BI Crucis - A new symbiotic star

Details BI Crucis - A new symbiotic star BI Crucis - A new symbiotic star

Aug 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980pasp...92..479h&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 92, Aug.-Sept. 1980, p. 479-483.

Astronomy and Astrophysics

Astronomy

10

Binary Stars, Line Spectra, Stellar Spectra, Variable Stars, Absorption Spectra, Emission Spectra, Helium, Iron, M Stars, Nitrogen

Scientific paper

A Mount Stromlo spectrogram of BI Cru taken in 1962 shows emission lines of H I, He I, He II, Fe II, N III, and the forbidden O III, forbidden Ne III, and forbidden S II transitions superposed on a weak bluish continuum. A spectrogram by Allen in 1974 shows emission lines of H I and Fe II and possibly weak He I, forbidden Fe II, and forbidden O I lines superposed on an M-star absorption spectrum. The object is evidently a symbiotic star showing large variations in its spectral character. Significant differences exist in the mean ion velocities and appear to be correlated with ionization potential.

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