Fiber Bursts in Solar Flares at High Time and Frequency Resolution

Details Fiber Bursts in Solar Flares at High Time and Frequency Resolution Fiber Bursts in Solar Flares at High Time and Frequency Resolution

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.6806w&link_type=abstract

American Astronomical Society Meeting 210, #68.06; Bulletin of the American Astronomical Society, Vol. 39, p.176

Astronomy and Astrophysics

Astronomy

Scientific paper

The FASR Subsystem Testbed (FST), operating on three dishes of the Owens Valley Solar Array, detected radio fiber bursts in two large solar flares in 2006. The frequencies of observation correspond to densities of order 10 to the 10 per cc, so the bursts are being emitted low in the corona, presumably near the energy release region. The fiber bursts drift in frequency with time, and appear to be travelling outwards. In one model, fiber bursts can be used to infer the magnetic field in the corona in the emission site. The FST data provide radio spectra of the bursts with a time resolution of milliseconds: using this exceptional data, we present the properties of the bursts and discuss their physical interpretation.

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