Techniques of Radio Astronomy
by T. L. Wilson
Publisher: arXiv 2011
Number of pages: 47
This text provides an overview of the techniques of radio astronomy. It contains a short history of the development of the field, details of calibration procedures, coherent/heterodyne and incoherent/bolometer receiver systems, observing methods for single apertures and interferometers, and an overview of aperture synthesis.
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Investigations of the heating of the corona and the acceleration of the solar wind are two of the prime scientific goals in studying the solar upper atmosphere with the Solar and Heliospheric Observatory (SOHO) of ESA and NASA.
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Sky surveys represent a fundamental data basis for astronomy. We use them to map in a systematic way the universe and its constituents. We review the subject, with an emphasis on the wide-field imaging surveys, placing them in a broader context.