Spectral transformation of the unusual variable star MWC560 to resemble a nova

Details Spectral transformation of the unusual variable star MWC560 to resemble a nova Spectral transformation of the unusual variable star MWC560 to resemble a nova

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991natur.350..404m&link_type=abstract

Nature (ISSN 0028-0836), vol. 350, April 4, 1991, p. 404-406.

Astronomy and Astrophysics

Astronomy

12

Binary Stars, Stellar Spectra, Ultraviolet Radiation, Variable Stars, Absorption Spectra, Astronomical Photometry, Iue, Spectral Line Width

Scientific paper

A dramatic change has occurred in the ultraviolet spectrum of the emission-line star MWC560, so that it now closely resembles the spectrum of a nova shortly after outburst. This event may signal a major mass-ejection episode such as presumably occurred in past centuries in the symbiotic star R Aquarii to produce the well-known bipolar nebula, and it may herald the emergence of a standard symbiotic-star emission-line spectrum in MWC560, corresponding to a change in evolutionary state.

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