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NAM2012 - All Presentation Details

Record 314 of 756

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LOFAR Imaging of Cygnus A

Author: John McKean

ASTRON

Co-Authors: the LOFAR collaboration

Session: INS4: LOFAR, the LOw Frequency ARray: Ongoing Developments and Early Results

Presentation type: Talk      00:00  Poster Session B 

Summary:

The nearby radio galaxy Cygnus A is the brightest source in the low frequency sky that will be observed with LOFAR. Therefore, Cygnus A provides an excellent commissioning target to test the LOFAR system and also to produce the first science results. I will present new imaging of Cygnus A with LOFAR between 30 and 240 MHz, with baselines of up to ~100 km. These data provide the highest angular resolution images of Cygnus A at low frequencies to date. I will present a preliminary spectral analysis of the source, including the properties of the lobes, hot-spots and their interaction with the intergalactic medium surrounding the galaxy.

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