Catalogue of the 1997 SOHO-EIT coronal transient waves and associated type II radio burst spectra

Details Catalogue of the 1997 SOHO-EIT coronal transient waves and associated type II radio burst spectra Catalogue of the 1997 SOHO-EIT coronal transient waves and associated type II radio burst spectra

Feb 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000a%26as..141..357k&link_type=abstract

Astronomy and Astrophysics Supplement, v.141, p.357-369

Astronomy and Astrophysics

Astrophysics

115

Sun: Corona, Flares, Radio Radiation, Shock Waves

Scientific paper

We compare the coronal transient wave phenomenon discovered by SOHO extreme ultraviolet observations (``EIT waves'') with the associated radio signature of a coronal shock wave (type II burst). 90% of the type II bursts are associated with an EIT wave. On average, the speed derived from the radio burst is about three times larger than the EIT wave speed. Within the sample, there is no correlation between the speeds of both tracers of a coronal disturbance. Under very general assumptions we conclude that both wave phenomena can be different signatures of the same fast magnetosonic disturbance.

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