Toruń Centre for Astronomy
Nicolaus Copernicus University

Wolf-Rayet features observed in the spectrum of the symbiotic nova PU Vulpeculae

Tomov T., Zamanov R., Iliev L., Mikolajewski M., Georgiev L.
1991

Observations from July 1990 to January 1991 show a strong Balmer continuum and Balmer emission lines in the spectrum of PU Vul. The presence of Wolf-Rayet features in the spectrum corresponding to those of a star of spectral class WN8 is noted. At the end of December 1990 and the beginning of January 1991 changes in the profiles of the H I lines and an increase of the emissions of He I and nebular lines Ne III and O III are observed.

Keywords
Novae, Stellar Physics, Stellar Spectra, Symbiotic Stars, Wolf-Rayet Stars, Balmer Series, Emission Spectra, Radial Velocity, Stellar Spectrophotometry