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LOFAR Capabilities and Early Results

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Over the past 5 years, Astron has built the largest radio telescope in the world, the low frequency array LOFAR . The telescope is located in north-western Europe and operates at frequencies from 10-90 MHz and from 110-240 MHz. The instrument entered phase 0 science operations in December 2012. It is unique because it is using aperture array antenna stations instead of parabolic dishes. Low frequency aperture arrays are a dirt cheap, very stable, and well-calibratable technology for the SKA . In this seminar, we cover important design decisions, some fundamental concepts in aperture array interferometry, as well as early results that illustrate the excellent sensitivity and calibratability of the array.

This talk is part of the Cavendish Astrophysics Seminars series.

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