Astronomy and Astrophysics – Astronomy
Scientific paper
May 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...194.7705d&link_type=abstract
American Astronomical Society, 194th AAS Meeting, #77.05; Bulletin of the American Astronomical Society, Vol. 31, p.960
Astronomy and Astrophysics
Astronomy
Scientific paper
The Solar Radio Burst Locator (SRBL) is a new ground-based instrument used to record the spectra of microwave bursts and to locate their positions on the solar disk. It was designed at Caltech by Gordon Hurford and will be deployed at several sites around the world in time for MAX-2000 as part of the US Air Force's Solar Electro-Optical Network (SEON). It employs a single, automated, six-foot dish and a broad-band receiving element typically observing 105 selectable frequencies from one to 18 GHz every five seconds. Additional data is taken at 245, 410, and 610 MHz. The antenna points at Sun center, and off-center burst locations are determined from the amplitude and phase of modulation of the frequency-scanned signal. For bursts greater than 500 sfu, we have obtained positions with an accuracy of less than 5 arc min and hope to improve this. The positional information is to be used in space-weather forecasting, and the spectral data will be a powerful resource for analysis of burst evolution, electron energy distribution, and for comparisons with X-ray and particle observations. Combined with HESSI results, it should yield information on flare magnetic fields. The database, with continuous all-weather coverage, will be available on the Web. We will present data on several events already observed during prototype testing.
Dougherty Brian L.
Hurford Gordon
Sammis Ian
Zirin Harold
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