A long overdue synthesis image of Centaurus A

Details A long overdue synthesis image of Centaurus A A long overdue synthesis image of Centaurus A

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atnf.prop.1027f&link_type=abstract

ATNF proposal C1624, Semester: October, 2007

Computer Science

Extragalactic, Atca

Scientific paper

Time is requested in both the 750B and 750C array configurations to continue the C1624 program to image (mosaic) the radio lobes of Centaurus A. This will be the first full synthesis image ever produced of our closest radio galaxy; to date high-resolution images only exist for the inner ~1% of the radio galaxy. We already have hugely promising results from observations made with the 750A and 750D array configurations, during 2006OCTS. The structure of the giant radio lobes is detected in astonishing detail, and of order 150 polarised point sources are also detected in the field with high signal-to-noise (>10). However, with only two array configurations, the images are still dominated by errors due to missing spacings. Therefore, observations using the two complimentary 750m configurations (750B+750C) are requested in the coming 2007OCTS to fill the uv-plane and vastly improve the resultant image fidelity. The final dataset (containing all four 750m configurations) will then be combined with single dish (Parkes) data to form the final images.

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