution in studies of the lifecycles. We hav...

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Publication status:
Published

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Authors


Steenbrugge, KC More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
388
Issue:
4
Pages:
1465-1472
Publication date:
2008-05-14
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:602941ba-0aae-4afb-ab44-41549a11058d
Source identifiers:
11173
Local pid:
pubs:11173
Language:
English
Keywords:

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