A spectroscopic study of WZ Sagittae during the 1978 outburst

Details A spectroscopic study of WZ Sagittae during the 1978 outburst A spectroscopic study of WZ Sagittae during the 1978 outburst

Feb 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...236l..29b&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 236, Feb. 15, 1980, p. L29-L31. Research supported by the Israel Com

Astronomy and Astrophysics

Astrophysics

7

Astronomical Spectroscopy, Novae, Sagittarius Constellation, Stellar Radiation, Balmer Series, Emission Spectra, H Alpha Line, H Beta Line, Spectrograms

Scientific paper

The recurrent nova WZ Sge was observed spectroscopically during the first week after the discovery of its recent outburst in 1978 December. The spectrograms show H-alpha, H-beta, and features around 4686 and 4640 in emission. Higher Balmer lines up to H8 are seen in absorption. The lines H-alpha and H-beta have a double-component structure, as they do in the pre-outburst spectrum. The peak-to-peak separation between the components is, however, 500 km/s as compared to 1400 km/s in the quiet nova. The possible interpretations of the double-structure emission spectrum are briefly discussed.

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