The spectrum of HM Sagittae: A planetary nebula excited by a Wolf-Rayet star

Details The spectrum of HM Sagittae: A planetary nebula excited by a Wolf-Rayet star The spectrum of HM Sagittae: A planetary nebula excited by a Wolf-Rayet star

Oct 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977stin...7810989b&link_type=abstract

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Physics

Planetary Nebulae, Sagittarius Constellation, Stellar Spectra, Wolf-Rayet Stars, Spectral Line Width, Spectrograms, Spectrum Analysis

Scientific paper

A total of image tube spectrograms of HM Sagittae were obtained. More than 70 emission lines, including several broad emission features, were identified. An analysis of the spectra indicates that HM Sagittae is a planetary nebula excited by a Wolf-Rayet star. The most conspicuous Wolf-Rayet feature is that attributed to a blend of C III at 4650 A and He II at 4686 A.

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