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A Model for RX Puppis
Published online by Cambridge University Press: 12 April 2016
Extract
The dust-rich (D-type) symbiotic stars appear always to comprise a mira variable and a star of temperature ∼ 105 K which ionizes the mira’s circumstellar envelope. On timescales of decades they change little, save for the slow pulsation of the mira at infrared wavelengths. RX Puppis is a striking exception to this generalization, however, since it undergoes extraordinary changes.
RX Pup drifts between two extremes, exhibiting intermediate states. Table I summarises the known characteristics in the extreme states. Because of its variability, models of RX Pup are more highly constrained, giving us a chance to understand one of the D-type symbiotics.
Optical spectra of RX Pup from the Anglo-Australian Telescope. Tie breadth of the lines in 1976 may be due to lower spectral resolution.
- Type
- Session 3. Physics of Individual Objects
- Information
- International Astronomical Union Colloquium , Volume 103: The Symbiotic Phenomenon , 1988 , pp. 249 - 250
- Copyright
- Copyright © Kluwer 1988