Ultraviolet observations of WZ Sagittae in outburst

Details Ultraviolet observations of WZ Sagittae in outburst Ultraviolet observations of WZ Sagittae in outburst

May 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.191..457f&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 191, May 1980, p. 457-468. Research supported by the Radcliffe Trust.

Astronomy and Astrophysics

Astronomy

23

Novae, Stellar Radiation, Stellar Spectra, Ultraviolet Astronomy, Emission Spectra, High Resolution, Iue, Light Curve, Line Spectra, Optical Thickness, Stellar Mass Accretion, Stellar Spectrophotometry

Scientific paper

The paper describes low and high-resolution UV spectroscopic observations of the recurrent nova WZ Sge obtained during its December 1978 outburst. The observations were made during outburst with the IUE satellite. Low-resolution images obtained on December 14 and 24 are discussed. The continuum on both days may be fitted by a power law or an optically thick accretion disk spectrum. Spectral features due to C IV, N V, Si IV, Si II, O I, C II and possibly He II are identified in the low-resolution data. The few high-resolution images confirm the features found at low resolution and cover a wider time span. The distance to WZ Sge is estimated to be of the order of 100 pc.

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