Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994jgr....9914729z&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 99, no. A8, p. 14,729-14,735
Astronomy and Astrophysics
Astronomy
14
Astronomical Models, Heliosphere, Plasma Waves, Radio Emission, Shock Waves, Stopping, Cosmic Rays, Gas Dynamics, Interplanetary Medium, Lyman Alpha Radiation, Radiation Effects
Scientific paper
With the Voyager spacecrafts' discovery of low-frequency radio emissions from the depths of the outer heliosphere has come the realization that the boundaries between our heliosphere and the local interstellar medium have been detected. A model is presented here that can account for the observed radio emissions, based upon a termination shock modified by the dynamical effect of galactic and anomalous cosmic rays. Frequency and time domain properties of both continuum and transient radio events are explained, and new estimates for the distance to the termination shock (approximately 60-70 astronomical units) and the heliopause (less than or approximately 90 AU) are given.
Cairns Iver H.
Donohue D. J.
Matthaeus William H.
Zank Gary P.
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