Solar Radio Radiation Bursts on 1998 April 15

Details Solar Radio Radiation Bursts on 1998 April 15 Solar Radio Radiation Bursts on 1998 April 15

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000pasj...52..919n&link_type=abstract

Publications of the Astronomical Society of Japan, v.52, p.919-924.

Astronomy and Astrophysics

Astronomy

6

Sun: Fine Stucture, Sun: Radio Radiation, Sun: Type Iv, Dcim Bursts

Scientific paper

We present two remarkable ``decimetric pulsation'' events (DCIM) around the time 1998 0415 0800, detected by spectrometers (1.00-2.00 GHz and 2.60-3.80 GHz) at Beijing Astronomical Observatory (BAO). High-resolution dynamic spectra reveal various fine structures, such as spike groups, pulsations, type-III bursts, patches, and zebra patterns or evolving emission lines on the rising phase of the second DCIM around 3 GHz. It is the first time that such a wealth of fine features have been detected in a same type IV-DCIM event; it is also the first time that blips pairs simultaneously drifting towards the same frequency have been recorded; it is the second time to observe an evolving emission line, and the first above 1 GHz.

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