Terrestrial Myriametric Radio Burst Observed by IMAGE and Geotail Satellites

Details Terrestrial Myriametric Radio Burst Observed by IMAGE and Geotail Satellites Terrestrial Myriametric Radio Burst Observed by IMAGE and Geotail Satellites

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsm11b1734f&link_type=abstract

American Geophysical Union, Fall Meeting 2010, abstract #SM11B-1734

Physics

Plasma Physics

[2768] Magnetospheric Physics / Plasmasphere, [2772] Magnetospheric Physics / Plasma Waves And Instabilities, [6939] Radio Science / Magnetospheric Physics, [7847] Space Plasma Physics / Radiation Processes

Scientific paper

Myriametric radio emissions (with wavelengths of 10-100 km) from Earth's magnetosphere have been known to take on different forms. Most notable forms include the classical non-thermal continuum (NTC) with both escaping and trapped components, continuum enhancement (CE), and auroral myriametric radiation (AMR). Continuum radiation emanating from plasmaspheric notches at the magnetic equator can sometimes extend to higher frequencies (up to ~ 800 kHz) to form the so-called kilometric continuum (KC) radiation. CE has also been known to appear as low-frequency bursts associated with substorm particle injections. This paper presents the simultaneous IMAGE and Geotail observations of a burst of terrestrial myriametric radiation (TMRB) at 8:30-9:30 UT on August 19, 2001 (see attached figures below). The widely separated satellite observations at 10-40 kHz suggest that the TMRB was a temporal feature. We will compare the TMRB observations to the characteristics of other known TMR components to determine if the TMRB may be consistent with any of the known TMR. IMAGE RPI Spectrogram on 8/19/2001 showing TMRB (10-40 kHz) at 8:30-9:30 UT.
Geotail Spectrogram on 8/19/2001 showing TMRB (10-40 kHz) at 8:30-9:30 UT.

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