Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999pasa...16..139n&link_type=abstract
Publications Astronomical Society of Australia, vol. 16, no. 2, p. 139-146
Astronomy and Astrophysics
Astronomy
V471 Tauri, Magnetic Fields, Close Binaries, Nonthermal Radiation
Scientific paper
Numerical modelling (Nicholls and Storey 1998) suggests that the eclipse of a wedge of enhanced number density of mildly relativistic electrons is responsible for the variations in quiescent radio emission of the binary system, V471 Tauri. In the model, the wedge of enhanced density is created by electrons accelerated in the interaction region of the magnetospheres of the two stars, which subsequently drift in azimuth while emitting gyrosynchrotron emission. We present here an analytic approximation to the opening angle of the wedge of enhanced density and show that it is consistent with the opening angle derived from numerical modelling for reasonable values of the input parameters.
Nicholls Jim
Storey Michelle C.
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