Ionization and clumping structure of the wind of P Cygni

Details Ionization and clumping structure of the wind of P Cygni Ionization and clumping structure of the wind of P Cygni

Jun 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aspc..233..275n&link_type=abstract

P Cygni 2000: 400 Years of Progress, ASP Conference Proceeding Vol. 233, Edited by M. de Groot and C. Sterken, San Francisco: As

Astronomy and Astrophysics

Astronomy

Scientific paper

Variable radio-emission power of P Cygni is caused by the variation of the ionization fraction in the wind. We studied the dependence of the ionization structure on variable strength of the diffuse Lc radiation in the outer wind. Shell ejections and the interaction with the ambient wind lead to the inhomogeneous density structure and to shocks in the outer wind. The clumping-corrected mass-loss rate of P Cygni is 1.5-2 10-5 Mo/yr.

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