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On The Source of Optical Variability and Outflow in Z CMa System

UNCG Author/Contributor (non-UNCG co-authors, if there are any, appear on document)
Anatoly S. Miroshnichenko, Assistant Professor (Creator)
Institution
The University of North Carolina at Greensboro (UNCG )
Web Site: http://library.uncg.edu/

Abstract: We discuss our new (Teodorani et al. 1997) and already published photometric and spectroscopic data regarding the binary system Z CMa and conclude that these data, in contrast to wide spread opinion, do not contradict the hypotesis that a FU On type secondary rather than the IR primary is the main source of the observed optical variations and outflow. In the frame of this hypothesis, we explain observed larger polarization in the emission lines than in the continuum as a result of Thomson scattering of line quanta inside the region of their formation.

Additional Information

Publication
Astronomy Reports, 42, 630-637.
Language: English
Date: 1998
Keywords
Z CMa, Optical variability, Outflow