UV spectroscopy of Z Chamaeleontis. II - The 1988 January normal outburst

Details UV spectroscopy of Z Chamaeleontis. II - The 1988 January normal outburst UV spectroscopy of Z Chamaeleontis. II - The 1988 January normal outburst

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992mnras.259..593h&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 259, no. 4, p. 593-603.

Astronomy and Astrophysics

Astronomy

11

Binary Stars, Cataclysmic Variables, Light Curve, Stellar Spectra, Ultraviolet Spectroscopy, Infrared Astronomy, Iue, Ultraviolet Astronomy

Scientific paper

IUE observations taken during the 1988 January normal outburst of Z Cha are presented and a detailed comparison with the 1987 April superoutburst is made. The most important difference from the superoutburst is that the normal outburst continuum flux shows less than 10 percent orbital variation away from the eclipse, implying that there is no 'cool' bulge on the disk to occult the brighter inner disk periodically. The implications for the outburst mechanism in the types of outburst are discussed. The evolution of the continuum flux distribution and emission-line fluxes, the modulation of the continuum and line fluxes with orbital phase, and the behavior of the mideclipse spectral during normal outburst are investigated.

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